Heapshot Analysis to find Memory Accretion (Leaks)
Heapshot Analysis to find Memory Accretion (Leaks)
- Subject: Heapshot Analysis to find Memory Accretion (Leaks)
- From: Bill Bumgarner <email@hidden>
- Date: Sun, 17 Oct 2010 20:52:26 -0700
Folks--
I wrote up an article on how to use the "Mark Heap" / "Heapshot Analysis" tools in Instruments to detect, analyze, and fix memory leaks, including those that leaks can't find.
http://www.friday.com/bbum/2010/10/17/when-is-a-leak-not-a-leak-using-heapshot-analysis-to-find-undesirable-memory-growth/
I would encourage everyone to give it a spin with your app. If it is document based, then:
- launch your app under Instruments with the Allocations Instrument
- (1) open a document
- select a thing, copy, paste
- close the document (without saving)
- press Mark Heap in Instruments
- goto (1)
Ideally, each "Heapshot" iteration should show 0 growth in almost all cases.
enjoy,
b.bum
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