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
8static 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
35static int test__perf_evsel__tp_sched_test(struct test_suite *test __maybe_unused,
36 int subtest __maybe_unused)
37{
38 struct evsel *evsel = evsel__newtp("sched", "sched_switch");
39 int ret = 0;
40
41 if (IS_ERR(ptr: evsel)) {
42 pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(ptr: evsel));
43 return -1;
44 }
45
46 if (evsel__test_field(evsel, name: "prev_comm", size: 16, should_be_signed: false))
47 ret = -1;
48
49 if (evsel__test_field(evsel, name: "prev_pid", size: 4, should_be_signed: true))
50 ret = -1;
51
52 if (evsel__test_field(evsel, name: "prev_prio", size: 4, should_be_signed: true))
53 ret = -1;
54
55 if (evsel__test_field(evsel, name: "prev_state", size: sizeof(long), should_be_signed: true))
56 ret = -1;
57
58 if (evsel__test_field(evsel, name: "next_comm", size: 16, should_be_signed: false))
59 ret = -1;
60
61 if (evsel__test_field(evsel, name: "next_pid", size: 4, should_be_signed: true))
62 ret = -1;
63
64 if (evsel__test_field(evsel, name: "next_prio", size: 4, should_be_signed: true))
65 ret = -1;
66
67 evsel__delete(evsel);
68
69 evsel = evsel__newtp("sched", "sched_wakeup");
70
71 if (IS_ERR(ptr: evsel)) {
72 pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(ptr: evsel));
73 return -1;
74 }
75
76 if (evsel__test_field(evsel, name: "comm", size: 16, should_be_signed: false))
77 ret = -1;
78
79 if (evsel__test_field(evsel, name: "pid", size: 4, should_be_signed: true))
80 ret = -1;
81
82 if (evsel__test_field(evsel, name: "prio", size: 4, should_be_signed: true))
83 ret = -1;
84
85 if (evsel__test_field(evsel, name: "target_cpu", size: 4, should_be_signed: true))
86 ret = -1;
87
88 evsel__delete(evsel);
89 return ret;
90}
91
92DEFINE_SUITE("Parse sched tracepoints fields", perf_evsel__tp_sched_test);
93

source code of linux/tools/perf/tests/evsel-tp-sched.c