Reference Guide

Views 111
Sun_MPStat Views
Sun_MPStat Views
Views in this section include:
• Sun_MPStat Context_Switches
• Sun_MPStat Cross_Calls
• Sun_MPStat_Faults
• Sun_MPStat_Interrupts
• Sun_MPStat_Locks
• Sun_MPStat_Overview
• Sun_MPStat_Utilization
Sun_MPStat Context_Switches
Purpose
The Sun_MPStat Context_Switches view displays the number of times per second that
the CPU performed switches between the contexts of two processes.
Description of the View
Sun_MPStat Cross_Calls
Purpose
The Sun_MPStat Cross_Calls view displays the number of cross calls across processors.
Cross calls occur when one CPU wakes up another CPU by interruption. This view also
displays the number of migrations of kernel threads across CPUs.
Data displayed
Voluntary. The number of times that the CPU performed a
voluntary switch between the contexts of two processes.
Involuntary. The number of times that the CPU performed an
involuntary switch between the contexts of two processes.
Where to go next
n/a