^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "map_symbol.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "branch.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "event.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "evsel.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "util/synthetic-events.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "tests.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define COMP(m) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) if (s1->m != s2->m) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) pr_debug("Samples differ at '"#m"'\n"); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) return false; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define MCOMP(m) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) if (memcmp(&s1->m, &s2->m, sizeof(s1->m))) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) pr_debug("Samples differ at '"#m"'\n"); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) return false; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static bool samples_same(const struct perf_sample *s1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) const struct perf_sample *s2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u64 type, u64 read_format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) size_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) if (type & PERF_SAMPLE_IDENTIFIER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) COMP(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (type & PERF_SAMPLE_IP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) COMP(ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if (type & PERF_SAMPLE_TID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) COMP(pid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) COMP(tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (type & PERF_SAMPLE_TIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) COMP(time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (type & PERF_SAMPLE_ADDR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) COMP(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (type & PERF_SAMPLE_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) COMP(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (type & PERF_SAMPLE_STREAM_ID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) COMP(stream_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (type & PERF_SAMPLE_CPU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) COMP(cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (type & PERF_SAMPLE_PERIOD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) COMP(period);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (type & PERF_SAMPLE_READ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (read_format & PERF_FORMAT_GROUP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) COMP(read.group.nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) COMP(read.one.value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) COMP(read.time_enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) COMP(read.time_running);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (read_format & PERF_FORMAT_GROUP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) for (i = 0; i < s1->read.group.nr; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) MCOMP(read.group.values[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) COMP(read.one.id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (type & PERF_SAMPLE_CALLCHAIN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) COMP(callchain->nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) for (i = 0; i < s1->callchain->nr; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) COMP(callchain->ips[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (type & PERF_SAMPLE_RAW) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) COMP(raw_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (memcmp(s1->raw_data, s2->raw_data, s1->raw_size)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) pr_debug("Samples differ at 'raw_data'\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (type & PERF_SAMPLE_BRANCH_STACK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) COMP(branch_stack->nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) COMP(branch_stack->hw_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) for (i = 0; i < s1->branch_stack->nr; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) MCOMP(branch_stack->entries[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (type & PERF_SAMPLE_REGS_USER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) size_t sz = hweight_long(s1->user_regs.mask) * sizeof(u64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) COMP(user_regs.mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) COMP(user_regs.abi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (s1->user_regs.abi &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) (!s1->user_regs.regs || !s2->user_regs.regs ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) memcmp(s1->user_regs.regs, s2->user_regs.regs, sz))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) pr_debug("Samples differ at 'user_regs'\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if (type & PERF_SAMPLE_STACK_USER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) COMP(user_stack.size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (memcmp(s1->user_stack.data, s2->user_stack.data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) s1->user_stack.size)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) pr_debug("Samples differ at 'user_stack'\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return false;
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (type & PERF_SAMPLE_WEIGHT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) COMP(weight);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (type & PERF_SAMPLE_DATA_SRC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) COMP(data_src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (type & PERF_SAMPLE_TRANSACTION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) COMP(transaction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) if (type & PERF_SAMPLE_REGS_INTR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) size_t sz = hweight_long(s1->intr_regs.mask) * sizeof(u64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) COMP(intr_regs.mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) COMP(intr_regs.abi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (s1->intr_regs.abi &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) (!s1->intr_regs.regs || !s2->intr_regs.regs ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) memcmp(s1->intr_regs.regs, s2->intr_regs.regs, sz))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) pr_debug("Samples differ at 'intr_regs'\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (type & PERF_SAMPLE_PHYS_ADDR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) COMP(phys_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (type & PERF_SAMPLE_CGROUP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) COMP(cgroup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) if (type & PERF_SAMPLE_AUX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) COMP(aux_sample.size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (memcmp(s1->aux_sample.data, s2->aux_sample.data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) s1->aux_sample.size)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) pr_debug("Samples differ at 'aux_sample'\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) struct evsel evsel = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .needs_swap = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) .core = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) . attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .sample_type = sample_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .read_format = read_format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) union perf_event *event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct ip_callchain callchain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) u64 data[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) } callchain = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) /* 3 ips */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .data = {3, 201, 202, 203},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct branch_stack branch_stack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) u64 data[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) } branch_stack = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /* 1 branch_entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .data = {1, -1ULL, 211, 212, 213},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) u64 regs[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) const u32 raw_data[] = {0x12345678, 0x0a0b0c0d, 0x11020304, 0x05060708, 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) const u64 data[] = {0x2211443366558877ULL, 0, 0xaabbccddeeff4321ULL};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) const u64 aux_data[] = {0xa55a, 0, 0xeeddee, 0x0282028202820282};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct perf_sample sample = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .ip = 