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PM / suspend: show workqueue state in suspend flow

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If freezable workqueue aborts suspend flow, show
workqueue state for debug purpose.

Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Roger Lu
2016-07-01 11:05:02 +08:00
committed by Rafael J. Wysocki
parent ea00f4f4f0
commit 7b776af66d
2 changed files with 5 additions and 2 deletions
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4
kernel/workqueue.c
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@@ -4369,8 +4369,8 @@ static void show_pwq(struct pool_workqueue *pwq)
/**
* show_workqueue_state - dump workqueue state
*
* Called from a sysrq handler and prints out all busy workqueues and
* pools.
* Called from a sysrq handler or try_to_freeze_tasks() and prints out
* all busy workqueues and pools.
*/
void show_workqueue_state(void)
{