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On Sat, Dec 29 2001, Heinz Diehl wrote: > Hi! > > Running 2.5.2-pre3, hdparm shows up very poor harddisk performance > on my system compared to 2.4.x: > > [Kernel 2.5.2-pre3] > > elfie:~ # hdparm -tT /dev/hda > > /dev/hda: > Timing buffer-cache reads: 128 MB in 1.77 seconds = 72.32 MB/sec > Timing buffered disk reads: 64 MB in 22.09 seconds = 2.90 MB/sec > ^^^^ > [Kernel 2.4.17] > > elfie:~ # hdparm -tT /dev/hda > > /dev/hda: > Timing buffer-cache reads: 128 MB in 1.81 seconds = 70.72 MB/sec > Timing buffered disk reads: 64 MB in 6.61 seconds = 9.68 MB/sec Yes I just noticed that too (someone else reported it) -- seems to be due to missed merges, I'm investigating. The list corruption bug has higher prio rigth now, though. -- Jens Axboe - 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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