Analyzing Common CLR Performance Problems

re: Analyzing Common CLR Performance Problems

Pavel Lebedinsky — Sat, 12 Jun 2004 00:26:00 GMT

> Observe "Process\Private Bytes" perf counter
> or "MemUsage" column in the task manager

> Observe "Process\Virtual Bytes" perf counter
> or "Virtual Memory Size" column in the task
> manager.

This is a common source of confusion. MemUsage in task manager is actually Process\Working Set, and VMSize is Process\Private Bytes.

Task manager doesn't have a counter that corresponds to Process\Virtual Bytes.

> You can also use !inetdbg.vmmap command in
> ntsd/windbg.

Inetdbg.dll doesn't seem to be included with debuggers (http://www.microsoft.com/whdc/DevTools/Debugging/default.mspx). I usually use !address to get vadump-like output from cdb. It also prints a nice memory usage summary at the end.

> E.g. !heap 0 would show calls to HeapAlloc
> with no corresponding calls to HeapFree

!heap 0 just displays basic info about all heaps in the process. Latest debuggers do have several commands that are very useful for troubleshooting unmanaged heap leaks (!heap -stat, !heap -l).

re: Analyzing Common CLR Performance Problems

Saurabh Nandu — Sun, 13 Jun 2004 07:09:00 GMT

Great Post!

Generic Managed code Debugging plus understanding the whys/hows pointers

govind on web — Mon, 05 Jul 2004 15:16:00 GMT

Good GC reading

markorangel.com — Wed, 29 Sep 2004 03:16:00 GMT

Tools that help diagnose managed memory related issues

Maoni's WebLog — Tue, 09 Nov 2004 10:03:00 GMT

Tools that help diagnose managed memory related issues

Maoni's WebLog — Tue, 09 Nov 2004 10:12:00 GMT

Tools that help diagnose managed memory related issues

Maoni's WebLog — Tue, 09 Nov 2004 10:13:00 GMT

Debugging - CLR performance problems

ThoughtChain — Fri, 12 Nov 2004 14:42:00 GMT

re: Tracking down managed memory leaks

Jackie Goldstein's Weblog — Thu, 23 Dec 2004 18:11:00 GMT

Tools that help diagnose managed memory related issues

Maoni's WebLog — Thu, 09 Nov 2006 04:08:54 GMT

I was writing an internal wiki page on performance and thought this info is useful to many external readers

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