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Re: [PATCH v7 0/6] cpufreq: powernv: Redesign the presentation of throttle notification and solve bug-fixes in the driver

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH v7 0/6] cpufreq: powernv: Redesign the presentation of throttle notification and solve bug-fixes in the driver
Date 2016-01-28 09:30 +0100
Message-ID <qVQ7N-FX-35@gated-at.bofh.it> (permalink)
References <qVPbH-8rA-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 28-01-16, 12:55, 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. And it also fixes couple of bugs reported in the driver.
> 
> - Patch [1] fixes a memory leak bug
> - Patch [2] fixes the cpu hot-plug bug in powernv_cpufreq_work_fn().
> - Patch [3] 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.
> - Patches [4] to [6] will add a perf trace point
>   "power:powernv_throttle" and sysfs throttle counter stats in
>   /sys/devices/system/cpu/cpufreq/chipN.
> 
> Changes from v6:
> - Changes wrt comments from Balbir Singh and Viresh Kumar.

Who cares about these names in version-log ?? You have completely
missed what should have been present here. This is version log and
that's what should be present here :)

And because of that, I have to
- search for your earlier version in my mailbox
- Read all my comments
- Haven't read what Balbir have said

See ..

-- 
viresh

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[PATCH v7 0/6] cpufreq: powernv: Redesign the presentation of throttle notification and solve bug-fixes in the driver Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 08:30 +0100
  [PATCH v7 2/6] cpufreq: powernv: Hot-plug safe the kworker thread Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 08:30 +0100
  [PATCH v7 3/6] cpufreq: powernv: Remove cpu_to_chip_id() from hot-path Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 08:30 +0100
    Re: [PATCH v7 3/6] cpufreq: powernv: Remove cpu_to_chip_id() from  hot-path Gautham R Shenoy <ego@linux.vnet.ibm.com> - 2016-01-28 09:20 +0100
    Re: [PATCH v7 3/6] cpufreq: powernv: Remove cpu_to_chip_id() from  hot-path Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-28 09:30 +0100
  [PATCH v7 6/6] cpufreq: powernv: Add sysfs attributes to show throttle stats Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 08:30 +0100
    Re: [PATCH v7 6/6] cpufreq: powernv: Add sysfs attributes to show  throttle stats Gautham R Shenoy <ego@linux.vnet.ibm.com> - 2016-01-28 09:40 +0100
    Re: [PATCH v7 6/6] cpufreq: powernv: Add sysfs attributes to show  throttle stats Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-28 09:50 +0100
      Re: [PATCH v7 6/6] cpufreq: powernv: Add sysfs attributes to show  throttle stats Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 10:40 +0100
        Re: [PATCH v7 6/6] cpufreq: powernv: Add sysfs attributes to show  throttle stats Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-28 10:50 +0100
          Re: [PATCH v7 6/6] cpufreq: powernv: Add sysfs attributes to show  throttle stats Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 11:00 +0100
    Re: [PATCH v7 6/6] cpufreq: powernv: Add sysfs attributes to show  throttle stats Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-28 12:50 +0100
  [PATCH v7 5/6] cpufreq: powernv: Replace pr_info with trace print for throttle event Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 08:30 +0100
    Re: [PATCH v7 5/6] cpufreq: powernv: Replace pr_info with trace  print for throttle event Gautham R Shenoy <ego@linux.vnet.ibm.com> - 2016-01-28 09:20 +0100
    Re: [PATCH v7 5/6] cpufreq: powernv: Replace pr_info with trace  print for throttle event Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-28 09:30 +0100
  [PATCH v7 1/6] cpufreq: powernv: Free 'chips' on module exit Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 08:30 +0100
    Re: [PATCH v7 1/6] cpufreq: powernv: Free 'chips' on module exit Gautham R Shenoy <ego@linux.vnet.ibm.com> - 2016-01-28 09:10 +0100
    Re: [PATCH v7 1/6] cpufreq: powernv: Free 'chips' on module exit Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-28 09:30 +0100
  [PATCH v7 4/6] cpufreq: powernv/tracing: Add powernv_throttle tracepoint Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> - 2016-01-28 08:30 +0100
  Re: [PATCH v7 0/6] cpufreq: powernv: Redesign the presentation of  throttle notification and solve bug-fixes in the driver Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-28 09:30 +0100
  Re: [PATCH v7 0/6] cpufreq: powernv: Redesign the presentation of  throttle notification and solve bug-fixes in the driver Balbir Singh <bsingharora@gmail.com> - 2016-01-28 12:20 +0100

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