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CONFIG_WQ_CPU_INTENSIVE_REPORT: Report per-cpu work items which hog CPU for too long

General informations

The Linux kernel configuration item CONFIG_WQ_CPU_INTENSIVE_REPORT:

Help text

Say Y here to enable reporting of concurrency-managed per-cpu work items that hog CPUs for longer than workqueue.cpu_intensive_thresh_us. Workqueue automatically detects and excludes them from concurrency management to prevent them from stalling other per-cpu work items. Occassional triggering may not necessarily indicate a problem. Repeated triggering likely indicates that the work item should be switched to use an unbound workqueue.



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