Re: [PATCH v4 1/2] hung_task: Show the blocker task if the task is hung on mutex

[Waiman Long <llong@redhat.com>]

On 3/5/25 10:07 PM, Waiman Long wrote:
>
>
> On 3/5/25 9:32 PM, Masami Hiramatsu (Google) wrote:
>>>> +config DETECT_HUNG_TASK_BLOCKER
>>>> +	bool "Dump Hung Tasks Blocker"
>>>> +	depends on DETECT_HUNG_TASK
>>>> +	depends on !PREEMPT_RT
>>>> +	default y
>>>> +	help
>>>> +	  Say Y here to show the blocker task's stacktrace who acquires
>>>> +	  the mutex lock which "hung tasks" are waiting.
>>>> +	  This will add overhead a bit but shows suspicious tasks and
>>>> +	  call trace if it comes from waiting a mutex.
>>>> +
>>>>    config WQ_WATCHDOG
>>>>    	bool "Detect Workqueue Stalls"
>>>>    	depends on DEBUG_KERNEL
>>>>
>>> Reviewed-by: Waiman Long<longman@redhat.com>
>>>
>> Thanks Waiman! BTW, who will pick this patch?
>> Andrew, could you pick this series?
>
> Peter, do you mind routing this patch via Andrew?
>
Resend as plain text.

Regards,
Longman