On Tue, Mar 19, 2019 at 02:38:24PM -0700, Andi Kleen wrote:
> > How much work would intel_pmu_drain_pebs_icl() be?
> >
> > I'm thinking that might not be terrible.
>
> I had it in an early version of the code, but it ended up with a lot
> of code duplication.
I'm thinking that if you remove
> How much work would intel_pmu_drain_pebs_icl() be?
>
> I'm thinking that might not be terrible.
I had it in an early version of the code, but it ended up with a lot
of code duplication.
-Andi
On 3/19/2019 10:47 AM, Peter Zijlstra wrote:
@@ -933,6 +998,19 @@ pebs_update_state(bool needed_cb, struct cpu_hw_events
*cpuc, struct pmu *pmu)
update = true;
}
+ if (x86_pmu.intel_cap.pebs_baseline && add) {
+ u64 pebs_data_cfg;
+
+
On Tue, Mar 19, 2019 at 09:03:37AM -0700, Andi Kleen wrote:
> On Tue, Mar 19, 2019 at 03:47:48PM +0100, Peter Zijlstra wrote:
> > On Mon, Mar 18, 2019 at 02:41:25PM -0700, kan.li...@linux.intel.com wrote:
> > > From: Kan Liang
> > >
> > > Adaptive PEBS is a new way to report PEBS sampling
On Tue, Mar 19, 2019 at 03:47:48PM +0100, Peter Zijlstra wrote:
> On Mon, Mar 18, 2019 at 02:41:25PM -0700, kan.li...@linux.intel.com wrote:
> > From: Kan Liang
> >
> > Adaptive PEBS is a new way to report PEBS sampling information. Instead
> > of a fixed size record for all PEBS events it
On Mon, Mar 18, 2019 at 02:41:25PM -0700, kan.li...@linux.intel.com wrote:
> From: Kan Liang
>
> Adaptive PEBS is a new way to report PEBS sampling information. Instead
> of a fixed size record for all PEBS events it allows to configure the
> PEBS record to only include the information needed.
From: Kan Liang
Adaptive PEBS is a new way to report PEBS sampling information. Instead
of a fixed size record for all PEBS events it allows to configure the
PEBS record to only include the information needed. Events can then opt
in to use such an extended record, or stay with a basic record
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