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      1 #!/bin/sh
      2 
      3 # ftracetest - Ftrace test shell scripts
      4 #
      5 # Copyright (C) Hitachi Ltd., 2014
      6 #  Written by Masami Hiramatsu <masami.hiramatsu.pt (at] hitachi.com>
      7 #
      8 # Released under the terms of the GPL v2.
      9 
     10 usage() { # errno [message]
     11 [ ! -z "$2" ] && echo $2
     12 echo "Usage: ftracetest [options] [testcase(s)] [testcase-directory(s)]"
     13 echo " Options:"
     14 echo "		-h|--help  Show help message"
     15 echo "		-k|--keep  Keep passed test logs"
     16 echo "		-v|--verbose Increase verbosity of test messages"
     17 echo "		-vv        Alias of -v -v (Show all results in stdout)"
     18 echo "		-vvv       Alias of -v -v -v (Show all commands immediately)"
     19 echo "		--fail-unsupported Treat UNSUPPORTED as a failure"
     20 echo "		-d|--debug Debug mode (trace all shell commands)"
     21 echo "		-l|--logdir <dir> Save logs on the <dir>"
     22 echo "		            If <dir> is -, all logs output in console only"
     23 exit $1
     24 }
     25 
     26 errexit() { # message
     27   echo "Error: $1" 1>&2
     28   exit 1
     29 }
     30 
     31 # Ensuring user privilege
     32 if [ `id -u` -ne 0 ]; then
     33   errexit "this must be run by root user"
     34 fi
     35 
     36 # Utilities
     37 absdir() { # file_path
     38   (cd `dirname $1`; pwd)
     39 }
     40 
     41 abspath() {
     42   echo `absdir $1`/`basename $1`
     43 }
     44 
     45 find_testcases() { #directory
     46   echo `find $1 -name \*.tc | sort`
     47 }
     48 
     49 parse_opts() { # opts
     50   local OPT_TEST_CASES=
     51   local OPT_TEST_DIR=
     52 
     53   while [ ! -z "$1" ]; do
     54     case "$1" in
     55     --help|-h)
     56       usage 0
     57     ;;
     58     --keep|-k)
     59       KEEP_LOG=1
     60       shift 1
     61     ;;
     62     --verbose|-v|-vv|-vvv)
     63       VERBOSE=$((VERBOSE + 1))
     64       [ $1 = '-vv' ] && VERBOSE=$((VERBOSE + 1))
     65       [ $1 = '-vvv' ] && VERBOSE=$((VERBOSE + 2))
     66       shift 1
     67     ;;
     68     --debug|-d)
     69       DEBUG=1
     70       shift 1
     71     ;;
     72     --fail-unsupported)
     73       UNSUPPORTED_RESULT=1
     74       shift 1
     75     ;;
     76     --logdir|-l)
     77       LOG_DIR=$2
     78       shift 2
     79     ;;
     80     *.tc)
     81       if [ -f "$1" ]; then
     82         OPT_TEST_CASES="$OPT_TEST_CASES `abspath $1`"
     83         shift 1
     84       else
     85         usage 1 "$1 is not a testcase"
     86       fi
     87       ;;
     88     *)
     89       if [ -d "$1" ]; then
     90         OPT_TEST_DIR=`abspath $1`
     91         OPT_TEST_CASES="$OPT_TEST_CASES `find_testcases $OPT_TEST_DIR`"
     92         shift 1
     93       else
     94         usage 1 "Invalid option ($1)"
     95       fi
     96     ;;
     97     esac
     98   done
     99   if [ ! -z "$OPT_TEST_CASES" ]; then
    100     TEST_CASES=$OPT_TEST_CASES
    101   fi
    102 }
    103 
    104 # Parameters
    105 DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
    106 if [ -z "$DEBUGFS_DIR" ]; then
    107     TRACING_DIR=`grep tracefs /proc/mounts | cut -f2 -d' ' | head -1`
    108 else
    109     TRACING_DIR=$DEBUGFS_DIR/tracing
    110 fi
    111 
    112 TOP_DIR=`absdir $0`
    113 TEST_DIR=$TOP_DIR/test.d
    114 TEST_CASES=`find_testcases $TEST_DIR`
    115 LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`/
    116 KEEP_LOG=0
    117 DEBUG=0
    118 VERBOSE=0
    119 UNSUPPORTED_RESULT=0
    120 # Parse command-line options
    121 parse_opts $*
    122 
    123 [ $DEBUG -ne 0 ] && set -x
    124 
    125 # Verify parameters
    126 if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then
    127   errexit "No ftrace directory found"
    128 fi
    129 
    130 # Preparing logs
    131 if [ "x$LOG_DIR" = "x-" ]; then
    132   LOG_FILE=
    133   date
    134 else
    135   LOG_FILE=$LOG_DIR/ftracetest.log
    136   mkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR"
    137   date > $LOG_FILE
    138 fi
    139 
    140 prlog() { # messages
    141   [ -z "$LOG_FILE" ] && echo "$@" || echo "$@" | tee -a $LOG_FILE
    142 }
    143 catlog() { #file
    144   [ -z "$LOG_FILE" ] && cat $1 || cat $1 | tee -a $LOG_FILE
    145 }
    146 prlog "=== Ftrace unit tests ==="
