X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=test_perthreadlock.c;h=89cce65be71fbdb8badbebedc936b6611e7dc697;hp=2c95590170dc63fdadcf0b493b88554582fa5aba;hb=637dc4450f86349476eee1bde5de66b4c7383eec;hpb=900e541e6604a92bdf268074bb41ec6b6632d4eb diff --git a/test_perthreadlock.c b/test_perthreadlock.c index 2c95590..89cce65 100644 --- a/test_perthreadlock.c +++ b/test_perthreadlock.c @@ -69,7 +69,7 @@ static struct per_thread_lock *per_thread_lock; static volatile int test_go, test_stop; -static int wdelay; +static unsigned long wdelay; static volatile struct test_array test_array = { 8 }; @@ -84,6 +84,14 @@ 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. */ @@ -133,7 +141,7 @@ void *thr_reader(void *data) { unsigned long tidx = (unsigned long)data; - 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) @@ -152,7 +160,7 @@ void *thr_reader(void *data) } tot_nr_reads[tidx] = 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); @@ -163,7 +171,7 @@ void *thr_writer(void *data) unsigned long wtidx = (unsigned long)data; long tidx; - 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) @@ -177,17 +185,17 @@ void *thr_writer(void *data) } test_array.a = 0; test_array.a = 8; - for (tidx = nr_readers - 1; tidx >= 0; tidx--) { + for (tidx = (long)nr_readers - 1; tidx >= 0; tidx--) { pthread_mutex_unlock(&per_thread_lock[tidx].lock); } nr_writes++; if (unlikely(!test_duration_write())) break; if (unlikely(wdelay)) - usleep(wdelay); + loop_sleep(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()); tot_nr_writes[wtidx] = nr_writes; return ((void*)2); @@ -201,6 +209,7 @@ 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"); } @@ -263,30 +272,33 @@ 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) { show_usage(argc, argv); return -1; } - rduration = atoi(argv[++i]); + rduration = atol(argv[++i]); break; case 'd': if (argc < i + 2) { show_usage(argc, argv); return -1; } - wdelay = atoi(argv[++i]); + wdelay = atol(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 : %lu loops.\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 @@ -336,9 +348,16 @@ int main(int argc, char **argv) exit(1); tot_writes += tot_nr_writes[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 %-25s testdur %4lu nr_readers %3u rdur %6lu " + "nr_writers %3u " + "wdelay %6lu nr_reads %12llu nr_writes %12llu nr_ops %12llu\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);