X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=time.c;h=f1c5d3fe613e85c4ce0713701aee5c45afdcabdd;hp=f3de3e71bd39ab52b8d625812751c8e9ce106c23;hb=0c13c9699c668990a18261141bab612598bc47d5;hpb=0de5b26f6e177aacac0683306c47e0cbaf58b0b6

diff --git a/time.c b/time.c
index f3de3e71..f1c5d3fe 100644
--- a/time.c
+++ b/time.c
@@ -6,28 +6,41 @@
 static struct timeval genesis;
 static unsigned long ns_granularity;
 
+void timeval_add_msec(struct timeval *tv, unsigned int msec)
+{
+	tv->tv_usec += 1000 * msec;
+	if (tv->tv_usec >= 1000000) {
+		tv->tv_usec -= 1000000;
+		tv->tv_sec++;
+	}
+}
+
 /*
  * busy looping version for the last few usec
  */
-void usec_spin(unsigned int usec)
+uint64_t usec_spin(unsigned int usec)
 {
 	struct timeval start;
+	uint64_t t;
 
 	fio_gettime(&start, NULL);
-	while (utime_since_now(&start) < usec)
+	while ((t = utime_since_now(&start)) < usec)
 		nop;
+
+	return t;
 }
 
-void usec_sleep(struct thread_data *td, unsigned long usec)
+uint64_t usec_sleep(struct thread_data *td, unsigned long usec)
 {
 	struct timespec req;
 	struct timeval tv;
+	uint64_t t = 0;
 
 	do {
 		unsigned long ts = usec;
 
 		if (usec < ns_granularity) {
-			usec_spin(usec);
+			t += usec_spin(usec);
 			break;
 		}
 
@@ -46,11 +59,19 @@ void usec_sleep(struct thread_data *td, unsigned long usec)
 			break;
 
 		ts = utime_since_now(&tv);
+		t += ts;
 		if (ts >= usec)
 			break;
 
 		usec -= ts;
 	} while (!td->terminate);
+
+	return t;
+}
+
+uint64_t time_since_genesis(void)
+{
+	return time_since_now(&genesis);
 }
 
 uint64_t mtime_since_genesis(void)
@@ -63,27 +84,40 @@ uint64_t utime_since_genesis(void)
 	return utime_since_now(&genesis);
 }
 
-int in_ramp_time(struct thread_data *td)
+bool in_ramp_time(struct thread_data *td)
 {
 	return td->o.ramp_time && !td->ramp_time_over;
 }
 
-int ramp_time_over(struct thread_data *td)
+static void parent_update_ramp(struct thread_data *td)
+{
+	struct thread_data *parent = td->parent;
+
+	if (!parent || parent->ramp_time_over)
+		return;
+
+	reset_all_stats(parent);
+	parent->ramp_time_over = 1;
+	td_set_runstate(parent, TD_RAMP);
+}
+
+bool ramp_time_over(struct thread_data *td)
 {
 	struct timeval tv;
 
 	if (!td->o.ramp_time || td->ramp_time_over)
-		return 1;
+		return true;
 
 	fio_gettime(&tv, NULL);
 	if (utime_since(&td->epoch, &tv) >= td->o.ramp_time) {
 		td->ramp_time_over = 1;
 		reset_all_stats(td);
 		td_set_runstate(td, TD_RAMP);
-		return 1;
+		parent_update_ramp(td);
+		return true;
 	}
 
-	return 0;
+	return false;
 }
 
 void fio_time_init(void)