^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (C) 2017-2018 Netronome Systems, Inc. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #define _GNU_SOURCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <signal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <net/if.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <sys/ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <sys/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <sys/syscall.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/perf_event.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/sizes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <bpf/bpf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <bpf/btf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <bpf/libbpf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include "cfg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include "main.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include "xlated_dumper.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define BPF_METADATA_PREFIX "bpf_metadata_"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define BPF_METADATA_PREFIX_LEN (sizeof(BPF_METADATA_PREFIX) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) const char * const prog_type_name[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) [BPF_PROG_TYPE_UNSPEC] = "unspec",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) [BPF_PROG_TYPE_SOCKET_FILTER] = "socket_filter",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) [BPF_PROG_TYPE_KPROBE] = "kprobe",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) [BPF_PROG_TYPE_SCHED_CLS] = "sched_cls",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) [BPF_PROG_TYPE_SCHED_ACT] = "sched_act",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) [BPF_PROG_TYPE_TRACEPOINT] = "tracepoint",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) [BPF_PROG_TYPE_XDP] = "xdp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) [BPF_PROG_TYPE_PERF_EVENT] = "perf_event",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) [BPF_PROG_TYPE_CGROUP_SKB] = "cgroup_skb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) [BPF_PROG_TYPE_CGROUP_SOCK] = "cgroup_sock",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) [BPF_PROG_TYPE_LWT_IN] = "lwt_in",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) [BPF_PROG_TYPE_LWT_OUT] = "lwt_out",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) [BPF_PROG_TYPE_LWT_XMIT] = "lwt_xmit",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) [BPF_PROG_TYPE_SOCK_OPS] = "sock_ops",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) [BPF_PROG_TYPE_SK_SKB] = "sk_skb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) [BPF_PROG_TYPE_CGROUP_DEVICE] = "cgroup_device",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) [BPF_PROG_TYPE_SK_MSG] = "sk_msg",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) [BPF_PROG_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) [BPF_PROG_TYPE_CGROUP_SOCK_ADDR] = "cgroup_sock_addr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) [BPF_PROG_TYPE_LWT_SEG6LOCAL] = "lwt_seg6local",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) [BPF_PROG_TYPE_LIRC_MODE2] = "lirc_mode2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) [BPF_PROG_TYPE_SK_REUSEPORT] = "sk_reuseport",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) [BPF_PROG_TYPE_FLOW_DISSECTOR] = "flow_dissector",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) [BPF_PROG_TYPE_CGROUP_SYSCTL] = "cgroup_sysctl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) [BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE] = "raw_tracepoint_writable",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) [BPF_PROG_TYPE_CGROUP_SOCKOPT] = "cgroup_sockopt",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) [BPF_PROG_TYPE_TRACING] = "tracing",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) [BPF_PROG_TYPE_STRUCT_OPS] = "struct_ops",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) [BPF_PROG_TYPE_EXT] = "ext",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) [BPF_PROG_TYPE_LSM] = "lsm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) [BPF_PROG_TYPE_SK_LOOKUP] = "sk_lookup",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) const size_t prog_type_name_size = ARRAY_SIZE(prog_type_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) enum dump_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) DUMP_JITED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) DUMP_XLATED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static const char * const attach_type_strings[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) [BPF_SK_SKB_STREAM_PARSER] = "stream_parser",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) [BPF_SK_SKB_STREAM_VERDICT] = "stream_verdict",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) [BPF_SK_MSG_VERDICT] = "msg_verdict",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) [BPF_FLOW_DISSECTOR] = "flow_dissector",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) [__MAX_BPF_ATTACH_TYPE] = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static enum bpf_attach_type parse_attach_type(const char *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) enum bpf_attach_type type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (attach_type_strings[type] &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) is_prefix(str, attach_type_strings[type]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return __MAX_BPF_ATTACH_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static void print_boot_time(__u64 nsecs, char *buf, unsigned int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct timespec real_time_ts, boot_time_ts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) time_t wallclock_secs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct tm load_tm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) buf[--size] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (clock_gettime(CLOCK_REALTIME, &real_time_ts) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) clock_gettime(CLOCK_BOOTTIME, &boot_time_ts)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) perror("Can't read clocks");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) snprintf(buf, size, "%llu", nsecs / 1000000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) wallclock_secs = (real_time_ts.tv_sec - boot_time_ts.tv_sec) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) (real_time_ts.tv_nsec - boot_time_ts.tv_nsec + nsecs) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 1000000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (!localtime_r(&wallclock_secs, &load_tm)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) snprintf(buf, size, "%llu", nsecs / 1000000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) strftime(buf, size, "%s", &load_tm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) strftime(buf, size, "%FT%T%z", &load_tm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static void show_prog_maps(int fd, __u32 num_maps)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct bpf_prog_info info = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) __u32 len = sizeof(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) __u32 map_ids[num_maps];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) info.nr_map_ids = num_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) info.map_ids = ptr_to_u64(map_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) err = bpf_obj_get_info_by_fd(fd, &info, &len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (err || !info.nr_map_ids)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (json_output) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) jsonw_name(json_wtr, "map_ids");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) jsonw_start_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) for (i = 0; i < info.nr_map_ids; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) jsonw_uint(json_wtr, map_ids[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) jsonw_end_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) printf(" map_ids ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) for (i = 0; i < info.nr_map_ids; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) printf("%u%s", map_ids[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) i == info.nr_map_ids - 1 ? "" : ",");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static void *find_metadata(int prog_fd, struct bpf_map_info *map_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) struct bpf_prog_info prog_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) __u32 prog_info_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) __u32 map_info_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) void *value = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) __u32 *map_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int nr_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int key = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int map_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) __u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) memset(&prog_info, 0, sizeof(prog_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) prog_info_len = sizeof(prog_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) ret = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &prog_info_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (!prog_info.nr_map_ids)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) map_ids = calloc(prog_info.nr_map_ids, sizeof(__u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (!map_ids)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) nr_maps = prog_info.nr_map_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) memset(&prog_info, 0, sizeof(prog_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) prog_info.nr_map_ids = nr_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) prog_info.map_ids = ptr_to_u64(map_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) prog_info_len = sizeof(prog_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) ret = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &prog_info_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) goto free_map_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) for (i = 0; i < prog_info.nr_map_ids; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) map_fd = bpf_map_get_fd_by_id(map_ids[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (map_fd < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) goto free_map_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) memset(map_info, 0, sizeof(*map_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) map_info_len = sizeof(*map_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) ret = bpf_obj_get_info_by_fd(map_fd, map_info, &map_info_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) close(map_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) goto free_map_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if (map_info->type != BPF_MAP_TYPE_ARRAY ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) map_info->key_size != sizeof(int) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) map_info->max_entries != 1 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) !map_info->btf_value_type_id ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) !strstr(map_info->name, ".rodata")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) close(map_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) value = malloc(map_info->value_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (!value) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) close(map_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) goto free_map_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (bpf_map_lookup_elem(map_fd, &key, value)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) close(map_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) free(value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) value = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) goto free_map_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) close(map_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) free_map_ids:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) free(map_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) static bool has_metadata_prefix(const char *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return strncmp(s, BPF_METADATA_PREFIX, BPF_METADATA_PREFIX_LEN) == 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static void show_prog_metadata(int fd, __u32 num_maps)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) const struct btf_type *t_datasec, *t_var;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) struct bpf_map_info map_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct btf_var_secinfo *vsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) bool printed_header = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) struct btf *btf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) unsigned int i, vlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) void *value = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (!num_maps)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) memset(&map_info, 0, sizeof(map_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) value = find_metadata(fd, &map_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (!value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) err = btf__get_from_id(map_info.btf_id, &btf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) if (err || !btf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) t_datasec = btf__type_by_id(btf, map_info.btf_value_type_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (!btf_is_datasec(t_datasec))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) vlen = btf_vlen(t_datasec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) vsi = btf_var_secinfos(t_datasec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* We don't proceed to check the kinds of the elements of the DATASEC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * The verifier enforces them to be BTF_KIND_VAR.