On Thu, Jan 28, 2016 at 6:25 PM, Shilpasri G Bhat <shilpa.b...@linux.vnet.ibm.com> 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. >
Looks good to me. You've got the reviews and acks you need. Balbir Singh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