    147 
    148 
    149 # Testcase management
    150 # Test result codes - Dejagnu extended code
    151 PASS=0	# The test succeeded.
    152 FAIL=1	# The test failed, but was expected to succeed.
    153 UNRESOLVED=2  # The test produced indeterminate results. (e.g. interrupted)
    154 UNTESTED=3    # The test was not run, currently just a placeholder.
    155 UNSUPPORTED=4 # The test failed because of lack of feature.
    156 XFAIL=5	# The test failed, and was expected to fail.
    157 
    158 # Accumulations
    159 PASSED_CASES=
    160 FAILED_CASES=
    161 UNRESOLVED_CASES=
    162 UNTESTED_CASES=
    163 UNSUPPORTED_CASES=
    164 XFAILED_CASES=
    165 UNDEFINED_CASES=
    166 TOTAL_RESULT=0
    167 
    168 INSTANCE=
    169 CASENO=0
    170 testcase() { # testfile
    171   CASENO=$((CASENO+1))
    172   desc=`grep "^#[ \t]*description:" $1 | cut -f2 -d:`
    173   prlog -n "[$CASENO]$INSTANCE$desc"
    174 }
    175 
    176 test_on_instance() { # testfile
    177   grep -q "^#[ \t]*flags:.*instance" $1
    178 }
    179 
    180 eval_result() { # sigval
    181   case $1 in
    182     $PASS)
    183       prlog "	[PASS]"
    184       PASSED_CASES="$PASSED_CASES $CASENO"
    185       return 0
    186     ;;
    187     $FAIL)
    188       prlog "	[FAIL]"
    189       FAILED_CASES="$FAILED_CASES $CASENO"
    190       return 1 # this is a bug.
    191     ;;
    192     $UNRESOLVED)
    193       prlog "	[UNRESOLVED]"
    194       UNRESOLVED_CASES="$UNRESOLVED_CASES $CASENO"
    195       return 1 # this is a kind of bug.. something happened.
    196     ;;
    197     $UNTESTED)
    198       prlog "	[UNTESTED]"
    199       UNTESTED_CASES="$UNTESTED_CASES $CASENO"
    200       return 0
    201     ;;
    202     $UNSUPPORTED)
    203       prlog "	[UNSUPPORTED]"
    204       UNSUPPORTED_CASES="$UNSUPPORTED_CASES $CASENO"
    205       return $UNSUPPORTED_RESULT # depends on use case
    206     ;;
    207     $XFAIL)
    208       prlog "	[XFAIL]"
    209       XFAILED_CASES="$XFAILED_CASES $CASENO"
    210       return 0
    211     ;;
    212     *)
    213       prlog "	[UNDEFINED]"
    214       UNDEFINED_CASES="$UNDEFINED_CASES $CASENO"
    215       return 1 # this must be a test bug
    216     ;;
    217   esac
    218 }
    219 
    220 # Signal handling for result codes
    221 SIG_RESULT=
    222 SIG_BASE=36	# Use realtime signals
    223 SIG_PID=$$
    224 
    225 exit_pass () {
    226   exit 0
    227 }
    228 
    229 SIG_FAIL=$((SIG_BASE + FAIL))
    230 exit_fail () {
    231   exit 1
    232 }
    233 trap 'SIG_RESULT=$FAIL' $SIG_FAIL
    234 
    235 SIG_UNRESOLVED=$((SIG_BASE + UNRESOLVED))
    236 exit_unresolved () {
    237   kill -s $SIG_UNRESOLVED $SIG_PID
    238   exit 0
    239 }
    240 trap 'SIG_RESULT=$UNRESOLVED' $SIG_UNRESOLVED
    241 
    242 SIG_UNTESTED=$((SIG_BASE + UNTESTED))
    243 exit_untested () {
    244   kill -s $SIG_UNTESTED $SIG_PID
    245   exit 0
    246 }
    247 trap 'SIG_RESULT=$UNTESTED' $SIG_UNTESTED
    248 
    249 SIG_UNSUPPORTED=$((SIG_BASE + UNSUPPORTED))
    250 exit_unsupported () {
    251   kill -s $SIG_UNSUPPORTED $SIG_PID
    252   exit 0
    253 }
    254 trap 'SIG_RESULT=$UNSUPPORTED' $SIG_UNSUPPORTED
    255 
    256 SIG_XFAIL=$((SIG_BASE + XFAIL))
    257 exit_xfail () {
    258   kill -s $SIG_XFAIL $SIG_PID
    259   exit 0
    260 }
    261 trap 'SIG_RESULT=$XFAIL' $SIG_XFAIL
    262 
    263 __run_test() { # testfile
    264   # setup PID and PPID, $$ is not updated.
