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

From Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [intel-pstate driver regression] processor frequency very high even if in idle
Date 2016-03-31 17:20 +0200
Message-ID <riMy7-71p-37@gated-at.bofh.it> (permalink)
References (8 earlier) <ritvs-1a3-7@gated-at.bofh.it> <riuKT-2cZ-29@gated-at.bofh.it> <riuUy-2hW-9@gated-at.bofh.it> <riH5o-2PS-19@gated-at.bofh.it> <riLVo-6qF-13@gated-at.bofh.it>
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On Thu, 2016-03-31 at 07:39 -0700, Doug Smythies wrote:
> On 2016.03.31 02:24 Jörg Otte wrote:

Hi Jörg,

Can you send me your kernel config file?

Thanks,
Srinivas
> 
> > jojo@fichte:/sys/devices/system/cpu/cpufreq/policy0$ cat
> > scaling_governor
> > powersave
> > 
> > turbostat -i 1 --msr=0x199
> > CPUID(7): No-SGX
> >     CPU Avg_MHz   Busy% Bzy_MHz TSC_MHz   MSR 0x199
> >       -      45    1.74    2590    2496  0x00000000
> >       0      45    1.76    2565    2498  0x00000a00
> >       1      72    2.84    2548    2496  0x00000800
> >       2      30    1.11    2661    2496  0x00001a00
> >       3      33    1.23    2661    2495  0x00001a00
> >     CPU Avg_MHz   Busy% Bzy_MHz TSC_MHz   MSR 0x199
> >       -       9    0.35    2525    2495  0x00000000
> >       0       1    0.04    2735    2495  0x00000800
> >       1       1    0.05    2501    2495  0x00000800
> >       2      17    0.65    2540    2495  0x00001a00
> >       3      16    0.64    2501    2495  0x00001a00
> >     CPU Avg_MHz   Busy% Bzy_MHz TSC_MHz   MSR 0x199
> >       -      11    0.43    2523    2495  0x00000000
> >       0       3    0.11    2631    2495  0x00000c00
> >       1       7    0.27    2524    2495  0x00000800
> >       2      18    0.72    2527    2495  0x00001a00
> >       3      15    0.61    2501    2495  0x00001a00
> 
> Very Interesting.
> 
> I would still like to get a trace sample to post process.
> Copied from a previous e-mail:
> 
> On an otherwise idle system, do:
> 
> # perf record -a --event=power:pstate_sample sleep 300
> 
> If pressed for time, your sleep time can be less than 5 minutes,
> but try to get at least 100 seconds.
> 
> The resulting perf.data file will be too big to include as an
> on-list attachment, but send it (or them) to me off-list for
> post processing, and I'll report back.
> 
> ... Doug
> 
> 
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Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-29 19:40 +0200
  Re: [intel-pstate driver regression] processor frequency very high even if in idle "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-03-29 23:40 +0200
    Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-30 12:20 +0200
      Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-03-30 13:10 +0200
        Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-30 17:30 +0200
          Re: [intel-pstate driver regression] processor frequency very high even if in idle "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-03-30 20:40 +0200
            Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-31 11:10 +0200
              Re: [intel-pstate driver regression] processor frequency very high even if in idle "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-03-31 13:50 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-31 17:30 +0200
                Re: [intel-pstate driver regression] processor frequency very high even if in idle "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-03-31 17:50 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-31 18:20 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-31 19:30 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-31 20:00 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-04-01 02:10 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-04-01 11:50 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-04-01 17:10 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-04-01 22:30 +0200
                Re: [intel-pstate driver regression] processor frequency very high even if in idle "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-04-01 14:40 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-04-01 16:10 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-04-01 19:50 +0200
                RE: [intel-pstate driver regression] processor frequency very high even if in idle "Doug Smythies" <dsmythies@telus.net> - 2016-04-01 20:40 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-04-01 20:50 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-04-01 22:00 +0200
                RE: [intel-pstate driver regression] processor frequency very high even if in idle "Doug Smythies" <dsmythies@telus.net> - 2016-04-02 01:40 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-04-02 02:30 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-04-01 22:30 +0200
                RE: [intel-pstate driver regression] processor frequency very high even if in idle "Doug Smythies" <dsmythies@telus.net> - 2016-04-01 17:30 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-04-01 18:50 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-04-01 19:40 +0200
        Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Pandruvada, Srinivas" <srinivas.pandruvada@intel.com> - 2016-03-30 17:40 +0200
          Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-30 18:00 +0200
            Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-30 21:00 +0200
              Re: [intel-pstate driver regression] processor frequency very high  even if in idle "Rafael J. Wysocki" <rafael@kernel.org> - 2016-03-30 22:20 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-30 22:30 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Jörg Otte <jrg.otte@gmail.com> - 2016-03-31 11:30 +0200
                RE: [intel-pstate driver regression] processor frequency very high even if in idle "Doug Smythies" <dsmythies@telus.net> - 2016-03-31 16:40 +0200
                RE: [intel-pstate driver regression] processor frequency very high even if in idle "Doug Smythies" <dsmythies@telus.net> - 2016-03-31 17:20 +0200
                Re: [intel-pstate driver regression] processor frequency very high  even if in idle Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-03-31 17:20 +0200
                RE: [intel-pstate driver regression] processor frequency very high even if in idle "Doug Smythies" <dsmythies@telus.net> - 2016-04-01 09:30 +0200
            RE: [intel-pstate driver regression] processor frequency very high even if in idle "Doug Smythies" <dsmythies@telus.net> - 2016-03-30 21:00 +0200

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