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Dear Genius: Could you give an introduction about HiRes timer? What is it used for?...
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  1. 06-05-2007 #1
    loocalvinci
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    Find some genius who know well about timer

    Dear Genius:

    Could you give an introduction about HiRes timer? What is it used for?
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  2. 06-05-2007 #2
    devils casper
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    check here.
    the high-res timers feature (CONFIG_HIGH_RES_TIMERS) enables POSIX
    timers and nanosleep() to be as accurate as the hardware allows (around
    1usec on typical hardware). this feature is transparent - if enabled it
    just makes these timers much more accurate than the current HZ
    resolution. It is based on the Generic Time Of Day patchset from John
    Stultz and it in essence finishes what we started with the
    kernel/hrtimers.c code in 2.6.16.
    It is amazing what you can accomplish if you do not care who gets the credit.
    New Users: Read This First
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  3. 06-05-2007 #3
    loocalvinci
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    Copy that. And is that means that so called Hi-Res timers is something like a High-Resolution Timer, which provide us a more accurate clock.
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