perf governors pstates tweaking

	A	B	C	D	E	F	G	H	I	J
1	Z620 - 40 way Intel Xeon E5-2680 v2 - 2.8 GHz (3.6 GHz In turbo boost)
2	minfreq: 1.2 Ghz, MaxFreq: 3.6 Ghz
3	Benchmark: cc_perftests --gtest_filter=TileManagerPerfTest.EvictionTileQueueConstructAndIterate (2_16)
4		Sample 1	Sample 2	Sample 3	Sample 4	Sample 5	Sample 6	StdDev	StdDev %
5	after reboot	160889.59	153476.02	160128.88	161425.72	155683.75	162588.70	3608.70	2.27%
6	affinity	161494.36	161614.59	159176.97	161284.28	160693.88	161932.25	998.27	0.62%	taskset -c 39 CMD
7	affinity+sched	160497.27	161454.84	160677.83	161023.88	160526.70	160065.28	479.34	0.30%	sudo schedtool -F -p 50 -e CMD
8	affinity + performance + maxfreq	196765.97	200409.41	198774.30	200694.88	202048.39	201817.88	2003.44	1.00%	for cpu in /sys/devices/system/cpu/cpu*; do sudo sh -c "echo performance > $cpu/cpufreq/scaling_governor"; sudo sh -c "echo 3600000 > $cpu/cpufreq/scaling_min_freq"; done
9	affinity + performance + minfreq	201370.47	199420.00	200186.89	199033.41	202179.19	196381.47	2034.03	1.02%
10	affinity + powersave + minfreq + noturbo	70424.19	70724.96	70711.01	70516.13	70590.66	70002.27	267.18	0.38%	sudo sh -c "echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo"
11	affinity + powersave + minfreq + noturbo + nopstate	38898.91	38838.93	38855.80	38914.07	38856.37	38868.25	28.66	0.07%	for cpu in /sys/devices/system/cpu/cpu*; do for p in $(seq 4); do sudo sh -c "echo 1 > $cpu/cpuidle/state$p/disable"; done; done
12	affinity + performance + maxfreq + noturbo + nopstate	100784.30	100884.14	100752.73	100252.04	101029.09	100820.11	264.53	0.26%
13	affinity + powersave + maxfreq + noturbo + nopstate	87690.92	87808.91	87686.32	87291.07	87444.13	87710.79	195.55	0.22%
14	affinity + powersave + 2GHz + noturbo + nopstate	61692.01	61722.90	61525.05	61750.31	61651.24	61458.22	116.50	0.19%
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