101,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .pid = 102,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .tid = 103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .time = 104,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .addr = 105,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .id = 106,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .stream_id = 107,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .period = 108,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) .weight = 109,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) .cpu = 110,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) .raw_size = sizeof(raw_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .data_src = 111,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .transaction = 112,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) .raw_data = (void *)raw_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .callchain = &callchain.callchain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .no_hw_idx = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) .branch_stack = &branch_stack.branch_stack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .user_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .abi = PERF_SAMPLE_REGS_ABI_64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .mask = sample_regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .regs = regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .user_stack = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .size = sizeof(data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) .data = (void *)data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .read = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .time_enabled = 0x030a59d664fca7deULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .time_running = 0x011b6ae553eb98edULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .intr_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .abi = PERF_SAMPLE_REGS_ABI_64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .mask = sample_regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .regs = regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) .phys_addr = 113,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .cgroup = 114,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .aux_sample = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .size = sizeof(aux_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .data = (void *)aux_data,
^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) struct sample_read_value values[] = {{1, 5}, {9, 3}, {2, 7}, {6, 4},};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct perf_sample sample_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) size_t i, sz, bufsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) int err, ret = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (sample_type & PERF_SAMPLE_REGS_USER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) evsel.core.attr.sample_regs_user = sample_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (sample_type & PERF_SAMPLE_REGS_INTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) evsel.core.attr.sample_regs_intr = sample_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (sample_type & PERF_SAMPLE_BRANCH_STACK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) evsel.core.attr.branch_sample_type |= PERF_SAMPLE_BRANCH_HW_INDEX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) for (i = 0; i < sizeof(regs); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) *(i + (u8 *)regs) = i & 0xfe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (read_format & PERF_FORMAT_GROUP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) sample.read.group.nr = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) sample.read.group.values = values;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) sample.read.one.value = 0x08789faeb786aa87ULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) sample.read.one.id = 99;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) sz = perf_event__sample_event_size(&sample, sample_type, read_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) bufsz = sz + 4096; /* Add a bit for overrun checking */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) event = malloc(bufsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (!event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) pr_debug("malloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) memset(event, 0xff, bufsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) event->header.type = PERF_RECORD_SAMPLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) event->header.misc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) event->header.size = sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) err = perf_event__synthesize_sample(event, sample_type, read_format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) &sample);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) "perf_event__synthesize_sample", sample_type, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) /* The data does not contain 0xff so we use that to check the size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) for (i = bufsz; i > 0; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (*(i - 1 + (u8 *)event) != 0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) if (i != sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) pr_debug("Event size mismatch: actual %zu vs expected %zu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) i, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) evsel.sample_size = __evsel__sample_size(sample_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) err = evsel__parse_sample(&evsel, event, &sample_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) "evsel__parse_sample", sample_type, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (!samples_same(&sample, &sample_out, sample_type, read_format)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) pr_debug("parsing failed for sample_type %#"PRIx64"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) sample_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) free(event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (ret && read_format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) pr_debug("read_format %#"PRIx64"\n", read_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) * test__sample_parsing - test sample parsing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * This function implements a test that synthesizes a sample event, parses it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) * and then checks that the parsed sample matches the original sample. The test
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * checks sample format bits separately and together. If the test passes %0 is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * returned, otherwise %-1 is returned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) const u64 rf[] = {4, 5, 6, 7, 12, 13, 14, 15};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) u64 sample_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) u64 sample_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) size_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) * Fail the test if it has not been updated when new sample format bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) * were added. Please actually update the test rather than just change
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * the condition below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (PERF_SAMPLE_MAX > PERF_SAMPLE_CGROUP << 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) pr_debug("sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) /* Test each sample format bit separately */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) for (sample_type = 1; sample_type != PERF_SAMPLE_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) sample_type <<= 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) /* Test read_format variations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if (sample_type == PERF_SAMPLE_READ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) for (i = 0; i < ARRAY_SIZE(rf); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) err = do_test(sample_type, 0, rf[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) sample_regs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) if (sample_type == PERF_SAMPLE_REGS_USER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) sample_regs = 0x3fff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (sample_type == PERF_SAMPLE_REGS_INTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) sample_regs = 0xff0fff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) err = do_test(sample_type, sample_regs, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) /* Test all sample format bits together */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) sample_type = PERF_SAMPLE_MAX - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) sample_regs = 0x3fff; /* shared yb intr and user regs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) for (i = 0; i < ARRAY_SIZE(rf); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) err = do_test(sample_type, sample_regs, rf[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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