X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_mutex.c;fp=tests%2Ftest_mutex.c;h=f3139cc3301dc46e0865c333f1926a860038380c;hp=7fb036d1632361f780b6c6281e1704af5cb28605;hb=31b598e0bb2fde285afa63986613e632e98b104d;hpb=e0b9d030de531a131377520a297f4476ff9c96f7 diff --git a/tests/test_mutex.c b/tests/test_mutex.c index 7fb036d..f3139cc 100644 --- a/tests/test_mutex.c +++ b/tests/test_mutex.c @@ -79,6 +79,9 @@ static unsigned long duration; /* read-side C.S. duration, in loops */ static unsigned long rduration; +/* write-side C.S. duration, in loops */ +static unsigned long wduration; + static inline void loop_sleep(unsigned long l) { while(l-- != 0) @@ -232,6 +235,8 @@ void *thr_writer(void *data) pthread_mutex_lock(&lock); test_array.a = 0; test_array.a = 8; + if (unlikely(wduration)) + loop_sleep(wduration); pthread_mutex_unlock(&lock); nr_writes++; if (unlikely(!test_duration_write())) @@ -254,6 +259,7 @@ void show_usage(int argc, char **argv) #endif printf(" [-d delay] (writer period (us))"); printf(" [-c duration] (reader C.S. duration (in loops))"); + printf(" [-e duration] (writer C.S. duration (in loops))"); printf(" [-v] (verbose output)"); printf(" [-a cpu#] [-a cpu#]... (affinity)"); printf("\n"); @@ -328,6 +334,13 @@ int main(int argc, char **argv) } wdelay = atol(argv[++i]); break; + case 'e': + if (argc < i + 2) { + show_usage(argc, argv); + return -1; + } + wduration = atol(argv[++i]); + break; case 'v': verbose_mode = 1; break;