#!/bin/bash
# vim: dict=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
#   runtest.sh of /tools/systemtap/Regression/utrace-taskfinder-misses-events
#   Description: Test for BZ#876848 (utrace taskfinder misses events when main thread)
#   Author: Martin Cermak <mcermak@redhat.com>
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
#   Copyright (c) 2013 Red Hat, Inc. All rights reserved.
#
#   This copyrighted material is made available to anyone wishing
#   to use, modify, copy, or redistribute it subject to the terms
#   and conditions of the GNU General Public License version 2.
#
#   This program is distributed in the hope that it will be
#   useful, but WITHOUT ANY WARRANTY; without even the implied
#   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
#   PURPOSE. See the GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public
#   License along with this program; if not, write to the Free
#   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
#   Boston, MA 02110-1301, USA.
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

# Include Beaker environment
. /usr/share/beakerlib/beakerlib.sh || exit 1

# if this testcase caused kernel crash and reboot, don't try to rerun it
[[ $REBOOTCOUNT -gt 0 ]] && exit 1

rlJournalStart
    rlPhaseStartSetup
        rlRun "TMPDIR=\$(mktemp -d)"
        rlRun "cp pthreadtestcase.cpp pthreadtestcase.stp $TMPDIR"
        rlRun "pushd $TMPDIR"
    rlPhaseEnd

    rlPhaseStart FAIL "Systemtap sanity check"
        rlRun "stap --version"
        rlRun "stap -v -e 'probe kernel.function(\"vfs_read\"){ exit() }'"
    rlPhaseEnd

    rlPhaseStart FAIL "Prepare pthreadtestcase, run it"
        rlRun "g++ -g -o pthreadtestcase  pthreadtestcase.cpp -lpthread"
        killall -9 pthreadtestcase &> /dev/null
        ./pthreadtestcase &
        MYPID=$!
        sleep 3
        rlRun "ps | grep '$MYPID.*pthreadtestcase$'"
    rlPhaseEnd

    rlPhaseStartTest
        rlRun "stap -v pthreadtestcase.stp 2>&1 | tee mylog.txt"
        rlRun "grep EXITONTIMEOUT mylog.txt" 1
        for token in USERSPACEFUNCTIONENTER \
                     USERSPACEREACHEDLINE \
                     USERSPACEFUNCTIONLEAVE
        do
            rlRun "grep ^$token$ mylog.txt" 0
        done
    rlPhaseEnd

    rlPhaseStart FAIL "Shut pthreadtestcase down"
        # pthreadtestcase should still be running
        # so killing it should certsinly succeed
        rlRun "kill $MYPID"
    rlPhaseEnd

    rlPhaseStartCleanup
        rlRun "popd"
        rlRun "rm -r $TMPDIR"
    rlPhaseEnd
rlJournalEnd