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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IIS time-taken and \ASP.NET\Request Execution Time relation

I am aware that the IIS log entry time-taken field will also report network-time (under certain conditions). I use the PerfMon counter \ASP.NET\Request Execution Time that reports The number of ...
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17 views

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 ...
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42 views

detecting which process consumes all the CPU

The CPU usage on my Windows Server spikes up to 100% every 22 minutes. How do I know? I have set up a "Data Collector Set" in perfmon, ran it for several hours on my server and then viewed the log ...
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35 views

Does it make sense to use perfmon in a vSphere infrastructure?

vCenter has its own performance counters, so does it make sense to use perfmon to baseline or monitor things like IOPS of Windows VMs, or should I just be using vCenter counters instead? Would ...
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Permon showing gaps in data captured

My Terminal Server running Citrix XenApp 5 on Microsoft Windows 2008 is facing an issue where it locks up for a short while before it becomes normal again every now and then. I ran perfmon to perform ...
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101 views

How do I measure initiated SSL connections per second on IIS?

I am running a stress test on a web application that is being proxied by IIS/Win2008R2 and want to measure the number of SSL Transactions Per Second going across it. In production I have a F5 load ...
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36 views

ASP.NET Performance Counters Temporarily Drop To Zero

Having some performance issues with a VM Image (I do not have access to the VM Host, only the guest OS). Trying to determine why there are periods of time ranging from 10-60 seconds where the server ...
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129 views

Resource Monitor not showing expected disk read activity

Hi I have the following query. I am running a meteor web server on a windows 2008 R2 VM machine. Am trying to run a performance test on the web server. I have an automated script to access a folder ...
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159 views

Performance counter to show real IIS response time

What performance counter should I use to display current average IIS response time? ASP.NET counters correctly show the time spent in ASP.NET, but real latency is much bigger, which is confirmed by ...
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46 views

logman create alert - how to create with multiple thresholds?

I am trying to setup performance counter alert which would run a scheduled task when disk free space is lower then some percentage. I can't find how to create it using command so it has more triggers ...
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42 views

How to trace multiple providers with xperf

Xperf only lets you run one kernel session. The syntax for creating a kernel session for one provider is xperf -start MySession -on 2DA81B52-908E-7DB6-EF81-76856BB47C4F However, I cannot seem to ...
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87 views

Performance Monitor Processor Time counter blank data

I setup a simple data collector with Performance Monitor to collect Processor time(CPU Usage in %) and SQL Statistics: Batch Requests/sec @ 15 second intervals to see if i can get some baselines and ...
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133 views

Perfmon not working on remote MSMQ Queue

I am not sure if this has been asked before, but I have done a lot of searching and come up empty. Perhaps I'm asking the wrong questions or missing something quite basic here. I have 7 Public MSMQ ...
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451 views

How do I interpret a very high Avg. Disk sec/Write perfmon value?

Short version: Is the perfmon screenshot shown below enough evidence to say "something is wrong with your storage system"? Long version: I am debugging a performance problem: Some SQL Server query ...
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489 views

Server high memory and cpu - no leads

I've been asked to troubleshoot a server hosting our application at a client's facility. The client has complained to us on two separate occasions in the last week - week and a half. In one instance ...
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1answer
148 views

Why does performance monitor show more cores than I have in my DL580 server?

I ran a performance monitor trace on two hp DL580 G7 servers running Windows Server 2008 R2 with 40 CPU cores. One perfmon trace showed the server having 60 cores, and the other trace showed 64 ...
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56 views

Perfmon showing only average values

I have a dataset of perfmon data for "\System\Context switches/sec" from a number of servers, I want to show the MAX, not the average. However, the perfmon tool will only show the averages. I created ...
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643 views

Windows perfmon high C3 Time and high C3 Transitions/sec a concern?

I have servers that are running applications and are mostly idle (60-70% idle cpu). They also show a very high number of C3 Transitions/sec (2.5-3.5k/sec per core) as well as high C3 times (58%+ in ...
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143 views

Can Perfmon be used to monitor free space on a (mounted) SMB share?

Is there a way to use Windows Perfmon to monitor available space on a (mounted) SMB share? For example: on server ABC, I'd have a share \\DEF\SharedFiles mounted. As I can't set up any monitoring on ...
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93 views

Perfmon Child Processes Monitoring

I would like to monitor the process' threads performance including the child threads. Is it possible with perfmon? Currently it seams to only start monitoring already open threads.
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907 views

Windows Performance Monitor fails to record <All Instances> of selected Process counters, and just records _Total

I'm attempting to configure a DataCollector set of counters, and would like to (and do) select Process\% Processor Time\<All instances>. However, the resultant perfmon data counter collected is ...
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179 views

Logman user switch confusion

I'm setting up a powershell script that installs a logman counter on several servers that are in dire need of some performance monitoring. The documentation states that the -u switch works with ...
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180 views

Win2008 perfmon data collector set doesn't start?

