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

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