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (json_output) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) struct btf_dumper d = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) .btf = btf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .jw = json_wtr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .is_plain_text = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) for (i = 0; i < vlen; i++, vsi++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) t_var = btf__type_by_id(btf, vsi->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) name = btf__name_by_offset(btf, t_var->name_off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) if (!has_metadata_prefix(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (!printed_header) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) jsonw_name(json_wtr, "metadata");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) jsonw_start_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) printed_header = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) jsonw_name(json_wtr, name + BPF_METADATA_PREFIX_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) err = btf_dumper_type(&d, t_var->type, value + vsi->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) p_err("btf dump failed: %d", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) if (printed_header)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) jsonw_end_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) json_writer_t *btf_wtr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct btf_dumper d = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) .btf = btf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) .is_plain_text = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) for (i = 0; i < vlen; i++, vsi++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) t_var = btf__type_by_id(btf, vsi->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) name = btf__name_by_offset(btf, t_var->name_off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (!has_metadata_prefix(name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (!printed_header) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) printf("\tmetadata:");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) btf_wtr = jsonw_new(stdout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) if (!btf_wtr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) p_err("jsonw alloc failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) d.jw = btf_wtr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) printed_header = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) printf("\n\t\t%s = ", name + BPF_METADATA_PREFIX_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) jsonw_reset(btf_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) err = btf_dumper_type(&d, t_var->type, value + vsi->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) p_err("btf dump failed: %d", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (printed_header)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) jsonw_destroy(&btf_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) btf__free(btf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) free(value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) static void print_prog_header_json(struct bpf_prog_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) jsonw_uint_field(json_wtr, "id", info->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (info->type < ARRAY_SIZE(prog_type_name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) jsonw_string_field(json_wtr, "type",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) prog_type_name[info->type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) jsonw_uint_field(json_wtr, "type", info->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (*info->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) jsonw_string_field(json_wtr, "name", info->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) jsonw_name(json_wtr, "tag");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) jsonw_printf(json_wtr, "\"" BPF_TAG_FMT "\"",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) info->tag[0], info->tag[1], info->tag[2], info->tag[3],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) info->tag[4], info->tag[5], info->tag[6], info->tag[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) jsonw_bool_field(json_wtr, "gpl_compatible", info->gpl_compatible);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (info->run_time_ns) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) jsonw_uint_field(json_wtr, "run_time_ns", info->run_time_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) jsonw_uint_field(json_wtr, "run_cnt", info->run_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) static void print_prog_json(struct bpf_prog_info *info, int fd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) char *memlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) jsonw_start_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) print_prog_header_json(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) print_dev_json(info->ifindex, info->netns_dev, info->netns_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (info->load_time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) char buf[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) print_boot_time(info->load_time, buf, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) /* Piggy back on load_time, since 0 uid is a valid one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) jsonw_name(json_wtr, "loaded_at");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) jsonw_printf(json_wtr, "%s", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) jsonw_uint_field(json_wtr, "uid", info->created_by_uid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) jsonw_uint_field(json_wtr, "bytes_xlated", info->xlated_prog_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (info->jited_prog_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) jsonw_bool_field(json_wtr, "jited", true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) jsonw_uint_field(json_wtr, "bytes_jited", info->jited_prog_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) jsonw_bool_field(json_wtr, "jited", false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) memlock = get_fdinfo(fd, "memlock");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) if (memlock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) jsonw_int_field(json_wtr, "bytes_memlock", atoi(memlock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) free(memlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) if (info->nr_map_ids)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) show_prog_maps(fd, info->nr_map_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) if (info->btf_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) jsonw_int_field(json_wtr, "btf_id", info->btf_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) if (!hash_empty(prog_table.table)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) struct pinned_obj *obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) jsonw_name(json_wtr, "pinned");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) jsonw_start_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) hash_for_each_possible(prog_table.table, obj, hash, info->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) if (obj->id == info->id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) jsonw_string(json_wtr, obj->path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) jsonw_end_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) emit_obj_refs_json(&refs_table, info->id, json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) show_prog_metadata(fd, info->nr_map_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) jsonw_end_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) static void print_prog_header_plain(struct bpf_prog_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) printf("%u: ", info->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) if (info->type < ARRAY_SIZE(prog_type_name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) printf("%s ", prog_type_name[info->type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) printf("type %u ", info->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) if (*info->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) printf("name %s ", info->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) printf("tag ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) fprint_hex(stdout, info->tag, BPF_TAG_SIZE, "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) print_dev_plain(info->ifindex, info->netns_dev, info->netns_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) printf("%s", info->gpl_compatible ? " gpl" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (info->run_time_ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) printf(" run_time_ns %lld run_cnt %lld",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) info->run_time_ns, info->run_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) static void print_prog_plain(struct bpf_prog_info *info, int fd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) char *memlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) print_prog_header_plain(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) if (info->load_time) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) char buf[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) print_boot_time(info->load_time, buf, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) /* Piggy back on load_time, since 0 uid is a valid one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) printf("\tloaded_at %s uid %u\n", buf, info->created_by_uid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) printf("\txlated %uB", info->xlated_prog_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) if (info->jited_prog_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) printf(" jited %uB", info->jited_prog_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) printf(" not jited");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) memlock = get_fdinfo(fd, "memlock");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) if (memlock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) printf(" memlock %sB", memlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) free(memlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (info->nr_map_ids)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) show_prog_maps(fd, info->nr_map_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (!hash_empty(prog_table.table)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) struct pinned_obj *obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) hash_for_each_possible(prog_table.table, obj, hash, info->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) if (obj->id == info->id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) printf("\n\tpinned %s", obj->path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) if (info->btf_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) printf("\n\tbtf_id %d", info->btf_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) emit_obj_refs_plain(&refs_table, info->id, "\n\tpids ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) show_prog_metadata(fd, info->nr_map_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) static int show_prog(int fd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) struct bpf_prog_info info = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) __u32 len = sizeof(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) err = bpf_obj_get_info_by_fd(fd, &info, &len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) p_err("can't get prog info: %s", strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) print_prog_json(&info, fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) print_prog_plain(&info, fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) static int do_show_subset(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) int *fds = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) int nb_fds, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) int err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) fds = malloc(sizeof(int));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (!fds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) p_err("mem alloc failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) nb_fds = prog_parse_fds(&argc, &argv, &fds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) if (nb_fds < 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) goto exit_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) if (json_output && nb_fds > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) jsonw_start_array(json_wtr); /* root array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) for (i = 0; i < nb_fds; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) err = show_prog(fds[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) for (; i < nb_fds; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) close(fds[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) close(fds[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) if (json_output && nb_fds > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) jsonw_end_array(json_wtr); /* root array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) exit_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) free(fds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) static int do_show(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) __u32 id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) int fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) if (show_pinned)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) build_pinned_obj_table(&prog_table, BPF_OBJ_PROG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) build_obj_refs_table(&refs_table, BPF_OBJ_PROG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) if (argc == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) return do_show_subset(argc, argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (argc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) return BAD_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) jsonw_start_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) while (true) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) err = bpf_prog_get_next_id(id, &id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) if (errno == ENOENT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) p_err("can't get next program: %s%s", strerror(errno),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) errno == EINVAL ? " -- kernel too old?" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) fd = bpf_prog_get_fd_by_id(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) if (fd < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) if (errno == ENOENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) p_err("can't get prog by id (%u): %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) id, strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) err = show_prog(fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) close(fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) jsonw_end_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) delete_obj_refs_table(&refs_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) prog_dump(struct bpf_prog_info *info, enum dump_mode mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) char *filepath, bool opcodes, bool visual, bool linum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) struct bpf_prog_linfo *prog_linfo = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) const char *disasm_opt = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) struct dump_data dd = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) void *func_info = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) struct btf *btf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) char func_sig[1024];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) unsigned char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) __u32 member_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) ssize_t n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) int fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) if (mode == DUMP_JITED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) if (info->jited_prog_len == 0 || !info->jited_prog_insns) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) p_info("no instructions returned");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) buf = u64_to_ptr(info->jited_prog_insns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) member_len = info->jited_prog_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) } else { /* DUMP_XLATED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) if (info->xlated_prog_len == 0 || !info->xlated_prog_insns) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) p_err("error retrieving insn dump: kernel.kptr_restrict set?");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) buf = u64_to_ptr(info->xlated_prog_insns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) member_len = info->xlated_prog_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) if (info->btf_id && btf__get_from_id(info->btf_id, &btf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) p_err("failed to get btf");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) func_info = u64_to_ptr(info->func_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) if (info->nr_line_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) prog_linfo = bpf_prog_linfo__new(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) if (!prog_linfo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) p_info("error in processing bpf_line_info. continue without it.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) if (filepath) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) fd = open(filepath, O_WRONLY | O_CREAT | O_TRUNC, 0600);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (fd < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) p_err("can't open file %s: %s", filepath,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) n = write(fd, buf, member_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) close(fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) if (n != (ssize_t)member_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) p_err("error writing output file: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) n < 0 ? strerror(errno) : "short write");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) jsonw_null(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) } else if (mode == DUMP_JITED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) const char *name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) if (info->ifindex) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) name = ifindex_to_bfd_params(info->ifindex,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) info->netns_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) info->netns_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) &disasm_opt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) if (info->nr_jited_func_lens && info->jited_func_lens) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) struct kernel_sym *sym = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) struct bpf_func_info *record;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) char sym_name[SYM_MAX_NAME];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) unsigned char *img = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) __u64 *ksyms = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) __u32 *lens;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) __u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) if (info->nr_jited_ksyms) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) kernel_syms_load(&dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) ksyms = u64_to_ptr(info->jited_ksyms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) jsonw_start_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) lens = u64_to_ptr(info->jited_func_lens);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) for (i = 0; i < info->nr_jited_func_lens; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) if (ksyms) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) sym = kernel_syms_search(&dd, ksyms[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) if (sym)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) sprintf(sym_name, "%s", sym->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) sprintf(sym_name, "0x%016llx", ksyms[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) strcpy(sym_name, "unknown");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) if (func_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) record = func_info + i * info->func_info_rec_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) btf_dumper_type_only(btf, record->type_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) func_sig,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) sizeof(func_sig));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) if (json_output) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) jsonw_start_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) if (func_info && func_sig[0] != '\0') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) jsonw_name(json_wtr, "proto");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) jsonw_string(json_wtr, func_sig);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) jsonw_name(json_wtr, "name");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) jsonw_string(json_wtr, sym_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) jsonw_name(json_wtr, "insns");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) if (func_info && func_sig[0] != '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) printf("%s:\n", func_sig);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) printf("%s:\n", sym_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) disasm_print_insn(img, lens[i], opcodes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) name, disasm_opt, btf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) prog_linfo, ksyms[i], i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) linum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) img += lens[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) jsonw_end_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) jsonw_end_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) disasm_print_insn(buf, member_len, opcodes, name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) disasm_opt, btf, NULL, 0, 0, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) } else if (visual) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) jsonw_null(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) dump_xlated_cfg(buf, member_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) kernel_syms_load(&dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) dd.nr_jited_ksyms = info->nr_jited_ksyms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) dd.jited_ksyms = u64_to_ptr(info->jited_ksyms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) dd.btf = btf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) dd.func_info = func_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) dd.finfo_rec_size = info->func_info_rec_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) dd.prog_linfo = prog_linfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) dump_xlated_json(&dd, buf, member_len, opcodes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) linum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) dump_xlated_plain(&dd, buf, member_len, opcodes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) linum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) kernel_syms_destroy(&dd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) static int do_dump(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) struct bpf_prog_info_linear *info_linear;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) char *filepath = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) bool opcodes = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) bool visual = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) enum dump_mode mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) bool linum = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) int *fds = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) int nb_fds, i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) int err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) __u64 arrays;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) if (is_prefix(*argv, "jited")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) if (disasm_init())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) mode = DUMP_JITED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) } else if (is_prefix(*argv, "xlated")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) mode = DUMP_XLATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) p_err("expected 'xlated' or 'jited', got: %s", *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) if (argc < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) fds = malloc(sizeof(int));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) if (!fds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) p_err("mem alloc failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) nb_fds = prog_parse_fds(&argc, &argv, &fds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) if (nb_fds < 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) goto exit_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) if (is_prefix(*argv, "file")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) if (!argc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) p_err("expected file path");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) goto exit_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) if (nb_fds > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) p_err("several programs matched");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) goto exit_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) filepath = *argv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) } else if (is_prefix(*argv, "opcodes")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) opcodes = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) } else if (is_prefix(*argv, "visual")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) if (nb_fds > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) p_err("several programs matched");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) goto exit_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) visual = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) } else if (is_prefix(*argv, "linum")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) linum = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) if (argc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) goto exit_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) if (mode == DUMP_JITED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) arrays = 1UL << BPF_PROG_INFO_JITED_INSNS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) arrays = 1UL << BPF_PROG_INFO_XLATED_INSNS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) arrays |= 1UL << BPF_PROG_INFO_JITED_KSYMS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) arrays |= 1UL << BPF_PROG_INFO_JITED_FUNC_LENS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) arrays |= 1UL << BPF_PROG_INFO_FUNC_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) arrays |= 1UL << BPF_PROG_INFO_LINE_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) arrays |= 1UL << BPF_PROG_INFO_JITED_LINE_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) if (json_output && nb_fds > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) jsonw_start_array(json_wtr); /* root array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) for (i = 0; i < nb_fds; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) info_linear = bpf_program__get_prog_info_linear(fds[i], arrays);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) if (IS_ERR_OR_NULL(info_linear)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) p_err("can't get prog info: %s", strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) if (json_output && nb_fds > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) jsonw_start_object(json_wtr); /* prog object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) print_prog_header_json(&info_linear->info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) jsonw_name(json_wtr, "insns");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) } else if (nb_fds > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) print_prog_header_plain(&info_linear->info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) err = prog_dump(&info_linear->info, mode, filepath, opcodes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) visual, linum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) if (json_output && nb_fds > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) jsonw_end_object(json_wtr); /* prog object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) else if (i != nb_fds - 1 && nb_fds > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) free(info_linear);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) close(fds[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) if (json_output && nb_fds > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) jsonw_end_array(json_wtr); /* root array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) exit_close:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) for (; i < nb_fds; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) close(fds[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) exit_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) free(fds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) static int do_pin(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) err = do_pin_any(argc, argv, prog_parse_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) if (!err && json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) jsonw_null(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) struct map_replace {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) int idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) int fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) static int map_replace_compar(const void *p1, const void *p2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) const struct map_replace *a = p1, *b = p2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) return a->idx - b->idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) static int parse_attach_detach_args(int argc, char **argv, int *progfd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) enum bpf_attach_type *attach_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) int *mapfd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) if (!REQ_ARGS(3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) *progfd = prog_parse_fd(&argc, &argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) if (*progfd < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) return *progfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) *attach_type = parse_attach_type(*argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) if (*attach_type == __MAX_BPF_ATTACH_TYPE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) p_err("invalid attach/detach type");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) if (*attach_type == BPF_FLOW_DISSECTOR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) *mapfd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) if (!REQ_ARGS(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) *mapfd = map_parse_fd(&argc, &argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) if (*mapfd < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) return *mapfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) static int do_attach(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) enum bpf_attach_type attach_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) int err, progfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) int mapfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) err = parse_attach_detach_args(argc, argv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) &progfd, &attach_type, &mapfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) err = bpf_prog_attach(progfd, mapfd, attach_type, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) p_err("failed prog attach to map");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) jsonw_null(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) static int do_detach(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) enum bpf_attach_type attach_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) int err, progfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) int mapfd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) err = parse_attach_detach_args(argc, argv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) &progfd, &attach_type, &mapfd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) err = bpf_prog_detach2(progfd, mapfd, attach_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) p_err("failed prog detach from map");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) jsonw_null(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) static int check_single_stdin(char *file_data_in, char *file_ctx_in)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) if (file_data_in && file_ctx_in &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) !strcmp(file_data_in, "-") && !strcmp(file_ctx_in, "-")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) p_err("cannot use standard input for both data_in and ctx_in");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) static int get_run_data(const char *fname, void **data_ptr, unsigned int *size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) size_t block_size = 256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) size_t buf_size = block_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) size_t nb_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) void *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) FILE *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) if (!fname) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) *data_ptr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) *size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) if (!strcmp(fname, "-"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) f = stdin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) f = fopen(fname, "r");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) if (!f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) p_err("failed to open %s: %s", fname, strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) *data_ptr = malloc(block_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) if (!