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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Using perfmon, which counters should I pay particular attention to when debugging ASP.NET and SQL performance problems?

Related Perfmon: which counter identifies that threads are waiting? but sadly abandoned by the asker Using perfmon, which counters should I pay particular attention to when debugging ASP.NET and ...
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358 views

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 ...
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309 views

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 ...
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484 views

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 ...
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2k views

Estimate IOPS for an Amazon EBS volume using Windows PerfMon

I'm evaluating moving our aging infrastructure to Amazon's AWS and am trying to estimate costs. I know our current disk space requirements, bandwidth, and most of the other variables that will affect ...
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404 views

What can cause SQL Server's maximum memory setting to appear to change over time?

I started analyzing our SQL Server PerfMon logs in Excel, and discovered this. Legend: Red - SQL Server - Target Server Memory Green - SQL Server - Total Server Memory Blue - Available System Memory ...
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1answer
537 views

PerfMon / MMC Hangs

I'm "playing" with PerfMon - it's the firs time I've ever spent any real time in it. Everything is fine and then I will perform an action (like trying to bring up the properties of a counter I have ...
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187 views

check_nrpe and non-fixed counter names

For some counters I have noticed Windows convently does provide a stable name for them, for example: \.NET Data Provider for SqlServer(_lm_w3svc_3_root-1-123412341234[6789]\Number of Free Conections ...
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547 views

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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564 views

How to allow users to monitor performance of a set of servers without touching every server?

I'm not a sysadmin, so this may be trivial. We have about 20 Windows Server 2008 R2 VMs we want to monitor centrally using Perfmon. The only issue is that the user account that's going to be doing ...
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776 views

Automatically restarting Perfmon Data Collector Sets

I have a number of User Defined Data Collector Sets running on a Windows 2008R2 server, collecting perfmon stats from various servers. Whenever there is a network interruption, or a server rebooted ...
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How do I add a counter for process data in perfmon.exe for a process that isn't currently running?

I would like to perform an ad hoc capture of data using perfmon.exe for a process that runs during the night. I know the name of the executable--lets call it Foo.exe. If the process were currently ...
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1answer
352 views

Optimization of Soft Page Faults

I am currently doing performance analysis on a server and I see an application is generating a large number of page faults/sec. After checking the page reads/sec it seems these are all soft page ...
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7k views

How to remotely connect using perfmon?

Suprised there is not a ton of information on google when i search for this but there is not. Lot of people asking the question but i none of them have any good answers. I have a remote computer ...
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1k views

Real-time IIS monitoring

We're looking for some monitoring software that will report and display real-time performance information for IIS. We're currently using perfmon to monitor requests executing, requests queued, ...
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186 views

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, ...
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166 views

perfmon counters can be selected but don't display data

I can select perfmon counters, but not all the selected counters will display. For example: Processor/% Idle/_TOTAL is selectable but doesn't appear in the log file. Yet, Processor /% Priviledge ...
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2answers
246 views

Perfmon Total Counters: 32-Bit Wrap Around?

For counters in Windows Server 2008 R2 that count the total (instead of rate) at what number do they wrap around to zero? In this particular case I am interested in \Web Service(_Total)\Total Get ...
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376 views

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 + ...
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530 views

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 ...
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156 views

Missing SQLServer:Databases instances!

Am running SQL Server 2000 on Windows Server 2003 Standard. In perfmon, have access to the "SQLServer:Databases" object, however, only about HALF the databases are listed as instances. I detached ...
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2answers
906 views

What SQL Server Query will set perfmon counter “Longest Transaction Running Time” > 0

I'm trying to decide whether this performance counter is worthwhile monitoring: \\SERVER\MSSQL:Transactions\Longest Transaction Running Time. So during testing I tried to create some long running ...
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Perfmon - Cannot start data collector set

While running perfmon on Windows 2008 server after creating a data collector set and attempting to start I receive the following error: "The Data Collector Set or one of its dependencies is already ...
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1answer
501 views

No PerfMon data through WMI

I'm trying to get \DBServer\SQLServer:Buffer Manager\Page life expectancy data through WMI. When I do this through perfmon, I get actual data. However when I try and pull this from either of these ...
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563 views

PerfMon Counters Not Available

Unless I'm going crazy here, I'm having a problem trying to load some basic counters from one of our older Windows 2003 SP2. Let's take Page Faults/sec as an example - when I try to add the counter, ...
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Easiest way to get Perfmon counter names into a text file?

I'd like to create a settings file for my logman command. I expect to have lots of perfmon counters. Is there any easy way to get all the perfmon counters' exact text anywhere? The only thing I ...
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1answer
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Why can't Logman start?

I'm setting up my first logman counter. But it's not working! There is some file or folder permissions problem. Or maybe I wrote the create-counter statement wrong. Here's my counter commands: ...
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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 ...
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1answer
6k views

How can a Perfmon “% Processor Time” counter be over 100%?

