#!/usr/sbin/dtrace -s
 /*
  * intbycpu.d - interrupts by CPU.
  *              Written using DTrace (Solaris 10 3/05).
  *
  * $Id: intbycpu.d 3 2007-08-01 10:50:08Z brendan $
  *
  * USAGE:	intbycpu.d		# hit Ctrl-C to end sample
  *
  * FIELDS:
  *		CPU		CPU number
  *		INTERRUPTS	number of interrupts in sample
  *
  * This is based on a DTrace OneLiner from the DTraceToolkit.
  *
  * COPYRIGHT: 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
  *
  * 15-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 { @num[cpu] = count(); }
 
 dtrace:::END
 {
 	printf("%-16s %16s\n", "CPU", "INTERRUPTS");
 	printa("%-16d %@16d\n", @num);
 }