Impact of "Idle" Software on Battery Life - Intel
Impact of "Idle" Software on Battery Life - Intel
Impact of "Idle" Software on Battery Life - Intel
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Analysis• Applicati<strong>on</strong> appears to be setting a timer interval <str<strong>on</strong>g>of</str<strong>on</strong>g> 1ms• The total average CPU utilizati<strong>on</strong> < 0.2%• Many periodic activity with small intervals causing CPU wakeup bypolling driversRecommendati<strong>on</strong>s:• D<strong>on</strong>’t make the timer tick change request until it’s necessary• Use event driven code rather than polling CPU• Review the necessity <str<strong>on</strong>g>of</str<strong>on</strong>g> periodic activity and minimize• Use un-buffered I/O instead <str<strong>on</strong>g>of</str<strong>on</strong>g> calling FlushFileBuffers22
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