#!/usr/sbin/dtrace -s /* * sigdist.d - signal distribution by process name. * Written using DTrace (Solaris 10 3/05) * * This is a simple DTrace script that prints the number of signals * recieved by process and signal number. This script is also available * as /usr/demo/dtrace/sig.d, where it originates. * * $Id: sigdist.d,v 1.1.1.1 2015/09/30 22:01:06 christos Exp $ * * USAGE: sigdist.d # hit Ctrl-C to end * * FIELDS: * SENDER process name of sender * RECIPIENT process name of target * SIG signal number, see signal(3head) * COUNT number of signals sent * * BASED ON: /usr/demo/dtrace/sig.d * * SEE ALSO: DTrace Guide "proc Provider" chapter (docs.sun.com) * kill.d(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-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"); } proc:::signal-send { @Count[execname, stringof(args[1]->pr_fname), args[2]] = count(); } dtrace:::END { printf("%16s %16s %6s %6s\n", "SENDER", "RECIPIENT", "SIG", "COUNT"); printa("%16s %16s %6d %6@d\n", @Count); }