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Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine

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From: Ingo Molnar
Subject: Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine
Date: Thursday, September 4, 2008 - 4:35 am

* Lin Ming <ming.m.lin@intel.com> wrote:


...

ok, this only spans 6 milliseconds, which is probably a bit too light.

Could you please increase the trace size 32-fold (via 
/debug/tracing/trace_entries), and send us the (large!) trace file 
compressed via bzip2 -9, off-list (or via a web link)? [anyone on-list 
can have a look at the smaller trace file already]

Thanks,

	Ingo
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Messages in current thread:
oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 4, 1:51 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Peter Zijlstra, (Thu Sep 4, 2:03 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 4, 3:52 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Peter Zijlstra, (Thu Sep 4, 4:06 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Ingo Molnar, (Thu Sep 4, 4:09 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 4, 4:30 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Ingo Molnar, (Thu Sep 4, 4:35 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 4, 5:12 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 4, 5:19 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Peter Zijlstra, (Thu Sep 4, 5:26 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 4, 5:42 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Gregory Haskins, (Thu Sep 4, 6:50 am)
[PATCH 1/4] revert &quot;sched: sched_cacheflush is now unused&quot;, Gregory Haskins, (Thu Sep 4, 6:50 am)
[PATCH 2/4] Revert &quot;[PATCH] sched: remove cache_hot_time&quot;, Gregory Haskins, (Thu Sep 4, 6:50 am)
[PATCH 3/4] Revert &quot;sched: zap the migration init / cache- ..., Gregory Haskins, (Thu Sep 4, 6:50 am)
[PATCH 4/4] sched: make task_hot() once again use sd-&gt;cach ..., Gregory Haskins, (Thu Sep 4, 6:50 am)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 4, 6:26 pm)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Peter Zijlstra, (Sat Sep 20, 2:38 pm)
Re: oltp ~10% regression with 2.6.27-rc5 on stoakley machine, Lin Ming, (Thu Sep 25, 7:00 pm)