diff options
Diffstat (limited to 'tools/perf/bench/futex-wake.c')
| -rw-r--r-- | tools/perf/bench/futex-wake.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c index 9ecab6620a87..18a5894af8bb 100644 --- a/tools/perf/bench/futex-wake.c +++ b/tools/perf/bench/futex-wake.c @@ -95,8 +95,7 @@ static void print_summary(void) rel_stddev_stats(waketime_stddev, waketime_avg)); } -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; @@ -110,6 +109,9 @@ static void block_threads(pthread_t *w, /* 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); @@ -122,6 +124,7 @@ static void block_threads(pthread_t *w, CPU_FREE(cpuset); err(EXIT_FAILURE, "pthread_create"); } + pthread_attr_destroy(&thread_attr); } CPU_FREE(cpuset); } @@ -138,7 +141,6 @@ int bench_futex_wake(int argc, const char **argv) int ret = 0; unsigned int i, j; struct sigaction act; - pthread_attr_t thread_attr; struct perf_cpu_map *cpu; argc = parse_options(argc, argv, options, bench_futex_wake_usage, 0); @@ -178,7 +180,6 @@ int bench_futex_wake(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); @@ -188,7 +189,7 @@ int bench_futex_wake(int argc, const char **argv) struct timeval start, end, runtime; /* create, launch & block all threads */ - block_threads(worker, thread_attr, cpu); + block_threads(worker, cpu); /* make sure all threads are already blocked */ mutex_lock(&thread_lock); @@ -228,7 +229,6 @@ int bench_futex_wake(int argc, const char **argv) cond_destroy(&thread_parent); cond_destroy(&thread_worker); mutex_destroy(&thread_lock); - pthread_attr_destroy(&thread_attr); print_summary(); |