On 09/10/2014 06:04 PM, Sameer Nanda wrote:
On Wed, Sep 10, 2014 at 5:04 PM, Rafael J. Wysocki wrote:
On Wednesday, September 10, 2014 04:39:05 PM Anup Chenthamarakshan wrote:
On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
On Wednesday, September 10, 2014 03:15:08 PM Anup
On 09/10/2014 06:04 PM, Sameer Nanda wrote:
On Wed, Sep 10, 2014 at 5:04 PM, Rafael J. Wysocki r...@rjwysocki.net wrote:
On Wednesday, September 10, 2014 04:39:05 PM Anup Chenthamarakshan wrote:
On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
On Wednesday, September 10,
On Wed, Sep 10, 2014 at 5:04 PM, Rafael J. Wysocki wrote:
> On Wednesday, September 10, 2014 04:39:05 PM Anup Chenthamarakshan wrote:
>> On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
>> > On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
>> > >
>> > >
On Wednesday, September 10, 2014 04:39:05 PM Anup Chenthamarakshan wrote:
> On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
> > On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
> > >
> > > Tools like powertop and turbostat are not present by default on
On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
> On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
> >
> > Tools like powertop and turbostat are not present by default on all systems,
> > so it is not always possible to use them :(
>
> Which systems
On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
> On Wed, Sep 10, 2014 at 09:39:30AM -0700, Dirk Brandewie wrote:
> > On 09/09/2014 04:22 PM, Anup Chenthamarakshan wrote:
> > >On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
> > >>On 09/08/2014 05:10 PM,
On Wed, Sep 10, 2014 at 09:39:30AM -0700, Dirk Brandewie wrote:
> On 09/09/2014 04:22 PM, Anup Chenthamarakshan wrote:
> >On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
> >>On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
> >>>Exported stats appear in
>
On 09/09/2014 04:22 PM, Anup Chenthamarakshan wrote:
On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
Exported stats appear in
/devices/system/cpu/intel_pstate/time_in_state as follows:
## CPU 0
40 3647
50 24342
On 10 September 2014 05:01, Anup Chenthamarakshan wrote:
> Here's a comparison of time taken to run intel_pstate_set_pstate() using
> different approaches:
> average time for a transition
> no stats 4.7us
> intel_pstate-stats
On 10 September 2014 05:01, Anup Chenthamarakshan an...@chromium.org wrote:
Here's a comparison of time taken to run intel_pstate_set_pstate() using
different approaches:
average time for a transition
no stats 4.7us
On 09/09/2014 04:22 PM, Anup Chenthamarakshan wrote:
On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
Exported stats appear in
sysfs/devices/system/cpu/intel_pstate/time_in_state as follows:
## CPU 0
40 3647
50 24342
On Wed, Sep 10, 2014 at 09:39:30AM -0700, Dirk Brandewie wrote:
On 09/09/2014 04:22 PM, Anup Chenthamarakshan wrote:
On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
Exported stats appear in
On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
On Wed, Sep 10, 2014 at 09:39:30AM -0700, Dirk Brandewie wrote:
On 09/09/2014 04:22 PM, Anup Chenthamarakshan wrote:
On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
On 09/08/2014 05:10 PM, Anup
On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
Tools like powertop and turbostat are not present by default on all systems,
so it is not always possible to use them :(
Which systems are you
On Wednesday, September 10, 2014 04:39:05 PM Anup Chenthamarakshan wrote:
On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
Tools like powertop and turbostat are not present by default on all
On Wed, Sep 10, 2014 at 5:04 PM, Rafael J. Wysocki r...@rjwysocki.net wrote:
On Wednesday, September 10, 2014 04:39:05 PM Anup Chenthamarakshan wrote:
On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote:
On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote:
On Tue, Sep 09, 2014 at 11:56:18AM +0530, Viresh Kumar wrote:
> On Tue, Sep 9, 2014 at 11:02 AM, Anup Chenthamarakshan
> wrote:
> > I had initially tried reusing cpufreq_stats.c to export stats.
