[Vm-dev] Re: Too many full GCs in Cog/Spur ... while just drawing GUI ...

marcel.taeumel Marcel.Taeumel at hpi.de
Thu Apr 7 12:11:15 UTC 2016


Hi, there!

Jens found a memory visualization, which he did in 2006:
GCStats-jl.mcz <http://forum.world.st/file/n4888837/GCStats-jl.mcz>  

See what it shows for our problem here. Red lines indicate full GCs:
<http://forum.world.st/file/n4888837/squeak-spur-gc-problem-2.png> 

For the non-morph version of the graph, do this:

GcGraph enable.
[ [ (Delay forMilliseconds: 100) wait. GcGraph update ] repeat ] forkAt: 41.

Then do some endless loop for re-drawing:
[ActiveWorld imageForm] repeat.

Stop it via [CMD]+Dot.

Best,
Marcel



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