tools/testing/selftests/ftrace/ftracetest

   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@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