Re: Disk cache

On Apr 20, 2006, at 18:42, Radu Hociung wrote:

> Arvid Norberg wrote:
> > I was primarily thinking about your testbench.
>
> Perhaps I don't understand what you're asking. What would you like to
> use on a clean strace log?
>
> The only thing that my testbench does currently is to add a comment on
> every _lseek, read and write line showing cumulative efficiency on  
> that
> file descriptor, along with the position of the drive heads at the  
> time
> the read/write call was made. These two pieces of information are only
> used to plot the fancy graphs I've shown.
>
> You can certainly derive the same plots from a clean strace log, which
> contains all the necessary information.

Well, basically I would like to run the kinds of test that you did,  
but on darwin. ang generate the graphs to see if any changes I've  
made improves any performance.


--
Arvid Norberg




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