On Thu, Nov 07, 2013 at 01:51:53PM +0800, Qu Wenruo wrote:
> @@ -753,6 +754,19 @@ struct btrfs_workqueue_struct *btrfs_alloc_workqueue(char *name,
> }
> }
>
> + if (high_name) {
> + ret->high_wq = alloc_workqueue(high_name,
> + flags | WQ_HIGHPRI,
> + max_active);
I'd really like to add the btrfs- prefix of the workqueue. Quoting our
previous discussion:
> > * the thread names lost the btrfs- prefix, this makes it hard to
> > identify the processes and we want this, either debugging or
> > performance monitoring
> Yes, that's right.
> But the problem is, even I added "btrfs-" prefix to the wq,
> the real work executor is kernel workers without any prefix.
> Still hard to debugging due to the workqueue mechanism.
AFAICS the string passed down to alloc_workqueue ends up in the process
name, this is what I'm expecing and don't understand what do you mean.
david
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