75 lines
2.3 KiB
Bash
75 lines
2.3 KiB
Bash
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#!/bin/bash
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# vim: dict=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#
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# runtest.sh of /tools/systemtap/Regression/stapio-possible-circular-locking-dependency
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# Description: Test for BZ#1020207 (stapio possible circular locking dependency)
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# Author: Martin Cermak <mcermak@redhat.com>
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#
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#
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# Copyright (c) 2014 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing
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# to use, modify, copy, or redistribute it subject to the terms
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# and conditions of the GNU General Public License version 2.
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#
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# This program is distributed in the hope that it will be
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# useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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# PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public
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# License along with this program; if not, write to the Free
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# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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#
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Include Beaker environment
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. /usr/share/beakerlib/beakerlib.sh || exit 1
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rlJournalStart
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rlPhaseStartSetup
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rlRun "TMPDIR=\$(mktemp -d)"
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rlRun "pushd $TMPDIR"
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cat > test5.stap <<EOF
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global dummy
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probe end { printf("dummy: %d\n", dummy); }
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probe kernel.trace("__extent_writepage") { dummy = dummy + 1; }
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EOF
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cat > reproduce.sh <<EOF
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#!/bin/bash
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i=0
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while [ True ]; do
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i=\$((i+1))
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echo "Attempt \$i"
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echo 3 > /proc/sys/vm/drop_caches
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stap test5.stap -c "sleep 2"
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if dmesg 2>&1 | grep "possible circular locking dependency detected"; then
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dmesg
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exit 1
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fi
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done
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exit 0
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EOF
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rlRun "chmod +x reproduce.sh"
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rlPhaseEnd
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rlPhaseStartTest
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TO=180 # timeout seconds
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# when timeout TO is hit, exitcode 124 is returned
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rlRun "timeout $TO ./reproduce.sh" 0,124
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# if issue doesn't get reproduced within TO, the test will pass
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rlPhaseEnd
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rlPhaseStartCleanup
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rlRun "popd"
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rlRun "rm -r $TMPDIR"
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rlPhaseEnd
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rlJournalPrintText
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rlJournalEnd
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