From: Mike Galbraith <efault@gmx.de>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: vatsa@linux.vnet.ibm.com,
Dhaval Giani <dhaval@linux.vnet.ibm.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Aneesh Kumar KV <aneesh.kumar@linux.vnet.ibm.com>
Subject: Re: volanoMark regression with kernel 2.6.26-rc1
Date: Mon, 12 May 2008 11:04:50 +0200 [thread overview]
Message-ID: <1210583090.7402.4.camel@marge.simson.net> (raw)
In-Reply-To: <1210568533.3151.13.camel@ymzhang>
On Mon, 2008-05-12 at 13:02 +0800, Zhang, Yanmin wrote:
> A quick update:
> With 2.6.26-rc2 (CONFIG_USER_SCHED=y), volanoMark result on my 8-core stoakley
> is about 10% worse than the one of 2.6.26-rc1.
Here (Q6600), 2.6.26-rc2 CONFIG_USER_SCHED=y regression culprit for
volanomark is the same one identified for mysql+oltp.
(i have yet to figure out where the buglet lies, but there is definitely
one in there somewhere)
2.6.25.3-smp (baseline, no group scheduling)
test-1.log:Average throughput = 102412 messages per second
test-2.log:Average throughput = 99636 messages per second
test-3.log:Average throughput = 99373 messages per second
CONFIG_CGROUPS=n
CONFIG_USER_SCHED=y
2.6.26-rc2 - 18d95a2832c1392a2d63227a7a6d433cb9f2037e
test-1.log:Average throughput = 102341 messages per second
test-2.log:Average throughput = 101710 messages per second
test-3.log:Average throughput = 100572 messages per second
2.6.26-rc2 + 18d95a2832c1392a2d63227a7a6d433cb9f2037e
test-1.log:Average throughput = 79506 messages per second
test-2.log:Average throughput = 78168 messages per second
test-3.log:Average throughput = 78200 messages per second
CONFIG_CGROUPS=y
CONFIG_USER_SCHED=y
2.6.26-rc2 - 18d95a2832c1392a2d63227a7a6d433cb9f2037e
test-1.log:Average throughput = 103494 messages per second
test-2.log:Average throughput = 100832 messages per second
test-3.log:Average throughput = 98840 messages per second
2.6.26-rc2 + 18d95a2832c1392a2d63227a7a6d433cb9f2037e
test-1.log:Average throughput = 80132 messages per second
test-2.log:Average throughput = 79410 messages per second
test-3.log:Average throughput = 79609 messages per second
CONFIG_CGROUPS=y
CONFIG_CGROUP_SCHED=y
2.6.26-rc2 - 18d95a2832c1392a2d63227a7a6d433cb9f2037e
test-1.log:Average throughput = 103026 messages per second
test-2.log:Average throughput = 101152 messages per second
test-3.log:Average throughput = 102616 messages per second
2.6.26-rc2 + 18d95a2832c1392a2d63227a7a6d433cb9f2037e
test-1.log:Average throughput = 104174 messages per second
test-2.log:Average throughput = 101390 messages per second
test-3.log:Average throughput = 101212 messages per second
(but there are no task groups set up...)
next prev parent reply other threads:[~2008-05-12 9:05 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-06 2:06 volanoMark regression with kernel 2.6.26-rc1 Zhang, Yanmin
2008-05-06 5:41 ` Zhang, Yanmin
2008-05-06 11:52 ` Dhaval Giani
2008-05-07 17:33 ` Dhaval Giani
2008-05-08 5:18 ` Zhang, Yanmin
2008-05-08 5:32 ` Dhaval Giani
2008-05-08 5:40 ` Dhaval Giani
2008-05-08 5:53 ` Zhang, Yanmin
2008-05-08 6:04 ` Dhaval Giani
2008-05-08 6:11 ` Srivatsa Vaddagiri
2008-05-09 15:52 ` Srivatsa Vaddagiri
2008-05-09 15:54 ` Srivatsa Vaddagiri
2008-05-12 1:39 ` Zhang, Yanmin
2008-05-12 2:04 ` Dhaval Giani
2008-05-12 2:37 ` Srivatsa Vaddagiri
2008-05-12 3:33 ` Zhang, Yanmin
2008-05-12 4:52 ` Srivatsa Vaddagiri
2008-05-12 5:02 ` Zhang, Yanmin
2008-05-12 5:43 ` Zhang, Yanmin
2008-05-12 9:04 ` Mike Galbraith [this message]
2008-05-12 9:20 ` Peter Zijlstra
2008-05-14 9:22 ` Zhang, Yanmin
2008-05-14 13:44 ` Srivatsa Vaddagiri
2008-05-14 14:50 ` Mike Galbraith
2008-05-14 15:12 ` Peter Zijlstra
2008-05-15 8:20 ` Srivatsa Vaddagiri
2008-05-15 8:41 ` Peter Zijlstra
2008-05-15 17:10 ` Srivatsa Vaddagiri
2008-05-07 7:04 ` Andrew Morton
2008-05-07 9:17 ` Ingo Molnar
2008-05-07 9:33 ` Zhang, Yanmin
2008-05-07 17:34 ` Peter Zijlstra
2008-05-07 18:58 ` Peter Zijlstra
2008-05-08 6:07 ` Zhang, Yanmin
2008-05-08 5:20 ` Zhang, Yanmin
2008-05-08 5:34 ` Dhaval Giani
2008-05-08 6:43 ` Peter Zijlstra
2008-05-07 17:42 ` Dhaval Giani
2008-05-08 5:21 ` Zhang, Yanmin
2008-05-08 5:39 ` Dhaval Giani
2008-05-08 6:03 ` Zhang, Yanmin
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