AuxXxilium/linux_dsm_epyc7002
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be0e54c4eb
linux_dsm_epyc7002/tools/power/x86
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Len Brown be0e54c4eb tools/power turbostat: Build-in "Low Power Idle" counters support 
Linux 4.15 exports the ACPI Low Power Idle Table's
counters in /sys/devices/system/cpu/cpuidle/

low_power_idle_cpu_residency_us

	Show this in the "CPU%LPI" column.

	Today this reflects the "North Complex"
	residency in PC10, so expect it to
	closely follow "Pk%pc10".

low_power_idle_system_residency_us

	Show this in the "SYS%LPI" column.

	Today, this reflects the North is in PC10,
	plus the PCH is sufficiently quiescent
	to save additional power via the "S0ix"
	system state, as measured by the
	PCH SLP_S0 counter.

Signed-off-by: Len Brown <len.brown@intel.com>
2018-06-01 23:12:40 -04:00
..
intel_pstate_tracer tools/power/x86/intel_pstate_tracer: Free the trace buffer memory 2018-01-10 01:12:04 +01:00
turbostat tools/power turbostat: Build-in "Low Power Idle" counters support 2018-06-01 23:12:40 -04:00
x86_energy_perf_policy tools/power turbostat: Don't make man pages executable 2018-06-01 17:15:09 -04:00