Re: [PATCH workqueue/for-6.10-fixes] workqueue: Refactor worker ID formatting and make wq_worker_comm() use full ID string

[Jan Engelhardt]

On Tuesday 2024-05-21 00:30, Tejun Heo wrote:

>Currently, worker ID formatting is open coded in create_worker(),
>init_rescuer() and worker_thread() (for %WORKER_DIE case). The formatted ID
>is saved into task->comm and wq_worker_comm() uses it as the base name to
>append extra information to when generating the name to be shown as.
>
>However, TASK_COMM_LEN is only 16 leading to badly truncated names for
>rescuers. For example, the rescuer for the inet_frag_wq workqueue becomes:
>
>  $ ps -ef | grep '[k]worker/R-inet'
>  root         483       2  0 Apr26 ?        00:00:00 [kworker/R-inet_]
>[...]

This patch works satisfactorily for me.


Tested-by: Jan Engelhardt <jengelh@xxxxxxx>