Estimated CPU Overhead

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Question by Derek A. · Dec 11, 2012 at 05:45 PM ·

Estimated CPU Overhead

I don't see that there is a dynaTrace self-monitoring measure called Estimated CPU Overhead anymore in 4.2. This measure was in previous versions and showed you the percent overhead caused by the dynaTrace agent. Has then been removed or just renamed? I didn't see any other measures similar in name. This helped us get a better idea of how much overhead the dynaTrace agent is causing.

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Answer 1 · 2012-12-11T17:55:25Z

Answer by McKenna J. · Dec 11, 2012 at 05:55 PM

I have seen this question before, but instead of risking confusing you by me trying to explain it I think what you are looking for is here

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Answer 2 · 2012-12-11T18:03:18Z

Answer by Derek A. · Dec 11, 2012 at 06:03 PM

Getting a page not found.

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Andreas G. ♦ · Dec 11, 2012 at 06:11 PM 0

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Hi Derek

This was a post on the internal forum. I've just moved it to the public forum. you should now be able to access it

Andi

McKenna J. Andreas G. ♦ · Dec 11, 2012 at 06:15 PM 0

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Ah i didn't even realize...

McKenna J. · Dec 11, 2012 at 06:14 PM 0

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Hmm well in 4.2 the best way to measure CPU overhead in dynaTrace is the use the CPU Sampling under Diagnose Runtime. You will then be able to see how much time is spent in dynaTrace code that has been instrumented into the application. I hope this helps get you started.

Answer 3 · 2012-12-11T18:15:07Z

Answer by Derek A. · Dec 11, 2012 at 06:15 PM

Thanks I got to the page now and it answers my question.

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Answer 4 · 2013-01-09T19:57:13Z

Answer by Derek A. · Jan 09, 2013 at 07:57 PM

Is there a better way to do this other than creating a CPU sampling? I want to be able to better monitor the CPU overhead on 400+ applications and would prefer not to have to set up CPU samplings on all applications and have them run constantly.

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Andreas G. ♦ · Jan 11, 2013 at 11:30 AM 0

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Hi Derek

right now there is no better way to measure the "estimated overhead" per agent.

Andi

Answer 5 · 2013-01-15T17:20:49Z

Answer by Derek A. · Jan 15, 2013 at 05:20 PM

Are there any plans in later releases that this will become easier to get?

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Christian S. · Jan 15, 2013 at 05:36 PM 0

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hi Derek,

there's already some approaches that we've been thinking of to get such a (hopefully) meaningful overhead estimate.

so i'm very confident we will have something in future releases, but i cannot tell when that will be.

best,
Christian

Estimated CPU Overhead

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