LU-9235 libcfs: don't dump stack if just touched

[fs/lustre-release.git] / libcfs / libcfs / watchdog.c

diff --git a/libcfs/libcfs/watchdog.c b/libcfs/libcfs/watchdog.c
index 401210c..359ca94 100644 (file)
--- a/libcfs/libcfs/watchdog.c
+++ b/libcfs/libcfs/watchdog.c
@@ -160,6 +160,11 @@ static void lcw_dump_stack(struct lc_watchdog *lcw)
 
        timediff = ktime_to_timespec64(ktime_sub(ktime_get(),
                                       lcw->lcw_last_touched));
+
+       /* LU-9235: Don't dump stack if the thread is just touched. */
+       if (timediff.tv_sec == 0)
+               return;
+
        /*
         * Check to see if we should throttle the watchdog timer to avoid
         * too many dumps going to the console thus triggering an NMI.