diff options
Diffstat (limited to 'TamTamMini.activity/common/Util/Clooper/ttest.c')
-rw-r--r-- | TamTamMini.activity/common/Util/Clooper/ttest.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/TamTamMini.activity/common/Util/Clooper/ttest.c b/TamTamMini.activity/common/Util/Clooper/ttest.c deleted file mode 100644 index 9ff3d85..0000000 --- a/TamTamMini.activity/common/Util/Clooper/ttest.c +++ /dev/null @@ -1,53 +0,0 @@ - -#include <pthread.h> -#include <stdio.h> -#include <time.h> -#include <unistd.h> -#include <sys/time.h> - -double sleeptime = 0.0; -int usleep(int); -static void * threadfn(void * _arg) -{ - double pytime(const struct timeval * tv) - { - return (double) tv->tv_sec + (double) tv->tv_usec / 1000000.0; - } - struct timeval tv0, tv1; - double m = 0.0; - - int loops = 0; - - while (1) - { - gettimeofday(&tv0, 0); - usleep( (int) (sleeptime * 1000000) ); - gettimeofday(&tv1, 0); - double t0 = pytime(&tv0); - double t1 = pytime(&tv1); - if (t1 - t0 > 1.2 * sleeptime) - { - fprintf(stderr, "critical lagginess %lf\n", t1 - t0); - } - if (m < t1 - t0) - { - 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(double st) -{ - pthread_t pth; - sleeptime = st; - - pthread_create( &pth, NULL, &threadfn, NULL ); -} - |