diff options
Diffstat (limited to 'tools/perf/bench/futex-wake.c')
| -rw-r--r-- | tools/perf/bench/futex-wake.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c index 49b3c89b0b35..8d6107f7cd94 100644 --- a/tools/perf/bench/futex-wake.c +++ b/tools/perf/bench/futex-wake.c @@ -42,6 +42,7 @@ static unsigned int threads_starting; static int futex_flag = 0; static struct bench_futex_parameters params = { + .nbuckets = -1, /* * How many wakeups to do at a time. * Default to 1 in order to make the kernel work more. @@ -50,6 +51,8 @@ static struct bench_futex_parameters params = { }; static const struct option options[] = { + OPT_INTEGER( 'b', "buckets", ¶ms.nbuckets, "Specify amount of hash buckets"), + OPT_BOOLEAN( 'I', "immutable", ¶ms.buckets_immutable, "Make the hash buckets immutable"), OPT_UINTEGER('t', "threads", ¶ms.nthreads, "Specify amount of threads"), OPT_UINTEGER('w', "nwakes", ¶ms.nwakes, "Specify amount of threads to wake at once"), OPT_BOOLEAN( 's', "silent", ¶ms.silent, "Silent mode: do not display data/details"), @@ -93,6 +96,7 @@ static void print_summary(void) params.nthreads, waketime_avg / USEC_PER_MSEC, rel_stddev_stats(waketime_stddev, waketime_avg)); + futex_print_nbuckets(¶ms); } static void block_threads(pthread_t *w, struct perf_cpu_map *cpu) |