urcu tests: add writer duration parameter

[urcu.git] / tests / test_urcu_bp.c

diff --git a/tests/test_urcu_bp.c b/tests/test_urcu_bp.c
index 5ba6e49ddf24ae007328c9ca9f08e1bcfcd7155f..d5653b05882e75a59cbfcf3e17a086afed802dda 100644 (file)
--- a/tests/test_urcu_bp.c
+++ b/tests/test_urcu_bp.c
@@ -77,6 +77,9 @@ 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)
@@ -272,6 +275,8 @@ void *thr_writer(void *_count)
                new = test_array_alloc();
                new->a = 8;
                old = rcu_xchg_pointer(&test_rcu_pointer, new);
+               if (unlikely(wduration))
+                       loop_sleep(wduration);
                synchronize_rcu();
                if (old)
                        old->a = 0;
@@ -297,6 +302,7 @@ 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");
@@ -370,6 +376,13 @@ 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;