1*0f4c859eSApple OSS Distributions // Copyright (c) 2018-2020 Apple Inc. All rights reserved.
2*0f4c859eSApple OSS Distributions
3*0f4c859eSApple OSS Distributions #include "kperf_helpers.h"
4*0f4c859eSApple OSS Distributions
5*0f4c859eSApple OSS Distributions #include <darwintest.h>
6*0f4c859eSApple OSS Distributions #include <kperf/kperf.h>
7*0f4c859eSApple OSS Distributions #include <unistd.h>
8*0f4c859eSApple OSS Distributions
9*0f4c859eSApple OSS Distributions void
configure_kperf_stacks_timer(pid_t pid,unsigned int period_ms,bool quiet)10*0f4c859eSApple OSS Distributions configure_kperf_stacks_timer(pid_t pid, unsigned int period_ms, bool quiet)
11*0f4c859eSApple OSS Distributions {
12*0f4c859eSApple OSS Distributions kperf_reset();
13*0f4c859eSApple OSS Distributions
14*0f4c859eSApple OSS Distributions (void)kperf_action_count_set(1);
15*0f4c859eSApple OSS Distributions (void)kperf_timer_count_set(1);
16*0f4c859eSApple OSS Distributions
17*0f4c859eSApple OSS Distributions if (quiet) {
18*0f4c859eSApple OSS Distributions T_QUIET;
19*0f4c859eSApple OSS Distributions }
20*0f4c859eSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_action_samplers_set(1,
21*0f4c859eSApple OSS Distributions KPERF_SAMPLER_USTACK | KPERF_SAMPLER_KSTACK), NULL);
22*0f4c859eSApple OSS Distributions
23*0f4c859eSApple OSS Distributions if (pid != -1) {
24*0f4c859eSApple OSS Distributions if (quiet) {
25*0f4c859eSApple OSS Distributions T_QUIET;
26*0f4c859eSApple OSS Distributions }
27*0f4c859eSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_action_filter_set_by_pid(1, pid), NULL);
28*0f4c859eSApple OSS Distributions }
29*0f4c859eSApple OSS Distributions
30*0f4c859eSApple OSS Distributions if (quiet) {
31*0f4c859eSApple OSS Distributions T_QUIET;
32*0f4c859eSApple OSS Distributions }
33*0f4c859eSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_timer_action_set(0, 1), NULL);
34*0f4c859eSApple OSS Distributions if (quiet) {
35*0f4c859eSApple OSS Distributions T_QUIET;
36*0f4c859eSApple OSS Distributions }
37*0f4c859eSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_timer_period_set(0,
38*0f4c859eSApple OSS Distributions kperf_ns_to_ticks(period_ms * NSEC_PER_MSEC)), NULL);
39*0f4c859eSApple OSS Distributions }
40