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
perf_evsel__test_field(struct evsel * evsel,const char * name,int size,bool should_be_signed)8 static int perf_evsel__test_field(struct evsel *evsel, const char *name,
9 int size, bool should_be_signed)
10 {
11 struct tep_format_field *field = evsel__field(evsel, name);
12 int is_signed;
13 int ret = 0;
14
15 if (field == NULL) {
16 pr_debug("%s: \"%s\" field not found!\n", evsel->name, name);
17 return -1;
18 }
19
20 is_signed = !!(field->flags & TEP_FIELD_IS_SIGNED);
21 if (should_be_signed && !is_signed) {
22 pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n",
23 evsel->name, name, is_signed, should_be_signed);
24 ret = -1;
25 }
26
27 if (field->size != size) {
28 pr_debug("%s: \"%s\" size (%d) should be %d!\n",
29 evsel->name, name, field->size, size);
30 ret = -1;
31 }
32
33 return ret;
34 }
35
test__perf_evsel__tp_sched_test(struct test * test __maybe_unused,int subtest __maybe_unused)36 int test__perf_evsel__tp_sched_test(struct test *test __maybe_unused, 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 (perf_evsel__test_field(evsel, "prev_comm", 16, false))
47 ret = -1;
48
49 if (perf_evsel__test_field(evsel, "prev_pid", 4, true))
50 ret = -1;
51
52 if (perf_evsel__test_field(evsel, "prev_prio", 4, true))
53 ret = -1;
54
55 if (perf_evsel__test_field(evsel, "prev_state", sizeof(long), true))
56 ret = -1;
57
58 if (perf_evsel__test_field(evsel, "next_comm", 16, false))
59 ret = -1;
60
61 if (perf_evsel__test_field(evsel, "next_pid", 4, true))
62 ret = -1;
63
64 if (perf_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 (perf_evsel__test_field(evsel, "comm", 16, false))
77 ret = -1;
78
79 if (perf_evsel__test_field(evsel, "pid", 4, true))
80 ret = -1;
81
82 if (perf_evsel__test_field(evsel, "prio", 4, true))
83 ret = -1;
84
85 if (perf_evsel__test_field(evsel, "target_cpu", 4, true))
86 ret = -1;
87
88 evsel__delete(evsel);
89 return ret;
90 }
91