diff options
Diffstat (limited to 'drivers/watchdog/watchdog_dev.c')
| -rw-r--r-- | drivers/watchdog/watchdog_dev.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index 744b2ab75288..55574ed42504 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -47,6 +47,8 @@ #include "watchdog_core.h" #include "watchdog_pretimeout.h" +#include <trace/events/watchdog.h> + /* the dev_t structure to store the dynamically allocated watchdog devices */ static dev_t watchdog_devt; /* Reference to watchdog device behind /dev/watchdog */ @@ -157,10 +159,13 @@ static int __watchdog_ping(struct watchdog_device *wdd) wd_data->last_hw_keepalive = now; - if (wdd->ops->ping) + if (wdd->ops->ping) { err = wdd->ops->ping(wdd); /* ping the watchdog */ - else + trace_watchdog_ping(wdd, err); + } else { err = wdd->ops->start(wdd); /* restart watchdog */ + trace_watchdog_start(wdd, err); + } if (err == 0) watchdog_hrtimer_pretimeout_start(wdd); @@ -259,6 +264,7 @@ static int watchdog_start(struct watchdog_device *wdd) } } else { err = wdd->ops->start(wdd); + trace_watchdog_start(wdd, err); if (err == 0) { set_bit(WDOG_ACTIVE, &wdd->status); wd_data->last_keepalive = started_at; @@ -297,6 +303,7 @@ static int watchdog_stop(struct watchdog_device *wdd) if (wdd->ops->stop) { clear_bit(WDOG_HW_RUNNING, &wdd->status); err = wdd->ops->stop(wdd); + trace_watchdog_stop(wdd, err); } else { set_bit(WDOG_HW_RUNNING, &wdd->status); } @@ -369,6 +376,7 @@ static int watchdog_set_timeout(struct watchdog_device *wdd, if (wdd->ops->set_timeout) { err = wdd->ops->set_timeout(wdd, timeout); + trace_watchdog_set_timeout(wdd, timeout, err); } else { wdd->timeout = timeout; /* Disable pretimeout if it doesn't fit the new timeout */ |