0
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1answer
213 views

Understanding CPU Throttle

kernel /vmlinuz-2.6.32-379.22.1.lve1.2.17.el6.x86_64 ro root=UUID=7cb0b445-0f63-4ef1-ab73-93c114d8ef6c rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto ...
4
votes
1answer
546 views

How does a CPU ever go Idle enough to enter deeper C states?

Even if no user process is running, don't the kernel processes keep the CPU active enough so as to prevent it from entering a deeper C state like C1 or C2 ?
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3answers
485 views

Does cpu consume power differently while executing instructions and while being idle?

Why does a CPU consume different quantities of power at 2Ghz when it is executing an instruction it is not executing any instruction Should'nt the CPU be consuming same power irrespective of ...
0
votes
1answer
228 views

How does a power graph of a server running a job look like when there is no CPU power management mechanism deployed

Suppose there is no CPU power management mechanism deployed in a server, and i run a job on it and monitoring the power drawn by the server by using a wall power meter, what kind of a profile do you ...
0
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3answers
232 views

changing cpu frequency dynamically depending on workload for power management

I have the cpu-usage profile of some standard benchmarks in which I can see the cpu-usage to be varying a lot . I wish to increase the cpu-frequency to the highest available value , exactly at the ...
0
votes
1answer
94 views

How do I change the minimum working frequency?

The file /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_frequency reads a value of 800 Mhz. The powertop tool also suggested that 800 Mhz w3as the minimum frequency being used. I changed the ...
0
votes
2answers
58 views

No cpufreq sub-directory in one of the nodes in our cluster

How do you change the governor from Ondemand to something else ?