Re: [Gc] Is there a way to walk the entire heap of live obj ects

Hi,
I have added heap walk feature (to master) based on code developed by Peter. 
--
понедельник, 16 июня 2014г., 15:03 +03:00 от Paul Bone < [email protected]> :

>On Fri, Jun 06, 2014 at 02:16:27PM +1000, Peter Wang wrote:
>> On Thu, 05 Jun 2014 07:57:53 -0400, Christian Schafmeister < [email protected] > wrote:
>> > Hi there,
>> > 
>> > Is there any functionality in the Boehm GC that would allow me to
>> > freeze the garbage collector and walk the heap of live objects?    I’d
>> > like to take an inventory of all of the live objects to determine the
>> > source of my current memory problems (30 GB of virtual memory used
>> > after 4 hours of runtime).
>> 
>> Hi,
>> 
>> We do something like that in the Mercury project using the following
>> function.
>> 
>> I am not an expert on Boehm GC internals, and the code is only used in a
>> special memory profiling grade, so not heavily exercised.
>> Please let me know if there is something wrong with it.
>> 
>
>I'm chasing down a bug that I think is in Boehm GC and affects Mercury. 
>I'm going through the various changes that we've made to the collector
>including Peter's change and rebasing them onto version 7.4.2 (they were on
>7.2).
>
>Here is Peter's code for enumerating reachable objects as a patch on version
>7.4.2 incase anyone finds it useful or would like to include it upstram.
>
>https://github.com/PaulBone/bdwgc/tree/peter_trace_heap
>
>Thanks.
>
>-- 
>Paul Bone
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