UNIX® Fault Management: A Guide for System Administration

Resource and Performance Monitoring Tools

This section describes tools for monitoring your application's overall performance and system resource utilization. It does not cover other areas, such as system call optimization for the application or code profiling.

Collecting application performance metrics is difficult, because defining the components making up the application is difficult. Some processes may be utility programs used by multiple applications. Even when the processes are known and are unique to an application, a performance tool may have difficulty mapping the use of shared resources, such as network buffers, to specific processes.

Different products have different ways of defining applications. For example, MeasureWare and PRM (Process ...