1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28# 29# This script primarily tests that the ::dtrace dcmd is not dumping 30# core. We don't try to make sense of the output of the dcmd nor 31# do we check to see if any output is produced. We merely see if 32# mdb fails with a fatal failure. 33# 34 35script() 36{ 37 exec $dtrace -o $dtraceout -s /dev/stdin <<EOF 38 syscall:::entry 39 { 40 @[probefunc] = count(); 41 } 42EOF 43} 44 45mdbdoit() 46{ 47 mdb -k <<EOF 48 ::walk dtrace_state | ::dtrace 49EOF 50 status=$? 51 kill $script 52} 53 54if [ $# != 1 ]; then 55 echo expected one argument: '<'dtrace-path'>' 56 exit 2 57fi 58 59dtrace=$1 60dtraceout=/tmp/dtrace.out.$$ 61script & 62script=$! 63timeout=15 64 65# 66# Sleep while the above script fires into life. To guard against dtrace dying 67# and us sleeping forever we allow 15 secs for this to happen. This should be 68# enough for even the slowest systems. 69# 70while [ ! -f $dtraceout ]; do 71 sleep 1 72 timeout=$(($timeout-1)) 73 if [ $timeout -eq 0 ]; then 74 echo "dtrace failed to start. Exiting." 75 exit 1 76 fi 77done 78 79mdbdoit 80 81rm $dtraceout 82 83exit $status 84