I'm trying to monitor my Windows 2008 R1 performance using perfmon, however, after creating a new data collection set in perfmon, it won't start at all.
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164 views

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?
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93 views

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 ...
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248 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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62 views

Tracking memory problems

I'm experiencing some trouble with my Windows Server 2008. We're using it for hosting a bunch (~50) of Web GIS applications on IIS. This setup usually works very well, but when certain applications ...
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180 views

Remote Perfmon Is Super Slow

I'm trying to use perfmon to monitor some servers, but adding counters is excruciatingly slow. Each click freezes the window for tens of seconds. How can I speed this up?
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1k views

How can I use perfmon/logman to set up logging on a master (Windows) VM, writing to another machine on the network?

I know how to set up logging to write to a remote location in the general case - just specify the output filename using the full UNC path (e.g. \\HOST-PC\directory\logoutput.etl) when creating the log ...
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4k views

Windows “iowait” CPU utilization reporting

Does Windows account for and report "iowait" in the same manner as Linux? That is, processes enter "uninterruptible sleep" and their time spent is subtracted from "CPU free"? If so, which Perfmon ...
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1answer
106 views

Understanding %DiskTime in Perfmon

I have a server that's been jumping around 100-700 %DiskTime for the past few days. I understand this indicates an I/O bottleneck -- but what do I do from here? What do I need to check or change in ...
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402 views

Task Manager Processor %

Related to this question: How can a Perfmon "% Processor Time" counter be over 100%? I was manually observing processes in Task Manager when a user reported a problem and the Oracle process ...
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1answer
410 views

Automating a collection of Perfmon counters

I have a specific setup I'm investigating to solve a specific need we have: I have a lab that consists of 3 machines, which runs load tests and oversees other investigations as needed. During the ...
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2answers
66 views

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. ...
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608 views

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 ...
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1answer
108 views

What is System Code Total Bytes

I am trying to use perfmon, and according to MSDN, the "System Code Total Bytes" counter ... Shows the size, in bytes, of pageable operating system code currently in virtual memory. It is a ...
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310 views

Perfmon not logging to SQL Server

I'm trying to use an established Data Collector Set to start loggging perfmon counters to a local SQL Database (on a local SQL instance). However, here's what my current setup looks like: And when ...
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313 views

Average Disk Sec/Transfer

I imported a perfmon CSV into the Pal tool and it formulated the ugly csv into something very readable. . However I'm unable to identify the amount of IOPS that's being reported. I'm not sure, but ...
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56 views

Network applications with high % of system time

I have an Windows 2003 (don't laugh) server with 10GbE connectivity processing data coming to it over the network and sending it back out. Here's the graph of overall system performance and the ...
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737 views

Why aren't custom performance counters being recorded by my PerfMon data collector set?

I have six custom performance counters that were created by a .NET app. When I open Performance Monitor and add them to the live view, those counters are displayed correctly. I can see the values I ...
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117 views

Add perfmon counter from remote machine

Have a strange issue where one user on Windows 2008 Server R2 can add performance counters from a different server (same OS) but a second user can't because cannot connect to remote machine. ...
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229 views

Manually generate Data Collector report Server 2008 R2

I created a User Defined data collector set the other day to track a server for 12 hours. It seems to have run but I do not have the usual "Report", just the performance counters and the kernel ...
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603 views

Perfmon Configuration or Alert Utility for CPU usage over period of time.

I'm familiar with general perfmon configuration. However, is there a way to alert when the CPU goes to say 95%, but only if it stays there for over X minutes? If not, does anyone know a free/cheap ...
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78 views

Windows server 2008 I/O counters

For an I/O capacity study I'm working on, (on a windows server 2008R2 system) I'd like to gather absolute I/O counts for a given physical (or logical) disk over a specific period of time. When I look ...
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646 views

Windows 2008 R2: Perfmon, multiple data collection sets, it is possible

I'm trying to set up some performance monitoring on our web servers. I thought it would make sense to have 2 separate data collection sets, one with counters for the hardware and OS and another for ...
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2k views

In Windows 7, why can't I use perfmon against a remote server?

I am on Windows 7 and trying to run perfmon against Windows 2003 and Windows 2008 servers. I am running into the same issue with all remote machines. When creating a data collector set, I specify a ...
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94 views

Is there a Windows equivalent for Snap Kit?

We are hosting a 3rd-party app on a Windows workstation and we are receiving window degredation / zero window at the receive window, which is not justified by any communication behind the box. We've ...
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2answers
2k views

Perfmon counters for monitoring general IIS/MSSQL server activity

I have a virtual server with a hosting company so CPU and RAM are limited. I need to watch load/performance over time to know when to upgrade the server. The site runs multiple ASP.NET apps as well ...
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2k views

Monitoring “Request Wait Time” in PerfMon

A website I'm load testing is adding requests to the iis request queue. I can see the queue size getting bigger using the relevant performance counter: \ASP.NET\Requests Queued However I'm trying ...
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186 views

Using Perfmon counters only, how can I determine host CPU contention / overload?

I'm running VMWare and have an ESX host that is running at 100% CPU. I also have two Exchange 2010 CAS servers that are running at 100% CPU, Here are some additiona observations: The sum of the ...