LXR linux/tools/perf/tests/stat.c

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