[RFC v3 2/2] powerpc/selftest: Add support for cpuidle latency measurement

g/selftest/powerpc/cpuidle_latency/ $ sudo ./cpuidle_latency.sh Reviewed-by: Srikar Dronamraju Signed-off-by: Pratik R. Sampat Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/powerpc/Makefile | 1 + .../powerpc/cpuidle_latency/.gitignore| 2 + .../powerpc/cpuidl

[RFC v3 1/2] powerpc/cpuidle: cpuidle wakeup latency based on IPI and timer events

wakeup the CPU. Define a simple debugfs interface that allows for adjusting the settings to trigger IPI and timer events on a designated CPU, and to observe the resulting cpuidle wakeup latencies. Reviewed-by: Srikar Dronamraju Signed-off-by: Pratik R. Sampat Signed-off-by: Aboorva Devarajan

[RFC v3 0/2] CPU-Idle latency selftest framework

988 # Observed Avg timeout diff(ns) - State stop5: 959137 Aboorva Devarajan (2): powerpc/cpuidle: cpuidle wakeup latency based on IPI and timer events powerpc/selftest: Add support for cpuidle latency measurement arch/powerpc/Kconfig.debug| 10 + arch/powerpc/kernel/Makef