Commit-ID: 098991fccfc7c0dd5fdfc6ed2ed965ad80f14be5 Gitweb: http://git.kernel.org/tip/098991fccfc7c0dd5fdfc6ed2ed965ad80f14be5 Author: Frederic Weisbecker <[email protected]> AuthorDate: Mon, 24 Apr 2017 16:04:37 +0200 Committer: Ingo Molnar <[email protected]> CommitDate: Mon, 24 Apr 2017 16:27:09 +0200
nohz: Print more debug info in tick_nohz_stop_sched_tick() Print more debug info when triggering this warning: > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 0 at kernel/time/tick-sched.c:874 __tick_nohz_idle_enter+0x461/0x490 Signed-off-by: Frederic Weisbecker <[email protected]> Cc: James Hartsock <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Pavel Machek <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Tim Wright <[email protected]> Link: http://lkml.kernel.org/r/20170424140436.GD21353@lerouge Signed-off-by: Ingo Molnar <[email protected]> --- kernel/time/tick-sched.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index be7ca4d..b2df684 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -789,6 +789,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts, goto out; WARN_ON_ONCE(1); + printk_once("basemono: %llu ts->next_tick: %llu dev->next_event: %llu\n", basemono, ts->next_tick, dev->next_event); } /*
