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-rw-r--r--tools/perf/bench/futex-hash.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c
index 65eebe06c04d..915bf3da7ce2 100644
--- a/tools/perf/bench/futex-hash.c
+++ b/tools/perf/bench/futex-hash.c
@@ -205,7 +205,8 @@ int bench_futex_hash(int argc, const char **argv)
pthread_mutex_destroy(&thread_lock);
for (i = 0; i < nthreads; i++) {
- unsigned long t = worker[i].ops / bench__runtime.tv_sec;
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
update_stats(&throughput_stats, t);
if (!silent) {
if (nfutexes == 1)