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Re: [intel-pstate driver regression] processor frequency very high even if in idle

Started by"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
First post2016-03-31 00:00 +0200
Last post2016-03-31 00:30 +0200
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  Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> - 2016-03-31 00:00 +0200
    Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-03-31 00:30 +0200

#1367628 — Re: [intel-pstate driver regression] processor frequency very high even if in idle

From"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Date2016-03-31 00:00 +0200
SubjectRe: [intel-pstate driver regression] processor frequency very high even if in idle
Message-ID<riwjD-358-1@gated-at.bofh.it>
On 3/30/2016 11:41 PM, Sedat Dilek wrote:
> Hi,
>
> I am using Intel-PState-Driver here with v4.6-rc1 and Intel-SandyBridge-CPU.
>
> Here are my turbostat results attached.
>
> $ cd $BUILD_DIR
> $ LC_ALL=C make -C tools/ turbostat
>
> $ sudo ./turbostat -i 1 --msr=0x199 --debug --out
> /tmp/turbostat-i-1-msr-0x199-debug.txt
>
> Will try <https://patchwork.kernel.org/patch/8702071/>.
>
> Please see attached files.

Thanks for the report.

The address of linux-pm in your original message was incorrect.  Can you 
please resend the turbostat output in reply to this message?

Thanks,
Rafael

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#1367651

From"Rafael J. Wysocki" <rafael@kernel.org>
Date2016-03-31 00:30 +0200
Message-ID<riwMG-3wm-15@gated-at.bofh.it>
In reply to#1367628
On Thu, Mar 31, 2016 at 12:23 AM, Sedat Dilek <sedat.dilek@gmail.com> wrote:
> On Wed, Mar 30, 2016 at 11:58 PM, Rafael J. Wysocki
> <rafael.j.wysocki@intel.com> wrote:
>> On 3/30/2016 11:41 PM, Sedat Dilek wrote:
>>>
>>> Hi,
>>>
>>> I am using Intel-PState-Driver here with v4.6-rc1 and
>>> Intel-SandyBridge-CPU.
>>>
>>> Here are my turbostat results attached.
>>>
>>> $ cd $BUILD_DIR
>>> $ LC_ALL=C make -C tools/ turbostat
>>>
>>> $ sudo ./turbostat -i 1 --msr=0x199 --debug --out
>>> /tmp/turbostat-i-1-msr-0x199-debug.txt
>>>
>>> Will try <https://patchwork.kernel.org/patch/8702071/>.
>>>
>>> Please see attached files.
>>
>>
>> Thanks for the report.
>>
>> The address of linux-pm in your original message was incorrect.  Can you
>> please resend the turbostat output in reply to this message?
>>
>
> Sorry for the wrong ML.
>
> Attached are new (-12 with your simplified revert) and old turbostat outputs.

So the simplified revert doesn't help - or does it?

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