Measuring Performance under Windows with Perfmon
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This article will describe how to measure performance under Windows using the Perfmon utility.
Specifically, this article will be about I/O performance. Using Perfmon, all of the system components can in fact be analyzed.
Perfmon is included with Windows by default.
The objective is to measure the I/O load on the data media on the system for a corresponding interval, in order to size the target system properly.
Steps
- Start Perfmon using the Run menu option. perfmon.exe
The gallery will show the steps after that as images.
Choose from the following counters:
- Bytes read/s (all instances)
- Bytes written/s (all instances)
- Idle time (%) (all instances)
- Average bytes / read (all instances)
- Average bytes / write (all instances)
- Average seconds / read (all instances)
- Average seconds / write (all instances)
- Disk reads / second (all instances)
- Disk writes / second (all instances)
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