diff options
Diffstat (limited to 'tools/perf/tests/workloads/thloop.c')
| -rw-r--r-- | tools/perf/tests/workloads/thloop.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/tools/perf/tests/workloads/thloop.c b/tools/perf/tests/workloads/thloop.c index bd8168f883fb..c830d739489f 100644 --- a/tools/perf/tests/workloads/thloop.c +++ b/tools/perf/tests/workloads/thloop.c @@ -31,14 +31,15 @@ static void *thfunc(void *arg) static int thloop(int argc, const char **argv) { - int nt = 2, sec = 1, err = 1; + int nt = 2, err = 1; + double sec = 1.0; pthread_t *thread_list = NULL; if (argc > 0) - sec = atoi(argv[0]); + sec = atof(argv[0]); - if (sec <= 0) { - fprintf(stderr, "Error: seconds (%d) must be >= 1\n", sec); + if (!(sec > 0.0)) { + fprintf(stderr, "Error: seconds (%f) must be > 0\n", sec); return 1; } @@ -67,7 +68,12 @@ static int thloop(int argc, const char **argv) goto out; } } - alarm(sec); + if (sec < 1.0) { + useconds_t usecs = (useconds_t)(sec * 1000000.0); + + ualarm(usecs > 0 ? usecs : 1, 0); + } else + alarm((unsigned int)sec); test_loop(); err = 0; out: |