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

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Message-ID: <56FC4C11.40405@intel.com>
Date:	Wed, 30 Mar 2016 23:58:41 +0200
From:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
To:	sedat.dilek@...il.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 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