tests/qemu-iotests/check

   1 #!/usr/bin/env bash
   2 #
   3 # Copyright (C) 2009 Red Hat, Inc.
   4 # Copyright (c) 2000-2002,2006 Silicon Graphics, Inc.  All Rights Reserved.
   5 #
   6 # This program is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU General Public License as
   8 # published by the Free Software Foundation.
   9 #
  10 # This program is distributed in the hope that it would be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #
  19 # Control script for QA
  20 #
  21
  22 status=0
  23 needwrap=true
  24 try=0
  25 n_bad=0
  26 bad=""
  27 notrun=""
  28 casenotrun=""
  29 interrupt=true
  30
  31 # by default don't output timestamps
  32 timestamp=${TIMESTAMP:=false}
  33
  34 _init_error()
  35 {
  36     echo "check: $1" >&2
  37     exit 1
  38 }
  39
  40 if [ -L "$0" ]
  41 then
  42     # called from the build tree
  43     source_iotests=$(dirname "$(readlink "$0")")
  44     if [ -z "$source_iotests" ]
  45     then
  46         _init_error "failed to obtain source tree name from check symlink"
  47     fi
  48     source_iotests=$(cd "$source_iotests"; pwd) || _init_error "failed to enter source tree"
  49     build_iotests=$PWD
  50 else
  51     # called from the source tree
  52     source_iotests=$PWD
  53     # this may be an in-tree build (note that in the following code we may not
  54     # assume that it truly is and have to test whether the build results
  55     # actually exist)
  56     build_iotests=$PWD
  57 fi
  58
  59 build_root="$build_iotests/../.."
  60
  61 # we need common.env
  62 if ! . "$build_iotests/common.env"
  63 then
  64     _init_error "failed to source common.env (make sure the qemu-iotests are run from tests/qemu-iotests in the build tree)"
  65 fi
  66
  67 # we need common.config
  68 if ! . "$source_iotests/common.config"
  69 then
  70     _init_error "failed to source common.config"
  71 fi
  72
  73 _full_imgfmt_details()
  74 {
  75     if [ -n "$IMGOPTS" ]; then
  76         echo "$IMGFMT ($IMGOPTS)"
  77     else
  78         echo "$IMGFMT"
  79     fi
  80 }
  81
  82 _full_platform_details()
  83 {
  84     os=$(uname -s)
  85     host=$(hostname -s)
  86     kernel=$(uname -r)
  87     platform=$(uname -m)
  88     echo "$os/$platform $host $kernel"
  89 }
  90
  91 # $1 = prog to look for
  92 set_prog_path()
  93 {
  94     p=$(command -v $1 2> /dev/null)
  95     if [ -n "$p" -a -x "$p" ]; then
  96         type -p "$p"
  97     else
  98         return 1
  99     fi
 100 }
 101
 102 if [ -z "$TEST_DIR" ]; then
 103         TEST_DIR=$PWD/scratch
 104 fi
 105
 106 if [ ! -e "$TEST_DIR" ]; then
 107         mkdir "$TEST_DIR"
 108 fi
 109
 110 diff="diff -u"
 111 verbose=false
 112 debug=false
 113 group=false
 114 xgroup=false
 115 imgopts=false
 116 showme=false
 117 sortme=false
 118 expunge=true
 119 have_test_arg=false
 120 cachemode=false
 121
 122 tmp="${TEST_DIR}"/$$
 123 rm -f $tmp.list $tmp.tmp $tmp.sed
 124
 125 export IMGFMT=raw
 126 export IMGFMT_GENERIC=true
 127 export IMGPROTO=file
 128 export IMGOPTS=""
 129 export CACHEMODE="writeback"
 130 export QEMU_IO_OPTIONS=""
 131 export QEMU_IO_OPTIONS_NO_FMT=""
 132 export CACHEMODE_IS_DEFAULT=true
 133 export QEMU_OPTIONS="-nodefaults -machine accel=qtest"
 134 export VALGRIND_QEMU=
 135 export IMGKEYSECRET=
 136 export IMGOPTSSYNTAX=false
 137
 138 # Save current tty settings, since an aborting qemu call may leave things
 139 # screwed up
 140 STTY_RESTORE=
 141 if test -t 0; then
 142     STTY_RESTORE=$(stty -g)
 143 fi
 144
 145 for r
 146 do
 147
 148     if $group
 149     then
 150         # arg after -g
 151         group_list=$(sed -n <"$source_iotests/group" -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
 152 s/ .*//p
 153 }')
 154         if [ -z "$group_list" ]
 155         then
 156             echo "Group \"$r\" is empty or not defined?"
 157             exit 1
 158         fi
 159         [ ! -s $tmp.list ] && touch $tmp.list
 160         for t in $group_list
 161         do
 162             if grep -s "^$t\$" $tmp.list >/dev/null
 163             then
 164                 :
 165             else
 166                 echo "$t" >>$tmp.list
 167             fi
 168         done
 169         group=false
 170         continue
 171
 172     elif $xgroup
 173     then
 174         # arg after -x
 175         # Populate $tmp.list with all tests
 176         awk '/^[0-9]{3,}/ {print $1}' "${source_iotests}/group" > $tmp.list 2>/dev/null
 177         group_list=$(sed -n <"$source_iotests/group" -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
 178 s/ .*//p
 179 }')
 180         if [ -z "$group_list" ]
 181         then
 182             echo "Group \"$r\" is empty or not defined?"
