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#
# 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 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# ident "%Z%%M% %I% %E% SMI"
unload()
{
#
# Get the list of services whose processes have USDT probes. Ideally
# it would be possible to unload the fasttrap provider while USDT
# probes exist -- once that fix is integrated, this hack can go away
# We create two lists -- one of regular SMF services and one of legacy
# services -- since each must be enabled and disabled using a specific
# mechanism.
#
pids=$(dtrace -l | \
perl -ne 'print "$1\n" if (/^\s*\S+\s+\S*\D(\d+)\s+/);' | \
sort | uniq | tr '\n' ',')
ctids=$(ps -p $pids -o ctid | tail +2 | sort | uniq)
svcs=
lrcs=
for ct in $ctids
do
line=$(svcs -o fmri,ctid | grep " $ct\$")
svc=$(echo $line | cut -d' ' -f1)
if [[ $(svcs -Ho STA $svc) == "LRC" ]]; then
lrc=$(svcs -Ho SVC $svc | tr _ '?')
lrcs="$lrcs $lrc"
else
svcs="$svcs $svc"
fi
done
for svc in $svcs
do
svcadm disable -ts $svc
done
for lrc in $lrcs
do
#
# Does it seem a little paternalistic that lsvcrun requires
# this environment variable to be set? I'd say so...
#
SMF_RESTARTER=svc:/system/svc/restarter:default \
/lib/svc/bin/lsvcrun $lrc stop
done
modunload -i 0
modunload -i 0
modunload -i 0
modinfo | grep dtrace
success=$?
for svc in $svcs
do
svcadm enable -ts $svc
done
for lrc in $lrcs
do
SMF_RESTARTER=svc:/system/svc/restarter:default \
/lib/svc/bin/lsvcrun $lrc start
done
if [ ! $success ]; then
echo $tst: could not unload dtrace
exit 1
fi
}
script1()
{
$dtrace -s /dev/stdin <<EOF
syscall:::entry
/pid != $ppid/
{
@a[probefunc] = count();
}
tick-1sec
/i++ == 5/
{
exit(0);
}
EOF
}
script2()
{
$dtrace -s /dev/stdin <<EOF
#pragma D option statusrate=1ms
syscall:::entry
/pid == $ppid/
{
ttl++;
}
tick-1sec
/i++ == 5/
{
exit(2);
}
END
/ttl/
{
printf("success; ttl is %d", ttl);
exit(0);
}
END
/ttl == 0/
{
printf("error -- total should be non-zero");
exit(1);
}
EOF
}
if [ $# != 1 ]; then
echo expected one argument: '<'dtrace-path'>'
exit 2
fi
ppid=$$
dtrace=$1
unload
script1 &
child=$!
let waited=0
while [ "$waited" -lt 5 ]; do
seconds=`date +%S`
if [ "$seconds" -ne "$last" ]; then
last=$seconds
let waited=waited+1
fi
done
wait $child
status=$?
if [ "$status" -ne 0 ]; then
echo $tst: first dtrace failed
exit $status
fi
unload
script2 &
child=$!
let waited=0
while [ "$waited" -lt 10 ]; do
seconds=`date +%S`
if [ "$seconds" -ne "$last" ]; then
last=$seconds
let waited=waited+1
fi
done
wait $child
status=$?
exit $status
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