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From: Jody McIntyre <scjody@sun.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-raid@vger.kernel.org, neilb@suse.de
Subject: Re: [RFC patch 1/1] Track raid5/6 statistics.
Date: Thu, 27 Nov 2008 08:45:03 -0500	[thread overview]
Message-ID: <20081127134503.GC29919@clouds> (raw)
In-Reply-To: <e9c3a7c20811261350n57fb3881if443969b27079543@mail.gmail.com>

Hi Dan,

On Wed, Nov 26, 2008 at 02:50:18PM -0700, Dan Williams wrote:

> I have done some work in this area too 

Got any preliminary patches you can share?

> and have a lingering desire to hook MD up to the tracing
> infrastructure du jour.  Have you considered using tracepoints [1]?
> This would save the overhead of atomic operations when we're not
> profiling.

Thanks for the suggestion, I'll look into that.

Cheers,
Jody

> 
> Regards,
> Dan
> 
> [1]: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/tracepoints.txt;h=5d354e16749447c667934ecd4c8f4fe5ee3da36c;hb=HEAD

  reply	other threads:[~2008-11-27 13:45 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-26 19:04 [RFC patch 0/1] Lustre RAID 5/6 patches scjody
2008-11-26 19:04 ` [RFC patch 1/1] Track raid5/6 statistics scjody
2008-11-26 21:50   ` Dan Williams
2008-11-27 13:45     ` Jody McIntyre [this message]
2008-11-28 21:14       ` Dan Williams
2008-11-27 11:47   ` Gabor Gombas
2008-11-27 13:52     ` Jody McIntyre
2008-11-27 17:15       ` Gabor Gombas
2008-11-27 18:29         ` Jody McIntyre
2008-11-27 19:21           ` Mr. James W. Laferriere
2008-11-28 17:21           ` Bill Davidsen

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