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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: "Jörg Otte" <jrg.otte@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux PM list <linux-pm@vger.kernel.org>
Subject: Re: [intel-pstate driver regression] processor frequency very high even if in idle
Date: Tue, 29 Mar 2016 23:34:13 +0200	[thread overview]
Message-ID: <4187911.uaFVupaTVL@vostro.rjw.lan> (raw)
In-Reply-To: <CADDKRnCH3yCut7A4Gvk3gHw4OpOYXoG0VQRe5mh2nTjptYU0gw@mail.gmail.com>

On Tuesday, March 29, 2016 07:32:27 PM Jörg Otte wrote:
> 2016-03-29 19:24 GMT+02:00 Jörg Otte <jrg.otte@gmail.com>:
> > in v4.5 and earlier intel-pstate downscaled idle processors (load
> > 0.1-0.2%) to minumum frequency, in my case 800MHz.
> >
> > Now in v4.6-rc1 the characteristic has dramatically changed. If in
> > idle the processor frequency is more or less a few MHz around 2500Mhz.
> > This is the maximum non turbo frequency.
> >
> > No difference between powersafe or performance governor.
> >
> > I currently use acpi_cpufreq which works as usual.
> >
> > Processor:
> > Intel(R) Core(TM) i5-4200M CPU @ 2.50GHz (family: 0x6, model: 0x3c,
> > stepping: 0x3)
> >
> > Last known good kernel is: 4.5.0-01127-g9256d5a
> > First known bad kernel is: 4.5.0-02535-g09fd671
> >
> > There is
> > commit 277edba Merge tag 'pm+acpi-4.6-rc1-1' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
> > in between, which brought a few changes in intel_pstate.

Can you please check commit a4675fbc4a7a (cpufreq: intel_pstate: Replace timers
with utilization update callbacks)?

Thanks,
Rafael

  reply	other threads:[~2016-03-29 21:31 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 [this message]
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
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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