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Questions tagged [perfmon]

A tool used to launch Performance Monitor for Microsoft Windows.

A tool used to launch Performance Monitor for Microsoft Windows.

Performance Monitor is an MMC (Microsoft Management Console) snap-in used to view Microsoft Windows performance data, and configure performance metrics tracking.

More information on perfmon.exe here, and on Performance Monitor here.

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How to programmatically log PerformanceCounter

I understand that using Perfmon.msc you can create a custom performance counter and by using counter log, you can write the counter value to a text file. I also understand I can also use this programmatically by creating a performance counter by…
Louis Rhys
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W3WP#N Mapping To _LMW3SVC_#_ROOT (Perfmon Counters)

We do have multiple sites hosted on same server with multiple appdomain. I am trying to read perfmon for specific site "Request/Sec" (Any many other). What I encountered is name of instance is not user friendly in Perfmon Monitor. Is there any…
TorontoKid
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Determining which SQL Server database is spiking the CPU

We are running SQL Server 2008 with currently around 50 databases of varying size and workload. Occasionally SQL Server spikes the CPU completely for about a minute, after which it drops to normal baseline load. My problem is that I can't determine…
Torben Warberg Rohde
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Selecting the correct AppPool in PerfMon instances

I have a webserver with six App Pools. When I want to add counters in PerfMon for a specific ASP.NET application, the available instances have very different names. For example, I have an App Pool named “FrontEnd”, and these are the instances…
Jakob Gade
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Performance counter for Number of ports in use for making a connection

I am using this command to identify the number of ports in use netstat -anob Is there a performance counter that i can use so that i can plot a graph on perfmon and see what happens when the number of requests per second increases?
StackOverflowVeryHelpful
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Windows performance counters exposed from C++ always yields "Can't load counters" in perfmon.exe

I am trying to expose performance data using v2.0 of Windows Performance Counters. I believe I have followed the instructions correctly, but perfmon.exe always says "Can't load counters" for my counter set. Here's my manifest that I store in a file…
Michael Gunter
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Performance counter permissions: admin not required?

Can someone clarify for me exactly what permissions are required to read from and write to performance counters? I'm not seeing that I need any kind of special permissions to read/write performance counters and that's contrary to most resources I've…
nlawalker
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Performance Counters - ASP.NET

We are seeing request queueing on our front end web servers yet Request Wait Time metric is zero (which seems counterintuitive) So I'm looking to trace Request Wait Time.. and I see that there are up to 6 available counters for Request Wait Time;…
Dave Lawrence
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Output Cache Total Hits not being reflected in IIS performance monitor

We use output caching profiles in Web.Config like so:
Matt Beckman
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Is there a WCF service request queue performance counter?

There is a nice ASP.NET perf counter category and set of counters that can be used to track the request queue during perf test runs. However I can't find similar set for a WCF service not hosted thru IIS. Our WCF services are run as Windows services…
Schultz9999
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Is it possible to view custom ETW events, raised in C# with EventSource, in PerfMon? in real-time?

I want to raise ETW events from inside a server application to monitor performance.I would like to consume these events in perfMon or a similar tool so as to view the events graphically. Is this possible? (perfView is not available in my work…
Ian Spratt
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How can I use Performance Counter in w2k8

Problem: I can add+use performance counters in w2k8 with normal user privileges. If I try to create or access a Process performance counter, i get a message that the counter does not exist. Same thing can be tried out in a powershell, a message…
offler
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Are perfmon performance counters based on the same thing "under the hood" as the ETW events used by xperf?

I have recently been becoming acquainted with perfmon and with xperf. Perfmon uses performance counters and xperf uses ETW (event tracing for windows). Perfmon has objects that provide data, whereas xperf uses groups of "providers". As a newbie into…
user334911
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Performance monitor shows 4294967293 sessions active

I have an ASP.Net 3.5 website running in IIS 6 on Windows Server 2003 R2. It is a relatively small internal application that probably serves less than ten users at any given time. The server has 4 Gig of memory and shows that 3+ Gig is available…
TGnat
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How do I identify the thread in application that takes 100% CPU usage in PerfMon?

Trying to fine-tune/optimize my C# application. Been running PerfMon and I consistently get a spike of 100% on some operations. I can get the thread instance number from PerfMon but from Visual Studio 2015's thread window when debugging, how do I…
f0rfun
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