Perfmon is a performance monitor for Windows that allows you to examine all performance counters maintained by the operational system.

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Windows 10 Perfmon - Maximum Frequency jumps

i have a problem with my new laptop. Whenever i try to play a game, after about 15-20 minutes of gameplay, i started to get periodic stutters that can't be tied to the game itself or what's currently ...
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2k views

How is “% committed bytes in use” in Perfmon calculated?

I'm trying to track down a memory leak on a Windows 7 Embedded Panel PC. Using Perfmon I can see that the "% committed bytes in use" grows steadily at a rate of 0.77% per hour when the app in ...
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22k views

Log %CPU by Process over time

Is there any easy way on Windows to log %CPU time per process over time to a file for later analysis? As far as I can see... Task manager shows me the %CPU per process but only visually - no way to ...
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27 views

Automatically start perfmon on boot

Some of the work I do is heavily disk bound so I often have perfmon running for object PhysicalDisk, instance C: with counters % Disk Read Time & % Disk Write Time. This is easy enough to set up ...
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361 views

Make “System” process not modifiable from Task Manager like it is the case in Windows 8

FYI : I have Windows-7 Ultimate Ver 6.1 Service-Pack 1. There is a tools in the Windows-7 that called Resource Monitor . You can find it in C:\Windows\System32 directory or you also can simply run it ...
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Windows does not generate report.html for the performance reports

While I was writing up an answer for another question I was running the windows System Diagnostics and System Performance perfmon reports. The data collector sets run fine, however when I go to view ...
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49 views

Can I get Performance Monitor to stop a Data Collector Set when a process exits?

I am currently debugging a program crash and need data on its memory usage over time. This crash often happens after an extended amount of time open, especially overnight. To this end, I have defined ...
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38 views

Can I create performance counters, keep them running and periodically see the data without stopping the counter?

It might be quite a stupid question, but I seem to be unable to solve some simple monitoring need: A machine has a performance counter setup (those perfmon.exe thing from windows) that logs ...
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227 views

Powershell Script with Procdump

So I have a system that runs pretty slow at night when running a report. I've configured Performance Monitor to monitor the system. What I'm finding out is there is a process that is tying up all ...
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12 views

Can perfMon be used to understand why a page become much slower?

In my department, we have two sites, say Site 1 and Site 2. Site 2 is in backup mode (so no traffic goes into there at all, but running). Our website suddenly becomes slow this week. As there was no ...
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18 views

How to detect if someone is running perfmon locally or remotely against my server

One of my Microsoft SQL servers is lagging and I'm wondering if someone is running perfmon on it either locally or remotely - how can I detect if someone is running perfmon on the server (either ...
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35 views

Rules for accessing perf counters in perfmon?

I wrote a suite of powershell scripts using the .NET API to create, connect, and write to performance counters in perfmon. The whole setup is kind of complicated and probably not relevant to this ...
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102 views

How do I capture multiple and specific processes performance user logman/perfmon?

Currently I have created a logman counter to monitor an entire system using the following command: logman create counter genericLogging -o C:\PerfLogging\data.blg -f bincirc -c "\LogicalDisk(*)\% ...
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979 views

What's the difference between Processor and Processor Information in PerfMon counters?

In the Windows PerfMon tool it is possible to add many types of counters. What is the difference between the objects Processor and Processor Information? For example, they both have the counters: ...
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91 views

Poolmon Nonp total bytes not equal to Perfmon Memory > Nonpaged Pool Bytes

We are monitoring a server for a potential Nonpaged Pool memory leak. So we setup a cmd batch file to output to the Nonpaged Pool allocation every 10 mins. We also setup a perfmon counter log to ...
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4k views

Resource and Performance Monitor error

When I try to issue this rather simple command in cmd.exe, I run into this strange error. INPUT: C:\Windows\system32>perfmon.exe /report OUTPUT: An error occured while attempting to generate the ...
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PerfMon Counters missing

On my System (Win7 Ultimate x64, purchased & Installed in German(y), UI set to English), a lot of vital performance counters seem to be missing. When starting perfmon, I get the following ...
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Where has logging to a file in Performance Monitor gone in Windows 7?

I am running perfmon in Windows 7 embedded and I can't find how you log the counter values to a file like you can in XP. I thought it might be a limitation of Embedded 7 but I have the full version ...
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How to display battery discharge rate in watts, Windows 8 + perfmon

Windows 'perfmon' utility allows to display graphs for different counters. One of them is Battery -> "Discharge rate" that can be spotted in the internet as a good way to examine battery discharge. I ...
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167 views

.Net Specific PerfMon Counter Missing

I do have another issue with Perfmon data. On below screen you can see my Prod Box has all .Net Perfmon Data available while on Dev box it's missing. I thought it could be missing Registry ...
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37k views

Permanent fix for “Do you want to change the color scheme to improve performance?” warning? [duplicate]

I have a problem where dwm.exe keeps suggesting I disable Aero to improve my performance whenever I play either Battlefield 3 or Anno 2070. I get three choices: Disable Aero Don't disable but ask ...
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perfmon.exe itself taking 52.71% of CPU on Windows 7 after chrome dies?

On my Windows 7 machine (build 7100, x64, Dell XPS M1710 laptop), I'm getting horrible performance after chrome crashes. I kill the chrome process from the Resource Monitor, but after that perfmon....
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297 views

Usb wireless adapter causing DPC spikes

Bought 2 new TP-LINK WN722N USB wirless adapters as they were the highest rated on Newegg and were a great price. Both of them cause abnormally high DPC & Interrupt usage in Process Explorer and ...
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743 views

Help with Windows Perfmon

I want to understand how well Windows Server performs under certain application loads. Generally I want to check how CPU, memory, network and HDD are performing. What counters should I check and ...
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809 views

Performance Monitor most useful counters [closed]

Windows PerfMon has many counters. A selection is suggested on http://technet.microsoft.com/en-us/library/cc782186(WS.10).aspx but that's still a lot. Which counters would you suggest as being the ...
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490 views

what can impact windows performance besides Page File Usage, Available Physical memory and CPU usage?

Usually if windows is running slow (e.g. takes 7 seconds to open an explorer folder when it is usually sub-second), I identify that something chewing up memory or CPU. However, sometimes both are ...
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587 views

file type not installed on this computer

We are currently experiencing some memory problems on one of our windows 2008 servers, so I want to log the processes and their memory use with perfmon as suggested elsewhere on this website, but when ...
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3k views

Capture CPU usage over a 24 hour period on Windows XP [duplicate]

Possible Duplicate: How to log processes throughout workday? I would like to capture CPU usage on my Windows XP over a 24-hour period and generate a report in Excel. The granularity needs to ...
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3k views

How to determine if CPU or RAM or DISK is the bottleneck on Windows 7

How do you determine if the CPU or RAM or DISK is the bottleneck on Windows 7? Visual Studio is crippling my system and I want to find the culprit. I tried running perfmon but there are what seems ...