Re: On linux kernel packaging issue

[Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>]

Eduard Bloch <edi@gmx.de> writes:

> #include <hallo.h>
> * Tobias Wolter [Sun, Nov 09 2003, 04:52:54PM]:
> > On 2003-11-09T16:19:21+0100 (Sunday), Eduard Bloch wrote:
> > > * Tobias Wolter [Sun, Nov 09 2003, 03:47:15PM]:
> > > >> # time bzip2 -9 < out.wav > /dev/null 
> > > > [...]
> > > >> # time /tmp/bzip2-1.0.2/bzip2 -9 < out.wav > /dev/null 
> > > >> Do you see now that 8 of your 10 percent come directly from the
> > > >> application code and other two maybe from the optimized libc? 
> > > > You did think of caching, did you?
> > > You did think of reading time(1), did you?
> > 
> > $ time bzcat \#debian.de_2003-07-10.log.bz2 > /dev/null; \ 
> >   sleep 10; \
> >   time bzcat \#debian.de_2003-07-10.log.bz2 > /dev/null
> 
> And you wanna say... what?!
> 
> > real    0m0.068s
> > user    0m0.030s
> ...
> > user    0m0.030s
> 
> Comparing with something you quoted away:
> 
> |# time bzip2 -9 < out.wav > /dev/null
> |
> |real    0m48.989s
> |user    0m41.930s
> ...
> |user    0m38.920s
> 
> Hint: the 'real' output was not relevant.
> 
> MfG,
> Eduard.

I think he ment that the reduced sys time might be caused by the wav
file being cached.

MfG
        Goswin