From: Robert Richter <robert.richter@amd.com>
To: Chris J Arges <arges@linux.vnet.ibm.com>
Cc: oprofile-list@lists.sourceforge.net,
linux-kernel@vger.kernel.org,
Maynard Johnson <maynardj@us.ibm.com>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] oprofile: hotplug cpu fix
Date: Fri, 17 Oct 2008 11:04:05 +0200 [thread overview]
Message-ID: <20081017090405.GP1029@erda.amd.com> (raw)
In-Reply-To: <48F631E9.1010707@linux.vnet.ibm.com>
On 15.10.08 12:09:45, Chris J Arges wrote:
> From 60f07301d3c387a0405becccbdc0cfb7e99ecf39 Mon Sep 17 00:00:00 2001
> From: Chris J Arges <arges@linux.vnet.ibm.com>
> Date: Wed, 15 Oct 2008 11:03:39 -0500
> Subject: [PATCH] oprofile: hotplug cpu fix
> This patch addresses problems when hotplugging cpus while profiling.
> Instead of allocating only online cpus, all possible cpu buffers are
> allocated, which allows cpus to be onlined during operation. If a cpu is
> offlined before profiling is shutdown wq_sync_buffer checks for this
> condition then cancels this work and does not sync this buffer.
>
Applied to oprofile/oprofile-for-tip. Thanks, Chris.
-Robert
--
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@amd.com
prev parent reply other threads:[~2008-10-17 9:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-15 18:09 [PATCH] oprofile: hotplug cpu fix Chris J Arges
2008-10-17 9:04 ` Robert Richter [this message]
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