kstat structures are created by system components to contain information
about component characteristics that need to be measured. Each component
has its own format for kstat information. This information is queried
by monitoring commands.
Much of the same information (and even configurable access to the kstat
structures themselves) is available through the
libkstat library contains C-language functions available
to programs which need to access the kstat structure. The
pseudo-device is the driver for this access.
Prior to Solaris 10, the
netstat -k provided a listing of several kstat structures.
Starting with Solaris 8, the
/bin/kstat command has allowed
access to particular kstats. The rest of this page focuses on the
A particular statistic man be specified by 4-tuples of the following sort:
where each element may be either a shell glob or a Perl regular expression
enclosed in '/' (forward-slash) characters. The
-s options may be used to match
a particular object (or glob of objects).
At the end of a
kstat command, numbers representing intervals
and count may be added.
lists kstat names but not values. For a given kernel module, the command
kstat -l -m module-name
lists all available kstat measurements for that module.