diff options
Diffstat (limited to 'tools/perf/bench/futex-wake-parallel.c')
| -rw-r--r-- | tools/perf/bench/futex-wake-parallel.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c index 6682e49d0ee0..5ab0234d74e6 100644 --- a/tools/perf/bench/futex-wake-parallel.c +++ b/tools/perf/bench/futex-wake-parallel.c @@ -95,10 +95,12 @@ static void *waking_workerfn(void *arg) return NULL; } -static void wakeup_threads(struct thread_data *td, pthread_attr_t thread_attr) +static void wakeup_threads(struct thread_data *td) { unsigned int i; + pthread_attr_t thread_attr; + pthread_attr_init(&thread_attr); pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE); pthread_barrier_init(&barrier, NULL, params.nwakes + 1); @@ -122,6 +124,7 @@ static void wakeup_threads(struct thread_data *td, pthread_attr_t thread_attr) err(EXIT_FAILURE, "pthread_join"); pthread_barrier_destroy(&barrier); + pthread_attr_destroy(&thread_attr); } static void *blocked_workerfn(void *arg __maybe_unused) @@ -142,8 +145,7 @@ static void *blocked_workerfn(void *arg __maybe_unused) return NULL; } -static void block_threads(pthread_t *w, pthread_attr_t thread_attr, - struct perf_cpu_map *cpu) +static void block_threads(pthread_t *w, struct perf_cpu_map *cpu) { cpu_set_t *cpuset; unsigned int i; @@ -158,6 +160,9 @@ static void block_threads(pthread_t *w, pthread_attr_t thread_attr, /* create and block all threads */ for (i = 0; i < params.nthreads; i++) { + pthread_attr_t thread_attr; + + pthread_attr_init(&thread_attr); CPU_ZERO_S(size, cpuset); CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, size, cpuset); @@ -170,6 +175,7 @@ static void block_threads(pthread_t *w, pthread_attr_t thread_attr, CPU_FREE(cpuset); err(EXIT_FAILURE, "pthread_create"); } + pthread_attr_destroy(&thread_attr); } CPU_FREE(cpuset); } @@ -238,7 +244,6 @@ int bench_futex_wake_parallel(int argc, const char **argv) int ret = 0; unsigned int i, j; struct sigaction act; - pthread_attr_t thread_attr; struct thread_data *waking_worker; struct perf_cpu_map *cpu; @@ -294,7 +299,6 @@ int bench_futex_wake_parallel(int argc, const char **argv) init_stats(&wakeup_stats); init_stats(&waketime_stats); - pthread_attr_init(&thread_attr); mutex_init(&thread_lock); cond_init(&thread_parent); cond_init(&thread_worker); @@ -305,7 +309,7 @@ int bench_futex_wake_parallel(int argc, const char **argv) err(EXIT_FAILURE, "calloc"); /* create, launch & block all threads */ - block_threads(blocked_worker, thread_attr, cpu); + block_threads(blocked_worker, cpu); /* make sure all threads are already blocked */ mutex_lock(&thread_lock); @@ -317,7 +321,7 @@ int bench_futex_wake_parallel(int argc, const char **argv) usleep(100000); /* Ok, all threads are patiently blocked, start waking folks up */ - wakeup_threads(waking_worker, thread_attr); + wakeup_threads(waking_worker); for (i = 0; i < params.nthreads; i++) { ret = pthread_join(blocked_worker[i], NULL); @@ -336,7 +340,6 @@ int bench_futex_wake_parallel(int argc, const char **argv) cond_destroy(&thread_parent); cond_destroy(&thread_worker); mutex_destroy(&thread_lock); - pthread_attr_destroy(&thread_attr); print_summary(); |