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Date: Sat, 26 May 2007 16:07:49 +0200 From: Tommy Vercetti <vercetti@...w.org> To: Paolo Ornati <ornati@...twebnet.it> Cc: linux-kernel@...r.kernel.org Subject: Re: 2.6.21.1 - 97% wait time on IDE operations On Saturday 26 May 2007 15:52, Paolo Ornati wrote: > On Sat, 26 May 2007 15:05:38 +0200 > It means that the disk is slow and the CPU is fast... so while the disk > is busy seeking and reading data the CPU has nothing to do but wait for > it. > > Idle == CPU has nothing to do > Waiting == CPU has nothing to do, but it will have as soon as the slow > disk (or whatever) delivers data mhm. > Anyway 97% is quite high... what CPU / Hard Disk do you have? Intel(R) Pentium(R) M processor 1400MHz TOSHIBA MK8025GAS > What kernel version? 2.6.21.1 > I/O scheduler? (cat /sys/block/DEVICE/queue/scheduler) gj@...pet:~$ cat /sys/block/hda/queue/scheduler noop anticipatory deadline [cfq] > Filesystem? reiser3 > And what time of "operations" are you doing? apt-get install, vmware -- Vercetti - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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