Linux Intel Pstate driver. Kernel 3.14 RC4 Doug intel_pstate 9. WWW.Smythies.com

k315rc4doug9_r4: CPU Frequency Verses load experiment: Powersave mode; min = 40% max = 100%;

Overview:
CPU Freq Vs. Load - Overview

Detail A - Start of Experiment:
CPU Freq Vs. Load - Detail A

Detail B - End of Experiment:
CPU Freq Vs. Load - Detail B

. The CPU frequency is calm and low at the start of the experiment as shown in detail A.
. The CPU frequency settles, but with a little too much residual oscillation at the end of the experiment as shown in detail B.

References:

Doug's intel_pstate.c 9.
Script used to ramp cpu load.
Script used to ramp cpu sleep / load frequency.
Program used to create load ramp script.
Program used to create sleep / load frequency script.
Consume Program.
CPU frequency monitoring program (CPU 7).

Linux Intel Pstate driver. Kernel 3.14 RC4 Doug intel_pstate 9. WWW.Smythies.com emaildoesnotwork@smythies.com 2014.05.18 Updated 2014.05.19