1235368Sgnn#!/usr/sbin/dtrace -s
2235368Sgnn/*
3235368Sgnn * intbycpu.d - interrupts by CPU.
4235368Sgnn *              Written using DTrace (Solaris 10 3/05).
5235368Sgnn *
6235368Sgnn * $Id: intbycpu.d 3 2007-08-01 10:50:08Z brendan $
7235368Sgnn *
8235368Sgnn * USAGE:	intbycpu.d		# hit Ctrl-C to end sample
9235368Sgnn *
10235368Sgnn * FIELDS:
11235368Sgnn *		CPU		CPU number
12235368Sgnn *		INTERRUPTS	number of interrupts in sample
13235368Sgnn *
14235368Sgnn * This is based on a DTrace OneLiner from the DTraceToolkit.
15235368Sgnn *
16235368Sgnn * COPYRIGHT: Copyright (c) 2005, 2006 Brendan Gregg.
17235368Sgnn *
18235368Sgnn * CDDL HEADER START
19235368Sgnn *
20235368Sgnn *  The contents of this file are subject to the terms of the
21235368Sgnn *  Common Development and Distribution License, Version 1.0 only
22235368Sgnn *  (the "License").  You may not use this file except in compliance
23235368Sgnn *  with the License.
24235368Sgnn *
25235368Sgnn *  You can obtain a copy of the license at Docs/cddl1.txt
26235368Sgnn *  or http://www.opensolaris.org/os/licensing.
27235368Sgnn *  See the License for the specific language governing permissions
28235368Sgnn *  and limitations under the License.
29235368Sgnn *
30235368Sgnn * CDDL HEADER END
31235368Sgnn *
32235368Sgnn * 15-May-2005	Brendan Gregg	Created this.
33235368Sgnn * 20-Apr-2006	   "      "	Last update.
34235368Sgnn */
35235368Sgnn
36235368Sgnn#pragma D option quiet
37235368Sgnn
38235368Sgnndtrace:::BEGIN
39235368Sgnn{
40235368Sgnn	printf("Tracing... Hit Ctrl-C to end.\n");
41235368Sgnn}
42235368Sgnn
43235368Sgnnsdt:::interrupt-start { @num[cpu] = count(); }
44235368Sgnn
45235368Sgnndtrace:::END
46235368Sgnn{
47235368Sgnn	printf("%-16s %16s\n", "CPU", "INTERRUPTS");
48235368Sgnn	printa("%-16d %@16d\n", @num);
49235368Sgnn}
50