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

To: Tejun Heo <tj@xxxxxxxxxx>
Subject: Re: [PATCH 2/2] xfs: mark the xfs-alloc workqueue as high priority
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Tue, 13 Jan 2015 14:29:53 -0600
Cc: Eric Sandeen <sandeen@xxxxxxxxxx>, xfs-oss <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20150113201900.GA9489@xxxxxxxxxxxxxx>
References: <54B01927.2010506@xxxxxxxxxx> <54B019F4.8030009@xxxxxxxxxxx> <20150109182310.GA2785@xxxxxxxxxxxxxx> <54B03BCC.7040207@xxxxxxxxxxx> <20150110192852.GD25319@xxxxxxxxxxxxxx> <54B429EB.9050807@xxxxxxxxxxx> <20150112225314.GC22156@xxxxxxxxxxxxxx> <54B454E2.70707@xxxxxxxxxxx> <20150112233755.GD22156@xxxxxxxxxxxxxx> <54B56D2B.6090401@xxxxxxxxxxx> <20150113201900.GA9489@xxxxxxxxxxxxxx>
On 1/13/15 2:19 PM, Tejun Heo wrote:
> Hello, Eric.
> 
> On Tue, Jan 13, 2015 at 01:08:27PM -0600, Eric Sandeen wrote:
>> crash> struct worker_pool c000000001cd7b00
>> struct worker_pool {
>>   lock = {
>>     {
>>       rlock = {
>>         raw_lock = {
>>           slock = 0
>>         }
>>       }
>>     }
>>   }, 
>>   cpu = 27, 
>>   node = 0, 
>>   id = 54, 
>>   flags = 0, 
>>   worklist = {
>>     next = 0xc0000006182ceee0, 
>>     prev = 0xc000000000fe0470 <release_agent_work+8>
>>   }, 
>>   nr_workers = 15, 
>>   nr_idle = 0, 
> 
> Can you please also report the value of nr_running?  That's what
> regulates the kick off of new workers and rescuers.

sorry about that, swapped nr_workers w/ nr_running in my brain:

  nr_running = {
    counter = 0
  }, 

-=Eric

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