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CPU power consumption vs performance tuning is no longer limited to CPU frequency switching anymore: deep sleep states, traditional dynamic frequency scaling and hidden turbo/boost frequencies are tied close together and depend on each other. The first two exist on different architectures like PPC, Itanium and ARM, the latter (so far) only on X86. On X86 the APU (CPU+GPU) will only run most efficiently if CPU and GPU has proper power management in place. Users and Developers want to have *one* tool to get an overview what their system supports and to monitor and debug CPU power management in detail. The tool should compile and work on as many architectures as possible. Once this tool stabilizes a bit, it is intended to replace the Intel-specific tools in tools/power/x86 Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
11 lines
462 B
Text
11 lines
462 B
Text
ToDos sorted by priority:
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- Use bitmask functions to parse CPU topology more robust
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(current implementation has issues on AMD)
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- Try to read out boost states and frequencies on Intel
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- Adjust README
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- Somewhere saw the ability to read power consumption of
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RAM from HW on Intel SandyBridge -> another monitor?
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- Add another c1e debug idle monitor
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-> Is by design racy with BIOS, but could be added
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with a --force option and some "be careful" messages
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