On Tue, 2012-10-30 at 23:40 -0700, Sukadev Bhattiprolu wrote:
> So instead of the names I came up with in this patch,
> stalled-cycles-fixed-point
> we could use the name used in the CPU spec - 'cmplu_stall_fxu' in the arch
> specific code ?
You could, but I would advise against it. Human readab
Peter Zijlstra [pet...@infradead.org] wrote:
| On Tue, 2012-10-16 at 11:31 -0700, Sukadev Bhattiprolu wrote:
| > On a side note, how does the kernel on x86 use the 'config' information in
| > say /sys/bus/event_source/devices/cpu/format/cccr ? On Power7, the raw
| > code encodes the information su
On Tue, 2012-10-16 at 11:31 -0700, Sukadev Bhattiprolu wrote:
> On a side note, how does the kernel on x86 use the 'config' information in
> say /sys/bus/event_source/devices/cpu/format/cccr ? On Power7, the raw
> code encodes the information such as the PMC to use for the event. Is that
> how the
Stephane Eranian [eran...@google.com] wrote:
| So all in all, I think this is not a very good idea. You have to put
| this into the tool or a library that auto-detects the
| host CPU and programs the right set of events.
|
| We've had that discussion many times. Just reiterating my personal
| opin
Robert Richter [robert.rich...@amd.com] wrote:
| Sukadev,
|
| On 15.10.12 17:55:34, Robert Richter wrote:
| > On 11.10.12 18:28:39, Sukadev Bhattiprolu wrote:
| > > + { .type = PERF_TYPE_HARDWARE, .config =
PERF_COUNT_HW_STALLED_CYCLES_FIXED_POINT },
| > > + { .type = PERF_TYPE_HARDWARE, .confi
On Tue, Oct 16, 2012 at 12:08 PM, Robert Richter wrote:
> Sukadev,
>
> On 15.10.12 17:55:34, Robert Richter wrote:
>> On 11.10.12 18:28:39, Sukadev Bhattiprolu wrote:
>> > + { .type = PERF_TYPE_HARDWARE, .config =
>> > PERF_COUNT_HW_STALLED_CYCLES_FIXED_POINT },
>> > + { .type = PERF_TYPE_HARDW
Sukadev,
On 15.10.12 17:55:34, Robert Richter wrote:
> On 11.10.12 18:28:39, Sukadev Bhattiprolu wrote:
> > + { .type = PERF_TYPE_HARDWARE, .config =
> > PERF_COUNT_HW_STALLED_CYCLES_FIXED_POINT },
> > + { .type = PERF_TYPE_HARDWARE, .config =
> > PERF_COUNT_HW_STALLED_CYCLES_LOAD_STORE },
> >
On 10/15/2012 10:53 PM, Arun Sharma wrote:
> On 10/15/12 8:55 AM, Robert Richter wrote:
>
> [..]
>> Perf tool works then out-of-the-box with:
>>
>> $ perf record -e cpu/stalled-cycles-fixed-point/ ...
>>
>> The event string can easily be reused by other architectures as a
>> quasi standard.
>
>
On 10/15/12 8:55 AM, Robert Richter wrote:
[..]
Perf tool works then out-of-the-box with:
$ perf record -e cpu/stalled-cycles-fixed-point/ ...
The event string can easily be reused by other architectures as a
quasi standard.
I like Robert's proposal better. It's hard to model all the stall
On 11.10.12 18:28:39, Sukadev Bhattiprolu wrote:
> + { .type = PERF_TYPE_HARDWARE, .config =
> PERF_COUNT_HW_STALLED_CYCLES_FIXED_POINT },
> + { .type = PERF_TYPE_HARDWARE, .config =
> PERF_COUNT_HW_STALLED_CYCLES_LOAD_STORE },
> + { .type = PERF_TYPE_HARDWARE, .config =
> PERF_COUNT_HW_STALL
On 10/12/2012 06:58 AM, Sukadev Bhattiprolu wrote:
>
> From 89cb6a25b9f714e55a379467a832ee015014ed11 Mon Sep 17 00:00:00 2001
> From: Sukadev Bhattiprolu
> Date: Tue, 18 Sep 2012 10:59:01 -0700
> Subject: [PATCH] perf: Add a few generic stalled-cycles events
>
> The existing generic event 'stall
>From 89cb6a25b9f714e55a379467a832ee015014ed11 Mon Sep 17 00:00:00 2001
From: Sukadev Bhattiprolu
Date: Tue, 18 Sep 2012 10:59:01 -0700
Subject: [PATCH] perf: Add a few generic stalled-cycles events
The existing generic event 'stalled-cycles-backend' corresponds to
PM_CMPLU_STALL event in Power7
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