tools/perf/tests/evsel-tp-sched.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/err.h>
   3 #include <traceevent/event-parse.h>
   4 #include "evsel.h"
   5 #include "tests.h"
   6 #include "debug.h"
   7
   8 static int evsel__test_field(struct evsel *evsel, const char *name, int size, bool should_be_signed)
   9 {
  10         struct tep_format_field *field = evsel__field(evsel, name);
  11         int is_signed;
  12         int ret = 0;
  13
  14         if (field == NULL) {
  15                 pr_debug("%s: \"%s\" field not found!\n", evsel->name, name);
  16                 return -1;
  17         }
  18
  19         is_signed = !!(field->flags & TEP_FIELD_IS_SIGNED);
  20         if (should_be_signed && !is_signed) {
  21                 pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n",
  22                          evsel->name, name, is_signed, should_be_signed);
  23                 ret = -1;
  24         }
  25
  26         if (field->size != size) {
  27                 pr_debug("%s: \"%s\" size (%d) should be %d!\n",
  28                          evsel->name, name, field->size, size);
  29                 ret = -1;
  30         }
  31
  32         return ret;
  33 }
  34
  35 int test__perf_evsel__tp_sched_test(struct test *test __maybe_unused, int subtest __maybe_unused)
  36 {
  37         struct evsel *evsel = evsel__newtp("sched", "sched_switch");
  38         int ret = 0;
  39
  40         if (IS_ERR(evsel)) {
  41                 pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel));
  42                 return -1;
  43         }
  44
  45         if (evsel__test_field(evsel, "prev_comm", 16, false))
  46                 ret = -1;
  47
  48         if (evsel__test_field(evsel, "prev_pid", 4, true))
  49                 ret = -1;
  50
  51         if (evsel__test_field(evsel, "prev_prio", 4, true))
  52                 ret = -1;
  53
  54         if (evsel__test_field(evsel, "prev_state", sizeof(long), true))
  55                 ret = -1;
  56
  57         if (evsel__test_field(evsel, "next_comm", 16, false))
  58                 ret = -1;
  59
  60         if (evsel__test_field(evsel, "next_pid", 4, true))
  61                 ret = -1;
  62
  63         if (evsel__test_field(evsel, "next_prio", 4, true))
  64                 ret = -1;
  65
  66         evsel__delete(evsel);
  67
  68         evsel = evsel__newtp("sched", "sched_wakeup");
  69
  70         if (IS_ERR(evsel)) {
  71                 pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel));
  72                 return -1;
  73         }
  74
  75         if (evsel__test_field(evsel, "comm", 16, false))
  76                 ret = -1;
  77
  78         if (evsel__test_field(evsel, "pid", 4, true))
  79                 ret = -1;
  80
  81         if (evsel__test_field(evsel, "prio", 4, true))
  82                 ret = -1;
  83
  84         if (evsel__test_field(evsel, "target_cpu", 4, true))
  85                 ret = -1;
  86
  87         evsel__delete(evsel);
  88         return ret;
  89 }