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 static 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 
92 DEFINE_SUITE("Parse sched tracepoints fields", perf_evsel__tp_sched_test);
93