| | 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, bool quiet) |
| | 9 | { |
| | 10 | kperf_reset(); |
| | 11 | |
| | 12 | (void)kperf_action_count_set(1); |
| | 13 | (void)kperf_timer_count_set(1); |
| | 14 | |
| | 15 | if (quiet) { |
| | 16 | T_QUIET; |
| | 17 | } |
| | 18 | T_ASSERT_POSIX_SUCCESS(kperf_action_samplers_set(1, |
| | 19 | KPERF_SAMPLER_USTACK | KPERF_SAMPLER_KSTACK), NULL); |
| | 20 | |
| | 21 | if (pid != -1) { |
| | 22 | if (quiet) { |
| | 23 | T_QUIET; |
| | 24 | } |
| | 25 | T_ASSERT_POSIX_SUCCESS(kperf_action_filter_set_by_pid(1, pid), NULL); |
| | 26 | } |
| | 27 | |
| | 28 | if (quiet) { |
| | 29 | T_QUIET; |
| | 30 | } |
| | 31 | T_ASSERT_POSIX_SUCCESS(kperf_timer_action_set(0, 1), NULL); |
| | 32 | if (quiet) { |
| | 33 | T_QUIET; |
| | 34 | } |
| | 35 | T_ASSERT_POSIX_SUCCESS(kperf_timer_period_set(0, |
| | 36 | kperf_ns_to_ticks(period_ms * NSEC_PER_MSEC)), NULL); |
| | 37 | } |
projects / apple / xnu.git / blame_incremental