> Evidently you're doing something illegal here, but perhaps you're just
> exposing a bug that was already present. We certainly want to rule that
> out.
Thank you Matt for your time. I just found out that I was releasing
mutex twice! I wish we had PTHREAD_MUTEX_{loc,unlock} macros in tirpc
code.
William Allen Simpson [william.allen.simp...@gmail.com] wrote:
> On 8/11/15 3:26 AM, Malahal Naineni wrote:
> > ... We see work pool mutex (svc_work_pool.pqh.qmutex)
> > at the top now, so I am trying to fix this. I made a small patch so
> > that a work pool thread waits for 1 full second before wo
Hi Malahal,
- Original Message -
> From: "Malahal Naineni"
> To: "Matt Benjamin"
> Cc: Nfs-ganesha-devel@lists.sourceforge.net, "william allen simpson"
> , "Daniel
> Gryniewicz"
> Sent: Tuesday, August 11, 2015 11:04:04 AM
> Subject: Re: svc_ioq_callback() issues
>
> > I have some co
Thank you Matt and Bill. I am actually not proposing this as a patch
that needs to be merged upstream. We are just experimenting and mutrace
shows that work pool lock has the most contention time. Not sure how
that reports and whether this is really an issue is still unknown. One
thing we noticed i
Hi Malahal,
- Original Message -
> From: "Malahal Naineni"
> To: "Matt Benjamin"
> Cc: Nfs-ganesha-devel@lists.sourceforge.net, "william allen simpson"
> , "Daniel
> Gryniewicz"
> Sent: Tuesday, August 11, 2015 3:26:23 AM
> Subject: svc_ioq_callback() issues
>
> Thank you Matt.
>
> "
On 8/11/15 3:26 AM, Malahal Naineni wrote:
> ... We see work pool mutex (svc_work_pool.pqh.qmutex)
> at the top now, so I am trying to fix this. I made a small patch so
> that a work pool thread waits for 1 full second before working on a
> different task or waiting in the global pool.
>
DO NOT do
Thank you Matt.
"git blame" does indicate that you experimented with it but it was
disabled due to not making much difference with throughput. Makes sense.
I didn't go deeper into the git history.
I enabled it and the decoder fridge mutex has gone out from the
contention list. We see work pool mu
