projects/linux·blob master · refs

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1// SPDX-License-Identifier: GPL-2.0
2#include <linux/compiler.h>
3#include <perf/cpumap.h>
4#include <string.h>
5#include "cpumap.h"
6#include "evlist.h"
7#include "evsel.h"
8#include "header.h"
9#include "machine.h"
10#include "util/synthetic-events.h"
11#include "target.h"
12#include "tool.h"
13#include "tests.h"
14#include "debug.h"
15
16static int process_event_unit(const struct perf_tool *tool __maybe_unused,
17 union perf_event *event,
18 struct perf_sample *sample __maybe_unused,
19 struct machine *machine __maybe_unused)
20{
21 struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
22
23 TEST_ASSERT_VAL("wrong id", ev->id == 123);
24 TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__UNIT);
25 TEST_ASSERT_VAL("wrong unit", !strcmp(ev->unit, "KRAVA"));
26 return 0;
27}
28
29static int process_event_scale(const struct perf_tool *tool __maybe_unused,
30 union perf_event *event,
31 struct perf_sample *sample __maybe_unused,
32 struct machine *machine __maybe_unused)
33{
34 struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
35
36 TEST_ASSERT_VAL("wrong id", ev->id == 123);
37 TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__SCALE);
38 TEST_ASSERT_VAL("wrong scale", ev->scale.scale == 0.123);
39 return 0;
40}
41
42struct event_name {
43 struct perf_tool tool;
44 const char *name;
45};
46
47static int process_event_name(const struct perf_tool *tool,
48 union perf_event *event,
49 struct perf_sample *sample __maybe_unused,
50 struct machine *machine __maybe_unused)
51{
52 struct event_name *tmp = container_of(tool, struct event_name, tool);
53 struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
54
55 TEST_ASSERT_VAL("wrong id", ev->id == 123);
56 TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__NAME);
57 TEST_ASSERT_VAL("wrong name", !strcmp(ev->name, tmp->name));
58 return 0;
59}
60
61static int process_event_cpus(const struct perf_tool *tool __maybe_unused,
62 union perf_event *event,
63 struct perf_sample *sample __maybe_unused,
64 struct machine *machine __maybe_unused)
65{
66 struct perf_record_event_update *ev = (struct perf_record_event_update *)event;
67 struct perf_cpu_map *map;
68
69 map = cpu_map__new_data(&ev->cpus.cpus);
70
71 TEST_ASSERT_VAL("wrong id", ev->id == 123);
72 TEST_ASSERT_VAL("wrong type", ev->type == PERF_EVENT_UPDATE__CPUS);
73 TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__nr(map) == 3);
74 TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__cpu(map, 0).cpu == 1);
75 TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__cpu(map, 1).cpu == 2);
76 TEST_ASSERT_VAL("wrong cpus", perf_cpu_map__cpu(map, 2).cpu == 3);
77 perf_cpu_map__put(map);
78 return 0;
79}
80
81static int test__event_update(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
82{
83 struct evsel *evsel;
84 struct event_name tmp;
85 struct target target = {};
86 struct evlist *evlist = evlist__new_default(&target, /*sample_callchains=*/false);
87
88 TEST_ASSERT_VAL("failed to get evlist", evlist);
89
90 evsel = evlist__first(evlist);
91
92 TEST_ASSERT_VAL("failed to allocate ids",
93 !perf_evsel__alloc_id(&evsel->core, 1, 1));
94
95 perf_evlist__id_add(evlist__core(evlist), &evsel->core, 0, 0, 123);
96
97 free((char *)evsel->unit);
98 evsel->unit = strdup("KRAVA");
99
100 TEST_ASSERT_VAL("failed to synthesize attr update unit",
101 !perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit));
102
103 evsel->scale = 0.123;
104
105 TEST_ASSERT_VAL("failed to synthesize attr update scale",
106 !perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale));
107
108 perf_tool__init(&tmp.tool, /*ordered_events=*/false);
109 tmp.name = evsel__name(evsel);
110
111 TEST_ASSERT_VAL("failed to synthesize attr update name",
112 !perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name));
113
114 perf_cpu_map__put(evsel->core.pmu_cpus);
115 evsel->core.pmu_cpus = perf_cpu_map__new("1,2,3");
116
117 TEST_ASSERT_VAL("failed to synthesize attr update cpus",
118 !perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus));
119
120 evlist__put(evlist);
121 return 0;
122}
123
124DEFINE_SUITE("Synthesize attr update", event_update);