Em Wed, Aug 23, 2017 at 10:00:37AM -0700, Stephane Eranian escreveu:
> On Wed, Aug 23, 2017 at 7:39 AM, Peter Zijlstra wrote:
> > On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
> >> > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct perf_event_header
>
Em Wed, Aug 23, 2017 at 10:00:37AM -0700, Stephane Eranian escreveu:
> On Wed, Aug 23, 2017 at 7:39 AM, Peter Zijlstra wrote:
> > On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
> >> > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct perf_event_header
> >> > *header,
> >> >
Peter Zijlstra writes:
> On Thu, Aug 24, 2017 at 11:26:17AM +1000, Michael Ellerman wrote:
>> Peter Zijlstra writes:
>> >> diff --git a/kernel/events/core.c b/kernel/events/core.c
>> >> index d704e23..b991af3 100644
>> >> --- a/kernel/events/core.c
>>
Peter Zijlstra writes:
> On Thu, Aug 24, 2017 at 11:26:17AM +1000, Michael Ellerman wrote:
>> Peter Zijlstra writes:
>> >> diff --git a/kernel/events/core.c b/kernel/events/core.c
>> >> index d704e23..b991af3 100644
>> >> --- a/kernel/events/core.c
>> >> +++ b/kernel/events/core.c
>> >> @@
On Thu, Aug 24, 2017 at 11:26:17AM +1000, Michael Ellerman wrote:
> Peter Zijlstra writes:
> >> diff --git a/kernel/events/core.c b/kernel/events/core.c
> >> index d704e23..b991af3 100644
> >> --- a/kernel/events/core.c
> >> +++ b/kernel/events/core.c
> >> @@ -6027,6
On Thu, Aug 24, 2017 at 11:26:17AM +1000, Michael Ellerman wrote:
> Peter Zijlstra writes:
> >> diff --git a/kernel/events/core.c b/kernel/events/core.c
> >> index d704e23..b991af3 100644
> >> --- a/kernel/events/core.c
> >> +++ b/kernel/events/core.c
> >> @@ -6027,6 +6033,38 @@ void
Peter Zijlstra writes:
>> diff --git a/kernel/events/core.c b/kernel/events/core.c
>> index d704e23..b991af3 100644
>> --- a/kernel/events/core.c
>> +++ b/kernel/events/core.c
>> @@ -6027,6 +6033,38 @@ void perf_output_sample(struct perf_output_handle
>> *handle,
>> }
Peter Zijlstra writes:
>> diff --git a/kernel/events/core.c b/kernel/events/core.c
>> index d704e23..b991af3 100644
>> --- a/kernel/events/core.c
>> +++ b/kernel/events/core.c
>> @@ -6027,6 +6033,38 @@ void perf_output_sample(struct perf_output_handle
>> *handle,
>> }
>> }
>>
>> +static
On Wed, Aug 23, 2017 at 06:01:25PM +, Liang, Kan wrote:
> For x86, I think we can do something as below. But I'm not sure other
> architectures.
If you'd done: git grep PERF_SAMPLE_ADDR, you'd have found:
arch/powerpc/perf/core-book3s.c:if (event->attr.sample_type &
On Wed, Aug 23, 2017 at 06:01:25PM +, Liang, Kan wrote:
> For x86, I think we can do something as below. But I'm not sure other
> architectures.
If you'd done: git grep PERF_SAMPLE_ADDR, you'd have found:
arch/powerpc/perf/core-book3s.c:if (event->attr.sample_type &
> On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
> > > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct
> > > perf_event_header *header,
> > >
> > > header->size += size;
> > > }
> > > +
> > > + if (sample_type & PERF_SAMPLE_PHYS_ADDR)
> > > +
> On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
> > > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct
> > > perf_event_header *header,
> > >
> > > header->size += size;
> > > }
> > > +
> > > + if (sample_type & PERF_SAMPLE_PHYS_ADDR)
> > > +
On Wed, Aug 23, 2017 at 7:39 AM, Peter Zijlstra wrote:
> On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
>> > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct perf_event_header
>> > *header,
>> >
>> > header->size += size;
>> > }
>> > +
On Wed, Aug 23, 2017 at 7:39 AM, Peter Zijlstra wrote:
> On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
>> > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct perf_event_header
>> > *header,
>> >
>> > header->size += size;
>> > }
>> > +
>> > + if
On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
> > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct perf_event_header
> > *header,
> >
> > header->size += size;
> > }
> > +
> > + if (sample_type & PERF_SAMPLE_PHYS_ADDR)
> > + data->phys_addr =
On Wed, Aug 23, 2017 at 04:33:08PM +0200, Peter Zijlstra wrote:
> > @@ -6145,6 +6183,9 @@ void perf_prepare_sample(struct perf_event_header
> > *header,
> >
> > header->size += size;
> > }
> > +
> > + if (sample_type & PERF_SAMPLE_PHYS_ADDR)
> > + data->phys_addr =
Michael, Maddy,
Since PPC implements PERF_SAMPLE_ADDR this affects you guys too, please
have a look.
On Wed, Aug 23, 2017 at 10:22:46AM -0400, kan.li...@intel.com wrote:
> From: Kan Liang
>
> For understanding how the workload maps to memory channels and hardware
>
Michael, Maddy,
Since PPC implements PERF_SAMPLE_ADDR this affects you guys too, please
have a look.
On Wed, Aug 23, 2017 at 10:22:46AM -0400, kan.li...@intel.com wrote:
> From: Kan Liang
>
> For understanding how the workload maps to memory channels and hardware
> behavior, it's very
From: Kan Liang
For understanding how the workload maps to memory channels and hardware
behavior, it's very important to collect address maps with physical
addresses. For example, 3D XPoint access can only be found by filtering
the physical address.
However, perf doesn't
From: Kan Liang
For understanding how the workload maps to memory channels and hardware
behavior, it's very important to collect address maps with physical
addresses. For example, 3D XPoint access can only be found by filtering
the physical address.
However, perf doesn't collect physical address
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