From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Ross Biro <rossb@google.com>,
linux-mm@kvack.org, lkml <linux-kernel@vger.kernel.org>,
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Subject: Re: Page Faults slower in 2.6.25-rc9 than 2.6.23
Date: Tue, 29 Apr 2008 22:12:45 +0530 [thread overview]
Message-ID: <48175005.90400@linux.vnet.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0804291629410.23101@blonde.site>
Hugh Dickins wrote:
> On Tue, 29 Apr 2008, Ross Biro wrote:
>> On Tue, Apr 29, 2008 at 10:52 AM, Balbir Singh
>> <balbir@linux.vnet.ibm.com> wrote:
>>> Hmm.. strange.. I don't remember the overhead being so bad (I'll
>>> relook at my old numbers). I'll try and git-bisect this one
>> I'm checking 2.6.24 now. A quick run of 2.6.25-rc9 without fake numa
>> showed no real change.
>
> Worth checking 2.6.24, yes. But you've already made it clear that
> you do NOT have mem cgroups in your 2.6.25-rc9, so Balbir (probably)
> need not worry about your regression: my guess was wrong on that.
>
Aah.. Yes... but I am definitely interested in figuring out the root cause for
the regression.
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
WARNING: multiple messages have this Message-ID (diff)
From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Ross Biro <rossb@google.com>,
linux-mm@kvack.org, lkml <linux-kernel@vger.kernel.org>,
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Subject: Re: Page Faults slower in 2.6.25-rc9 than 2.6.23
Date: Tue, 29 Apr 2008 22:12:45 +0530 [thread overview]
Message-ID: <48175005.90400@linux.vnet.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0804291629410.23101@blonde.site>
Hugh Dickins wrote:
> On Tue, 29 Apr 2008, Ross Biro wrote:
>> On Tue, Apr 29, 2008 at 10:52 AM, Balbir Singh
>> <balbir@linux.vnet.ibm.com> wrote:
>>> Hmm.. strange.. I don't remember the overhead being so bad (I'll
>>> relook at my old numbers). I'll try and git-bisect this one
>> I'm checking 2.6.24 now. A quick run of 2.6.25-rc9 without fake numa
>> showed no real change.
>
> Worth checking 2.6.24, yes. But you've already made it clear that
> you do NOT have mem cgroups in your 2.6.25-rc9, so Balbir (probably)
> need not worry about your regression: my guess was wrong on that.
>
Aah.. Yes... but I am definitely interested in figuring out the root cause for
the regression.
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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next prev parent reply other threads:[~2008-04-29 16:47 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-29 13:10 Page Faults slower in 2.6.25-rc9 than 2.6.23 Ross Biro
2008-04-29 13:10 ` Ross Biro
2008-04-29 13:57 ` Hugh Dickins
2008-04-29 13:57 ` Hugh Dickins
2008-04-29 14:08 ` Ross Biro
2008-04-29 14:08 ` Ross Biro
2008-04-29 14:52 ` Balbir Singh
2008-04-29 14:52 ` Balbir Singh
2008-04-29 15:21 ` Ross Biro
2008-04-29 15:21 ` Ross Biro
2008-04-29 15:32 ` Hugh Dickins
2008-04-29 15:32 ` Hugh Dickins
2008-04-29 16:05 ` Ross Biro
2008-04-29 16:05 ` Ross Biro
2008-04-29 16:42 ` Balbir Singh [this message]
2008-04-29 16:42 ` Balbir Singh
2008-04-29 17:00 ` Ross Biro
2008-04-29 17:00 ` Ross Biro
2008-04-30 13:16 ` Ross Biro
2008-04-30 13:16 ` Ross Biro
2008-04-30 4:50 ` KAMEZAWA Hiroyuki
2008-04-30 4:50 ` KAMEZAWA Hiroyuki
2008-04-30 11:33 ` Hugh Dickins
2008-04-30 11:33 ` Hugh Dickins
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