HP-UX System Administrator's Guide: Overview

manager you are using. Refer to the documentation for the volume manager you are
using for specific information on the differences.
Performance Monitoring Tools
There are many tools available to help you monitor performance of HP-UX based
servers, networks, and applications. Some of these tools are included with HP-UX,
some are downloadable from hp.com, and some are commercial products from HP or
other companies. This section discusses a few of these tools.
Tools for Monitoring the Performance of a Server
There are several applications you can use to monitor the performance of an HP-UX
based server:
HP Caliper The primary purpose of HP Caliper is profiling individual
applications, however Caliper is also capable of displaying overall
system performance information. HP Caliper can be downloaded
from: http://www.hp.com/go/caliper
HP Caliper is also supported on versions of Linux for HP Integrity
servers.
NOTE: HP Caliper is available only for HP Integrity Servers.
For HP 9000 servers, consider using Prospect, a performance
monitoring tool. See http://www.hp.com/go/prospect.
HP GlancePlus GlancePlus is a full featured operating-system-wide performance
monitoring package that provides immediate performance
information about your server. It lets you easily examine system
activities, identify and resolve performance bottlenecks, and tune
your system for more efficient operation. GlancePlus is a part of
the HP OpenView Suite of products. Information about how to
obtain GlancePlus and detailed information about its features is
available at: http://www.hp.com/go/openview.
HP GlancePlus supports a variety of operating systems including
HP-UX and Linux.
The following HP-UX commands can also help you gather statistics about how the
resources of your system are being used:
iostat iostat iteratively reports I/O statistics for each active disk on the system.
sar sar, the system activity reporter, samples and reports on cumulative activity
counters in the operating system or from a previously recorded file. These
values can give you a rough idea of where the HP-UX is spending its time.
top Supplied as part of HP-UX, top is a utility that lists all of the processes
currently running on a server, ordered by their processing core usage. Those
126 System Administration Tools