A Smackerel of Opinion

Notes and jottings from an ex-Ubuntu Kernel Team Engineer

Saturday, 17 October 2015

combining RAPL and perf to do power calibration

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A useful feature on modern x86 CPUs is the Running Average Power Limit (RAPL) that allows one to monitor System on Chip (SoC) power consump...
2 comments:
Friday, 18 September 2015

NumaTop: A NUMA system monitoring tool

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NumaTop is a useful tool developed by Intel for monitoring runtime memory locality and analysis of processes on Non-Uniform Memory Access (...
Monday, 14 September 2015

light-weight process stats with cpustat

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A while ago I was working on identifying busy processes on small Ubuntu devices and required a tool that could look at per process stats (fr...
Thursday, 10 September 2015

Tweaking the thermald configuration file

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The Intel Thermal deamon (aka thermald) actively monitors thermal sensors and will modify cooling controls to try to keep the hardware cool...
3 comments:
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