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 [ "$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 "          -d|--debug Debug mode (trace all shell commands)"
  17 exit $1
  18 }
  19
  20 errexit() { # message
  21   echo "Error: $1" 1>&2
  22   exit 1
  23 }
  24
  25 # Ensuring user privilege
  26 if [ `id -u` -ne 0 ]; then
  27   errexit "this must be run by root user"
  28 fi
  29
  30 # Utilities
  31 absdir() { # file_path
  32   (cd `dirname $1`; pwd)
  33 }
  34
  35 abspath() {
  36   echo `absdir $1`/`basename $1`
  37 }
  38
  39 find_testcases() { #directory
  40   echo `find $1 -name \*.tc`
  41 }
  42
  43 parse_opts() { # opts
  44   local OPT_TEST_CASES=
  45   local OPT_TEST_DIR=
  46
  47   while [ "$1" ]; do
  48     case "$1" in
  49     --help|-h)
  50       usage 0
  51     ;;
  52     --keep|-k)
  53       KEEP_LOG=1
  54       shift 1
  55     ;;
  56     --debug|-d)
  57       DEBUG=1
  58       shift 1
  59     ;;
  60     *.tc)
  61       if [ -f "$1" ]; then
  62         OPT_TEST_CASES="$OPT_TEST_CASES `abspath $1`"
  63         shift 1
  64       else
  65         usage 1 "$1 is not a testcase"
  66       fi
  67       ;;
  68     *)
  69       if [ -d "$1" ]; then
  70         OPT_TEST_DIR=`abspath $1`
  71         OPT_TEST_CASES="$OPT_TEST_CASES `find_testcases $OPT_TEST_DIR`"
  72         shift 1
  73       else
  74         usage 1 "Invalid option ($1)"
  75       fi
  76     ;;
  77     esac
  78   done
  79   if [ "$OPT_TEST_CASES" ]; then
  80     TEST_CASES=$OPT_TEST_CASES
  81   fi
  82 }
  83
  84 # Parameters
  85 DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' '`
  86 TRACING_DIR=$DEBUGFS_DIR/tracing
  87 TOP_DIR=`absdir $0`
  88 TEST_DIR=$TOP_DIR/test.d
  89 TEST_CASES=`find_testcases $TEST_DIR`
  90 LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`/
  91 KEEP_LOG=0
  92 DEBUG=0
  93 # Parse command-line options
  94 parse_opts $*
  95
  96 [ $DEBUG -ne 0 ] && set -x
  97
  98 # Verify parameters
  99 if [ -z "$DEBUGFS_DIR" -o ! -d "$TRACING_DIR" ]; then
 100   errexit "No ftrace directory found"
 101 fi
 102
 103 # Preparing logs
 104 LOG_FILE=$LOG_DIR/ftracetest.log
 105 mkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR"
 106 date > $LOG_FILE
 107 prlog() { # messages
 108   echo "$@" | tee -a $LOG_FILE
 109 }
 110 catlog() { #file
 111   cat $1 | tee -a $LOG_FILE
 112 }
 113 prlog "=== Ftrace unit tests ==="
 114
 115
 116 # Testcase management
 117 # Test result codes - Dejagnu extended code
 118 PASS=0  # The test succeeded.
 119 FAIL=1  # The test failed, but was expected to succeed.
 120 UNRESOLVED=2  # The test produced indeterminate results. (e.g. interrupted)
 121 UNTESTED=3    # The test was not run, currently just a placeholder.
 122 UNSUPPORTED=4 # The test failed because of lack of feature.
 123 XFAIL=5 # The test failed, and was expected to fail.
 124
 125 # Accumulations
 126 PASSED_CASES=
 127 FAILED_CASES=
 128 UNRESOLVED_CASES=
 129 UNTESTED_CASES=
 130 UNSUPPORTED_CASES=
 131 XFAILED_CASES=
 132 UNDEFINED_CASES=
 133 TOTAL_RESULT=0
 134
 135 CASENO=0
 136 testcase() { # testfile
 137   CASENO=$((CASENO+1))
 138   prlog -n "[$CASENO]"`grep "^#[ \t]*description:" $1 | cut -f2 -d:`
 139 }
 140
 141 eval_result() { # retval sigval
 142   local retval=$2
 143   if [ $2 -eq 0 ]; then
 144     test $1 -ne 0 && retval=$FAIL
 145   fi
 146   case $retval in
 147     $PASS)
 148       prlog "   [PASS]"
 149       PASSED_CASES="$PASSED_CASES $CASENO"
 150       return 0
 151     ;;
 152     $FAIL)
 153       prlog "   [FAIL]"
 154       FAILED_CASES="$FAILED_CASES $CASENO"
 155       return 1 # this is a bug.
