1*c54f35caSApple OSS Distributions // Copyright (c) 2018-2020 Apple Inc. All rights reserved.
2*c54f35caSApple OSS Distributions
3*c54f35caSApple OSS Distributions #include "kperf_helpers.h"
4*c54f35caSApple OSS Distributions
5*c54f35caSApple OSS Distributions #include <darwintest.h>
6*c54f35caSApple OSS Distributions #include <kperf/kperf.h>
7*c54f35caSApple OSS Distributions #include <unistd.h>
8*c54f35caSApple OSS Distributions
9*c54f35caSApple OSS Distributions void
configure_kperf_stacks_timer(pid_t pid,unsigned int period_ms,bool quiet)10*c54f35caSApple OSS Distributions configure_kperf_stacks_timer(pid_t pid, unsigned int period_ms, bool quiet)
11*c54f35caSApple OSS Distributions {
12*c54f35caSApple OSS Distributions kperf_reset();
13*c54f35caSApple OSS Distributions
14*c54f35caSApple OSS Distributions (void)kperf_action_count_set(1);
15*c54f35caSApple OSS Distributions (void)kperf_timer_count_set(1);
16*c54f35caSApple OSS Distributions
17*c54f35caSApple OSS Distributions if (quiet) {
18*c54f35caSApple OSS Distributions T_QUIET;
19*c54f35caSApple OSS Distributions }
20*c54f35caSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_action_samplers_set(1,
21*c54f35caSApple OSS Distributions KPERF_SAMPLER_USTACK | KPERF_SAMPLER_KSTACK), NULL);
22*c54f35caSApple OSS Distributions
23*c54f35caSApple OSS Distributions if (pid != -1) {
24*c54f35caSApple OSS Distributions if (quiet) {
25*c54f35caSApple OSS Distributions T_QUIET;
26*c54f35caSApple OSS Distributions }
27*c54f35caSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_action_filter_set_by_pid(1, pid), NULL);
28*c54f35caSApple OSS Distributions }
29*c54f35caSApple OSS Distributions
30*c54f35caSApple OSS Distributions if (quiet) {
31*c54f35caSApple OSS Distributions T_QUIET;
32*c54f35caSApple OSS Distributions }
33*c54f35caSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_timer_action_set(0, 1), NULL);
34*c54f35caSApple OSS Distributions if (quiet) {
35*c54f35caSApple OSS Distributions T_QUIET;
36*c54f35caSApple OSS Distributions }
37*c54f35caSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_timer_period_set(0,
38*c54f35caSApple OSS Distributions kperf_ns_to_ticks(period_ms * NSEC_PER_MSEC)), NULL);
39*c54f35caSApple OSS Distributions }
40