Questions tagged [perfmon]

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

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Perfmon issue, no application counters on Report.html

Can anyone help me on this issue I encountered on a Windows Server 2019 regarding reporting on Perfmon using performance counters? I've tried to monitor the utilization of our IIS servers using ...
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Why is Permon data time format is reversing day and month when I open csv in excel?

I have exported perfmon logs into csv. I open the csv in excel, and the 1st column has the datetime value, so I right click on it and format to select the following custom format: dd-mmmm-yyyy hh:mm:...
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Does sign-out have any impact on active perf mon data collector?

I have configured perf mon data collector set on windows server. I can either sign-out or disconnect from the server. I know that disconnect is generally used to keep any active programs running, so ...
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Monitor cpu usage per process

I would like to monitor CPU usage of all processes over time. By all processes I mean being able to view each process' CPU usage separately. I'd like to see the results as a graph and I prefer Perfmon,...
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perfmon asks me for NT AUTHORITY\SYSTEM credentials

I have setup my own performance counter data collector. It was running for a while and now I want to edit it. Upon clicking OK it asks me to enter credentials for NT AUTHORITY\SYSTEM! WTH? Obviously I ...
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jmeter perfmon distributed collecting data

I use jmeter perfmon plugin to collect usage of resource. When I run distributed test, each client collect data from server or just master client collect data from? First possibility is not useful.
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Which memory counter best describes the actual physical memory utilized by an application and is there a threshold value in perfmon for memory?

I'm running some performance tests on client machine to capture the Response time and resource utilization by applications, which is the memory counter that i need to look at to get the right physical ...
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Perfcounter ASP.NET Apps v4.0.30319/Requests Executing never goes down

We have ASP.NET application (with both MVC 5 and WebAPI controllers) running on Windows Server 2016 (IIS 10). Some time ago we faced performance degradation and during the analysis found out that ...
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3 answers
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Identify highest CPU or memory consuming processes

I know that one of my Windows processes is having a very high memory and/or CPU consumption every once in a while but rather for a short time only (e.g. 10 minutes). Whenever I check the PC everything ...
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Which service is run by svchost

I am currently monitoring a system with perfmon and logging the following counters: \Processor(_Total)\% Processor Time (overall usage) \Process(*)\% Processor Time (usage per process). I can later ...
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Perfmon CPU usage counters

I am trying to monitor an installation and what processes use the CPU most, to see if I am putting too much load onto it. Currently, I am monitoring the installation with perfmon, using the counters ...
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3 votes
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Save performance monitor counters?

When I start Performance Monitor, I see a line graph with the default counter. I am able to add additional counters without problems, and everything seems to work okay. However they are not "saved" ...
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Where is the Available MBytes option in Windows 7 perfmon, that is in Win XP perfmon?

I don't know much about perfmon, but I see that Win XP has an option "Available MBytes" under "Memory" after right clicking the graph and clicking "add counter". As shown in this screenshot Where is ...
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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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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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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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1 answer
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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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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 ...
2 votes
1 answer
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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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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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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 ...
13 votes
4 answers
18k views

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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.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 value as ...
4 votes
2 answers
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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 ...
33 votes
3 answers
42k 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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How to run the Performance monitor for unlimited time

How can I run the performance monitor for unlimited time? (about 2-3 weeks)
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2 answers
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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 ...
6 votes
3 answers
8k views

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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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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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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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 ...
1 vote
1 answer
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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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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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3 votes
1 answer
4k 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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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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1 vote
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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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1 answer
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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 be ...
5 votes
1 answer
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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 ...
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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....