> > Calling cpufreq_stats_update() via the cpufreq notifier added
> > some amount of overhead while
On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
> On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
> > Exported stats appear in
> > /devices/system/cpu/intel_pstate/time_in_state as follows:
> >
> > ## CPU 0
> > 40 3647
> > 50 24342
> > 60 144150
> > 70 202469
On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
> Exported stats appear in
> /devices/system/cpu/intel_pstate/time_in_state as follows:
>
> ## CPU 0
> 40 3647
> 50 24342
> 60 144150
> 70 202469
> ## CPU 1
> 40 4813
> 50 22628
> 60 149564
> 70 211885
> 80
On Tue, Sep 9, 2014 at 11:02 AM, Anup Chenthamarakshan
wrote:
> I had initially tried reusing cpufreq_stats.c to export stats.
> Calling cpufreq_stats_update() via the cpufreq notifier added
> some amount of overhead while switching frequencies. Specifically,
> looking up the index of the new
On Tue, Sep 9, 2014 at 11:02 AM, Anup Chenthamarakshan
an...@chromium.org wrote:
I had initially tried reusing cpufreq_stats.c to export stats.
Calling cpufreq_stats_update() via the cpufreq notifier added
some amount of overhead while switching frequencies. Specifically,
looking up the index
On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
Exported stats appear in
sysfs/devices/system/cpu/intel_pstate/time_in_state as follows:
## CPU 0
40 3647
50 24342
60 144150
70 202469
## CPU 1
40 4813
50 22628
60 149564
70 211885
80 173890
On Tue, Sep 09, 2014 at 08:15:13AM -0700, Dirk Brandewie wrote:
On 09/08/2014 05:10 PM, Anup Chenthamarakshan wrote:
Exported stats appear in
sysfs/devices/system/cpu/intel_pstate/time_in_state as follows:
## CPU 0
40 3647
50 24342
60 144150
70 202469
## CPU 1
On Tue, Sep 09, 2014 at 11:56:18AM +0530, Viresh Kumar wrote:
On Tue, Sep 9, 2014 at 11:02 AM, Anup Chenthamarakshan
an...@chromium.org wrote:
I had initially tried reusing cpufreq_stats.c to export stats.
Calling cpufreq_stats_update() via the cpufreq notifier added
some amount of
On Mon, Sep 8, 2014 at 10:03 PM, Viresh Kumar wrote:
> On 9 September 2014 05:40, Anup Chenthamarakshan wrote:
>> Exported stats appear in
>> /devices/system/cpu/intel_pstate/time_in_state as follows:
>>
>> ## CPU 0
>> 40 3647
>> 50 24342
>> 60 144150
>> 70 202469
>> ## CPU 1
>>
On 9 September 2014 05:40, Anup Chenthamarakshan wrote:
> Exported stats appear in
> /devices/system/cpu/intel_pstate/time_in_state as follows:
>
> ## CPU 0
> 40 3647
> 50 24342
> 60 144150
> 70 202469
> ## CPU 1
> 40 4813
> 50 22628
> 60 149564
> 70 211885
>
On 9 September 2014 05:40, Anup Chenthamarakshan an...@chromium.org wrote:
Exported stats appear in
sysfs/devices/system/cpu/intel_pstate/time_in_state as follows:
## CPU 0
40 3647
50 24342
60 144150
70 202469
## CPU 1
40 4813
50 22628
60 149564
70
On Mon, Sep 8, 2014 at 10:03 PM, Viresh Kumar viresh.ku...@linaro.org wrote:
On 9 September 2014 05:40, Anup Chenthamarakshan an...@chromium.org wrote:
Exported stats appear in
sysfs/devices/system/cpu/intel_pstate/time_in_state as follows:
## CPU 0
40 3647
50 24342
60 144150
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