diff mbox series

blkparse: Print time when trace was started

Message ID 20210113112643.12893-1-jack@suse.cz (mailing list archive)
State New, archived
Headers show
Series blkparse: Print time when trace was started | expand

Commit Message

Jan Kara Jan. 13, 2021, 11:26 a.m. UTC
For correlating blktrace data with other information, it is useful to
know when the trace has been captured. Since the absolute timestamp
is contained in the blktrace file, just output it.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 blkparse.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Chaitanya Kulkarni Jan. 14, 2021, 12:41 a.m. UTC | #1
On 1/13/21 03:29, Jan Kara wrote:
> For correlating blktrace data with other information, it is useful to
> know when the trace has been captured. Since the absolute timestamp
> is contained in the blktrace file, just output it.
>
> Signed-off-by: Jan Kara <jack@suse.cz>
Looks good.

Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
diff mbox series

Patch

diff --git a/blkparse.c b/blkparse.c
index 911309e26a15..dc518632ebf5 100644
--- a/blkparse.c
+++ b/blkparse.c
@@ -31,6 +31,7 @@ 
 #include <signal.h>
 #include <locale.h>
 #include <libgen.h>
+#include <time.h>
 
 #include "blktrace.h"
 #include "rbtree.h"
@@ -2797,6 +2798,7 @@  static void show_stats(void)
 
 	if (per_device_and_cpu_stats)
 		show_device_and_cpu_stats();
+	fprintf(ofp, "Trace started at %s\n", ctime(&abs_start_time.tv_sec));
 
 	fflush(ofp);
 }