diff options
Diffstat (limited to 'Util/Clooper/ttest.c')
| -rw-r--r-- | Util/Clooper/ttest.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/Util/Clooper/ttest.c b/Util/Clooper/ttest.c index d18cace..9ff3d85 100644 --- a/Util/Clooper/ttest.c +++ b/Util/Clooper/ttest.c @@ -5,6 +5,7 @@ #include <unistd.h> #include <sys/time.h> +double sleeptime = 0.0; int usleep(int); static void * threadfn(void * _arg) { @@ -14,7 +15,8 @@ static void * threadfn(void * _arg) } struct timeval tv0, tv1; double m = 0.0; - double sleeptime = 0.05; + + int loops = 0; while (1) { @@ -23,7 +25,7 @@ static void * threadfn(void * _arg) gettimeofday(&tv1, 0); double t0 = pytime(&tv0); double t1 = pytime(&tv1); - if (t1 - t0 > 2.0 * sleeptime) + if (t1 - t0 > 1.2 * sleeptime) { fprintf(stderr, "critical lagginess %lf\n", t1 - t0); } @@ -32,12 +34,19 @@ static void * threadfn(void * _arg) m = t1 - t0; fprintf(stderr, "maximum lag %lf\n", m); } + + if ( ( loops % 100 ) == 0 ) + { + fprintf(stderr, "loop (%lf)\n", t0); + } + ++loops; } return NULL; } -void testtimer() +void testtimer(double st) { pthread_t pth; + sleeptime = st; pthread_create( &pth, NULL, &threadfn, NULL ); } |