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From: "Navin P.S" <navinp1912@gmail.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>, sedat.dilek@gmail.com
Cc: "Pandruvada, Srinivas" <srinivas.pandruvada@intel.com>,
	"Wysocki, Rafael J" <rafael.j.wysocki@intel.com>,
	"dsmythies@telus.net" <dsmythies@telus.net>,
	"jrg.otte@gmail.com" <jrg.otte@gmail.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>
Subject: Re: [intel-pstate driver regression] processor frequency very high even if in idle
Date: Thu, 31 Mar 2016 12:58:44 +0530	[thread overview]
Message-ID: <CAA=4087EuSwTH1hivdrw_vGsyTtD8buMCZ9vHuf3x0J0q-697A@mail.gmail.com> (raw)
In-Reply-To: <CAA=4085Mmv7gRpJid8UGQ4ti6c1HhaENnogd8aPrg6E-w68QWg@mail.gmail.com>

>
> On Thu, Mar 31, 2016, 5:12 AM Rafael J. Wysocki <rafael@kernel.org> wrote:
>>
>> On Thu, Mar 31, 2016 at 1:32 AM, Sedat Dilek <sedat.dilek@gmail.com>
>> wrote:
>> > On Thu, Mar 31, 2016 at 1:28 AM, Rafael J. Wysocki <rafael@kernel.org>
>> > wrote:
>> >> On Thu, Mar 31, 2016 at 1:25 AM, Sedat Dilek <sedat.dilek@gmail.com>
>> >> wrote:
>> >>> On Thu, Mar 31, 2016 at 1:17 AM, Pandruvada, Srinivas
>> >>> <srinivas.pandruvada@intel.com> wrote:
>> >>>> On Wed, 2016-03-30 at 15:46 -0700, Srinivas Pandruvada wrote:
>> >>>>> On Thu, 2016-03-31 at 00:25 +0200, Rafael J. Wysocki wrote:
>> >>>>> >
>> >>>>> > On 3/31/2016 12:18 AM, Srinivas Pandruvada wrote:
>> >>>>> > >
>> >>>>> > >
>> >>>>> > > On Wed, 2016-03-30 at 23:41 +0200, Sedat Dilek wrote:
>> >>>>> > > >
>> >>>>> > > >
>> >>>>> > > > Hi,
>> >>>>> > > >
>> >>>>> > > > (snipped)
>>
>> But it is not clear to us whether or not your system has regressed
>> with respect to 4.5, which is the whole point of this thread.  Do you
>> see a regression here?
>>
>> Jörg in particular is saying that he sees the problem with both
>> performance and powersave settings.  What about you?

Resend.


 https://bugzilla.kernel.org/show_bug.cgi?id=114741

I was looking through ubsan and found this relevant.Hp envy runs on
x64 but the bug seems to mention (ia64).

 I see two versions rdmsrl and rdmsrl_safe.
These values are filled by rdmsrl .Does changing to safe function help .

 Can an exception ever happen in case of  MSR_IA32_APERF ?

Those values certainly cannot be negative and so huge.

  parent reply	other threads:[~2016-03-31  7:29 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-30 21:41 [intel-pstate driver regression] processor frequency very high even if in idle 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 [this message]
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
  -- strict thread matches above, loose matches on Subject: below --
2016-03-29 17:24 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
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

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