dlm_master: time ops

1 files changed, 17 insertions, 1 deletions

diff --git a/dlm/dlm_master.c b/dlm/dlm_master.c
index 2afe190..651d0f5 100644
--- a/dlm/dlm_master.c
+++ b/dlm/dlm_master.c
@@ -54,6 +54,16 @@ do { \
 	exit(-1); \
 } while (0)
 
+static uint64_t dt_usec(struct timeval *start, struct timeval *stop)
+{
+	uint64_t dt;
+
+	dt = stop->tv_sec - start->tv_sec;
+	dt *= 1000000;
+	dt += stop->tv_usec - start->tv_usec;
+	return dt;
+}
+
 static int rand_int(int a, int b)
 {
 	return a + (int) (((float)(b - a + 1)) * random() / (RAND_MAX+1.0)); 
@@ -108,6 +118,7 @@ static void do_master(int acquire_mode, char *suffix)
 static void ping_masters(int acquire_mode, int convert_mode, char *suffix,
 			 uint32_t *lkids)
 {
+	struct timeval start, end;
 	struct dlm_lksb lksb;
 	char name[DLM_RESNAME_MAXLEN];
 	int rv, i;
@@ -144,14 +155,19 @@ static void ping_masters(int acquire_mode, int convert_mode, char *suffix,
 				mode_str(convert_mode));
 			fflush(stdout);
 
+			gettimeofday(&start, NULL);
+
 			rv = dlm_ls_lock_wait(dh, convert_mode, &lksb,
 						LKF_NOQUEUE | LKF_CONVERT,
 						name, strlen(name),
 						0, NULL, NULL, NULL);
+			gettimeofday(&end, NULL);
+
 			if (rv < 0)
 				printf(" error %d\n", rv);
 			else
-				printf(" .\n");
+				printf(" . %llu us\n",
+				       (unsigned long long)dt_usec(&start, &end));
 			continue;
 		}
 	}