*data_ptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) p_err("failed to allocate memory for data_in/ctx_in: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) goto err_fclose;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) while ((nb_read += fread(*data_ptr + nb_read, 1, block_size, f))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) if (feof(f))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) if (ferror(f)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) p_err("failed to read data_in/ctx_in from %s: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) fname, strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) if (nb_read > buf_size - block_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) if (buf_size == UINT32_MAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) p_err("data_in/ctx_in is too long (max: %d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) UINT32_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) /* No space for fread()-ing next chunk; realloc() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) buf_size *= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) tmp = realloc(*data_ptr, buf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) if (!tmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) p_err("failed to reallocate data_in/ctx_in: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) *data_ptr = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) if (f != stdin)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) *size = nb_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) err_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) free(*data_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) *data_ptr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) err_fclose:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) if (f != stdin)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) static void hex_print(void *data, unsigned int size, FILE *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) size_t i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) char c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) for (i = 0; i < size; i += 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) /* Row offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) fprintf(f, "%07zx\t", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) /* Hexadecimal values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) for (j = i; j < i + 16 && j < size; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) fprintf(f, "%02x%s", *(uint8_t *)(data + j),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) j % 2 ? " " : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) for (; j < i + 16; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) fprintf(f, " %s", j % 2 ? " " : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) /* ASCII values (if relevant), '.' otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) fprintf(f, "| ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) for (j = i; j < i + 16 && j < size; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) c = *(char *)(data + j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) if (c < ' ' || c > '~')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) c = '.';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) fprintf(f, "%c%s", c, j == i + 7 ? " " : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) fprintf(f, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) print_run_output(void *data, unsigned int size, const char *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) const char *json_key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) size_t nb_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) FILE *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) if (!fname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) if (!strcmp(fname, "-")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) f = stdout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) if (json_output) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) jsonw_name(json_wtr, json_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) print_data_json(data, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) hex_print(data, size, f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) f = fopen(fname, "w");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) if (!f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) p_err("failed to open %s: %s", fname, strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) nb_written = fwrite(data, 1, size, f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) if (nb_written != size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) p_err("failed to write output data/ctx: %s", strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) static int alloc_run_data(void **data_ptr, unsigned int size_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) *data_ptr = calloc(size_out, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) if (!*data_ptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) p_err("failed to allocate memory for output data/ctx: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) static int do_run(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) char *data_fname_in = NULL, *data_fname_out = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) char *ctx_fname_in = NULL, *ctx_fname_out = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) struct bpf_prog_test_run_attr test_attr = {0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) const unsigned int default_size = SZ_32K;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) void *data_in = NULL, *data_out = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) void *ctx_in = NULL, *ctx_out = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) unsigned int repeat = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) int fd, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) if (!REQ_ARGS(4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) fd = prog_parse_fd(&argc, &argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) if (fd < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) while (argc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) if (detect_common_prefix(*argv, "data_in", "data_out",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) "data_size_out", NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) if (detect_common_prefix(*argv, "ctx_in", "ctx_out",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) "ctx_size_out", NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) if (is_prefix(*argv, "data_in")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) data_fname_in = GET_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) if (check_single_stdin(data_fname_in, ctx_fname_in))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) } else if (is_prefix(*argv, "data_out")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) data_fname_out = GET_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) } else if (is_prefix(*argv, "data_size_out")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) char *endptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) test_attr.data_size_out = strtoul(*argv, &endptr, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) if (*endptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) p_err("can't parse %s as output data size",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) } else if (is_prefix(*argv, "ctx_in")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) ctx_fname_in = GET_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) if (check_single_stdin(data_fname_in, ctx_fname_in))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) } else if (is_prefix(*argv, "ctx_out")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) ctx_fname_out = GET_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) } else if (is_prefix(*argv, "ctx_size_out")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) char *endptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) test_attr.ctx_size_out = strtoul(*argv, &endptr, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) if (*endptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) p_err("can't parse %s as output context size",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) } else if (is_prefix(*argv, "repeat")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) char *endptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) repeat = strtoul(*argv, &endptr, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) if (*endptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) p_err("can't parse %s as repeat number",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) p_err("expected no more arguments, 'data_in', 'data_out', 'data_size_out', 'ctx_in', 'ctx_out', 'ctx_size_out' or 'repeat', got: '%s'?",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) err = get_run_data(data_fname_in, &data_in, &test_attr.data_size_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) if (data_in) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) if (!test_attr.data_size_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) test_attr.data_size_out = default_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) err = alloc_run_data(&data_out, test_attr.data_size_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) goto free_data_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) err = get_run_data(ctx_fname_in, &ctx_in, &test_attr.ctx_size_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) goto free_data_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) if (ctx_in) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) if (!test_attr.ctx_size_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) test_attr.ctx_size_out = default_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) err = alloc_run_data(&ctx_out, test_attr.ctx_size_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) goto free_ctx_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) test_attr.prog_fd = fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) test_attr.repeat = repeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) test_attr.data_in = data_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) test_attr.data_out = data_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) test_attr.ctx_in = ctx_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) test_attr.ctx_out = ctx_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) err = bpf_prog_test_run_xattr(&test_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) p_err("failed to run program: %s", strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) goto free_ctx_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) jsonw_start_object(json_wtr); /* root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) /* Do not exit on errors occurring when printing output data/context,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) * we still want to print return value and duration for program run.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) if (test_attr.data_size_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) err += print_run_output(test_attr.data_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) test_attr.data_size_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) data_fname_out, "data_out");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) if (test_attr.ctx_size_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) err += print_run_output(test_attr.ctx_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) test_attr.ctx_size_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) ctx_fname_out, "ctx_out");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) if (json_output) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) jsonw_uint_field(json_wtr, "retval", test_attr.retval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) jsonw_uint_field(json_wtr, "duration", test_attr.duration);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) jsonw_end_object(json_wtr); /* root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) fprintf(stdout, "Return value: %u, duration%s: %uns\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) test_attr.retval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) repeat > 1 ? " (average)" : "", test_attr.duration);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) free_ctx_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) free(ctx_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) free_ctx_in:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) free(ctx_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) free_data_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) free(data_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) free_data_in:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) free(data_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) get_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) enum bpf_attach_type *expected_attach_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) libbpf_print_fn_t print_backup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) ret = libbpf_prog_type_by_name(name, prog_type, expected_attach_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) /* libbpf_prog_type_by_name() failed, let's re-run with debug level */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) print_backup = libbpf_set_print(print_all_levels);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) ret = libbpf_prog_type_by_name(name, prog_type, expected_attach_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) libbpf_set_print(print_backup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) static