From 03df08872df4bd6b1266b1928bb74d8595dcc2c8 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 20 Apr 2008 19:44:33 +0000 Subject: [PATCH] add lower boundary for artifical latencies git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2276 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/tests/rtstutter.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/src/tests/rtstutter.c b/src/tests/rtstutter.c index a7d1b04..39dfc5d 100644 --- a/src/tests/rtstutter.c +++ b/src/tests/rtstutter.c @@ -39,7 +39,7 @@ #include #include -static int msec; +static int msec_lower, msec_upper; static void* work(void *p) PA_GCC_NORETURN; @@ -66,7 +66,9 @@ static void* work(void *p) { pa_assert_se(clock_gettime(CLOCK_REALTIME, &end) == 0); - nsec = (uint64_t) ((((double) rand())*msec*PA_NSEC_PER_MSEC)/RAND_MAX); + nsec = + (uint64_t) ((((double) rand())*(msec_upper-msec_lower)*PA_NSEC_PER_MSEC)/RAND_MAX) + + (uint64_t) (msec_lower*PA_NSEC_PER_MSEC); pa_log_notice("CPU%i: Freezing for %ims", PA_PTR_TO_INT(p), (int) (nsec/PA_NSEC_PER_MSEC)); @@ -90,11 +92,21 @@ int main(int argc, char*argv[]) { srand(time(NULL)); - msec = argc > 1 ? atoi(argv[1]) : 1000; + if (argc >= 3) { + msec_lower = atoi(argv[1]); + msec_upper = atoi(argv[2]); + } else if (argc >= 2) { + msec_lower = 0; + msec_upper = atoi(argv[1]); + } else { + msec_lower = 0; + msec_upper = 1000; + } - pa_assert(msec > 0); + pa_assert(msec_upper > 0); + pa_assert(msec_upper >= msec_lower); - pa_log_notice("Creating random latencies of up to %ims.", msec); + pa_log_notice("Creating random latencies in the range of %ims to %ims.", msec_lower, msec_upper); for (n = 1; n < sysconf(_SC_NPROCESSORS_CONF); n++) { pthread_t t; -- 2.7.4