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 10usage() { # errno [message] 11[ ! -z "$2" ] && echo $2 12echo "Usage: ftracetest [options] [testcase(s)] [testcase-directory(s)]" 13echo " Options:" 14echo " -h|--help Show help message" 15echo " -k|--keep Keep passed test logs" 16echo " -v|--verbose Increase verbosity of test messages" 17echo " -vv Alias of -v -v (Show all results in stdout)" 18echo " -vvv Alias of -v -v -v (Show all commands immediately)" 19echo " --fail-unsupported Treat UNSUPPORTED as a failure" 20echo " -d|--debug Debug mode (trace all shell commands)" 21echo " -l|--logdir <dir> Save logs on the <dir>" 22echo " If <dir> is -, all logs output in console only" 23exit $1 24} 25 26errexit() { # message 27 echo "Error: $1" 1>&2 28 exit 1 29} 30 31# Ensuring user privilege 32if [ `id -u` -ne 0 ]; then 33 errexit "this must be run by root user" 34fi 35 36# Utilities 37absdir() { # file_path 38 (cd `dirname $1`; pwd) 39} 40 41abspath() { 42 echo `absdir $1`/`basename $1` 43} 44 45find_testcases() { #directory 46 echo `find $1 -name \*.tc | sort` 47} 48 49parse_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 if [ $VERBOSE -eq -1 ]; then 64 usage "--console can not use with --verbose" 65 fi 66 VERBOSE=$((VERBOSE + 1)) 67 [ $1 = '-vv' ] && VERBOSE=$((VERBOSE + 1)) 68 [ $1 = '-vvv' ] && VERBOSE=$((VERBOSE + 2)) 69 shift 1 70 ;; 71 --console) 72 if [ $VERBOSE -ne 0 ]; then 73 usage "--console can not use with --verbose" 74 fi 75 VERBOSE=-1 76 shift 1 77 ;; 78 --debug|-d) 79 DEBUG=1 80 shift 1 81 ;; 82 --stop-fail) 83 STOP_FAILURE=1 84 shift 1 85 ;; 86 --fail-unsupported) 87 UNSUPPORTED_RESULT=1 88 shift 1 89 ;; 90 --logdir|-l) 91 LOG_DIR=$2 92 shift 2 93 ;; 94 *.tc) 95 if [ -f "$1" ]; then 96 OPT_TEST_CASES="$OPT_TEST_CASES `abspath $1`" 97 shift 1 98 else 99 usage 1 "$1 is not a testcase" 100 fi 101 ;; 102 *) 103 if [ -d "$1" ]; then 104 OPT_TEST_DIR=`abspath $1` 105 OPT_TEST_CASES="$OPT_TEST_CASES `find_testcases $OPT_TEST_DIR`" 106 shift 1 107 else 108 usage 1 "Invalid option ($1)" 109 fi 110 ;; 111 esac 112 done 113 if [ ! -z "$OPT_TEST_CASES" ]; then 114 TEST_CASES=$OPT_TEST_CASES 115 fi 116} 117 118# Parameters 119DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1` 120if [ -z "$DEBUGFS_DIR" ]; then 121 TRACING_DIR=`grep tracefs /proc/mounts | cut -f2 -d' ' | head -1` 122else 123 TRACING_DIR=$DEBUGFS_DIR/tracing 124fi 125 126TOP_DIR=`absdir $0` 127TEST_DIR=$TOP_DIR/test.d 128TEST_CASES=`find_testcases $TEST_DIR` 129LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`/ 130KEEP_LOG=0 131DEBUG=0 132VERBOSE=0 133UNSUPPORTED_RESULT=0 134STOP_FAILURE=0 135# Parse command-line options 136parse_opts $* 137 138[ $DEBUG -ne 0 ] && set -x 139 140# Verify parameters 141if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then 142 errexit "No ftrace directory found" 143fi 144 145# Preparing logs 146if [ "x$LOG_DIR" = "x-" ]; then 147 LOG_FILE= 148 date 149else 150 LOG_FILE=$LOG_DIR/ftracetest.log 151 mkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR" 152 date > $LOG_FILE 153fi 154 155prlog() { # messages 156 [ -z "$LOG_FILE" ] && echo "$@" || echo "$@" | tee -a $LOG_FILE 157} 158catlog() { #file 159 [ -z "$LOG_FILE" ] && cat $1 || cat $1 | tee -a $LOG_FILE 160} 161prlog "=== Ftrace unit tests ===" 162 163 164# Testcase management 165# Test result codes - Dejagnu extended code 166PASS=0 # The test succeeded. 167FAIL=1 # The test failed, but was expected to succeed. 168UNRESOLVED=2 # The test produced indeterminate results. (e.g. interrupted) 169UNTESTED=3 # The test was not run, currently just a placeholder. 170UNSUPPORTED=4 # The test failed because of lack of feature. 171XFAIL=5 # The test failed, and was expected to fail. 172 173# Accumulations 174PASSED_CASES= 175FAILED_CASES= 176UNRESOLVED_CASES= 177UNTESTED_CASES= 178UNSUPPORTED_CASES= 179XFAILED_CASES= 180UNDEFINED_CASES= 181TOTAL_RESULT=0 182 183INSTANCE= 184CASENO=0 185testcase() { # testfile 186 CASENO=$((CASENO+1)) 187 desc=`grep "^#[ \t]*description:" $1 | cut -f2 -d:` 188 prlog -n "[$CASENO]$INSTANCE$desc" 189} 190 191test_on_instance() { # testfile 192 grep -q "^#[ \t]*flags:.*instance" $1 193} 194 195eval_result() { # sigval 196 case $1 in 197 $PASS) 198 prlog " [PASS]" 199 PASSED_CASES="$PASSED_CASES $CASENO" 200 return 0 201 ;; 202 $FAIL) 203 prlog " [FAIL]" 204 FAILED_CASES="$FAILED_CASES $CASENO" 205 return 1 # this is a bug. 206 ;; 207 $UNRESOLVED) 208 prlog " [UNRESOLVED]" 209 UNRESOLVED_CASES="$UNRESOLVED_CASES $CASENO" 210 return 1 # this is a kind of bug.. something happened. 211 ;; 212 $UNTESTED) 213 prlog " [UNTESTED]" 214 UNTESTED_CASES="$UNTESTED_CASES $CASENO" 215 return 0 216 ;; 217 $UNSUPPORTED) 218 prlog " [UNSUPPORTED]" 219 UNSUPPORTED_CASES="$UNSUPPORTED_CASES $CASENO" 220 return $UNSUPPORTED_RESULT # depends on use case 221 ;; 222 $XFAIL) 223 prlog " [XFAIL]" 224 XFAILED_CASES="$XFAILED_CASES $CASENO" 225 return 0 226 ;; 227 *) 228 prlog " [UNDEFINED]" 229 UNDEFINED_CASES="$UNDEFINED_CASES $CASENO" 230 return 1 # this must be a test bug 231 ;; 232 esac 233} 234 235# Signal handling for result codes 236SIG_RESULT= 237SIG_BASE=36 # Use realtime signals 238SIG_PID=$$ 239 240exit_pass () { 241 exit 0 242} 243 244SIG_FAIL=$((SIG_BASE + FAIL)) 245exit_fail () { 246 exit 1 247} 248trap 'SIG_RESULT=$FAIL' $SIG_FAIL 249 250SIG_UNRESOLVED=$((SIG_BASE + UNRESOLVED)) 251exit_unresolved () { 252 kill -s $SIG_UNRESOLVED $SIG_PID 253 exit 0 254} 255trap 'SIG_RESULT=$UNRESOLVED' $SIG_UNRESOLVED 256 257SIG_UNTESTED=$((SIG_BASE + UNTESTED)) 258exit_untested () { 259 kill -s $SIG_UNTESTED $SIG_PID 260 exit 0 261} 262trap 