#!/usr/sbin/dtrace -s /* * intoncpu.d - print interrupt on-cpu usage. * Written using DTrace (Solaris 10 3/05) * * $Id: intoncpu.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * USAGE: intoncpu.d # wait several seconds, then hit Ctrl-C * * FIELDS: * value Time interrupt thread was on-cpu, ns * count Number of occurrences of at least this time * * BASED ON: /usr/demo/dtrace/intr.d * * SEE ALSO: DTrace Guide "sdt Provider" chapter (docs.sun.com) * intrstat(1M) * * PORTIONS: Copyright (c) 2005, 2006 Brendan Gregg. * * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at Docs/cddl1.txt * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * CDDL HEADER END * * 09-May-2005 Brendan Gregg Created this. * 20-Apr-2006 " " Last update. */ #pragma D option quiet dtrace:::BEGIN { printf("Tracing... Hit Ctrl-C to end.\n"); } sdt:::interrupt-start { self->ts = vtimestamp; } sdt:::interrupt-complete /self->ts && arg0 != 0/ { this->devi = (struct dev_info *)arg0; /* this checks the pointer is valid, */ self->name = this->devi != 0 ? stringof(`devnamesp[this->devi->devi_major].dn_name) : "?"; this->inst = this->devi != 0 ? this->devi->devi_instance : 0; @Time[self->name, this->inst] = quantize(vtimestamp - self->ts); self->name = 0; } dtrace:::END { printa("%s%d\n%@d", @Time); }