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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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 ...
Bill Paetzke's user avatar
14 votes
16 answers
13k views

Real time monitoring of MS Windows servers and their services

We have a bunch of large HDTVs in our monitoring office keeping an eye on all of our production equipment. We are monitoring: Cisco routers HP switches HP proliant servers Windows 2003 IIS SQL ...
Mike McClelland's user avatar
12 votes
2 answers
30k 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 + ...
Bill Paetzke's user avatar
11 votes
6 answers
27k views

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 ...
user avatar
11 votes
4 answers
5k views

Is there an automated way of collating data from Perfmon?

I've been manually collating Perfmon data (e.g., getting screen caps of the perfmon graph to get the average, min, max values) of statistics like % processor usage, % committed bytes in memory, etc in ...
Jon Limjap's user avatar
10 votes
3 answers
11k views

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 ...
Bill Paetzke's user avatar
10 votes
1 answer
24k 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.
Lieven Cardoen's user avatar
10 votes
1 answer
9k views

Total RAM % from perfmon Windows Server 2008 R2

I am trying to find a good way to get available RAM percentage from perfmon. I can get Available Mbytes but I can't find any way to get the total installed memory on the server or what is in use via ...
Xaxum's user avatar
  • 317
9 votes
1 answer
17k 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 ...
Yolo Perdiem's user avatar
9 votes
3 answers
40k views

Connecting to Remote Server Using Performance Monitor Does Not Work

I'm having a problem when attempting to perform a PerfMon trace on a remote server. The server is Windows Server 2008 R2 SP1. The reason for performing this trace is that SQL Server seems to be ...
Robert Kaucher's user avatar
9 votes
2 answers
42k views

Why can't I connect on port 445?

I need to collect baseline performance data on a SQL Server running on Windows Server 2008 R2. When I open perfmon on my computer running Windows 7 and try to add counters from the remote server, I ...
Rob D.'s user avatar
  • 233
8 votes
3 answers
5k views

Is it safe to leave System Performance Data Collector Set running

I have created a user defined data collector set from the system performance template. I've made no changes to the counters. I can run it manually and it works fine but runs for 1 only minute. Yes, I ...
schmidlop's user avatar
  • 183
8 votes
0 answers
4k views

Use perfmon to monitor a specific ASP.NET webapp across worker process restarts, IIS restarts, etc.?

I have a few perfmon performance counters that I'd like to track for a specific ASP.NET application over an extended period of time, say a week or a month. The trouble is that perfmon counters are ...
Chris's user avatar
  • 1,073
7 votes
2 answers
23k views

Use PerfMon to connect to a Remote Computer

I want to use PerfMon to connect to a Remote Computer. What ports do I need to have open in my Firewall to be able to connect?
Josh Clark's user avatar
6 votes
6 answers
8k views

Find the bottleneck: disk I/O on Windows XP

One of our development boxes has developed a problem wherein performance will occasionally drop through the floor. When this happens, you can hear the hard drive thrashing, but I don't know what's ...
Ben Blank's user avatar
  • 195
6 votes
1 answer
5k views

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 ...
frankadelic's user avatar
5 votes
4 answers
17k views

How can I investigate sustained high CPU usage by Microsoft.Exchange.Rpc.ClientAccess.Service.exe?

One CAS server in our array has nearly 90% of its 4 CPUs used. The remaining CAS servers are at 30 percent. How should I investigate what is causing this increase? Below is a graph of: Six (6) ...
makerofthings7's user avatar
5 votes
1 answer
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 ...
Andorbal's user avatar
  • 163
5 votes
2 answers
3k 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, etc...,...
nivlam's user avatar
  • 151
5 votes
1 answer
3k views

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 ...
Jason Jones's user avatar
4 votes
1 answer
4k 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 ...
brandeded's user avatar
  • 1,860
4 votes
4 answers
969 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 ...
SuperCoolMoss's user avatar
4 votes
3 answers
3k views

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 ...
squillman's user avatar
  • 38k
4 votes
1 answer
3k views

Performance Counters in Perfmon/Server 2008 R2

I am trying to setup perfmon on a Windows 2008 R2 server to monitor memory usage on a server for 1 week. I have never used perfmon before, but some basic tutorials explained how to pick between ...
nairware's user avatar
  • 319
4 votes
1 answer
405 views

Monitor Windows 7 Performance Counters from Server 2012

I want to monitor performance counters on my Windows 7 Machines from Windows Server 2012. Right now, I have two Windows 7 machines that can monitor each other's performance counters no problem. To ...
canzar's user avatar
  • 85
4 votes
1 answer
3k views