'SIG_RESULT=$UNTESTED' $SIG_UNTESTED 263 264SIG_UNSUPPORTED=$((SIG_BASE + UNSUPPORTED)) 265exit_unsupported () { 266 kill -s $SIG_UNSUPPORTED $SIG_PID 267 exit 0 268} 269trap 'SIG_RESULT=$UNSUPPORTED' $SIG_UNSUPPORTED 270 271SIG_XFAIL=$((SIG_BASE + XFAIL)) 272exit_xfail () { 273 kill -s $SIG_XFAIL $SIG_PID 274 exit 0 275} 276trap 'SIG_RESULT=$XFAIL' $SIG_XFAIL 277 278__run_test() { # testfile 279 # setup PID and PPID, $$ is not updated. 280 (cd $TRACING_DIR; read PID _ < /proc/self/stat; set -e; set -x; initialize_ftrace; . $1) 281 [ $? -ne 0 ] && kill -s $SIG_FAIL $SIG_PID 282} 283 284# Run one test case 285run_test() { # testfile 286 local testname=`basename $1` 287 testcase $1 288 if [ ! -z "$LOG_FILE" ] ; then 289 local testlog=`mktemp $LOG_DIR/${CASENO}-${testname}-log.XXXXXX` 290 else 291 local testlog=/proc/self/fd/1 292 fi 293 export TMPDIR=`mktemp -d /tmp/ftracetest-dir.XXXXXX` 294 echo "execute$INSTANCE: "$1 > $testlog 295 SIG_RESULT=0 296 if [ $VERBOSE -eq -1 ]; then 297 __run_test $1 298 elif [ -z "$LOG_FILE" ]; then 299 __run_test $1 2>&1 300 elif [ $VERBOSE -ge 3 ]; then 301 __run_test $1 | tee -a $testlog 2>&1 302 elif [ $VERBOSE -eq 2 ]; then 303 __run_test $1 2>> $testlog | tee -a $testlog 304 else 305 __run_test $1 >> $testlog 2>&1 306 fi 307 eval_result $SIG_RESULT 308 if [ $? -eq 0 ]; then 309 # Remove test log if the test was done as it was expected. 310 [ $KEEP_LOG -eq 0 -a ! -z "$LOG_FILE" ] && rm $testlog 311 else 312 [ $VERBOSE -eq 1 -o $VERBOSE -eq 2 ] && catlog $testlog 313 TOTAL_RESULT=1 314 fi 315 rm -rf $TMPDIR 316} 317 318# load in the helper functions 319. $TEST_DIR/functions 320 321# Main loop 322for t in $TEST_CASES; do 323 run_test $t 324 if [ $STOP_FAILURE -ne 0 -a $TOTAL_RESULT -ne 0 ]; then 325 echo "A failure detected. Stop test." 326 exit 1 327 fi 328done 329 330# Test on instance loop 331INSTANCE=" (instance) " 332for t in $TEST_CASES; do 333 test_on_instance $t || continue 334 SAVED_TRACING_DIR=$TRACING_DIR 335 export TRACING_DIR=`mktemp -d $TRACING_DIR/instances/ftracetest.XXXXXX` 336 run_test $t 337 rmdir $TRACING_DIR 338 TRACING_DIR=$SAVED_TRACING_DIR 339 if [ $STOP_FAILURE -ne 0 -a $TOTAL_RESULT -ne 0 ]; then 340 echo "A failure detected. Stop test." 341 exit 1 342 fi 343done 344(cd $TRACING_DIR; initialize_ftrace) # for cleanup 345 346prlog "" 347prlog "# of passed: " `echo $PASSED_CASES | wc -w` 348prlog "# of failed: " `echo $FAILED_CASES | wc -w` 349prlog "# of unresolved: " `echo $UNRESOLVED_CASES | wc -w` 350prlog "# of untested: " `echo $UNTESTED_CASES | wc -w` 351prlog "# of unsupported: " `echo $UNSUPPORTED_CASES | wc -w` 352prlog "# of xfailed: " `echo $XFAILED_CASES | wc -w` 353prlog "# of undefined(test bug): " `echo $UNDEFINED_CASES | wc -w` 354 355# if no error, return 0 356exit $TOTAL_RESULT 357