X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=stat.c;h=fbf0118c6d7ae1a4a895dc450cf808be7db4041c;hb=6cfe9a8c89c2b8fb0b697e2f5f852ce6a5e82a2a;hp=ca733108a879b772d45186a0600e8439f9f50433;hpb=0a3c52f0875c85b6750239a8b65bfe230d28df35;p=fio.git

diff --git a/stat.c b/stat.c
index ca733108..fbf0118c 100644
--- a/stat.c
+++ b/stat.c
@@ -1471,7 +1471,12 @@ void show_running_run_stats(void)
 	fio_mutex_down(stat_mutex);
 
 	if (!pthread_create(&thread, NULL, __show_running_run_stats, NULL)) {
-		pthread_detach(thread);
+		int err;
+
+		err = pthread_detach(thread);
+		if (err)
+			log_err("fio: DU thread detach failed: %s\n", strerror(err));
+
 		return;
 	}
 
@@ -1803,7 +1808,11 @@ void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
 		if (!delta)
 			continue; /* No entries for interval */
 
-		rate = delta * 1000 / spent / 1024;
+		if (spent)
+			rate = delta * 1000 / spent / 1024;
+		else
+			rate = 0;
+
 		add_stat_sample(&ts->bw_stat[ddir], rate);
 
 		if (td->bw_log)
@@ -1838,7 +1847,11 @@ void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs
 		if (!delta)
 			continue; /* No entries for interval */
 
-		iops = (delta * 1000) / spent;
+		if (spent)
+			iops = (delta * 1000) / spent;
+		else
+			iops = 0;
+
 		add_stat_sample(&ts->iops_stat[ddir], iops);
 
 		if (td->iops_log)