X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=time.c;h=f5dc04969f3d47020fb4f61fa3ddf5dcfcdf0e09;hp=b145dc5b639a3d2bea37b6cae4c528cfdc17cf97;hb=4499dbef877f3df59a65e9a53b6a6d832a94e315;hpb=8b22c7850e0cedcc5e6310d9f9a82fce0bb8e73b

diff --git a/time.c b/time.c
index b145dc5b..f5dc0496 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 +59,14 @@ 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)
@@ -68,27 +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)
@@ -122,6 +151,17 @@ void set_genesis_time(void)
 	fio_gettime(&genesis, NULL);
 }
 
+void set_epoch_time(struct thread_data *td, int log_unix_epoch)
+{
+	fio_gettime(&td->epoch, NULL);
+	if (log_unix_epoch) {
+		struct timeval tv;
+		gettimeofday(&tv, NULL);
+		td->unix_epoch = (unsigned long long)(tv.tv_sec) * 1000 +
+		                 (unsigned long long)(tv.tv_usec) / 1000;
+	}
+}
+
 void fill_start_time(struct timeval *t)
 {
 	memcpy(t, &genesis, sizeof(genesis));