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CONFIG_WQ_WATCHDOG: Detect Workqueue Stalls

General informations

The Linux kernel configuration item CONFIG_WQ_WATCHDOG:

Help text

Say Y here to enable stall detection on workqueues. If a worker pool doesn't make forward progress on a pending work item for over a given amount of time, 30s by default, a warning message is printed along with dump of workqueue state. This can be configured through kernel parameter "workqueue.watchdog_thresh" and its sysfs counterpart.



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