linux-kernel - Re: [DRAFT PATCH 2/3] perf: Implement Nehalem uncore pmu

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Date:	Mon, 08 Nov 2010 13:20:13 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Stephane Eranian <eranian@...gle.com>, robert.richter@....com,
	Cyrill Gorcunov <gorcunov@...il.com>, paulus@...ba.org,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [DRAFT PATCH 2/3] perf: Implement Nehalem uncore pmu

Lin Ming <ming.m.lin@...el.com> writes:

Looking at a an old patch.

> +
> +static void uncore_pmu_disable_events(void)
> +{
> +	struct uncore_cpu_hw_events *cpuc = &__get_cpu_var(uncore_cpu_hw_events);
> +	int node = numa_node_id();

Using numa_node_id() here implies this can't be used when NUMA is turned
off. Better use the package id.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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