int load_with_options(int argc, char **argv, bool first_prog_only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) enum bpf_prog_type common_prog_type = BPF_PROG_TYPE_UNSPEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) .relaxed_maps = relaxed_maps,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) struct bpf_object_load_attr load_attr = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) enum bpf_attach_type expected_attach_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) struct map_replace *map_replace = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) struct bpf_program *prog = NULL, *pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) unsigned int old_map_fds = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) const char *pinmaps = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) struct bpf_object *obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) struct bpf_map *map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) const char *pinfile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) unsigned int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) __u32 ifindex = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) const char *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) int idx, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) if (!REQ_ARGS(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) file = GET_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) pinfile = GET_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) while (argc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) if (is_prefix(*argv, "type")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) char *type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) if (common_prog_type != BPF_PROG_TYPE_UNSPEC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) p_err("program type already specified");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) /* Put a '/' at the end of type to appease libbpf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) type = malloc(strlen(*argv) + 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) if (!type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) p_err("mem alloc failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) *type = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) strcat(type, *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) strcat(type, "/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) err = get_prog_type_by_name(type, &common_prog_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) &expected_attach_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) free(type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) } else if (is_prefix(*argv, "map")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) void *new_map_replace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) char *endptr, *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) int fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) if (!REQ_ARGS(4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) if (is_prefix(*argv, "idx")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) idx = strtoul(*argv, &endptr, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) if (*endptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) p_err("can't parse %s as IDX", *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) } else if (is_prefix(*argv, "name")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) name = *argv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) idx = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) p_err("expected 'idx' or 'name', got: '%s'?",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) fd = map_parse_fd(&argc, &argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) if (fd < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) new_map_replace = reallocarray(map_replace,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) old_map_fds + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) sizeof(*map_replace));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) if (!new_map_replace) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) p_err("mem alloc failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) map_replace = new_map_replace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) map_replace[old_map_fds].idx = idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) map_replace[old_map_fds].name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) map_replace[old_map_fds].fd = fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) old_map_fds++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) } else if (is_prefix(*argv, "dev")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) if (ifindex) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) p_err("offload device already specified");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) ifindex = if_nametoindex(*argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) if (!ifindex) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) p_err("unrecognized netdevice '%s': %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) *argv, strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) } else if (is_prefix(*argv, "pinmaps")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) if (!REQ_ARGS(1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) pinmaps = GET_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) p_err("expected no more arguments, 'type', 'map' or 'dev', got: '%s'?",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) *argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) set_max_rlimit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) obj = bpf_object__open_file(file, &open_opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) if (IS_ERR_OR_NULL(obj)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) p_err("failed to open object file");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) goto err_free_reuse_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) bpf_object__for_each_program(pos, obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) enum bpf_prog_type prog_type = common_prog_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) if (prog_type == BPF_PROG_TYPE_UNSPEC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) const char *sec_name = bpf_program__section_name(pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) err = get_prog_type_by_name(sec_name, &prog_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) &expected_attach_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) bpf_program__set_ifindex(pos, ifindex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) bpf_program__set_type(pos, prog_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) bpf_program__set_expected_attach_type(pos, expected_attach_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) qsort(map_replace, old_map_fds, sizeof(*map_replace),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) map_replace_compar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) /* After the sort maps by name will be first on the list, because they
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) * have idx == -1. Resolve them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) j = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) while (j < old_map_fds && map_replace[j].name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) bpf_object__for_each_map(map, obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) if (!strcmp(bpf_map__name(map), map_replace[j].name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) map_replace[j].idx = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) if (map_replace[j].idx == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) p_err("unable to find map '%s'", map_replace[j].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) j++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) /* Resort if any names were resolved */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) if (j)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) qsort(map_replace, old_map_fds, sizeof(*map_replace),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) map_replace_compar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) /* Set ifindex and name reuse */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) j = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) bpf_object__for_each_map(map, obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) if (!bpf_map__is_offload_neutral(map))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) bpf_map__set_ifindex(map, ifindex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) if (j < old_map_fds && idx == map_replace[j].idx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) err = bpf_map__reuse_fd(map, map_replace[j++].fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) p_err("unable to set up map reuse: %d", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) /* Next reuse wants to apply to the same map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) if (j < old_map_fds && map_replace[j].idx == idx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) p_err("replacement for map idx %d specified more than once",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) if (j < old_map_fds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) p_err("map idx '%d' not used", map_replace[j].idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) load_attr.obj = obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) if (verifier_logs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) /* log_level1 + log_level2 + stats, but not stable UAPI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) load_attr.log_level = 1 + 2 + 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) err = bpf_object__load_xattr(&load_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) p_err("failed to load object file");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) err = mount_bpffs_for_pin(pinfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) if (first_prog_only) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) prog = bpf_program__next(NULL, obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) if (!prog) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) p_err("object file doesn't contain any bpf program");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) err = bpf_obj_pin(bpf_program__fd(prog), pinfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) p_err("failed to pin program %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) bpf_program__section_name(prog));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) err = bpf_object__pin_programs(obj, pinfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) p_err("failed to pin all programs");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) goto err_close_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) if (pinmaps) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) err = bpf_object__pin_maps(obj, pinmaps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) p_err("failed to pin all maps");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) goto err_unpin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) jsonw_null(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) bpf_object__close(obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) for (i = 0; i < old_map_fds; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) close(map_replace[i].fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) free(map_replace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) err_unpin:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) if (first_prog_only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) unlink(pinfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) bpf_object__unpin_programs(obj, pinfile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) err_close_obj:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) bpf_object__close(obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) err_free_reuse_maps:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) for (i = 0; i < old_map_fds; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) close(map_replace[i].fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) free(map_replace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) static int do_load(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) return load_with_options(argc, argv, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) static int do_loadall(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) return load_with_options(argc, argv, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) #ifdef BPFTOOL_WITHOUT_SKELETONS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) static int do_profile(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) p_err("bpftool prog profile command is not supported. Please build bpftool with clang >= 10.0.0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) #else /* BPFTOOL_WITHOUT_SKELETONS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) #include "profiler.skel.