Re: sleep sleeping too long

[Juan RP <xtraeme%gmail.com@localhost>]

On Thu, 27 Mar 2008 15:08:27 -0500 (CDT)
"Jeremy C. Reed" <reed%reedmedia.net@localhost> wrote:

> > For instance, heavy I/O load.
> > 
> > Step by step explanation:
> > 
> >    date     - starts "date", prints time, exits
> >    sleep 3  - starts "sleep", sleeps for 3 sec.
> >    date     - waits for I/O (may wait any time, 5 sec isn't unusually long),
> >               starts "date", prints time, exits
> 
> 
> I don't see that in my case. (And system is very responsive.)
> 
> Better example:
> 
> tx:work$ time sleep 3 ; time sleep 5 ; time sleep 10
>     6.81s real     0.00s user     0.01s system
>     8.52s real     0.00s user     0.00s system
>    25.84s real     0.01s user     0.00s system

This behaviour might be seen with a "bad" timecounter, if I'm not wrong.
Which of them are you using? (try sysctl kern.timecounter).

-- 
Juan Romero Pardines - xtraeme at gmail|netbsd dot org
        The NetBSD Project

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