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Questions tagged [perfmon]

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.

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Excel techniques for perfmon csv log file analysis

I have perfmon running against several servers, where I'm outputting to a .csv file data like CPU %time, memory bytes free, hard disk I/O metrics like s/write and writes/s. The ones graphing the SQL servers are also collecting SQL stats. The web…
Aszurom
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Variance in memory reported with perfmon vs Task Manager in Windows

I am recording Memory\% Committed Bytes In Use with perfmon every 15 seconds but I see that it doesn't always tie to task manager's reported memory %. They almost always tie but when memory starts to climb on the server, perfmon will show much lower…
vizyourdata
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What is Split IO?

I'm trying to understand the meaning of split io/sec counter for physical disk in Windows Performance monitor and don't quite get the reason why the single IO operation might be split into several. According to Microsoft documentation: Shows the…
tokitux
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perfmon - single thread utilizing max CPU - how to detect?

I work as a windows server admin. Part of my work is to maintan servers and react to monitoring alerts which are often about high CPU load. Sometimes it happens that some app or process gets stuck in an infinite loop or something and uses 100% CPU…
Vitas
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Difference between ASP.Net Applications and ASP.Net Apps vSomething Performance Counter Sets

On Microsoft Windows Server 2016 (and probably earlier versions) I see several Performance Monitor Counter sets/categories that have similar names and similar counters: \ASP.NET Applications(*)\* \ASP.NET Apps v2.0.50727(*)\* \ASP.NET Apps…
M Herbener
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"Skype for Business StatsMan PerfAgent" causing "The Open Procedure for service XXX in DLL ZZZ failed"

We followed the Microsoft article here and installed the "Skype for Business StatsMan PerfAgent" on our Skype for Business server. The product is working as expected but every 10 min the PerfAgent.exe service (running as Network Service as set by…
Sonnenbiene
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Logman - Monitor single process handle count

I am attempting to monitor the Handle Count of a single Process using logman. I am able to monitor may different counters but cannot seem to get the Process counter to filter down to the single process I am looking for. These are our logman…
leemicw
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Monitor cpu usage after crash

I am running Windows Server 2012 R2 on a dedicated server that I can only access via RDP or to turn on and off via power control. My server keeps crashing and I am not sure why. I looked at event viewer and there are many audit failures all day…
gdx
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How to Track Sockets per port per processes via PerfMon?

I'm trying to chase down how many sockets are being opened per a specific processes per a specific UDP port over time. Is there a perfmon counter to track this in Windows 2008 -> 2012R2? IE: Snmp agent appears to be spinning up a lot of requests to…
Philip
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RemoteFX Network Peformance Counters / ETW Provider

I would like to collect the data from multiple Remote Desktop Host Servers as efficiently as possible. I know that PerfMon is a consumer of ETW events that are published via an ETW Provider. My question is what ETW provider is providing the…
codeputer
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List a server's available WMI Performance data classes

How can I get a list of all WMI performance counters classes on a given server, to use in scripts for monitoring purposes. I know one can use the performance monitor, but the classes displayed don't match the name of those available via WMI…
Thomas BDX
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Why perfmon for remote desktop servers get an empty file (only time stamp)?

I'm trying to remotely monitor a server using perfmon, the output file is always empty and only the time stamp field is there?
user237212
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Perfmon % Processor Time unbalanced

I am somewhat of an accidental DBA, and I'm troubleshooting a SQL Server box where performance has been notoriously poor (as reported by the customer). I was not involved in the initial planning of this job - so I am learning more about this machine…
John Russell
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How frequently does PerfMon write to a datasource?

I am looking at running perfmon on our servers and storing the data to a data source, which is relatively easy to do. However, my concern is with how frequently Perfmon will perform data updates. Does it do this for every update? Meaning, if I…
Erik Funkenbusch
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Oracle Counters for Perfmon

How to install Oracle Counters for Windows Performance Monitor (and operfcfg.exe) on a separate machine (other than the machine where Oracle Database Server is installed) ? The Oracle database version is 11g Release 2. edit 1 : I installed the…
JohnTube
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