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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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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 feel of my web app's database performance.
Bill Paetzke
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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 server At the moment we use Nagios for…
Mike McClelland
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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 + privilege mode). The book, Sql Server 2008…
Bill Paetzke
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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 profiling an ASP.NET application for server…
Jon Limjap
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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 in use." I have two virtual machines configured the…
M.R.B.
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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 perfmon. I can obviously alert on GB but each of…
Xaxum
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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 thought of was to create a Perfmon Counter Log…
Bill Paetzke
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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
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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 counters would be appropriate to detect "cpu busy due…
Yolo Perdiem
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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 receive an error stating "Unable to connect to the…
Rob D.
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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 grabbing a lot of memory and then not releasing it…
Robert Kaucher
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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 see the schedule tab... What I don't understand…
schmidlop
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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 generally process-centric, rather than ASP.NET…
Chris
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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
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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 causing it. This happens during periods of high…
Ben Blank
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