[Open-graphics] A really good immediate use for OGD1: PCI bus analyzer

Timothy Miller theosib at gmail.com
Tue Jan 2 00:10:07 EST 2007


On 1/1/07, Dieter <netbsd at sopwith.solgatos.com> wrote:
> > > Once the file format is designed, a "fake" data file could be
> > > generated, and the display application could be developed using that.
> > > So the display application developer doesn't need access to the
> > > hardware.
> >
> > I hadn't thought of that.  There should be a way to dump the entire
> > trace to a file and then examine it later.  Now, THERE's an instance
> > when some simple compression would come in handy.
>
> Compression?  Unix lego commands to the rescue:
>
>         $ grab_ogd_pci_data --cmdfile grab_setup_345 | gzip --best > test_run_345.gz
>

This is a good idea.  But what I meant was to use some very simple
compression in the hardware in order to shorten the length of time
necessary to download the entire trace over serial line.

-- 
Timothy Miller
http://www.cse.ohio-state.edu/~millerti


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