[Cuis] Problem in VM-Dev

Phil (list) pbpublist at gmail.com
Sun Aug 16 16:21:12 CDT 2015


On Sun, 2015-08-16 at 16:58 -0400, Dan Norton wrote:
> Using cogwin-15.22.3370 and Cuis4.2-2461.image, ran the following 30+ times successfully:
> 
> 	AndreasSystemProfiler spyOn:[10000 timesRepeat: [3.14159 printString]].
> 
> Using cogwin-15.28.3410 and Cuis4.2-2461.image, ran the above 20+ times and the VM 
> crashed with a stack exception. Dump attached.
> 
> Using cogwin-15.28.3410 and Squeak4.6-15102.image, ran the following 40+ times 
> successfully:
> 
> 	MessageTally spyOn:[10000 timesRepeat: [3.14159 printString]].
> 
> What is the difference between AndreasSystemProfiler and MessageTally? Their output 
> appears similar.

They perform the same function but ASP is more accurate (esp related to
primitives) and capable of higher resolution.  Here's a write up by
Eliot back when it was originally released:
http://forum.world.st/Re-squeak-dev-AndreasSystemProfiler-Released-MIT-td4665183.html

> 
>  - Dan
> 
> On 16 Aug 2015 at 14:48, Phil (list) wrote:
> 
> > On Sun, 2015-08-16 at 14:33 -0400, Dan Norton wrote:
> > > Hi Juan,
> > > 
> > > 
> > > On 8/15/2015 Juan wrote: 
> > > >On 8/15/2015 6:07 PM, Phil (list) wrote: 
> > > >>
> > > >>> Swear not. Use any of the class methods in the profiler: 
> > > >>> AndreasSystemProfiler. For example, something like 
> > > >>>
> > > >>> AndreasSystemProfiler spyForMilliseconds: 200 
> > > >>>
> > > >> segfault (stack overflow)... 
> > > >>
> > > >
> > > >Use Cog 3370 or older. I reported the problem in VM-Dev, but
> > nobody 
> > > listened. 
> > > 
> > > 
> > > 
> > > I don't see where you reported the problem. Can you give me a
> > specific
> > > reference? Maybe if more of us post it will get some attention.
> > I
> > > searched
> > > 
> > > 
> > I just posted a reply to it a few hours ago hoping for the same
> > effect.
> > His original posts were on 7/20 and had 'Cog crash with
> > AndreasSystemProfiler' in the subject line.
> > 
> > On a related note, I'm having an issue with 3410 hanging the image
> > while
> > loading packages while 3390 is working (aside from the profiler
> > issue)
> > for me... it's always something.
> > 
> > > gmane.gmane.comp.lang.smalltalk.squeak.vm.devel 
> > > 
> > > 
> > > 
> > > for your posts in 2015 but did not see it.
> > > 
> > > 
> > >  - Dan
> > > _______________________________________________
> > > Cuis mailing list
> > > Cuis at jvuletich.org
> > > http://jvuletich.org/mailman/listinfo/cuis_jvuletich.org
> > 
> > 
> > 
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> 
> 
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