CPU Usage Summary
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Overview
The CPU Usage Summary report displays minute-by-minute historical information about CPU usage for the last hour. The information is displayed as a table and a line graph.
Storage destination
Reports/UNIX/Troubleshooting/Recent Past/
Record
System Summary Overview (PI)
Fields
Field name |
Explanation |
---|---|
15-Minute Run Queue Avg |
The average number of threads over the last 15 minutes, other than threads waiting in the execution queue for the kernel. On HP-UX, Solaris, and AIX, this value does not include the number of threads waiting for I/O. On Linux, this value includes the number of threads waiting for I/O. |
CPU % |
CPU usage (%). This is also the average value of the percentage for each processor (for AIX, it includes processors after logical partitioning by the Micro-Partitioning function). |
Context Switches |
Number of times the context switch was executed. |
Idle % |
Percentage of time that the CPU is in idle status (%). This is also the average value of the percentage for each processor (for AIX, it includes processors after logical partitioning by the Micro-Partitioning function). |
Interrupts |
Number of times interrupt occurred. |
Kernel CPU % |
Percentage of time that the CPU is operating in kernel mode (%). This is also the average value of the percentage for each processor (for AIX, it includes processors after logical partitioning by the Micro-Partitioning function). |
Run Queue |
The number of processes, including processes waiting in the queue for the kernel. |
System Calls |
Number of times a system call was issued. |
User CPU % |
Percentage of time that the CPU is operating in user mode (%). This is also the average value of the percentage for each processor (for AIX, it includes processors after logical partitioning by the Micro-Partitioning function). |
Wait % |
Percentage of time that the CPU is in I/O waiting status (%). This is also the average value of the percentage for each processor (for AIX, it includes processors after logical partitioning by the Micro-Partitioning function). |