Re: Linux responsiveness under heavy load

From: Andrea Arcangeli (andrea@suse.de)
Date: Wed Mar 08 2000 - 17:56:18 EST


On Wed, 8 Mar 2000, Jamie Lokier wrote:

>Khimenko Victor wrote:
>> You can limit PROCESS'S cpu but you can not limit KERNEL'S cpu and in
>> your second example your system was mostly waited for disk to deliver
>> data in kernel mode (as for first example: 2.3 should help great deal
>> here but do not install it on production server now :-)
>
>Ingo's "low latency" patch should fix the kernel-hogs-CPU shouldn't it?

That's not the case because you never spin while waiting disk I/O
completation.

Andrea

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