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Cisco Unified Communications Manager Managed Services Guide
OL-22523-01
Chapter 5 Cisco Unified Real-Time Monitoring Tool Tracing, PerfMon Counters, and Alerts
Performance Monitoring in RTMT
System
The System object provides information on file descriptors on your system. Table 5-57 contains
information on system counters.
Table 5-56 Processor
Counters Counter Descriptions
% CPU Time This counter displays the processors share of the elapsed CPU time, excluding
idle time, since the last update. This share gets expressed as a percentage of total
CPU time.
Idle Percentage This counter displays the percentage of time that the processor is in the idle state
and did not have an outstanding disk I/O request.
IOwait Percentage This counter represents the percentage of time that the processor is in the idle state
while the system had an outstanding disk I/O request.
Irq Percentage This counter represents the percentage of time that the processor spends executing
the interrupt request that is assigned to devices, including the time that the
processor spends sending a signal to the computer.
Nice Percentage This counter displays the percentage of time that the processor spends executing
at the user level with nice priority.
Softirq Percentage This counter represents the percentage of time that the processor spends executing
the soft IRQ and deferring task switching to get better CPU performance.
System Percentage This counter displays the percentage of time that the processor is executing
processes in system (kernel) level.
User Percentage This counter displays the percentage of time that the processor is executing
normal processes in user (application) level.
Ta b l e 5 - 5 7 S y s t e m
Counters Counter Descriptions
Allocated FDs This counter represents the total number of allocated file descriptors.
Being Used FDs This counter represents the number of file descriptors that are currently in use in
the system.
Freed FDs This counter represents the total number of allocated file descriptors on the
system that are freed.
Max FDs This counter represents the maximum number of file descriptors that are allowed
on the system.
Total CPU Time This counter represents the total time in jiffies that the system has been up and
running.
Total Processes This counter represents the total number of processes on the system.
Total Threads This counter represents the total number of threads on the system.
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