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watchdog: Add tracing events for the most usual watchdog events

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To simplify debugging which process touches a watchdog and when, add
tracing events for .start(), .set_timeout(), .ping() and .stop().

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20221008174602.3972859-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Uwe Kleine-König 2022-10-08 19:46:02 +02:00 • committed by Wim Van Sebroeck
parent 099d387ebb
commit e25b091bed
4 changed files with 81 additions and 2 deletions
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@ -21864,6 +21864,7 @@ F: Documentation/watchdog/
F: drivers/watchdog/
F: include/linux/watchdog.h
F: include/uapi/linux/watchdog.h
F: include/trace/events/watchdog.h
WHISKEYCOVE PMIC GPIO DRIVER
M: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>