[Nottingham] Time
Roger Light
roger at atchoo.org
Tue Jan 30 17:55:43 GMT 2007
On 30/01/07, martin <martin at stupids.org> wrote:
> On Tue, 2007-01-30 at 17:48 +0000, Joshua Lock wrote:
>
> > Can anyone help me out? I've read the man page and I'm fully aware
> > that real is the actual amount of time but the page is a little vague
> > on what user and system actually measure?
> > An initial guess is that system measures things like disk i/o. Which
> > would explain why after the first of 5 consecutive runs it's consistent.
>
> I would like somebody else to back this up or refute it because I'm not
> certain, but I believe system represents cpu time spent in kernel code
> and user represents cpu time spent in userland.
That would be my understanding - it's just the same in top.
Cheers,
Roger
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