find_genesis() function has code to correct abs_start_time, which is
later used to calculate the absolute timestamps of each traced
records.
Put this code in a separate function, so that it can be used later by
the blkparse code. No functional change.
Signed-off-by: Hiroaki Mihara <hmihara@xxxxxxxxxx>
---
blkparse.c | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)
diff --git a/blkparse.c b/blkparse.c
index 3de2ebe..cf7a87b 100644
--- a/blkparse.c
+++ b/blkparse.c
@@ -2022,6 +2022,22 @@ static void show_device_and_cpu_stats(void)
}
}
+static void correct_abs_start_time(void)
+{
+ long delta = genesis_time - start_timestamp;
+
+ abs_start_time.tv_sec += SECONDS(delta);
+ abs_start_time.tv_nsec += NANO_SECONDS(delta);
+ if (abs_start_time.tv_nsec < 0) {
+ abs_start_time.tv_nsec += 1000000000;
+ abs_start_time.tv_sec -= 1;
+ } else
+ if (abs_start_time.tv_nsec > 1000000000) {
+ abs_start_time.tv_nsec -= 1000000000;
+ abs_start_time.tv_sec += 1;
+ }
+}
+
static void find_genesis(void)
{
struct trace *t = trace_list;
@@ -2039,18 +2055,7 @@ static void find_genesis(void)
*/
if (start_timestamp
&& start_timestamp != genesis_time) {
- long delta = genesis_time - start_timestamp;
-
- abs_start_time.tv_sec += SECONDS(delta);
- abs_start_time.tv_nsec += NANO_SECONDS(delta);
- if (abs_start_time.tv_nsec < 0) {
- abs_start_time.tv_nsec += 1000000000;
- abs_start_time.tv_sec -= 1;
- } else
- if (abs_start_time.tv_nsec > 1000000000) {
- abs_start_time.tv_nsec -= 1000000000;
- abs_start_time.tv_sec += 1;
- }
+ correct_abs_start_time();
}
}
--
2.21.0
