[fpc-pascal] Best practice for getting heap usage summary

Mark Morgan Lloyd markMLl.fpc-pascal at telemetry.co.uk
Thu Jan 19 10:38:56 CET 2012


Mattias Gaertner wrote:
> On Thu, 19 Jan 2012 09:06:46 +0000
> Mark Morgan Lloyd <markMLl.fpc-pascal at telemetry.co.uk> wrote:
> 
>> What is considered "best practice" for getting a summary of heap usage, 
>> in a single-threaded program which doesn't need to be Delphi-compatible?
>>
>> In Delphi programs that have had to run for an extended period I've used 
>>   AllocMemCOunt() and AllocMemSize(). What's the best way of getting 
>> something comparable for FPC- THeapStatus.TotalAllocated etc.?
> 
> Maybe you mean GetFPCHeapStatus
> 
> http://lazarus-ccr.sourceforge.net/docs/rtl/system/getfpcheapstatus.html
> 
> There is also the Delphi compatible GetHeapStatus, but only for 32bit.

Yes, I was assuming that was necessary to get the THeapStatus block. I 
take it that you're confirming that this is the way to get the info, and 
that there aren't direct RTL calls.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]



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