X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Ftest_perthreadlock.c;h=7fcf3e801e228bdc21d4275e3ea92839bf04269b;hb=31b598e0bb2fde285afa63986613e632e98b104d;hp=e47315b555f29392cf35bbcb92c36f36bf1cf676;hpb=e0b9d030de531a131377520a297f4476ff9c96f7;p=urcu.git

diff --git a/tests/test_perthreadlock.c b/tests/test_perthreadlock.c
index e47315b..7fcf3e8 100644
--- a/tests/test_perthreadlock.c
+++ b/tests/test_perthreadlock.c
@@ -83,6 +83,9 @@ 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)
@@ -239,6 +242,8 @@ void *thr_writer(void *data)
 		}
 		test_array.a = 0;
 		test_array.a = 8;
+		if (unlikely(wduration))
+			loop_sleep(wduration);
 		for (tidx = (long)nr_readers - 1; tidx >= 0; tidx--) {
 			pthread_mutex_unlock(&per_thread_lock[tidx].lock);
 		}
@@ -263,6 +268,7 @@ 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");
@@ -337,6 +343,13 @@ 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;