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@xxxxxxx> --- blkparse.c | 2 ++ 1 file changed, 2 insertions(+) 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); } -- 2.26.2
