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

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Message-ID: <CA+icZUXC05FASispPxHfCe2WwtkUFdhgetnrbCNogzcjoK3ECQ@mail.gmail.com>
Date:	Thu, 31 Mar 2016 00:23:57 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Doug Smythies <dsmythies@...us.net>,
	Jörg Otte <jrg.otte@...il.com>,
	Linux PM List <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [intel-pstate driver regression] processor frequency very high
 even if in idle

On Wed, Mar 30, 2016 at 11:58 PM, Rafael J. Wysocki
<rafael.j.wysocki@...el.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.

- Sedat -

View attachment "turbostat-i-1-msr-0x199-debug.txt" of type "text/plain" (33564 bytes)

View attachment "turbostat-i-1-msr-0x199-debug_4.6.0-rc1-12-iniza-small.txt" of type "text/plain" (23028 bytes)