From: "Chris Friesen" <cfriesen@nortel.com>
To: "Li, Tong N" <tong.n.li@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: [RFC] scheduler: improve SMP fairness in CFS
Date: Mon, 23 Jul 2007 15:25:12 -0600 [thread overview]
Message-ID: <46A51CB8.1090400@nortel.com> (raw)
In-Reply-To: <1185225015.3593.15.camel@tongli.jf.intel.com>
Li, Tong N wrote:
> On the other hand, if locking does
> become a problem for certain systems/workloads, increasing
> sysctl_base_round_slice can reduce the locking frequency and alleviate
> the problem, at the cost of being relatively less fair across the CPUs.
If locking does become a problem, it may make sense to switch instead to
a lockless algorithm of some sort...
Chris
next prev parent reply other threads:[~2007-07-23 21:26 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-23 18:38 [RFC] scheduler: improve SMP fairness in CFS Tong Li
2007-07-23 20:00 ` Andi Kleen
2007-07-23 21:10 ` Li, Tong N
2007-07-23 21:25 ` Chris Friesen [this message]
2007-07-24 9:43 ` Andi Kleen
2007-07-23 23:40 ` Chris Snook
2007-07-24 8:07 ` Chris Snook
2007-07-24 17:11 ` Li, Tong N
2007-07-24 17:07 ` Tong Li
2007-07-24 18:08 ` Chris Snook
2007-07-24 19:47 ` Chris Friesen
2007-07-24 20:39 ` Chris Snook
2007-07-24 20:58 ` Li, Tong N
2007-07-24 21:09 ` Chris Snook
2007-07-24 21:23 ` Chris Friesen
2007-07-24 21:45 ` Chris Snook
2007-07-24 23:33 ` Chris Friesen
2007-07-24 21:06 ` Bill Huey
2007-07-24 21:22 ` Chris Snook
2007-07-24 23:14 ` Bill Huey
2007-07-24 21:12 ` Chris Friesen
2007-07-25 11:01 ` Ingo Molnar
2007-07-25 12:03 ` Ingo Molnar
2007-07-25 17:23 ` Tong Li
2007-07-25 19:24 ` Ingo Molnar
2007-07-25 20:38 ` Chris Friesen
2007-07-25 20:55 ` Chris Snook
2007-07-25 21:15 ` Li, Tong N
2007-07-25 22:24 ` Chris Snook
2007-07-26 19:00 ` Tong Li
2007-07-26 21:31 ` Ingo Molnar
2007-07-26 22:00 ` Li, Tong N
2007-07-27 1:34 ` Tong Li
2007-07-27 17:16 ` Chris Snook
2007-07-27 19:03 ` Tong Li
2007-07-27 22:20 ` Bill Huey
2007-07-27 23:36 ` Chris Snook
2007-07-28 0:54 ` Bill Huey
2007-07-28 2:59 ` Chris Snook
2007-07-28 19:38 ` Tong Li
2007-07-29 2:40 ` Chris Snook
2007-07-28 19:23 ` Tong Li
2007-07-29 3:01 ` Chris Snook
2007-07-25 18:20 ` Li, Tong N
2007-07-25 19:18 ` Ingo Molnar
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