[lkml]   [1999]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: (disk/cpu) kernel performance problem

On Mon, 26 Jul 1999 20:37:26 -0700 (PDT), Gerald Aigner
<> said:

>> If disk I/O were infinitely slow, CPU usage would be 0%,
>> but that's not a Good Thing, is it..
> 45% is the amount of time the kernel spends in loading data from disk.

Umm, you _have_ enabled IDE DMA, haven't you, either by hdparm -d or by
enabling it by default in the kernel? 45% seems rather high unless
you're using polling transfers.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:53    [W:0.045 / U:3.856 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site