Using Custom Performance Counters

I'm trying to profile an application which uses the .NET cache API and would like to be able to see the cache state (hits/misses/entries, etc).

I've tried adding the counters to the UserCounters.xml, however, they are not returning any data. A sample of what I'm trying to do in the xml is show below. Any help would be appreciated.

&lt;Category Name="ASP.NET Applications"&gt; 
  &lt;Counter Category="ASP.NET Applications" Name="Cache API Entries" Units="Number"&gt; 
      &lt;Instanced /&gt;
  &lt;/Counter&gt;
&lt;/Category&gt;

Update: I was able to access the same counter with PerfMon and it showed the expected results. So I do know that the counter is working.

schwartz December 13, 2013 09:56

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6 comments

You could try a:

lodctr /R

to rebuild the little devils.

Chris.Allen December 16, 2013 08:47

0
I tried rebuilding the counters as suggested but they still don't provide any data while profiling. I did not see any errors in the event log from rebuilding either.

schwartz December 16, 2013 10:20

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Just to check- you do get the counter to appear in the list, don't you?

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Chris.Allen December 17, 2013 12:26

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Yeah, the counters are in the list and are shown in the "Chart Counters" tab of the timeline.
If I set the counter as the "main counter" and use the "Selected point" tab it says "Cache API Entries: No data". The timeline graphs also don't show any data for the cache counters - I can see the default counters perfectly fine.

schwartz December 17, 2013 13:35

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I've tried many different combinations of things and it looks like this feature is broken, sorry. I am now compiling a bug report for it.

Chris.Allen December 19, 2013 11:10

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Ok, good to know. Let me know if I can provide you with any additional information.

schwartz December 19, 2013 11:59

0

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Using Custom Performance Counters

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