SystemTracerV2 (was: Spoon progress 15 January 2006: new minimum, new system tracer)

David T. Lewis lewis at mail.msen.com
Mon Jan 16 15:29:54 UTC 2006


On Sun, Jan 15, 2006 at 10:13:38PM -0800, tim Rowledge wrote:
> > on SqueakMap and the url that's
> > supposed to be hosting SystemTracer2 and related utilities
> > (LargeCollections) no longer exists.
> Looks like the domain has lapsed. I haven't heard from Stephen Pair  
> in ages so perhaps he's moved on to other interests.
> I have put a copy of it on SM as 'SystemTracerV2' to return it to  
> accessibility.

Speaking of SystemTracer, I have a couple of questions:

1) Dan's 64 bit system tracer is tucked away at:
  http://squeakvm.org/squeak64/dist3/ChangeSets/System-Tracing.2.cs 

Could you merge this into SystemTracerV2 so it does not get lost?

2) This system tracer apparently works only for big endian machines.
Can anyone offer some tips as to what needs to be changed to make
it work on little enders? I know that the image header needs to
be written differently, but <dumb question> are there other issues
in tracing the image itself? </dumb question>

Thanks,

Dave




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