#!/usr/sbin/dtrace -s /* * inttimes.d - print interrupt on-cpu time. * Written using DTrace (Solaris 10 3/05) * * $Id: inttimes.d 3 2007-08-01 10:50:08Z brendan $ * * USAGE: inttimes.d # wait several seconds, then hit Ctrl-C * * FIELDS: * DEVICE instance name of device driver * TIME (ns) sum of time spent servicing interrupt (ns) * * BASED ON: /usr/demo/dtrace/intr.d * * SEE ALSO: * DTrace Guide "sdt Provider" chapter (docs.sun.com) * intrstat(1M) * * PORTIONS: Copyright (c) 2005 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 * * 28-Jun-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; @num[self->name, this->inst] = sum(vtimestamp - self->ts); self->name = 0; } sdt:::interrupt-complete { self->ts = 0; } dtrace:::END { printf("%11s %16s\n", "DEVICE", "TIME (ns)"); printa("%10s%-3d %@16d\n", @num); }