From: Peter Zijlstra <peterz@infradead.org>
To: eranian@google.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org,
davem@davemloft.net, fweisbec@gmail.com,
perfmon2-devel@lists.sf.net, eranian@gmail.com,
robert.richter@amd.com, acme@redhat.com
Subject: Re: [RFC PATCH 1/2] perf_events: add support for per-cpu per-cgroup monitoring (v2)
Date: Wed, 08 Sep 2010 15:52:47 +0200 [thread overview]
Message-ID: <1283953967.23762.22.camel@laptop> (raw)
In-Reply-To: <4c8793a9.cde7d80a.3bb6.0290@mx.google.com>
On Wed, 2010-09-08 at 15:30 +0200, Stephane Eranian wrote:
> + } times[NR_CPUS] ____cacheline_aligned_in_smp;
That's fail! NR_CPUS can be like 4k for distro configs.
Use proper per-cpu allocations.
next prev parent reply other threads:[~2010-09-08 13:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-08 13:30 [RFC PATCH 1/2] perf_events: add support for per-cpu per-cgroup monitoring (v2) Stephane Eranian
2010-09-08 13:52 ` Peter Zijlstra [this message]
2010-09-08 13:56 ` stephane eranian
2010-09-08 13:57 ` Peter Zijlstra
2010-09-08 13:59 ` Stephane Eranian
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