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rtla/utils: Fix session duration parsing

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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: b1696371d8 ("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>
This commit is contained in:
Daniel Bristot de Oliveira 2022-02-04 17:24:03 +01:00 committed by Steven Rostedt (Google)
parent 8619e32825
commit f35491b861
1 changed files with 2 additions and 2 deletions
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4
tools/tracing/rtla/src/utils.c
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@ -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);
}