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Re: [PATCH v4 0/4] cpufreq: powernv: Redesign the presentation of throttle notification

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On Mon, Jan 11, 2016 at 02:54:36PM -0600, Shilpasri G Bhat wrote:
> In POWER8, OCC(On-Chip-Controller) can throttle the frequency of the
> CPU when the chip crosses its thermal and power limits. Currently,
> powernv-cpufreq driver detects and reports this event as a console
> message. Some machines may not sustain the max turbo frequency in all
> conditions and can be throttled frequently. This can lead to the
> flooding of console with throttle messages. So this patchset aims to
> redesign the presentation of this event via sysfs counters and
> tracepoints. 
> 
> Patches [2] to [4] will add a perf trace point "power:powernv_throttle" and
> sysfs throttle counter stats in /sys/devices/system/cpu/cpufreq/chipN.
> Patch [1] solves a bug in powernv_cpufreq_throttle_check(), which calls in to
> cpu_to_chip_id() in hot path which reads DT every time to find the chip id.

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>

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[PATCH v3 0/2] cpufreq: powernv: Redesign the presentation of throttle notification Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-04 10:30 +0100
  [PATCH v3 2/2] cpufreq: powernv: Redesign the presentation of throttle notification Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-04 10:30 +0100
  [PATCH v3 1/2] cpufreq: powernv/tracing: Add powernv_throttle tracepoint Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-04 10:30 +0100
  Re: [PATCH v3 0/2] cpufreq: powernv: Redesign the presentation of throttle notification Stewart Smith <stewart@linux.vnet.ibm.com> - 2016-01-06 08:00 +0100
  [PATCH v4 4/4] cpufreq: powernv: Add sysfs attributes to show throttle stats Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-11 22:00 +0100
  [PATCH v4 2/4] cpufreq: powernv/tracing: Add powernv_throttle tracepoint Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-11 22:00 +0100
  [PATCH v4 1/4] cpufreq: powernv: Remove cpu_to_chip_id() from hot-path Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-11 22:00 +0100
  [PATCH v4 0/4] cpufreq: powernv: Redesign the presentation of throttle notification Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-11 22:00 +0100
    [PATCH v4 3/4] cpufreq: powernv: Add a trace print for the throttle event Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-11 22:00 +0100
    Re: [PATCH v4 0/4] cpufreq: powernv: Redesign the presentation of  throttle notification Greg KH <gregkh@linuxfoundation.org> - 2016-01-11 23:30 +0100
      Re: [PATCH v4 0/4] cpufreq: powernv: Redesign the presentation of  throttle notification Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-12 03:40 +0100

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