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Date: Fri, 12 Aug 2011 21:51:54 +0200
From: Robert Richter <robert.richter@amd.com>
To: Peter Zijlstra <peterz@infradead.org>
CC: Ingo Molnar <mingo@elte.hu>, Arnaldo Carvalho de Melo <acme@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/7] perf, x86: Implement IBS event configuration
Message-ID: <20110812195154.GK11702@erda.amd.com>
References: <1311860812-28748-1-git-send-email-robert.richter@amd.com>
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On 02.08.11 07:35:33, Peter Zijlstra wrote:
> On Thu, 2011-07-28 at 15:46 +0200, Robert Richter wrote:
> > +static struct perf_ibs perf_ibs_fetch = {
> > +       .pmu = {
> > +               .event_init     = perf_ibs_init,
> > +               .add            = perf_ibs_add,
> > +               .del            = perf_ibs_del,
> > +       },
> > +       .msr                    = MSR_AMD64_IBSFETCHCTL,
> > +       .config_mask            = IBS_FETCH_CONFIG_MASK,
> > +       .cnt_mask               = IBS_FETCH_MAX_CNT,
> > +       .enable_mask            = IBS_FETCH_ENABLE,
> > +};
> > +
> > +static struct perf_ibs perf_ibs_op = {
> > +       .pmu = {
> > +               .event_init     = perf_ibs_init,
> > +               .add            = perf_ibs_add,
> > +               .del            = perf_ibs_del,
> > +       },
> > +       .msr                    = MSR_AMD64_IBSOPCTL,
> > +       .config_mask            = IBS_OP_CONFIG_MASK,
> > +       .cnt_mask               = IBS_OP_MAX_CNT,
> > +       .enable_mask            = IBS_OP_ENABLE,
> >  };
> >   
> 
> It it intentional that you map the IBS things to the hw task_context ?

I didn't get you here.

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center