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tst.dtracedcmd.ksh
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Editing: tst.dtracedcmd.ksh
#!/bin/ksh -p # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright 2006 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # ident "%Z%%M% %I% %E% SMI" # # # This script primarily tests that the ::dtrace dcmd is not dumping # core. We don't try to make sense of the output of the dcmd nor # do we check to see if any output is produced. We merely see if # mdb fails with a fatal failure. # script() { $dtrace -o $dtraceout -s /dev/stdin <<EOF syscall:::entry { @[probefunc] = count(); } EOF } mdbdoit() { mdb -k <<EOF ::walk dtrace_state | ::dtrace EOF status=$? kill $script } if [ $# != 1 ]; then echo expected one argument: '<'dtrace-path'>' exit 2 fi dtrace=$1 dtraceout=/tmp/dtrace.out.$$ script & script=$! timeout=15 # # Sleep while the above script fires into life. To guard against dtrace dying # and us sleeping forever we allow 15 secs for this to happen. This should be # enough for even the slowest systems. # while [ ! -f $dtraceout ]; do sleep 1 timeout=$(($timeout-1)) if [ $timeout -eq 0 ]; then echo "dtrace failed to start. Exiting." exit 1 fi done mdbdoit rm $dtraceout exit $status
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