The counter, Process(sqlservr)\% Processor Time, is hovering around 300% on one of my database servers. This counter reflects the percent of total time SQL Server spent running on CPU (user mode + ...
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Is it OK to run perfmon on production servers? And why?

Or should perfmon be limited to a Dev/QA server with load tests that simulate production activity? I'd like to run perfmon for two days (like Sql Server master Brent Ozar suggests) to get an overall ...
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413 views

Windows performance monitor new instances

I am trying to configure performance monitor on 2003/2008R1&R2 to capture new instances of the counters without any luck. For example if I select counter Process\%Processor time (to monitor ...
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1answer
1k views

what should be monitored for baseline sql server performance

What are the baseline perfmon counters for monitoring SQL Server and what do they mean?
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1answer
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Perfmon: which counter identifies that threads are waiting?

While load testing an ASP.NET app, we find that the pages are taking 20-30 sec under heavy load. We suspect this is because the pages are waiting for database calls or web services. Is there a ...
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627 views

How to aggregate data in Windows Performance Monitor?

I have seem performance counters like this: PhysicalDisk(_Total)\Avg. Disk Read Queue Length Which is an aggregation (average, sum, etc) of data over a period. How to create a custom counter which ...
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How to query custom performance counters using Zabbix agent?

I was thinking of instead sending data to Zabbix Trapper I could send to Windows Performance monitor and then capture it using Zabbix Agent. Is it possible? How?
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453 views

Performance monitor visualization tool

I'm looking for a tool to display data from performance monitor counters. I'm looking for something that would be visually appealing (look like a dashboard) and it should be able to aggregate (sum ...
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1answer
6k views

How to save a perfmon Performance Counter as a textfile (Reliability and Performance Monitor Version 6.0)

Now the file gets saved as blg, but I would like a txt version to import in Excel.
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How to add remoter computer into perfmon.msc?

I want to add remote computer performance snap into local computer perfmon.msc. Please help me out and provide step by step method. Thanks
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Perfmon disk counters vs. a SAN

I'm not a storage guy. I know how to spell SAN and a few basics beyond that, but not much farther. Are std disk counters reliable in measuring against SAN storage? We have 2 MS SQL (2005) servers ...
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how to set up Windows Server 2008 perfmon alert

in Windows 2008, how can I set up perfmon alerts to execute some scheduled task or batch file? I found examples for Windows 2003, but not 2008. for example, I want to execute a task if free space on ...
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1answer
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How to monitor performance of servers on a different domain using Perfmon in Windows 7

We just upgraded our developer machines from 32 bit Windows XP to 64 bit Windows 7 Ultimate. With Windows XP we were able to do a live monitor of the CPU usage of servers that resided on a separate ...
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Unable to open the Performance Logs and Alerts configuration

I'm trying to set up some perfmon logging on our server and I get this message in the event log "Unable to open the Performance Logs and Alerts configuration. This configuration is initialized when ...
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1answer
773 views

Disk or Network Bottleneck and Perfmon?

I'm trying to see if we're choking our NAS server with RAID 5 on a PERC RAID card. I've been playing with Perfmon and have been looking at various ways to try narrowing down the performance counting ...
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2answers
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Perfmon % Processor Time vs. task manager's CPU usage

I'm new to using Perfmon and performance monitoring in general (so go easy on me please ;) I know that Perfmon doesn't have anything exactly like Task Manager's CPU usage display, but I'm trying to ...
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1answer
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Perfmon remote connection failing between two w7 pc's

I am running Windows 7 Ultimate and trying to connect to the perfmon service of another (local network) w7 box. We have windows firewall turned off, the appropriate users added to the Performance Log ...
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No permission to access SQL server perfmon counters

My DBA team doesn't have access to SQL server 2005 standard performance counters. What is the required permission that they should be granted? I found some registry entries, but they already have ...
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1answer
600 views

How to automatically start the perfmon on SQL Server cluster active node

How can we start running perfmon automatically on active SQL Server active node? Typically when we failover to the inactive node and we forgot to run the perfmon. We want to start running the ...
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4answers
598 views

When does a database data file get written to?

I was using perfmon to monitor writes per second on a LUN containing a single SQL2005 database data file. I was under the assumption that database files are only written to during checkpoints or by ...
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Automatically start Windows Server 2003 Perfmon counter log upon reboot

Trying to figure out how to make sure a specific Windows Perfmon Counter Log resumes logging automatically when the server is rebooted. This is a Windows 2003 Server, so likely won't have anyone ...
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3answers
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Monitor number of users logged into Windows XP with Nagios

I have a POS system that won't work unless the is logged in to the console session. I was thinking since I already have NSClient++ maybe I could monitor a counter via Nagios. Is there a counter ...