kstat_types.d - Trace kstat reads with type info. Uses DTrace. kstat_types.d kstat is the Kernel Statistics framework, which is used by tools such as vmstat, iostat, mpstat and sar. Try running vmstat while kstat_types.d is tracing - you should see details of the kstat reads performed. Since this uses DTrace, only the root user or users with the dtrace_kernel privilege can run this command. Solaris unstable - this script uses fbt provider probes which may change for future updates of the OS, invalidating this script. Please read Docs/Notes/ALLfbt_notes.txt for further details about these fbt scripts.

Trace kstat reads as they occur, # kstat_types.d

CMD command name

CLASS kstat class (ks_class)

TYPE kstat type as a string (ks_type)

MOD:INS:NAME kstat module:instance:name

See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with verbose descriptions explaining the output. kstat_types.d will trace until Ctrl-C is hit. Brendan Gregg [Sydney, Australia] dtrace(1M), kstat(1M), kstat(3KSTAT)