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add lower boundary for artifical latencies

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2276 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2008-04-20 19:44:33 +00:00
parent af256978de
commit 03df08872d
1 changed files with 17 additions and 5 deletions
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22
src/tests/rtstutter.c
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@ -39,7 +39,7 @@
#include <pulsecore/log.h> #include <pulsecore/log.h>
#include <pulsecore/macro.h> #include <pulsecore/macro.h>
static int msec; static int msec_lower, msec_upper;
static void* work(void *p) PA_GCC_NORETURN; 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); 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)); 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)); 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++) { for (n = 1; n < sysconf(_SC_NPROCESSORS_CONF); n++) {
pthread_t t; pthread_t t;