diff mbox series

[for-linus,2/6] rtla/utils: Fix session duration parsing

Message ID 20220210200900.908862071@goodmis.org (mailing list archive)
State Accepted
Headers show
Series [for-linus,1/6] rtla: Follow kernel version | expand

Commit Message

Steven Rostedt Feb. 10, 2022, 8:05 p.m. UTC 
From: Daniel Bristot de Oliveira <bristot@kernel.org>

Use gmtime to format the duration time. This avoids problems when the
system uses local time different of Pisa's Local Time.

Link: https://lkml.kernel.org/r/a2f0a37bc006c2561bb8ecd871cd70532b4a9f2d.1643990447.git.bristot@kernel.org

Fixes: b1696371d865 ("rtla: Helper functions for rtla")
Cc: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-trace-devel@vger.kernel.org
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
 tools/tracing/rtla/src/utils.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/tools/tracing/rtla/src/utils.c b/tools/tracing/rtla/src/utils.c
index 1c9f0eea6166..ffaf8ec84001 100644
--- a/tools/tracing/rtla/src/utils.c
+++ b/tools/tracing/rtla/src/utils.c
@@ -77,11 +77,11 @@  void get_duration(time_t start_time, char *output, int output_size)
 	time_t duration;
 
 	duration = difftime(now, start_time);
-	tm_info = localtime(&duration);
+	tm_info = gmtime(&duration);
 
 	snprintf(output, output_size, "%3d %02d:%02d:%02d",
 			tm_info->tm_yday,
-			tm_info->tm_hour - 1,
+			tm_info->tm_hour,
 			tm_info->tm_min,
 			tm_info->tm_sec);
 }