^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * builtin-buildid-list.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Builtin buildid-list command: list buildids in perf.data, in the running
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * kernel and in ELF files.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2009, Red Hat Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "builtin.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "perf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "util/build-id.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "util/debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "util/dso.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <subcmd/pager.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <subcmd/parse-options.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "util/session.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "util/symbol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "util/data.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static int sysfs__fprintf_build_id(FILE *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) char sbuild_id[SBUILD_ID_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) ret = sysfs__sprintf_build_id("/", sbuild_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) if (ret != sizeof(sbuild_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) return ret < 0 ? ret : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return fprintf(fp, "%s\n", sbuild_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static int filename__fprintf_build_id(const char *name, FILE *fp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) char sbuild_id[SBUILD_ID_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ret = filename__sprintf_build_id(name, sbuild_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (ret != sizeof(sbuild_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return ret < 0 ? ret : -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return fprintf(fp, "%s\n", sbuild_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static bool dso__skip_buildid(struct dso *dso, int with_hits)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return with_hits && !dso->hit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static int perf_session__list_build_ids(bool force, bool with_hits)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct perf_session *session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct perf_data data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .path = input_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .mode = PERF_DATA_MODE_READ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .force = force,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) symbol__elf_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * See if this is an ELF file first:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (filename__fprintf_build_id(input_name, stdout) > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) session = perf_session__new(&data, false, &build_id__mark_dso_hit_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (IS_ERR(session))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return PTR_ERR(session);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * We take all buildids when the file contains AUX area tracing data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * because we do not decode the trace because it would take too long.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (!perf_data__is_pipe(&data) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) perf_header__has_feat(&session->header, HEADER_AUXTRACE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) with_hits = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * in pipe-mode, the only way to get the buildids is to parse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (with_hits || perf_data__is_pipe(&data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) perf_session__process_events(session);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) perf_session__delete(session);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int cmd_buildid_list(int argc, const char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) bool show_kernel = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) bool with_hits = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) bool force = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) const struct option options[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) OPT_STRING('i', "input", &input_name, "file", "input file name"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) OPT_INCR('v', "verbose", &verbose, "be more verbose"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) OPT_END()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) const char * const buildid_list_usage[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) "perf buildid-list [<options>]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) argc = parse_options(argc, argv, options, buildid_list_usage, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) setup_pager();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) if (show_kernel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return !(sysfs__fprintf_build_id(stdout) > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return perf_session__list_build_ids(force, with_hits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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