 156     ;;
 157     $UNRESOLVED)
 158       prlog "   [UNRESOLVED]"
 159       UNRESOLVED_CASES="$UNRESOLVED_CASES $CASENO"
 160       return 1 # this is a kind of bug.. something happened.
 161     ;;
 162     $UNTESTED)
 163       prlog "   [UNTESTED]"
 164       UNTESTED_CASES="$UNTESTED_CASES $CASENO"
 165       return 0
 166     ;;
 167     $UNSUPPORTED)
 168       prlog "   [UNSUPPORTED]"
 169       UNSUPPORTED_CASES="$UNSUPPORTED_CASES $CASENO"
 170       return 1 # this is not a bug, but the result should be reported.
 171     ;;
 172     $XFAIL)
 173       prlog "   [XFAIL]"
 174       XFAILED_CASES="$XFAILED_CASES $CASENO"
 175       return 0
 176     ;;
 177     *)
 178       prlog "   [UNDEFINED]"
 179       UNDEFINED_CASES="$UNDEFINED_CASES $CASENO"
 180       return 1 # this must be a test bug
 181     ;;
 182   esac
 183 }
 184
 185 # Signal handling for result codes
 186 SIG_RESULT=
 187 SIG_BASE=36     # Use realtime signals
 188 SIG_PID=$$
 189
 190 SIG_UNRESOLVED=$((SIG_BASE + UNRESOLVED))
 191 exit_unresolved () {
 192   kill -s $SIG_UNRESOLVED $SIG_PID
 193   exit 0
 194 }
 195 trap 'SIG_RESULT=$UNRESOLVED' $SIG_UNRESOLVED
 196
 197 SIG_UNTESTED=$((SIG_BASE + UNTESTED))
 198 exit_untested () {
 199   kill -s $SIG_UNTESTED $SIG_PID
 200   exit 0
 201 }
 202 trap 'SIG_RESULT=$UNTESTED' $SIG_UNTESTED
 203
 204 SIG_UNSUPPORTED=$((SIG_BASE + UNSUPPORTED))
 205 exit_unsupported () {
 206   kill -s $SIG_UNSUPPORTED $SIG_PID
 207   exit 0
 208 }
 209 trap 'SIG_RESULT=$UNSUPPORTED' $SIG_UNSUPPORTED
 210
 211 SIG_XFAIL=$((SIG_BASE + XFAIL))
 212 exit_xfail () {
 213   kill -s $SIG_XFAIL $SIG_PID
 214   exit 0
 215 }
 216 trap 'SIG_RESULT=$XFAIL' $SIG_XFAIL
 217
 218 # Run one test case
 219 run_test() { # testfile
 220   local testname=`basename $1`
 221   local testlog=`mktemp --tmpdir=$LOG_DIR ${testname}-XXXXXX.log`
 222   testcase $1
 223   echo "execute: "$1 > $testlog
 224   SIG_RESULT=0
 225   # setup PID and PPID, $$ is not updated.
 226   (cd $TRACING_DIR; read PID _ < /proc/self/stat ;
 227    set -e; set -x; . $1) >> $testlog 2>&1
 228   eval_result $? $SIG_RESULT
 229   if [ $? -eq 0 ]; then
 230     # Remove test log if the test was done as it was expected.
 231     [ $KEEP_LOG -eq 0 ] && rm $testlog
 232   else
 233     catlog $testlog
 234     TOTAL_RESULT=1
 235   fi
 236 }
 237
 238 # Main loop
 239 for t in $TEST_CASES; do
 240   run_test $t
 241 done
 242
 243 prlog ""
 244 prlog "# of passed: " `echo $PASSED_CASES | wc -w`
 245 prlog "# of failed: " `echo $FAILED_CASES | wc -w`
 246 prlog "# of unresolved: " `echo $UNRESOLVED_CASES | wc -w`
 247 prlog "# of untested: " `echo $UNTESTED_CASES | wc -w`
 248 prlog "# of unsupported: " `echo $UNSUPPORTED_CASES | wc -w`
 249 prlog "# of xfailed: " `echo $XFAILED_CASES | wc -w`
 250 prlog "# of undefined(test bug): " `echo $UNDEFINED_CASES | wc -w`
 251
 252 # if no error, return 0
 253 exit $TOTAL_RESULT