Re: [PATCH 3/7] perf, x86: Implement IBS event configuration

From: Robert Richter
Date: Fri Aug 12 2011 - 15:52:39 EST


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

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