    265   (cd $TRACING_DIR; read PID _ < /proc/self/stat; set -e; set -x; initialize_ftrace; . $1)
    266   [ $? -ne 0 ] && kill -s $SIG_FAIL $SIG_PID
    267 }
    268 
    269 # Run one test case
    270 run_test() { # testfile
    271   local testname=`basename $1`
    272   if [ ! -z "$LOG_FILE" ] ; then
    273     local testlog=`mktemp $LOG_DIR/${testname}-log.XXXXXX`
    274   else
    275     local testlog=/proc/self/fd/1
    276   fi
    277   export TMPDIR=`mktemp -d /tmp/ftracetest-dir.XXXXXX`
    278   testcase $1
    279   echo "execute$INSTANCE: "$1 > $testlog
    280   SIG_RESULT=0
    281   if [ -z "$LOG_FILE" ]; then
    282     __run_test $1 2>&1
    283   elif [ $VERBOSE -ge 3 ]; then
    284     __run_test $1 | tee -a $testlog 2>&1
    285   elif [ $VERBOSE -eq 2 ]; then
    286     __run_test $1 2>> $testlog | tee -a $testlog
    287   else
    288     __run_test $1 >> $testlog 2>&1
    289   fi
    290   eval_result $SIG_RESULT
    291   if [ $? -eq 0 ]; then
    292     # Remove test log if the test was done as it was expected.
    293     [ $KEEP_LOG -eq 0 -a ! -z "$LOG_FILE" ] && rm $testlog
    294   else
    295     [ $VERBOSE -eq 1 -o $VERBOSE -eq 2 ] && catlog $testlog
    296     TOTAL_RESULT=1
    297   fi
    298   rm -rf $TMPDIR
    299 }
    300 
    301 # load in the helper functions
    302 . $TEST_DIR/functions
    303 
    304 # Main loop
    305 for t in $TEST_CASES; do
    306   run_test $t
    307 done
    308 
    309 # Test on instance loop
    310 INSTANCE=" (instance) "
    311 for t in $TEST_CASES; do
    312   test_on_instance $t || continue
    313   SAVED_TRACING_DIR=$TRACING_DIR
    314   export TRACING_DIR=`mktemp -d $TRACING_DIR/instances/ftracetest.XXXXXX`
    315   run_test $t
    316   rmdir $TRACING_DIR
    317   TRACING_DIR=$SAVED_TRACING_DIR
    318 done
    319 
    320 prlog ""
    321 prlog "# of passed: " `echo $PASSED_CASES | wc -w`
    322 prlog "# of failed: " `echo $FAILED_CASES | wc -w`
    323 prlog "# of unresolved: " `echo $UNRESOLVED_CASES | wc -w`
    324 prlog "# of untested: " `echo $UNTESTED_CASES | wc -w`
    325 prlog "# of unsupported: " `echo $UNSUPPORTED_CASES | wc -w`
    326 prlog "# of xfailed: " `echo $XFAILED_CASES | wc -w`
    327 prlog "# of undefined(test bug): " `echo $UNDEFINED_CASES | wc -w`
    328 
    329 # if no error, return 0
    330 exit $TOTAL_RESULT
    331