UNISOL SysAdmin
Performance Monitoring Option
This optional module monitors system activity and summarizes system
performance data at user selected intervals.
Under normal operation, data is automatically collected (from system startup
time) into daily summary reports and data may be independently analyzed for
each day under user control and may be summarized and displayed to the
screen or printed.
Performance data summaries can be kept on-line for months allowing for the
easy comparison of system performance from different time periods, or can be
archived to tape for retrieval and analysis at a later time. Ad hoc
monitoring and reporting is also supported providing live system monitoring
and the generation of short-term reports.
The information that is recorded, reported, and, analyzed by the System
Performance Monitoring option includes:
- Processes(in run queue, blocked or swapped out),
- Memory Usage (used, free),
- Paging Activity (pages in, out),
- Swap Space Usage,
- Disk I/O (number of operations),
- Faults (interrupts, system calls, context switches),
- CPU usage (user, system, idle time),
- System Tables (files, inodes, processes, texts),
- User Logins, and,
- Load Average.
The summarized data can be further analyzed to provide an insight into
system resource utilization and possible expansion needs while providing
graphs of interesting events suitable for inclusion in management reports or
computer equipment expansion justifications.
X-Windows releases of Performance Monitoring provide clear
graphical representions of the
collected information, and support zoom capability, and Postscript or
Laserjet formatted graphs.
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