From: Ingo Molnar <mingo@elte.hu>
To: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: vatsa@in.ibm.com, clameter@sgi.com, tglx@linutronix.de,
arjan@linux.intel.com, linux-kernel@vger.kernel.org
Subject: Re: [RFC] Patch: dynticks: idle load balancing
Date: Tue, 16 Jan 2007 12:35:05 +0100 [thread overview]
Message-ID: <20070116113505.GA6294@elte.hu> (raw)
In-Reply-To: <20061219131223.E23105@unix-os.sc.intel.com>
Suresh,
on the latest -rt kernel, when the dynticks load-balancer is enabled,
then a dual-core Core2 Duo test-system increases its irq rate from the
normal 15/17 per second to 300-400/sec - on a completely idle system(!).
Any idea what's going on? I'll disable the load balancer for now.
Ingo
next prev parent reply other threads:[~2007-01-16 11:36 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-11 23:53 [RFC] Patch: dynticks: idle load balancing Siddha, Suresh B
2006-12-13 22:43 ` Ingo Molnar
2006-12-13 23:13 ` Ingo Molnar
2006-12-13 23:03 ` Siddha, Suresh B
2006-12-13 23:31 ` Ingo Molnar
2006-12-13 23:19 ` Siddha, Suresh B
2006-12-14 0:34 ` Ingo Molnar
2006-12-19 20:12 ` Ingo Molnar
2006-12-19 21:12 ` Siddha, Suresh B
2007-01-16 11:35 ` Ingo Molnar [this message]
2007-01-30 21:57 ` Siddha, Suresh B
2007-02-07 22:19 ` Siddha, Suresh B
2007-02-17 2:03 ` [patch 1/2] sched: fix idle load balancing in softirqd context Siddha, Suresh B
2007-02-17 2:08 ` [patch 2/2] sched: dynticks idle load balancing - v2 Siddha, Suresh B
2007-02-21 20:23 ` Andrew Morton
2007-02-22 3:14 ` Nick Piggin
2007-02-24 2:01 ` [patch] sched: dynticks idle load balancing - v3 Siddha, Suresh B
2007-02-22 3:26 ` [patch 2/2] sched: dynticks idle load balancing - v2 Nick Piggin
2007-02-22 22:33 ` Siddha, Suresh B
2007-02-23 3:43 ` Nick Piggin
2007-02-17 14:42 ` [patch 1/2] sched: fix idle load balancing in softirqd context Steven Rostedt
2007-02-21 6:25 ` Siddha, Suresh B
2007-02-21 20:13 ` Andrew Morton
2006-12-13 23:48 ` [RFC] Patch: dynticks: idle load balancing Ingo Molnar
2006-12-20 0:49 ` Steven Rostedt
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