[sldev] [VWR] Heap checkers

Mike Monkowski monkowsk at watson.ibm.com
Thu Jul 31 12:19:24 PDT 2008


I've been using Purify on MS Windows, but haven't run it on 1.20 yet.  I 
was about to do that for looking at VWR-8428.  It runs very slow, I have 
to run in /3G mode, and I have to hack the timeout to get it to even log 
in, but it is very thorough if you have the patience. :-)

Mike

Robin Cornelius wrote:
> So the questions remain, any other good utilities that people know of,
> even platform dependent ones?, as 98% of the code is common anyway so
> an error caught somewhere is probably effecting more that one system.
> 
> The issues with the utilities are run time speed, the really through
> checkers which put pages boundaries between allocs are very very slow
> and use lots and lots of memory. I have not so far been able to get
> duma to even get to the viewer logon screen. tcmalloc runs with out
> heapcheck but with heap check gtk threads barfs and the viewer will
> not start. The other issue is that if the run time speed IS that bad
> the viewer will never hold a connection to the server and getting
> fully in world is really a requirement, any ideas here on how to
> resolve this? the Microsoft heap checker has so far not caught
> anything, including case study 1 above and also fails to get in/stay
> in world (due to viewer execution speed) 4/5 times.


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