Subject: Re: more on performance of "make build" in -current vs. 1.5
To: Jason R Thorpe <>
From: Hubert Feyrer <>
List: tech-kern
Date: 02/19/2001 19:10:31
On Mon, 19 Feb 2001, Jason R Thorpe wrote:
>  > shouldn't this result in *less* CPU use (as no IO needs to be scheduled)?
> I/O generally doesn't cause CPU time unless it's non-DMA.

IO itself not, but telling the disk to do IO (setting up registers,
...) does as far as I understand. 

 - Hubert

Hubert Feyrer <>