Permissions Issue with Files Generated by PerfMon

We are trying to implement some data logging to CSV files using a Data Collector Set in PerfMon (on a windows Server 2008R2 system). The issue we are running into is that we (seemingly) can't control ...
SvrGuy's user avatar
  • 1,012
4 votes
4 answers
817 views

Reporting tool for Performance Monitor

I am looking for an application I can use to consume performance monitor logs and report on them. Is there an application you have good success with to display the metrics you have captured with ...
Brettski's user avatar
  • 952
4 votes
4 answers
8k views

Monitoring services using perfmon

Struggling to find the counters to get the status of a service using perfmon. Is it even possible? We need to monitor the status of a service in Nagios but the only remote access avaliable is through ...
Unfortunate's user avatar
4 votes
0 answers
247 views

Windows 2003 IIS 6.0 w3wp PerfMon monitoring

We have a number of web applications set up as Virtual Directories under one web site on Windows 2003/IIS 6.0 servers. Each VirDir has a dedicated App Pool. One of my users wanted to know if I could ...
Patrick OBrien's user avatar
3 votes
3 answers
7k views

How to Setup Perfmon to Automaticaly Start an "Alert" At System Startup?

I have an "Alert" setup in perfmon, but it gives me only two options to start it: Manualy At an specified time (schedule) So... How to Setup Perfmon to Automaticaly Start an "Alert" At System ...
Daniel Silveira's user avatar
3 votes
5 answers
12k views

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 ...
BradC's user avatar
  • 2,210
3 votes
2 answers
3k views

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 SQL ...
jcolebrand's user avatar
3 votes
5 answers
8k views

Performance monitoring on Linux/Unix

I run a few Windows servers and (Debian and Ubuntu) Linux and AIX servers. I would like to continously monitor performance on these systems in order to easily identify bottlenecks as well as to have ...
ervingsb's user avatar
  • 395
3 votes
2 answers
31k views

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 ...
nat's user avatar
  • 73
3 votes
2 answers
6k 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 (...
Scott Herbert's user avatar
3 votes
2 answers
7k views

How do I run perfmon against a remote machine?

For starters I'm trying to do this from a Windows 7 box to a Windows 7 box. I know the simple answer should be to enter \\computername where it says "Select Counters From Computer". Trouble is, every ...
WindyCityEagle's user avatar
3 votes
1 answer
1k 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, ...
JBickford's user avatar
  • 155
3 votes
1 answer
3k views

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 ...
Blegger's user avatar
  • 272
3 votes
1 answer
2k views

Performance monitor logs are not getting generated on windows Server 2008 R2

On Windows Server 2008 R2 and windows Server 2012 Standard machines: I have added the Data Collector set in Performance monitor. I scheduled it for 4 hours Seems that the task is being started as ...
Neeta's user avatar
  • 31
3 votes
1 answer
928 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 ...
Cade Roux's user avatar
  • 375
3 votes
2 answers
9k views

Windows equivalent performance counters in Linux with Sysstat (or similar)

I administer a range of both Windows and Linux servers. On the Windows servers, I have the following performance counters logging every 15 seconds to a CSV file: Bottleneck analysis: Processor Queue ...
ervingsb's user avatar
  • 395
3 votes
1 answer
1k views

Create alert notification system for performance counters (logman, task scheduler, events)

I have a Windows Server 2008 SP2 without a graphical user interface (Windows Azure). I need to setup an alert for performance counters that reaches some threshold and then run some command (send an ...
Tomas Mirezko's user avatar
3 votes
3 answers
1k views

Performance monitor visualization tool [closed]

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 up)...
MK.'s user avatar
  • 292
3 votes
1 answer
2k views

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 ...
David Hayes's user avatar
3 votes
1 answer
1k 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 ...
Josh Yeager's user avatar
3 votes
1 answer
5k views

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: ...
Bill Paetzke's user avatar
3 votes
0 answers
1k views

Different Process Names in PerfMon for the same PID

I am trying to confirm a behavior I am seeing or am looking for help in identifying my problem. When using Performance Monitor to collect data on multiple instances of the same process, the same ...
Tim P's user avatar
  • 176
3 votes
0 answers
595 views

Perfmon counters are not restarted after reboot

The question has a long history, and I went through all previous questions (1, 2) but neither of them answers the question why the standard way doesn't work? If I don't want to use logman how can I ...
Suncatcher's user avatar
3 votes
1 answer
529 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 ...
Andrew Krock's user avatar
3 votes
0 answers
866 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 ...
sethy's user avatar
  • 31