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) struct profile_metric {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) struct bpf_perf_event_value val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) struct perf_event_attr attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) bool selected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) /* calculate ratios like instructions per cycle */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) const int ratio_metric; /* 0 for N/A, 1 for index 0 (cycles) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) const char *ratio_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) const float ratio_mul;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) } metrics[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) .name = "cycles",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) .type = PERF_TYPE_HARDWARE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) .config = PERF_COUNT_HW_CPU_CYCLES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) .exclude_user = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) .name = "instructions",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) .type = PERF_TYPE_HARDWARE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) .config = PERF_COUNT_HW_INSTRUCTIONS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) .exclude_user = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) .ratio_metric = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) .ratio_desc = "insns per cycle",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) .ratio_mul = 1.0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) .name = "l1d_loads",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) .type = PERF_TYPE_HW_CACHE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) .config =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) PERF_COUNT_HW_CACHE_L1D |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) (PERF_COUNT_HW_CACHE_OP_READ << 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) .exclude_user = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) .name = "llc_misses",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) .type = PERF_TYPE_HW_CACHE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) .config =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) PERF_COUNT_HW_CACHE_LL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) (PERF_COUNT_HW_CACHE_OP_READ << 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) (PERF_COUNT_HW_CACHE_RESULT_MISS << 16),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) .exclude_user = 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) .ratio_metric = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) .ratio_desc = "LLC misses per million insns",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) .ratio_mul = 1e6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) static __u64 profile_total_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) #define MAX_NUM_PROFILE_METRICS 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) static int profile_parse_metrics(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) unsigned int metric_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) int selected_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) metric_cnt = sizeof(metrics) / sizeof(struct profile_metric);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) while (argc > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) for (i = 0; i < metric_cnt; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) if (is_prefix(argv[0], metrics[i].name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) if (!metrics[i].selected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) selected_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) metrics[i].selected = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) if (i == metric_cnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) p_err("unknown metric %s", argv[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) if (selected_cnt > MAX_NUM_PROFILE_METRICS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) p_err("too many (%d) metrics, please specify no more than %d metrics at at time",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) selected_cnt, MAX_NUM_PROFILE_METRICS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) return selected_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) static void profile_read_values(struct profiler_bpf *obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) __u32 m, cpu, num_cpu = obj->rodata->num_cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) int reading_map_fd, count_map_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) __u64 counts[num_cpu];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) __u32 key = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) reading_map_fd = bpf_map__fd(obj->maps.accum_readings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) count_map_fd = bpf_map__fd(obj->maps.counts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) if (reading_map_fd < 0 || count_map_fd < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) p_err("failed to get fd for map");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) err = bpf_map_lookup_elem(count_map_fd, &key, counts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) p_err("failed to read count_map: %s", strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) profile_total_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) for (cpu = 0; cpu < num_cpu; cpu++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) profile_total_count += counts[cpu];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) for (m = 0; m < ARRAY_SIZE(metrics); m++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) struct bpf_perf_event_value values[num_cpu];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) if (!metrics[m].selected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) err = bpf_map_lookup_elem(reading_map_fd, &key, values);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) p_err("failed to read reading_map: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) for (cpu = 0; cpu < num_cpu; cpu++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) metrics[m].val.counter += values[cpu].counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) metrics[m].val.enabled += values[cpu].enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) metrics[m].val.running += values[cpu].running;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) key++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) static void profile_print_readings_json(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) __u32 m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) jsonw_start_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) for (m = 0; m < ARRAY_SIZE(metrics); m++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) if (!metrics[m].selected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) jsonw_start_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) jsonw_string_field(json_wtr, "metric", metrics[m].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) jsonw_lluint_field(json_wtr, "run_cnt", profile_total_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) jsonw_lluint_field(json_wtr, "value", metrics[m].val.counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) jsonw_lluint_field(json_wtr, "enabled", metrics[m].val.enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) jsonw_lluint_field(json_wtr, "running", metrics[m].val.running);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) jsonw_end_object(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) jsonw_end_array(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) static void profile_print_readings_plain(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) __u32 m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) printf("\n%18llu %-20s\n", profile_total_count, "run_cnt");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) for (m = 0; m < ARRAY_SIZE(metrics); m++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) struct bpf_perf_event_value *val = &metrics[m].val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) if (!metrics[m].selected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) printf("%18llu %-20s", val->counter, metrics[m].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) r = metrics[m].ratio_metric - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) if (r >= 0 && metrics[r].selected &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) metrics[r].val.counter > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) printf("# %8.2f %-30s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) val->counter * metrics[m].ratio_mul /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) metrics[r].val.counter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) metrics[m].ratio_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) printf("%-41s", "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) if (val->enabled > val->running)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) printf("(%4.2f%%)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) val->running * 100.0 / val->enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) static void profile_print_readings(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) if (json_output)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) profile_print_readings_json();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) profile_print_readings_plain();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) static char *profile_target_name(int tgt_fd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) struct bpf_prog_info_linear *info_linear;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) struct bpf_func_info *func_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) const struct btf_type *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) char *name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) struct btf *btf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) info_linear = bpf_program__get_prog_info_linear(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) tgt_fd, 1UL << BPF_PROG_INFO_FUNC_INFO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) if (IS_ERR_OR_NULL(info_linear)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) p_err("failed to get info_linear for prog FD %d", tgt_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) if (info_linear->info.btf_id == 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) btf__get_from_id(info_linear->info.btf_id, &btf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) p_err("prog FD %d doesn't have valid btf", tgt_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) func_info = u64_to_ptr(info_linear->info.func_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) t = btf__type_by_id(btf, func_info[0].type_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) if (!t) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) p_err("btf %d doesn't have type %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) info_linear->info.btf_id, func_info[0].type_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) name = strdup(btf__name_by_offset(btf, t->name_off));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) free(info_linear);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) return name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) static struct profiler_bpf *profile_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) static int profile_tgt_fd = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) static char *profile_tgt_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) static int *profile_perf_events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) static int profile_perf_event_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) static void profile_close_perf_events(struct profiler_bpf *obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) for (i = profile_perf_event_cnt - 1; i >= 0; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) close(profile_perf_events[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) free(profile_perf_events);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) profile_perf_event_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) static int profile_open_perf_events(struct profiler_bpf *obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) unsigned int cpu, m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) int map_fd, pmu_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) profile_perf_events = calloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) sizeof(int), obj->rodata->num_cpu * obj->rodata->num_metric);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) if (!profile_perf_events) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) p_err("failed to allocate memory for perf_event array: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) map_fd = bpf_map__fd(obj->maps.events);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) if (map_fd < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) p_err("failed to get fd for events map");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) for (m = 0; m < ARRAY_SIZE(metrics); m++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) if (!metrics[m].selected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) for (cpu = 0; cpu < obj->rodata->num_cpu; cpu++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) pmu_fd = syscall(__NR_perf_event_open, &metrics[m].attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) -1/*pid*/, cpu, -1/*group_fd*/, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) if (pmu_fd < 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) bpf_map_update_elem(map_fd, &profile_perf_event_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) &pmu_fd, BPF_ANY) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) p_err("failed to create event %s on cpu %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) metrics[m].name, cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) profile_perf_events[profile_perf_event_cnt++] = pmu_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) static void profile_print_and_cleanup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) profile_close_perf_events(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) profile_read_values(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) profile_print_readings();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) profiler_bpf__destroy(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) close(profile_tgt_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) free(profile_tgt_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) static void int_exit(int signo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) profile_print_and_cleanup();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) exit(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) static int do_profile(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) int num_metric, num_cpu, err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) struct bpf_program *prog;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) unsigned long duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) char *endptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) /* we at least need two args for the prog and one metric */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) if (!REQ_ARGS(3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) /* parse target fd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) profile_tgt_fd = prog_parse_fd(&argc, &argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) if (profile_tgt_fd < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) p_err("failed to parse fd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) /* parse profiling optional duration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) if (argc > 2 && is_prefix(argv[0], "duration")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) duration = strtoul(*argv, &endptr, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) if (*endptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) NEXT_ARG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) duration = UINT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) num_metric = profile_parse_metrics(argc, argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) if (num_metric <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) num_cpu = libbpf_num_possible_cpus();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) if (num_cpu <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) p_err("failed to identify number of CPUs");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) profile_obj = profiler_bpf__open();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) if (!profile_obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) p_err("failed to open and/or load BPF object");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) profile_obj->rodata->num_cpu = num_cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) profile_obj->rodata->num_metric = num_metric;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) /* adjust map sizes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) bpf_map__resize(profile_obj->maps.events, num_metric * num_cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) bpf_map__resize(profile_obj->maps.fentry_readings, num_metric);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) bpf_map__resize(profile_obj->maps.accum_readings, num_metric);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) bpf_map__resize(profile_obj->maps.counts, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) /* change target name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) profile_tgt_name = profile_target_name(profile_tgt_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) if (!profile_tgt_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) bpf_object__for_each_program(prog, profile_obj->obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) err = bpf_program__set_attach_target(prog, profile_tgt_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) profile_tgt_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) p_err("failed to set attach target\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) set_max_rlimit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) err = profiler_bpf__load(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) p_err("failed to load profile_obj");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) err = profile_open_perf_events(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) err = profiler_bpf__attach(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) p_err("failed to attach profile_obj");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) signal(SIGINT, int_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) sleep(duration);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) profile_print_and_cleanup();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) profile_close_perf_events(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) if (profile_obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) profiler_bpf__destroy(profile_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) close(profile_tgt_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) free(profile_tgt_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) #endif /* BPFTOOL_WITHOUT_SKELETONS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) static int do_help(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) if (json_output) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) jsonw_null(json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) fprintf(stderr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) "Usage: %1$s %2$s { show | list } [PROG]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) " %1$s %2$s dump xlated PROG [{ file FILE | opcodes | visual | linum }]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) " %1$s %2$s dump jited PROG [{ file FILE | opcodes | linum }]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) " %1$s %2$s pin PROG FILE\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) " %1$s %2$s { load | loadall } OBJ PATH \\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) " [type TYPE] [dev NAME] \\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) " [map { idx IDX | name NAME } MAP]\\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) " [pinmaps MAP_DIR]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) " %1$s %2$s attach PROG ATTACH_TYPE [MAP]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) " %1$s %2$s detach PROG ATTACH_TYPE [MAP]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) " %1$s %2$s run PROG \\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) " data_in FILE \\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) " [data_out FILE [data_size_out L]] \\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) " [ctx_in FILE [ctx_out FILE [ctx_size_out M]]] \\\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) " [repeat N]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) " %1$s %2$s profile PROG [duration DURATION] METRICs\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) " %1$s %2$s tracelog\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) " %1$s %2$s help\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) " " HELP_SPEC_MAP "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) " " HELP_SPEC_PROGRAM "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) " TYPE := { socket | kprobe | kretprobe | classifier | action |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) " tracepoint | raw_tracepoint | xdp | perf_event | cgroup/skb |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) " cgroup/sock | cgroup/dev | lwt_in | lwt_out | lwt_xmit |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) " lwt_seg6local | sockops | sk_skb | sk_msg | lirc_mode2 |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) " sk_reuseport | flow_dissector | cgroup/sysctl |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) " cgroup/bind4 | cgroup/bind6 | cgroup/post_bind4 |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) " cgroup/post_bind6 | cgroup/connect4 | cgroup/connect6 |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) " cgroup/getpeername4 | cgroup/getpeername6 |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) " cgroup/getsockname4 | cgroup/getsockname6 | cgroup/sendmsg4 |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) " cgroup/sendmsg6 | cgroup/recvmsg4 | cgroup/recvmsg6 |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) " cgroup/getsockopt | cgroup/setsockopt | cgroup/sock_release |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) " struct_ops | fentry | fexit | freplace | sk_lookup }\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) " ATTACH_TYPE := { msg_verdict | stream_verdict | stream_parser |\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) " flow_dissector }\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) " METRIC := { cycles | instructions | l1d_loads | llc_misses }\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) " " HELP_SPEC_OPTIONS "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) bin_name, argv[-2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) static const struct cmd cmds[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) { "show", do_show },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) { "list", do_show },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) { "help", do_help },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) { "dump", do_dump },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) { "pin", do_pin },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) { "load", do_load },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) { "loadall", do_loadall },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) { "attach", do_attach },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) { "detach", do_detach },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) { "tracelog", do_tracelog },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) { "run", do_run },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) { "profile", do_profile },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) { 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) int do_prog(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) return cmd_select(cmds, argc, argv, do_help);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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