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Alan Cox writes: > On Sad, 2004-10-16 at 20:52, Lee Revell wrote: >> [Pavel Machek] >>> What benefits? HZ=1000 takes 1W more on my system. >> >> Better timer resolution? > > And heavily reduced accuracy on a lot of laptops > where 1000Hz is enough to make the clock slide > every time the battery state is queried or an SMM > event triggers. How low is low enough for nearly all of these laptops? Some decent choices: wrongness_% HZ_diff PIT_# HZ actual_HZ -0.00083809 -0.003051 3278 364 363.996949 -0.00016762 -0.000483 4143 288 287.999517 -0.00016762 -0.000724 2762 432 431.999276 -0.00016762 -0.001448 1381 864 863.998552 +0.00008381 +0.000304 3287 363 363.000304 +0.00008381 +0.000435 2299 519 519.000435 +0.00008381 +0.000525 1903 627 627.000525 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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