1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <stdarg.h>
3*4882a593Smuzhiyun #include <stdio.h>
4*4882a593Smuzhiyun #include <linux/perf_event.h>
5*4882a593Smuzhiyun #include <perf/cpumap.h>
6*4882a593Smuzhiyun #include <perf/threadmap.h>
7*4882a593Smuzhiyun #include <perf/evsel.h>
8*4882a593Smuzhiyun #include <internal/tests.h>
9*4882a593Smuzhiyun
libperf_print(enum libperf_print_level level,const char * fmt,va_list ap)10*4882a593Smuzhiyun static int libperf_print(enum libperf_print_level level,
11*4882a593Smuzhiyun const char *fmt, va_list ap)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun return vfprintf(stderr, fmt, ap);
14*4882a593Smuzhiyun }
15*4882a593Smuzhiyun
test_stat_cpu(void)16*4882a593Smuzhiyun static int test_stat_cpu(void)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun struct perf_cpu_map *cpus;
19*4882a593Smuzhiyun struct perf_evsel *evsel;
20*4882a593Smuzhiyun struct perf_event_attr attr = {
21*4882a593Smuzhiyun .type = PERF_TYPE_SOFTWARE,
22*4882a593Smuzhiyun .config = PERF_COUNT_SW_CPU_CLOCK,
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun int err, idx;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun cpus = perf_cpu_map__new(NULL);
27*4882a593Smuzhiyun __T("failed to create cpus", cpus);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun evsel = perf_evsel__new(&attr);
30*4882a593Smuzhiyun __T("failed to create evsel", evsel);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun err = perf_evsel__open(evsel, cpus, NULL);
33*4882a593Smuzhiyun __T("failed to open evsel", err == 0);
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun for (idx = 0; idx < perf_cpu_map__nr(cpus); idx++) {
36*4882a593Smuzhiyun struct perf_counts_values counts = { .val = 0 };
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun perf_evsel__read(evsel, idx, 0, &counts);
39*4882a593Smuzhiyun __T("failed to read value for evsel", counts.val != 0);
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun perf_evsel__close(evsel);
43*4882a593Smuzhiyun perf_evsel__delete(evsel);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun perf_cpu_map__put(cpus);
46*4882a593Smuzhiyun return 0;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
test_stat_thread(void)49*4882a593Smuzhiyun static int test_stat_thread(void)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun struct perf_counts_values counts = { .val = 0 };
52*4882a593Smuzhiyun struct perf_thread_map *threads;
53*4882a593Smuzhiyun struct perf_evsel *evsel;
54*4882a593Smuzhiyun struct perf_event_attr attr = {
55*4882a593Smuzhiyun .type = PERF_TYPE_SOFTWARE,
56*4882a593Smuzhiyun .config = PERF_COUNT_SW_TASK_CLOCK,
57*4882a593Smuzhiyun };
58*4882a593Smuzhiyun int err;
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun threads = perf_thread_map__new_dummy();
61*4882a593Smuzhiyun __T("failed to create threads", threads);
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun perf_thread_map__set_pid(threads, 0, 0);
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun evsel = perf_evsel__new(&attr);
66*4882a593Smuzhiyun __T("failed to create evsel", evsel);
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun err = perf_evsel__open(evsel, NULL, threads);
69*4882a593Smuzhiyun __T("failed to open evsel", err == 0);
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun perf_evsel__read(evsel, 0, 0, &counts);
72*4882a593Smuzhiyun __T("failed to read value for evsel", counts.val != 0);
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun perf_evsel__close(evsel);
75*4882a593Smuzhiyun perf_evsel__delete(evsel);
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun perf_thread_map__put(threads);
78*4882a593Smuzhiyun return 0;
79*4882a593Smuzhiyun }
80*4882a593Smuzhiyun
test_stat_thread_enable(void)81*4882a593Smuzhiyun static int test_stat_thread_enable(void)
82*4882a593Smuzhiyun {
83*4882a593Smuzhiyun struct perf_counts_values counts = { .val = 0 };
84*4882a593Smuzhiyun struct perf_thread_map *threads;
85*4882a593Smuzhiyun struct perf_evsel *evsel;
86*4882a593Smuzhiyun struct perf_event_attr attr = {
87*4882a593Smuzhiyun .type = PERF_TYPE_SOFTWARE,
88*4882a593Smuzhiyun .config = PERF_COUNT_SW_TASK_CLOCK,
89*4882a593Smuzhiyun .disabled = 1,
90*4882a593Smuzhiyun };
91*4882a593Smuzhiyun int err;
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun threads = perf_thread_map__new_dummy();
94*4882a593Smuzhiyun __T("failed to create threads", threads);
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun perf_thread_map__set_pid(threads, 0, 0);
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun evsel = perf_evsel__new(&attr);
99*4882a593Smuzhiyun __T("failed to create evsel", evsel);
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun err = perf_evsel__open(evsel, NULL, threads);
102*4882a593Smuzhiyun __T("failed to open evsel", err == 0);
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun perf_evsel__read(evsel, 0, 0, &counts);
105*4882a593Smuzhiyun __T("failed to read value for evsel", counts.val == 0);
106*4882a593Smuzhiyun
107*4882a593Smuzhiyun err = perf_evsel__enable(evsel);
108*4882a593Smuzhiyun __T("failed to enable evsel", err == 0);
109*4882a593Smuzhiyun
110*4882a593Smuzhiyun perf_evsel__read(evsel, 0, 0, &counts);
111*4882a593Smuzhiyun __T("failed to read value for evsel", counts.val != 0);
112*4882a593Smuzhiyun
113*4882a593Smuzhiyun err = perf_evsel__disable(evsel);
114*4882a593Smuzhiyun __T("failed to enable evsel", err == 0);
115*4882a593Smuzhiyun
116*4882a593Smuzhiyun perf_evsel__close(evsel);
117*4882a593Smuzhiyun perf_evsel__delete(evsel);
118*4882a593Smuzhiyun
119*4882a593Smuzhiyun perf_thread_map__put(threads);
120*4882a593Smuzhiyun return 0;
121*4882a593Smuzhiyun }
122*4882a593Smuzhiyun
main(int argc,char ** argv)123*4882a593Smuzhiyun int main(int argc, char **argv)
124*4882a593Smuzhiyun {
125*4882a593Smuzhiyun __T_START;
126*4882a593Smuzhiyun
127*4882a593Smuzhiyun libperf_init(libperf_print);
128*4882a593Smuzhiyun
129*4882a593Smuzhiyun test_stat_cpu();
130*4882a593Smuzhiyun test_stat_thread();
131*4882a593Smuzhiyun test_stat_thread_enable();
132*4882a593Smuzhiyun
133*4882a593Smuzhiyun __T_END;
134*4882a593Smuzhiyun return tests_failed == 0 ? 0 : -1;
135*4882a593Smuzhiyun }
136