Re: Memory fragmentation in a 32-bit application
Re: Memory fragmentation in a 32-bit application
- Subject: Re: Memory fragmentation in a 32-bit application
- From: Jean-Daniel Dupas <email@hidden>
- Date: Tue, 20 Jul 2010 09:31:50 +0200
Le 20 juil. 2010 à 00:31, Greg Parker a écrit :
> On Jul 19, 2010, at 3:26 PM, Mitchell J Laurren-Ring wrote:
>> I have concluded that the failure is probably happening as result of fragmentation in our VM space but I'm not sure how to confirm that. Are there any tools that can be used to visualize an application's VM space? I've used Instruments quite extensively but it has problems with apps that use a lot of resources and I don't think it has the ability that I seek.
>
> Start with the VM Tracker instrument and the vmmap command-line tool. They'll show you how your app's virtual address space is carved up, and give some information about what each region is used for (mapped files, stacks, malloc, window buffers, etc).
>
>
The heap command line tool is also very helpful to track this kind of problem.
-- Jean-Daniel
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