The C_OS
implements the microkernel supervisor page instrumentation
via the sysctl kern.mkstats.svpages
node. The OS_GAUGES
feature must be set to true.
Instrumentation related to use of supervisor pages comprises the following measurement:
Function |
Instrument Type |
Description |
---|---|---|
svPages() |
Gauge (high threshold) |
Measures number of supervisor pages currently allocated |