Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the calculated delta between these
timestamps lack enough accuracy.
To improve the accuracy of these time measurements to within a
On Sat, May 01, 2021 at 10:27:03AM -0500, Jason Ekstrand wrote:
On April 30, 2021 23:01:44 "Dixit, Ashutosh"
wrote:
On Fri, 30 Apr 2021 19:19:59 -0700, Umesh Nerlige Ramappa wrote:
On Fri, Apr 30, 2021 at 07:35:41PM -0500, Jason Ekstrand wrote:
On April 30, 2021
On April 30, 2021 23:01:44 "Dixit, Ashutosh" wrote:
On Fri, 30 Apr 2021 19:19:59 -0700, Umesh Nerlige Ramappa wrote:
On Fri, Apr 30, 2021 at 07:35:41PM -0500, Jason Ekstrand wrote:
On April 30, 2021 18:00:58 "Dixit, Ashutosh"
wrote:
On Fri, 30 Apr 2021 15:26:09 -0700, Umesh Nerlige Ramappa
On Fri, 30 Apr 2021 19:19:59 -0700, Umesh Nerlige Ramappa wrote:
>
> On Fri, Apr 30, 2021 at 07:35:41PM -0500, Jason Ekstrand wrote:
> > On April 30, 2021 18:00:58 "Dixit, Ashutosh"
> > wrote:
> >
> > On Fri, 30 Apr 2021 15:26:09 -0700, Umesh Nerlige Ramappa wrote:
> >
> > Looks
On Fri, Apr 30, 2021 at 07:35:41PM -0500, Jason Ekstrand wrote:
On April 30, 2021 18:00:58 "Dixit, Ashutosh"
wrote:
On Fri, 30 Apr 2021 15:26:09 -0700, Umesh Nerlige Ramappa wrote:
Looks like the engine can be dropped since all timestamps are in sync.
I
just have one
On April 30, 2021 18:00:58 "Dixit, Ashutosh" wrote:
On Fri, 30 Apr 2021 15:26:09 -0700, Umesh Nerlige Ramappa wrote:
Looks like the engine can be dropped since all timestamps are in sync. I
just have one more question here. The timestamp itself is 36 bits. Should
the uapi also report the
On Fri, 30 Apr 2021 16:00:46 -0700, Dixit, Ashutosh wrote:
>
> On Fri, 30 Apr 2021 15:26:09 -0700, Umesh Nerlige Ramappa wrote:
> >
> > Looks like the engine can be dropped since all timestamps are in sync. I
> > just have one more question here. The timestamp itself is 36 bits. Should
> > the
On Fri, 30 Apr 2021 15:26:09 -0700, Umesh Nerlige Ramappa wrote:
>
> Looks like the engine can be dropped since all timestamps are in sync. I
> just have one more question here. The timestamp itself is 36 bits. Should
> the uapi also report the timestamp width to the user OR should I just
>
On Thu, Apr 29, 2021 at 02:07:58PM -0500, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 7:34 PM Umesh Nerlige Ramappa
wrote:
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and
On Wed, Apr 28, 2021 at 7:34 PM Umesh Nerlige Ramappa
wrote:
>
> Perf measurements rely on CPU and engine timestamps to correlate
> events of interest across these time domains. Current mechanisms get
> these timestamps separately and the calculated delta between these
> timestamps lack enough
On Wed, Apr 28, 2021 at 11:43:22AM +0300, Jani Nikula wrote:
> On Tue, 27 Apr 2021, Umesh Nerlige Ramappa
> wrote:
> > Perf measurements rely on CPU and engine timestamps to correlate
> > events of interest across these time domains. Current mechanisms get
> > these timestamps separately and the
On 29/04/2021 03:34, Umesh Nerlige Ramappa wrote:
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the calculated delta between these
timestamps lack enough accuracy.
To improve
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the calculated delta between these
timestamps lack enough accuracy.
