urcu tests: add writer duration parameter

[urcu.git] / tests / test_mutex.c

diff --git a/tests/test_mutex.c b/tests/test_mutex.c
index 7fb036d1632361f780b6c6281e1704af5cb28605..f3139cc3301dc46e0865c333f1926a860038380c 100644 (file)
--- 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;