Re: [PATCH 2/2] xfs: mark the xfs-alloc workqueue as high priority

Tejun Heo
2015-01-12T23:38:17Z

Hello, Eric.

On Mon, Jan 12, 2015 at 05:12:34PM -0600, Eric Sandeen wrote:
> The only tasks in RU state are the one I mentioned, and swapper/X.
>
> crash> ps -m | grep RU
> [0 00:00:00.159] [RU] PID: 17056 TASK: c000000111cc0000 CPU: 8 COMMAND: "kworker/u112:1"
> [4 19:11:44.360] [RU] PID: 0 TASK: c0000000010416f0 CPU: 0 COMMAND: "swapper/0"
> [4 19:11:44.192] [RU] PID: 0 TASK: c000000633280000 CPU: 1 COMMAND: "swapper/1"
> [4 19:11:44.192] [RU] PID: 0 TASK: c0000006332c0000 CPU: 2 COMMAND: "swapper/2"
> ...
>
> and I don't see anything interesting in those. :)

Heh, I don't get it. Can you please print out worker_pool->nr_running
of the pool that the hung work item is queued on?

Thanks.

--
tejun