[apple/xnu.git] / tools / tests / darwintests / kperf_helpers.c

#include "kperf_helpers.h"

#include <darwintest.h>
#include <kperf/kperf.h>
#include <unistd.h>

void
configure_kperf_stacks_timer(pid_t pid, unsigned int period_ms)
{
    kperf_reset();

    (void)kperf_action_count_set(1);
    (void)kperf_timer_count_set(1);

    T_ASSERT_POSIX_SUCCESS(kperf_action_samplers_set(1,
        KPERF_SAMPLER_USTACK | KPERF_SAMPLER_KSTACK), NULL);

    if (pid != -1) {
        T_ASSERT_POSIX_SUCCESS(kperf_action_filter_set_by_pid(1, pid), NULL);
    }

    T_ASSERT_POSIX_SUCCESS(kperf_timer_action_set(0, 1), NULL);
    T_ASSERT_POSIX_SUCCESS(kperf_timer_period_set(0,
        kperf_ns_to_ticks(period_ms * NSEC_PER_MSEC)), NULL);
}
Commit	Line	Data
39037602 A	1	#include "kperf_helpers.h"
	2
	3	#include <darwintest.h>
	4	#include <kperf/kperf.h>
	5	#include <unistd.h>
	6
	7	void
	8	configure_kperf_stacks_timer(pid_t pid, unsigned int period_ms)
	9	{
	10	kperf_reset();
	11
	12	(void)kperf_action_count_set(1);
	13	(void)kperf_timer_count_set(1);
	14
	15	T_ASSERT_POSIX_SUCCESS(kperf_action_samplers_set(1,
	16	KPERF_SAMPLER_USTACK \| KPERF_SAMPLER_KSTACK), NULL);
	17
	18	if (pid != -1) {
	19	T_ASSERT_POSIX_SUCCESS(kperf_action_filter_set_by_pid(1, pid), NULL);
	20	}
	21
	22	T_ASSERT_POSIX_SUCCESS(kperf_timer_action_set(0, 1), NULL);
	23	T_ASSERT_POSIX_SUCCESS(kperf_timer_period_set(0,
	24	kperf_ns_to_ticks(period_ms * NSEC_PER_MSEC)), NULL);
	25	}