• Capturing Windows Perfmon Metrics

    Posted on February 20, 2013 by Admin

    This is the first in the series of articles about performance monitoring under load and how to use the LoadRunner Analysis tool effectively. In my experience, about 60% to 70% of new LoadRunner users never consider all the monitoring capabilities within the product. They only focus on the end user experience – or Transaction Timings as we call them. An important part of performance test execution is to monitor the vital metrics of the infrastructure hosting the application while under load. How else will you know why the end user Read Entire Entry

  • Heap Counters For Windows Perfmon

    Posted on March 11, 2009 by Admin

    I came across this article today about adding HEAP counters in Perfmon by turning on a registry key:

    The heap performance-monitoring counter is a new feature in Microsoft Windows XP. This feature is included in Microsoft Windows Server 2003, Windows Vista, and Windows Server 2008. Performance Logs and Alerts (Perfmon.exe) can display about 20 heap-related counters. These counters are not enabled by default; you must enable them.
    See the article for a complete listing of the counters it ad Read Entire Entry

  • Disappearing Perfmon Counters

    Posted on March 2, 2009 by Admin

    I had a strange issue on my machine today. I opened up Perfmon and there were no counters available to add for my localhost machine, or my machine by name. After some research on the topic I found this web site:

    In short, I was missing two files called perfc009.dat and perfh009.dat. I had to restore the two files from the XP install CD and place them into my %Systemroot%\System32\ directory. I launched Perfmon and everythi Read Entire Entry