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(evsel)) {
42		pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel));
43		return -1;
44	}
45
46	if (evsel__test_field(evsel, "prev_comm", 16, false))
47		ret = -1;
48
49	if (evsel__test_field(evsel, "prev_pid", 4, true))
50		ret = -1;
51
52	if (evsel__test_field(evsel, "prev_prio", 4, true))
53		ret = -1;
54
55	if (evsel__test_field(evsel, "prev_state", sizeof(long), true))
56		ret = -1;
57
58	if (evsel__test_field(evsel, "next_comm", 16, false))
59		ret = -1;
60
61	if (evsel__test_field(evsel, "next_pid", 4, true))
62		ret = -1;
63
64	if (evsel__test_field(evsel, "next_prio", 4, true))
65		ret = -1;
66
67	evsel__delete(evsel);
68
69	evsel = evsel__newtp("sched", "sched_wakeup");
70
71	if (IS_ERR(evsel)) {
72		pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel));
73		return -1;
74	}
75
76	if (evsel__test_field(evsel, "comm", 16, false))
77		ret = -1;
78
79	if (evsel__test_field(evsel, "pid", 4, true))
80		ret = -1;
81
82	if (evsel__test_field(evsel, "prio", 4, true))
83		ret = -1;
84
85	if (evsel__test_field(evsel, "target_cpu", 4, 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