1*43a90889SApple OSS Distributions // Copyright (c) 2018-2020 Apple Inc. All rights reserved.
2*43a90889SApple OSS Distributions
3*43a90889SApple OSS Distributions #include "kperf_helpers.h"
4*43a90889SApple OSS Distributions
5*43a90889SApple OSS Distributions #include <darwintest.h>
6*43a90889SApple OSS Distributions #include <kperf/kperf.h>
7*43a90889SApple OSS Distributions #include <unistd.h>
8*43a90889SApple OSS Distributions
9*43a90889SApple OSS Distributions void
configure_kperf_stacks_timer(pid_t pid,unsigned int period_ms,bool quiet)10*43a90889SApple OSS Distributions configure_kperf_stacks_timer(pid_t pid, unsigned int period_ms, bool quiet)
11*43a90889SApple OSS Distributions {
12*43a90889SApple OSS Distributions kperf_reset();
13*43a90889SApple OSS Distributions
14*43a90889SApple OSS Distributions (void)kperf_action_count_set(1);
15*43a90889SApple OSS Distributions (void)kperf_timer_count_set(1);
16*43a90889SApple OSS Distributions
17*43a90889SApple OSS Distributions if (quiet) {
18*43a90889SApple OSS Distributions T_QUIET;
19*43a90889SApple OSS Distributions }
20*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_action_samplers_set(1,
21*43a90889SApple OSS Distributions KPERF_SAMPLER_USTACK | KPERF_SAMPLER_KSTACK), NULL);
22*43a90889SApple OSS Distributions
23*43a90889SApple OSS Distributions if (pid != -1) {
24*43a90889SApple OSS Distributions if (quiet) {
25*43a90889SApple OSS Distributions T_QUIET;
26*43a90889SApple OSS Distributions }
27*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_action_filter_set_by_pid(1, pid), NULL);
28*43a90889SApple OSS Distributions }
29*43a90889SApple OSS Distributions
30*43a90889SApple OSS Distributions if (quiet) {
31*43a90889SApple OSS Distributions T_QUIET;
32*43a90889SApple OSS Distributions }
33*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_timer_action_set(0, 1), NULL);
34*43a90889SApple OSS Distributions if (quiet) {
35*43a90889SApple OSS Distributions T_QUIET;
36*43a90889SApple OSS Distributions }
37*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(kperf_timer_period_set(0,
38*43a90889SApple OSS Distributions kperf_ns_to_ticks(period_ms * NSEC_PER_MSEC)), NULL);
39*43a90889SApple OSS Distributions }
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