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Diffstat (limited to 'tools/perf/bench/futex-lock-pi.c')
-rw-r--r--tools/perf/bench/futex-lock-pi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c
index 0416120c091b..40640b674427 100644
--- a/tools/perf/bench/futex-lock-pi.c
+++ b/tools/perf/bench/futex-lock-pi.c
@@ -41,10 +41,12 @@ static struct stats throughput_stats;
static struct cond thread_parent, thread_worker;
static struct bench_futex_parameters params = {
+ .nbuckets = -1,
.runtime = 10,
};
static const struct option options[] = {
+ OPT_INTEGER( 'b', "buckets", &params.nbuckets, "Specify amount of hash buckets"),
OPT_UINTEGER('t', "threads", &params.nthreads, "Specify amount of threads"),
OPT_UINTEGER('r', "runtime", &params.runtime, "Specify runtime (in seconds)"),
OPT_BOOLEAN( 'M', "multi", &params.multi, "Use multiple futexes"),
@@ -67,6 +69,7 @@ static void print_summary(void)
printf("%sAveraged %ld operations/sec (+- %.2f%%), total secs = %d\n",
!params.silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
(int)bench__runtime.tv_sec);
+ futex_print_nbuckets(&params);
}
static void toggle_done(int sig __maybe_unused,
@@ -203,6 +206,7 @@ int bench_futex_lock_pi(int argc, const char **argv)
mutex_init(&thread_lock);
cond_init(&thread_parent);
cond_init(&thread_worker);
+ futex_set_nbuckets_param(&params);
threads_starting = params.nthreads;
gettimeofday(&bench__start, NULL);