C state latency measurement Cherrytrail

Software Tuning, Performance Optimization & Platform Monitoring

Discussion regarding monitoring and software tuning methodologies, Performance Monitoring Unit (PMU) of Intel microprocessors, and platform updating.

C state latency measurement Cherrytrail

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Hi All,

Is there a way to measure the actual c state latencies in say cherrytrail?

intel-idle.c has a set of exit latencies.

The goal is the find the variance and improve the performance.

thanks

Venky

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