linux-kernel - Re: [PATCH] perf_events: improve x86 event scheduling (v5)

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Message-ID: <1264070181.4283.1149.camel@laptop>
Date:	Thu, 21 Jan 2010 11:36:21 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	eranian@...gle.com
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, paulus@...ba.org,
	davem@...emloft.net, fweisbec@...il.com,
	perfmon2-devel@...ts.sf.net, eranian@...il.com
Subject: Re: [PATCH]  perf_events: improve x86 event scheduling (v5)

On Mon, 2010-01-18 at 10:58 +0200, Stephane Eranian wrote:
>  void hw_perf_enable(void)
>  {


> +               cpuc->n_added = 0;
> +               perf_events_lapic_init();

Just wondering, why do we need that lapic_init() there?

> +       }
>         x86_pmu.enable_all();
>  } 

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