From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Karsten Wiese <annabellesgarden@yahoo.de>,
dwalker@mvista.com, george anzinger <george@mvista.com>,
Adrian Bunk <bunk@stusta.de>,
Sven-Thorsten Dietrich <sven@mvista.com>,
LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: 2.6.13-rc6-rt6
Date: Tue, 23 Aug 2005 07:46:09 +0200 [thread overview]
Message-ID: <20050823054609.GA26707@elte.hu> (raw)
In-Reply-To: <1124739657.5809.6.camel@localhost.localdomain>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> Here's a patch to move the pi_lock out of the "fast path". Thus, only
> threads that need to do PI will need to take it.
ok, looks good, applied it. I've renamed p->rt_lock to p->pi_lock. The
patch gave a 10% wall-clock improvement in hackbench numbers on an 8-way
box. (This box has pretty high cachemiss costs, so the positive effects
of such patches show up nicely.)
Ingo
next prev parent reply other threads:[~2005-08-23 5:46 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-16 12:18 2.6.13-rc6-rt3 Ingo Molnar
2005-08-16 15:31 ` 2.6.13-rc6-rt5 Steven Rostedt
2005-08-16 15:44 ` 2.6.13-rc6-rt5 Steven Rostedt
2005-08-16 16:08 ` 2.6.13-rc6-rt5 Steven Rostedt
2005-08-16 16:16 ` 2.6.13-rc6-rt5 Ingo Molnar
2005-08-16 16:22 ` 2.6.13-rc6-rt5 Ingo Molnar
2005-08-16 16:32 ` 2.6.13-rc6-rt5 Ingo Molnar
2005-08-16 16:37 ` 2.6.13-rc6-rt5 Ingo Molnar
2005-08-16 16:52 ` 2.6.13-rc6-rt5 Ingo Molnar
2005-08-16 17:08 ` 2.6.13-rc6-rt6 Ingo Molnar
2005-08-16 17:50 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-16 18:07 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-16 18:50 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 4:20 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 5:46 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 6:47 ` 2.6.13-rc6-rt6 Ingo Molnar
2005-08-17 14:05 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 14:24 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 16:13 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 16:23 ` 2.6.13-rc6-rt6 Ingo Molnar
2005-08-17 17:10 ` 2.6.13-rc6-rt6 K.R. Foley
2005-08-17 18:31 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 19:31 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-18 0:02 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-18 2:44 ` 2.6.13-rc6-rt6 Steven Rostedt
[not found] ` <20050822075012.GB19386@elte.hu>
[not found] ` <1124704837.5208.22.camel@localhost.localdomain>
[not found] ` <20050822101632.GA28803@elte.hu>
[not found] ` <1124710309.5208.30.camel@localhost.localdomain>
[not found] ` <20050822113858.GA1160@elte.hu>
[not found] ` <1124715755.5647.4.camel@localhost.localdomain>
[not found] ` <20050822183355.GB13888@elte.hu>
2005-08-22 19:40 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-22 19:44 ` [RFC] RT-patch update to remove the global pi_lock Steven Rostedt
2005-08-22 22:19 ` Daniel Walker
2005-08-23 0:26 ` Steven Rostedt
2005-08-23 0:51 ` Daniel Walker
2005-08-23 1:32 ` Steven Rostedt
2005-08-23 3:38 ` Steven Rostedt
[not found] ` <1124908080.5604.22.camel@localhost.localdomain>
[not found] ` <1124917003.5711.8.camel@localhost.localdomain>
2005-08-24 21:05 ` Thomas Gleixner
2005-08-25 1:13 ` Steven Rostedt
2005-08-25 1:38 ` Daniel Walker
2005-08-25 1:48 ` Steven Rostedt
2005-08-25 6:31 ` Ingo Molnar
2005-08-25 6:35 ` Ingo Molnar
2005-08-25 16:15 ` Steven Rostedt
2005-08-25 19:34 ` Ingo Molnar
2005-08-25 19:46 ` Steven Rostedt
2005-08-23 5:29 ` Ingo Molnar
2005-08-25 14:47 ` Steven Rostedt
2005-08-25 15:06 ` Steven Rostedt
2005-08-25 17:47 ` Ingo Molnar
2005-08-25 20:09 ` Steven Rostedt
2005-08-25 21:32 ` Daniel Walker
2005-08-26 2:23 ` Steven Rostedt
2005-08-26 13:52 ` Steven Rostedt
2005-08-30 15:00 ` Steven Rostedt
2005-08-30 15:52 ` Steven Rostedt
2005-08-30 23:08 ` Steven Rostedt
2005-08-31 15:01 ` [FYI] 2.6.13-rt3 and a nanosleep jitter test Steven Rostedt
2005-08-31 15:12 ` Daniel Walker
2005-08-31 15:30 ` Steven Rostedt
2005-08-31 15:13 ` Daniel Walker
2005-08-31 15:19 ` Steven Rostedt
2005-08-31 15:30 ` Daniel Walker
2005-08-23 5:46 ` Ingo Molnar [this message]
2005-08-19 21:22 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-19 22:47 ` 2.6.13-rc6-rt6 Paul E. McKenney
2005-08-19 23:02 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-19 23:02 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-19 23:12 ` 2.6.13-rc6-rt6 Paul E. McKenney
2005-08-19 23:12 ` 2.6.13-rc6-rt6 Paul E. McKenney
2005-08-19 23:20 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-19 23:20 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-19 23:44 ` 2.6.13-rc6-rt6 Paul E. McKenney
2005-08-19 23:44 ` 2.6.13-rc6-rt6 Paul E. McKenney
2005-08-19 22:47 ` 2.6.13-rc6-rt6 Paul E. McKenney
2005-08-22 7:53 ` 2.6.13-rc6-rt6 Ingo Molnar
2005-08-19 21:22 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 19:27 ` 2.6.13-rc6-rt6 Ingo Molnar
2005-08-17 19:39 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 17:32 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 19:34 ` 2.6.13-rc6-rt6 Steven Rostedt
2005-08-17 5:59 ` 2.6.13-rc6-rt6 Ingo Molnar
2005-08-17 20:01 ` 2.6.13-rc6-rt8 Peter Bortas
2005-08-23 6:14 ` 2.6.13-rc6-rt8 Ingo Molnar
2005-08-28 20:36 ` 2.6.13-rc6-rt8 Peter Bortas
2005-08-18 9:57 ` 2.6.13-rc6-rt3 Alistair John Strachan
2005-08-18 10:00 ` 2.6.13-rc6-rt3 Thomas Gleixner
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