intoncpu.d - print interrput on-cpu usage. Uses DTrace. intoncpu.d This prints a distribution of the on-cpu time for interrput threads. Since this uses DTrace, only the root user or users with the dtrace_kernel privilege can run this command. Solaris stable - needs the sdt provider interrupt probes.

This samples until Ctrl-C is hit. # intoncpu.d

value Time interrupt thread was on-cpu, ns

count Number of occurrences of at least this time

/usr/demo/dtrace/intr.d

DTrace Guide "sdt Provider" chapter (docs.oracle.com) See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with verbose descriptions explaining the output. intoncpu.d will sample until Ctrl-C is hit. intrstat(1M), dtrace(1M)