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From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: "Jörg Otte" <jrg.otte@gmail.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Linux PM list" <linux-pm@vger.kernel.org>,
	"Doug Smythies" <dsmythies@telus.net>
Subject: Re: [intel-pstate driver regression] processor frequency very high even if in idle
Date: Fri, 1 Apr 2016 22:24:00 +0200	[thread overview]
Message-ID: <CAJZ5v0iFgWFs+pMCJQgeiTH=zTg1pfSUa4gPGX7q2jB40dcUHA@mail.gmail.com> (raw)
In-Reply-To: <1459523120.5912.20.camel@linux.intel.com>

On Fri, Apr 1, 2016 at 5:05 PM, Srinivas Pandruvada
<srinivas.pandruvada@linux.intel.com> wrote:
> On Fri, 2016-04-01 at 11:42 +0200, Jörg Otte wrote:
>> 2016-03-31 19:55 GMT+02:00 Srinivas Pandruvada
>> <srinivas.pandruvada@linux.intel.com>:
>> > On Thu, 2016-03-31 at 19:27 +0200, Jörg Otte wrote:
>> > > 2016-03-31 17:43 GMT+02:00 Rafael J. Wysocki <rjw@rjwysocki.net>:
>> > > > On Thursday, March 31, 2016 05:25:18 PM Jörg Otte wrote:
>> > > > > 2016-03-31 13:42 GMT+02:00 Rafael J. Wysocki <rjw@rjwysocki.n
>> > > > > et>:
>> > > > > > On Thursday, March 31, 2016 11:05:56 AM Jörg Otte wrote:
> [cut]
>
>> I compile a minimum kernel for my notebook. The hardware is fix and
>> will never change. So I don't need thousends of modules to compile.
>> Kbuild supports this with target "localmodconfig".
>> In the rare cases where I get new usb-hardware I add a new driver
>> and compile a new kernel which takes only a minute.
>>
> With this minimum config, I am not able to properly run my laptop to
> reproduce.
> May be something odd in this config is triggering this issue, we are
> not going to idle on some CPUs.

You can use ./scripts/diffconfig (in the kernel source tree) to find
differences between your working config and the Jörg's one and try to
flip the bits that may matter in your config.

  reply	other threads:[~2016-04-01 20:24 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-29 17:24 [intel-pstate driver regression] processor frequency very high even if in idle Jörg Otte
2016-03-29 17:32 ` Jörg Otte
2016-03-29 21:34   ` Rafael J. Wysocki
2016-03-30 10:17     ` Jörg Otte
2016-03-30 11:05       ` Rafael J. Wysocki
2016-03-30 15:29         ` Jörg Otte
2016-03-30 18:39           ` Rafael J. Wysocki
2016-03-31  9:05             ` Jörg Otte
2016-03-31 11:42               ` Rafael J. Wysocki
2016-03-31 15:25                 ` Jörg Otte
2016-03-31 15:43                   ` Rafael J. Wysocki
2016-03-31 16:10                     ` Srinivas Pandruvada
2016-03-31 17:27                     ` Jörg Otte
2016-03-31 17:55                       ` Srinivas Pandruvada
2016-04-01  0:08                         ` Rafael J. Wysocki
2016-04-01  9:42                         ` Jörg Otte
2016-04-01 15:05                           ` Srinivas Pandruvada
2016-04-01 20:24                             ` Rafael J. Wysocki [this message]
2016-04-01  9:20                     ` Jörg Otte
2016-04-01 12:40                       ` Rafael J. Wysocki
2016-04-01 14:06                         ` Jörg Otte
2016-04-01 17:44                           ` Srinivas Pandruvada
2016-04-01 18:31                             ` Doug Smythies
2016-04-01 18:41                               ` Srinivas Pandruvada
2016-04-01 19:54                               ` Rafael J. Wysocki
2016-04-01 23:36                                 ` Doug Smythies
2016-04-02  0:28                                   ` Rafael J. Wysocki
2016-04-01 20:28                           ` Rafael J. Wysocki
2016-04-02 22:50                             ` Rafael J. Wysocki
2016-04-01 15:20                         ` Doug Smythies
2016-04-01 16:46                           ` Jörg Otte
2016-04-01 17:34                             ` Jörg Otte
2016-03-30 15:33         ` Pandruvada, Srinivas
2016-03-30 15:51           ` Jörg Otte
2016-03-30 18:50             ` Doug Smythies
2016-03-30 18:50               ` Doug Smythies
2016-03-30 18:58               ` Srinivas Pandruvada
2016-03-30 20:12                 ` Rafael J. Wysocki
2016-03-30 20:26                   ` Srinivas Pandruvada
2016-03-31  9:23                     ` Jörg Otte
2016-03-31 14:39                       ` Doug Smythies
2016-03-31 14:39                         ` Doug Smythies
2016-03-31 15:06                         ` Srinivas Pandruvada
2016-03-31 15:32                           ` Jörg Otte
2016-03-31 15:10                         ` Doug Smythies
2016-03-31 15:10                           ` Doug Smythies
2016-04-01  7:20                       ` Doug Smythies
2016-04-01  7:20                         ` Doug Smythies
2016-03-30 21:41 Sedat Dilek
2016-03-30 21:58 ` Rafael J. Wysocki
2016-03-30 22:23   ` Sedat Dilek
2016-03-30 22:29     ` Rafael J. Wysocki
2016-03-30 22:18 ` Srinivas Pandruvada
2016-03-30 22:25   ` Rafael J. Wysocki
2016-03-30 22:46     ` Srinivas Pandruvada
2016-03-30 23:17       ` Pandruvada, Srinivas
2016-03-30 23:25         ` Sedat Dilek
2016-03-30 23:28           ` Rafael J. Wysocki
2016-03-30 23:32             ` Sedat Dilek
2016-03-30 23:41               ` Rafael J. Wysocki
2016-03-31  6:38                 ` Sedat Dilek
2016-03-31  7:45                   ` Sedat Dilek
     [not found]                 ` <CAA=4085Mmv7gRpJid8UGQ4ti6c1HhaENnogd8aPrg6E-w68QWg@mail.gmail.com>
2016-03-31  7:28                   ` Navin P.S
2016-03-30 22:50   ` Doug Smythies
2016-03-30 23:12     ` Srinivas Pandruvada
2016-03-31  8:10     ` Sedat Dilek
2016-03-31 14:30       ` Doug Smythies
2016-03-31 14:30         ` Doug Smythies
2016-04-02  6:12         ` Sedat Dilek
     [not found]           ` <CA+icZUVHyq7dOh457rYv+2nmNxPevY0ZcqxhQVhYG4Z1D-NaDA@mail.gmail.com>
2016-04-02 15:28             ` Srinivas Pandruvada
2016-04-02 17:19               ` Jörg Otte
2016-04-02 18:20                 ` Sedat Dilek
2016-04-03 18:59                   ` Doug Smythies
2016-04-03 18:59                     ` Doug Smythies
2016-04-04  5:13                     ` Sedat Dilek
2016-04-04  6:14                       ` Doug Smythies
2016-04-04  6:14                         ` Doug Smythies
2016-04-04 14:12                         ` Sedat Dilek

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