To improve the accuracy of these time measurements to within a
On 28/04/2021 23:45, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 3:14 PM Lionel Landwerlin
wrote:
On 28/04/2021 22:54, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 2:50 PM Lionel Landwerlin
wrote:
On 28/04/2021 22:24, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 3:43 AM Jani Nikula
On Wed, Apr 28, 2021 at 3:14 PM Lionel Landwerlin
wrote:
>
> On 28/04/2021 22:54, Jason Ekstrand wrote:
> > On Wed, Apr 28, 2021 at 2:50 PM Lionel Landwerlin
> > wrote:
> >> On 28/04/2021 22:24, Jason Ekstrand wrote:
> >>
> >> On Wed, Apr 28, 2021 at 3:43 AM Jani Nikula
> >> wrote:
> >>
> >>
On 28/04/2021 23:14, Lionel Landwerlin wrote:
On 28/04/2021 22:54, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 2:50 PM Lionel Landwerlin
wrote:
On 28/04/2021 22:24, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 3:43 AM Jani Nikula
wrote:
On Tue, 27 Apr 2021, Umesh Nerlige Ramappa
On 28/04/2021 22:54, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 2:50 PM Lionel Landwerlin
wrote:
On 28/04/2021 22:24, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 3:43 AM Jani Nikula wrote:
On Tue, 27 Apr 2021, Umesh Nerlige Ramappa
wrote:
Perf measurements rely on CPU and engine
On Wed, Apr 28, 2021 at 2:50 PM Lionel Landwerlin
wrote:
>
> On 28/04/2021 22:24, Jason Ekstrand wrote:
>
> On Wed, Apr 28, 2021 at 3:43 AM Jani Nikula
> wrote:
>
> On Tue, 27 Apr 2021, Umesh Nerlige Ramappa
> wrote:
>
> Perf measurements rely on CPU and engine timestamps to correlate
>
On 28/04/2021 22:24, Jason Ekstrand wrote:
On Wed, Apr 28, 2021 at 3:43 AM Jani Nikula wrote:
On Tue, 27 Apr 2021, Umesh Nerlige Ramappa
wrote:
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these
On Wed, Apr 28, 2021 at 3:43 AM Jani Nikula wrote:
>
> On Tue, 27 Apr 2021, Umesh Nerlige Ramappa
> wrote:
> > Perf measurements rely on CPU and engine timestamps to correlate
> > events of interest across these time domains. Current mechanisms get
> > these timestamps separately and the
On Tue, 27 Apr 2021, Umesh Nerlige Ramappa
wrote:
> Perf measurements rely on CPU and engine timestamps to correlate
> events of interest across these time domains. Current mechanisms get
> these timestamps separately and the calculated delta between these
> timestamps lack enough accuracy.
>
>
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the calculated delta between these
timestamps lack enough accuracy.
To improve the accuracy of these time measurements to within a
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the calculated delta between these
timestamps lack enough accuracy.
To improve the accuracy of these time measurements to within a
On Fri, 23 Apr 2021, Lionel Landwerlin wrote:
> On 21/04/2021 20:28, Umesh Nerlige Ramappa wrote:
>> +static int
>> +query_cs_cycles(struct drm_i915_private *i915,
>> +struct drm_i915_query_item *query_item)
>> +{
>> +struct drm_i915_query_cs_cycles __user *query_ptr;
>> +
On 23/04/2021 18:11, Umesh Nerlige Ramappa wrote:
On Fri, Apr 23, 2021 at 10:05:34AM +0300, Lionel Landwerlin wrote:
On 21/04/2021 20:28, Umesh Nerlige Ramappa wrote:
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current
On Fri, Apr 23, 2021 at 10:05:34AM +0300, Lionel Landwerlin wrote:
On 21/04/2021 20:28, Umesh Nerlige Ramappa wrote:
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the
On 21/04/2021 20:28, Umesh Nerlige Ramappa wrote:
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the calculated delta between these
timestamps lack enough accuracy.
To improve
Perf measurements rely on CPU and engine timestamps to correlate
events of interest across these time domains. Current mechanisms get
these timestamps separately and the calculated delta between these
timestamps lack enough accuracy.
To improve the accuracy of these time measurements to within a
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