X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=test_rwlock.c;h=1b4a56e85b21d69d9167f20e7a5337858932a609;hp=ec2ca6e6a95c170026c5fd05e9eaf693947b83f2;hb=4bad7d45799f5856cc14425aa7ddb2e111a3c5b7;hpb=900e541e6604a92bdf268074bb41ec6b6632d4eb diff --git a/test_rwlock.c b/test_rwlock.c index ec2ca6e..1b4a56e 100644 --- a/test_rwlock.c +++ b/test_rwlock.c @@ -80,6 +80,14 @@ static inline void loop_sleep(unsigned long l) cpu_relax(); } +static int verbose_mode; + +#define printf_verbose(fmt, args...) \ + do { \ + if (verbose_mode) \ + printf(fmt, args); \ + } while (0) + /* * returns 0 if test should end. */ @@ -126,7 +134,7 @@ void *thr_reader(void *_count) { unsigned long long *count = _count; - printf("thread_begin %s, thread id : %lx, tid %lu\n", + printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", "reader", pthread_self(), (unsigned long)gettid()); while (!test_go) @@ -145,7 +153,7 @@ void *thr_reader(void *_count) } *count = nr_reads; - printf("thread_end %s, thread id : %lx, tid %lu\n", + printf_verbose("thread_end %s, thread id : %lx, tid %lu\n", "reader", pthread_self(), (unsigned long)gettid()); return ((void*)1); @@ -155,7 +163,7 @@ void *thr_writer(void *_count) { unsigned long long *count = _count; - printf("thread_begin %s, thread id : %lx, tid %lu\n", + printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", "writer", pthread_self(), (unsigned long)gettid()); while (!test_go) @@ -175,7 +183,7 @@ void *thr_writer(void *_count) usleep(wdelay); } - printf("thread_end %s, thread id : %lx, tid %lu\n", + printf_verbose("thread_end %s, thread id : %lx, tid %lu\n", "writer", pthread_self(), (unsigned long)gettid()); *count = nr_writes; return ((void*)2); @@ -189,6 +197,7 @@ void show_usage(int argc, char **argv) #endif printf(" [-d delay] (writer period (us))"); printf(" [-c duration] (reader C.S. duration (in loops))"); + printf(" [-v] (verbose output)"); printf(" [-a cpu#] [-a cpu#]... (affinity)"); printf("\n"); } @@ -251,7 +260,7 @@ int main(int argc, char **argv) a = atoi(argv[++i]); CPU_SET(a, &affinity); use_affinity = 1; - printf("Adding CPU %d affinity\n", a); + printf_verbose("Adding CPU %d affinity\n", a); break; case 'c': if (argc < i + 2) { @@ -267,14 +276,17 @@ int main(int argc, char **argv) } wdelay = atoi(argv[++i]); break; + case 'v': + verbose_mode = 1; + break; } } - printf("running test for %lu seconds, %u readers, %u writers.\n", + printf_verbose("running test for %lu seconds, %u readers, %u writers.\n", duration, nr_readers, nr_writers); - printf("Writer delay : %u us.\n", wdelay); - printf("Reader duration : %lu loops.\n", rduration); - printf("thread %-6s, thread id : %lx, tid %lu\n", + printf_verbose("Writer delay : %u us.\n", wdelay); + printf_verbose("Reader duration : %lu loops.\n", rduration); + printf_verbose("thread %-6s, thread id : %lx, tid %lu\n", "main", pthread_self(), (unsigned long)gettid()); if (use_affinity && sched_setaffinity(0, sizeof(affinity), &affinity) < 0) { @@ -320,9 +332,15 @@ int main(int argc, char **argv) exit(1); tot_writes += count_writer[i]; } - - printf("total number of reads : %llu, writes %llu\n", tot_reads, + + printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads, tot_writes); + printf("SUMMARY %s testdur %lu nr_readers %u rdur %lu nr_writers %u " + "wdelay %u nr_reads %llu nr_writes %llu nr_ops %llu\n", + argv[0], duration, nr_readers, rduration, + nr_writers, wdelay, tot_reads, tot_writes, + tot_reads + tot_writes); + free(tid_reader); free(tid_writer); free(count_reader);