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Groups > linux.kernel > #1320398
| 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 |
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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