Performance Analysis Tools for HP-UX 11i on Integrity Servers

For more information

See man swapinfo.

4.9 top (top system processes)

This command displays the top processes on the system and periodically updates the information. Raw

CPU percentage is used to rank the processes.

This command provides system CPU metric summaries and process-level summaries. It samples on

specified internals (the default is 5 seconds). It uses the pstat interface to extract metrics from the kernel.

When to use

To get a general picture about the processes that are using the CPU.

Example of use

$ top

For more information

See man top.

4.10 vmstat (virtual memory statistics)

This command provides statistics by sampling and averaging kernel counters.

The general form of this command is:

vmstat [-option] [interval[count]]

When to use

When you want particular statistics about process, virtual memory, trap, and CPU activity. This command

is particularly useful for memory usage and activity.

Example of use

$ vmstat

For more information

See man vmstat.

5 Free tools for improving Java application performance

The Java tools are described below. Also see the Java Technology Software HP-UX 11.0 & 11i Web site at:

http://www.hp.com/go/java

5.1 HPjmeter

HPjmeter helps you identify and diagnose performance problems in Java applications running on HP-UX.

You can monitor live Java applications and analyze profiling data.

Latest version

The latest version is 2.1.

For more information

See the HPjmeter Web site at:

http://www.hp.com/products1/unix/java/hpjmeter