Performance Monitor is a program to monitor and log system performance on Microsoft Windows. From command-line invocation it is also known as PerfMon, perfmon, perfmon.exe and perfmon.msc, and in some versions of Windows it is known as System Monitor.
Questions tagged [perfmon]
199 questions
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What does the command "perfmon /sys /comp" do?
I discovered the command perfmon /sys /comp and that seems to allow me to launch it in "transparency mode" among other things.
I'm lacking a creative mind right now, but when would this be useful?
What do those switches mean separately?
Are…
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makerofthings7
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Monitor if Perfmon counter sets are running
We have an issue where occasionally over time, a Perfmon counter set will stop. We are looking for a way to monitor if a particular counter set is running, does anyone know of a way to do this? We use Nagios for basic alerting but we have another…
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Sperling
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What Performance Object in Performance Monitor will show Split IO/sec for USB flash drives?
I'm using a Windows XP desktop to test the I/O for a 4GB USB flash drive. I would like to use Performance Monitor to capture the statistics of the test, but neither the Physical Disk or the Logical Disk objects show the USB flash drive as a viable…
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KevinH
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Setting MaxWorkItems Has No Effect (Windows Server 2003)
We have an application that monitors remote directories for change notifications using ReadDirectoryChangesW() . According to Microsoft documentation, each outstanding change notification request consumes a "work item" resource on the server. I have…
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Haw-Bin
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Lightweight equivalent of resmon.exe for monitoring multiple servers
I'm looking to set up at-a-glanoe monitoring of CPU. disk, network and memory usage for half-dozen Windows servers.
Windows Performance Monitor is far too complex for what I need - the array of counters and statistics is overwhelming and the UI…
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Dylan Beattie
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Why is the average in perfmon different than the average calculated from the csv?
I'm looking at a Physical Disk\Avg. Disk sec/Transfer counter in perfmon. We've always had faith in the Average number that perfmon reports over the selected time span.
I can't figure out why if I use perfmon to save the data to .csv, or relog…
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Bob
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Does Logman's -cnf Switch Work?
We've been trying to create PerfMon counters that contain up to 15 minutes worth of data before writing to a new file. PerfMon can be configured to do this, but it resets these settings whenever the machine is restarted, which causes hard-to-notice…
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Hammer Bro.
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I want to measure memory usage of an application over time. How do I do it?
I want to use PerfMon to measure memory usage of the application over time, however, there are more than dozen Memory related counters.
Which one will give me an accurate picture?
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AngryHacker
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MySQL Monitoring - Cloud Instances - No System Access
Are there any MySQL monitoring suites/tools built to use on systems such as Amazon RDS where you do not have system access? Looking for something beyond custom tools (nagios, zenoss, ganglia, hyperic) and more like MySQL Enterprise Monitor, MONyog,…
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How can be cout \Process(sqlservr)\% Processor Time over 300 %
The counter, Process(sqlservr)\% Processor Time, is hovering around 361% on one of my database servers. This counter reflects the percent of total time SQL Server spent running on CPU (user mode + privilege mode).
Number of CPU's -…
user55742
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Perfmon in Windows 2008 R2 with multiple graphs with seperate durations
In Windows 2003 we could open perfmon and then add multiple snapins to have a console that displays perfmon say for example in 3 hours, 12 hours and 24 hours in the same .MSC. It was then easy to navigate the history and compare over time values…
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Mouffette
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How can I get the Resource Monitor counters into perfmon?
While troubleshooting an issue, I found that the counters available in the Resource Monitor were very helpful.
In particular, it can show, for the entire system, and for a specific process, the Network Activity (circled in red in the screencap)
I…
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Maxime
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Are WebSocket Active Requests a subset of Active Requests?
I've noticed two metrics in Performance Monitor in the W3WVC_W3WP dropdown:
Active Requests
Current number of requests being processed by the worker process.
WebSocket Active Requests
WebSocket requests currently being processed by the worker…
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Janez Kuhar
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Windows Performance Monitor does not record and only shows _Total
I have set Process counter IO data operations, and selected .
However the report is showing only shows _Total.
I am expecting to see the metric for each process.
What is the problem?
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variable
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How can I track how many IIS requests have been served via perfmon?
What is the best way to track the total number of IIS requests have been served using Perfmon. I am wanting to track sover a time period the total number of requests served but Google and searching is failing me.
Am I best using,…
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Chris
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