linux/tools/perf/tests/stat.c
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   1// SPDX-License-Identifier: GPL-2.0
   2#include <linux/compiler.h>
   3#include "event.h"
   4#include "tests.h"
   5#include "stat.h"
   6#include "counts.h"
   7#include "debug.h"
   8#include "util/synthetic-events.h"
   9
  10static bool has_term(struct perf_record_stat_config *config,
  11                     u64 tag, u64 val)
  12{
  13        unsigned i;
  14
  15        for (i = 0; i < config->nr; i++) {
  16                if ((config->data[i].tag == tag) &&
  17                    (config->data[i].val == val))
  18                        return true;
  19        }
  20
  21        return false;
  22}
  23
  24static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
  25                                     union perf_event *event,
  26                                     struct perf_sample *sample __maybe_unused,
  27                                     struct machine *machine __maybe_unused)
  28{
  29        struct perf_record_stat_config *config = &event->stat_config;
  30        struct perf_stat_config stat_config;
  31
  32#define HAS(term, val) \
  33        has_term(config, PERF_STAT_CONFIG_TERM__##term, val)
  34
  35        TEST_ASSERT_VAL("wrong nr",        config->nr == PERF_STAT_CONFIG_TERM__MAX);
  36        TEST_ASSERT_VAL("wrong aggr_mode", HAS(AGGR_MODE, AGGR_CORE));
  37        TEST_ASSERT_VAL("wrong scale",     HAS(SCALE, 1));
  38        TEST_ASSERT_VAL("wrong interval",  HAS(INTERVAL, 1));
  39
  40#undef HAS
  41
  42        perf_event__read_stat_config(&stat_config, config);
  43
  44        TEST_ASSERT_VAL("wrong aggr_mode", stat_config.aggr_mode == AGGR_CORE);
  45        TEST_ASSERT_VAL("wrong scale",     stat_config.scale == 1);
  46        TEST_ASSERT_VAL("wrong interval",  stat_config.interval == 1);
  47        return 0;
  48}
  49
  50int test__synthesize_stat_config(struct test *test __maybe_unused, int subtest __maybe_unused)
  51{
  52        struct perf_stat_config stat_config = {
  53                .aggr_mode      = AGGR_CORE,
  54                .scale          = 1,
  55                .interval       = 1,
  56        };
  57
  58        TEST_ASSERT_VAL("failed to synthesize stat_config",
  59                !perf_event__synthesize_stat_config(NULL, &stat_config, process_stat_config_event, NULL));
  60
  61        return 0;
  62}
  63
  64static int process_stat_event(struct perf_tool *tool __maybe_unused,
  65                              union perf_event *event,
  66                              struct perf_sample *sample __maybe_unused,
  67                              struct machine *machine __maybe_unused)
  68{
  69        struct perf_record_stat *st = &event->stat;
  70
  71        TEST_ASSERT_VAL("wrong cpu",    st->cpu    == 1);
  72        TEST_ASSERT_VAL("wrong thread", st->thread == 2);
  73        TEST_ASSERT_VAL("wrong id",     st->id     == 3);
  74        TEST_ASSERT_VAL("wrong val",    st->val    == 100);
  75        TEST_ASSERT_VAL("wrong run",    st->ena    == 200);
  76        TEST_ASSERT_VAL("wrong ena",    st->run    == 300);
  77        return 0;
  78}
  79
  80int test__synthesize_stat(struct test *test __maybe_unused, int subtest __maybe_unused)
  81{
  82        struct perf_counts_values count;
  83
  84        count.val = 100;
  85        count.ena = 200;
  86        count.run = 300;
  87
  88        TEST_ASSERT_VAL("failed to synthesize stat_config",
  89                !perf_event__synthesize_stat(NULL, 1, 2, 3, &count, process_stat_event, NULL));
  90
  91        return 0;
  92}
  93
  94static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
  95                                    union perf_event *event,
  96                                    struct perf_sample *sample __maybe_unused,
  97                                    struct machine *machine __maybe_unused)
  98{
  99        struct perf_record_stat_round *stat_round = &event->stat_round;
 100
 101        TEST_ASSERT_VAL("wrong time", stat_round->time == 0xdeadbeef);
 102        TEST_ASSERT_VAL("wrong type", stat_round->type == PERF_STAT_ROUND_TYPE__INTERVAL);
 103        return 0;
 104}
 105
 106int test__synthesize_stat_round(struct test *test __maybe_unused, int subtest __maybe_unused)
 107{
 108        TEST_ASSERT_VAL("failed to synthesize stat_config",
 109                !perf_event__synthesize_stat_round(NULL, 0xdeadbeef, PERF_STAT_ROUND_TYPE__INTERVAL,
 110                                                   process_stat_round_event, NULL));
 111
 112        return 0;
 113}
 114