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Re: [patch] Re: PostgreSQL pgbench performance regression in 2.6.23+

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From: Peter Zijlstra <peterz@...>
To: Mike Galbraith <efault@...>
Cc: Ingo Molnar <mingo@...>, Greg Smith <gsmith@...>, Dhaval Giani <dhaval@...>, lkml <linux-kernel@...>, Srivatsa Vaddagiri <vatsa@...>
Subject: Re: [patch] Re: PostgreSQL pgbench performance regression in 2.6.23+
Date: Saturday, June 7, 2008 - 9:07 am

On Sat, 2008-06-07 at 14:50 +0200, Mike Galbraith wrote:

avg_overlap is about measuring how long we'll run after waking someone
else. The other measure, how long our waker shares the cpu with us,
hasn't proven to be relevant so far.

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Messages in current thread:
PostgreSQL pgbench performance regression in 2.6.23+, Greg Smith, (Wed May 21, 1:34 pm)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Thu May 22, 3:10 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Dhaval Giani, (Thu May 22, 4:28 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Thu May 22, 5:05 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Thu May 22, 6:34 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Thu May 22, 7:25 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Peter Zijlstra, (Thu May 22, 7:44 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Thu May 22, 8:09 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Peter Zijlstra, (Thu May 22, 8:24 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Greg Smith, (Fri May 23, 3:13 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Fri May 23, 6:00 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Ingo Molnar, (Fri May 23, 6:10 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Fri May 23, 9:05 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Fri May 23, 9:35 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Fri May 23, 6:15 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Greg Smith, (Fri May 23, 7:18 pm)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Fri May 23, 7:46 pm)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Greg Smith, (Mon May 26, 8:28 pm)
[patch] Re: PostgreSQL pgbench performance regression in 2.6..., Mike Galbraith, (Tue May 27, 1:59 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Greg Smith, (Fri Jun 6, 1:03 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Mike Galbraith, (Fri Jun 6, 2:13 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Mike Galbraith, (Sat Jun 7, 7:38 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Peter Zijlstra, (Sat Jun 7, 9:08 am)
[patch part 2] Re: [patch] Re: PostgreSQL pgbench performanc..., Mike Galbraith, (Sat Jun 7, 10:54 am)
Re: [patch part 2] Re: [patch] Re: PostgreSQL pgbench perfor..., Peter Zijlstra, (Sat Jun 7, 12:12 pm)
Re: [patch part 2] Re: [patch] Re: PostgreSQL pgbench perfor..., Mike Galbraith, (Sat Jun 7, 1:53 pm)
Re: [patch part 2] Re: [patch] Re: PostgreSQL pgbench perfor..., Mike Galbraith, (Sat Jun 7, 2:19 pm)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Mike Galbraith, (Sat Jun 7, 8:50 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Peter Zijlstra, (Sat Jun 7, 9:07 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Mike Galbraith, (Sat Jun 7, 10:16 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Peter Zijlstra, (Sat Jun 7, 12:16 pm)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Mike Galbraith, (Sat Jun 7, 1:56 pm)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Mike Galbraith, (Tue May 27, 4:20 am)
Re: [patch] Re: PostgreSQL pgbench performance regression in..., Mike Galbraith, (Tue May 27, 4:35 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Sat May 24, 4:08 am)
Re: PostgreSQL pgbench performance regression in 2.6.23+, Mike Galbraith, (Thu May 22, 9:16 am)