X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=steadystate.c;h=bd2f70dd3af1b6084994b2409ef6d7f862e2aac4;hp=1e3a546896ad8b1379368019272ba3ab11b6284f;hb=cd775e06bb369a23b9c7aab259127f38e8027ca5;hpb=ec2ea18e87fad6c42d6875cd4ee1bb25ef9b4627

diff --git a/steadystate.c b/steadystate.c
index 1e3a5468..bd2f70dd 100644
--- a/steadystate.c
+++ b/steadystate.c
@@ -208,6 +208,7 @@ void steadystate_check(void)
 
 	prev_groupid = -1;
 	for_each_td(td, i) {
+		const bool needs_lock = td_async_processing(td);
 		struct steadystate_data *ss = &td->ss;
 
 		if (!ss->dur || td->runstate <= TD_SETTING_UP ||
@@ -235,12 +236,16 @@ void steadystate_check(void)
 				ss->state |= FIO_SS_RAMP_OVER;
 		}
 
-		td_io_u_lock(td);
+		if (needs_lock)
+			__td_io_u_lock(td);
+
 		for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
 			td_iops += td->io_blocks[ddir];
 			td_bytes += td->io_bytes[ddir];
 		}
-		td_io_u_unlock(td);
+
+		if (needs_lock)
+			__td_io_u_unlock(td);
 
 		rate_time = mtime_since(&ss->prev_time, &now);
 		memcpy(&ss->prev_time, &now, sizeof(now));
@@ -350,6 +355,9 @@ uint64_t steadystate_bw_mean(struct thread_stat *ts)
 	int i;
 	uint64_t sum;
 
+	if (!ts->ss_dur)
+		return 0;
+
 	for (i = 0, sum = 0; i < ts->ss_dur; i++)
 		sum += ts->ss_bw_data[i];
 
@@ -361,6 +369,9 @@ uint64_t steadystate_iops_mean(struct thread_stat *ts)
 	int i;
 	uint64_t sum;
 
+	if (!ts->ss_dur)
+		return 0;
+
 	for (i = 0, sum = 0; i < ts->ss_dur; i++)
 		sum += ts->ss_iops_data[i];