Shilpasri G Bhat <shilpa.b...@linux.vnet.ibm.com> writes: > 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 boxes 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.
This likely should CC stable@ as we have seen this on some machines, at least in the lab. -- Stewart Smith OPAL Architect, IBM. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/