 183             exit 1
 184         fi
 185         numsed=0
 186         rm -f $tmp.sed
 187         for t in $group_list
 188         do
 189             if [ $numsed -gt 100 ]
 190             then
 191                 sed -f $tmp.sed <$tmp.list >$tmp.tmp
 192                 mv $tmp.tmp $tmp.list
 193                 numsed=0
 194                 rm -f $tmp.sed
 195             fi
 196             echo "/^$t\$/d" >>$tmp.sed
 197             numsed=$(expr $numsed + 1)
 198         done
 199         sed -f $tmp.sed <$tmp.list >$tmp.tmp
 200         mv $tmp.tmp $tmp.list
 201         xgroup=false
 202         continue
 203
 204     elif $imgopts
 205     then
 206         IMGOPTS="$r"
 207         imgopts=false
 208         continue
 209     elif $cachemode
 210     then
 211         CACHEMODE="$r"
 212         CACHEMODE_IS_DEFAULT=false
 213         cachemode=false
 214         continue
 215     fi
 216
 217     xpand=true
 218     case "$r"
 219     in
 220
 221         -\? | -h | --help)        # usage
 222             echo "Usage: $0 [options] [testlist]"'
 223
 224 common options
 225     -v                  verbose
 226     -d                  debug
 227
 228 image format options
 229     -raw                test raw (default)
 230     -bochs              test bochs
 231     -cloop              test cloop
 232     -parallels          test parallels
 233     -qcow               test qcow
 234     -qcow2              test qcow2
 235     -qed                test qed
 236     -vdi                test vdi
 237     -vpc                test vpc
 238     -vhdx               test vhdx
 239     -vmdk               test vmdk
 240     -luks               test luks
 241     -dmg                test dmg
 242
 243 image protocol options
 244     -file               test file (default)
 245     -rbd                test rbd
 246     -sheepdog           test sheepdog
 247     -nbd                test nbd
 248     -ssh                test ssh
 249     -nfs                test nfs
 250     -vxhs               test vxhs
 251
 252 other options
 253     -xdiff              graphical mode diff
 254     -nocache            use O_DIRECT on backing file
 255     -misalign           misalign memory allocations
 256     -n                  show me, do not run tests
 257     -o options          -o options to pass to qemu-img create/convert
 258     -T                  output timestamps
 259     -c mode             cache mode
 260
 261 testlist options
 262     -g group[,group...]        include tests from these groups
 263     -x group[,group...]        exclude tests from these groups
 264     NNN                        include test NNN
 265     NNN-NNN                    include test range (eg. 012-021)
 266 '
 267             exit 0
 268             ;;
 269
 270         -raw)
 271             IMGFMT=raw
 272             xpand=false
 273             ;;
 274
 275         -bochs)
 276             IMGFMT=bochs
 277             IMGFMT_GENERIC=false
 278             xpand=false
 279             ;;
 280
 281         -cloop)
 282             IMGFMT=cloop
 283             IMGFMT_GENERIC=false
 284             xpand=false
 285             ;;
 286
 287         -parallels)
 288             IMGFMT=parallels
 289             xpand=false
 290             ;;
 291
 292         -qcow)
 293             IMGFMT=qcow
 294             xpand=false
 295             ;;
 296
 297         -qcow2)
 298             IMGFMT=qcow2
 299             xpand=false
 300             ;;
 301
 302         -luks)
 303             IMGOPTSSYNTAX=true
 304             IMGFMT=luks
 305             IMGKEYSECRET=123456
 306             xpand=false
 307             ;;
 308
 309         -dmg)
 310             IMGFMT=dmg
 311             IMGFMT_GENERIC=false
 312             xpand=false
 313             ;;
 314
 315         -qed)
 316             IMGFMT=qed
 317             xpand=false
 318             ;;
 319
 320         -vdi)
 321             IMGFMT=vdi
 322             xpand=false
 323             ;;
 324
 325         -vmdk)
 326             IMGFMT=vmdk
 327             xpand=false
 328             ;;
 329
 330         -vpc)
 331             IMGFMT=vpc
 332             xpand=false
 333             ;;
 334
 335         -vhdx)
 336             IMGFMT=vhdx
 337             xpand=false
 338             ;;
 339
 340         -file)
 341             IMGPROTO=file
 342             xpand=false
 343             ;;
 344
 345         -rbd)
 346             IMGPROTO=rbd
 347             xpand=false
 348             ;;
 349
 350         -sheepdog)
 351             IMGPROTO=sheepdog
 352             xpand=false
 353             ;;
 354
 355         -nbd)
 356             IMGPROTO=nbd
 357             xpand=false
 358             ;;
 359
 360         -vxhs)
 361             IMGPROTO=vxhs
 362             xpand=false
 363             ;;
 364
 365         -ssh)
 366             IMGPROTO=ssh
 367             xpand=false
 368             ;;
 369
 370         -nfs)
 371             IMGPROTO=nfs
 372             xpand=false
 373             ;;
 374
 375         -nocache)
 376             CACHEMODE="none"
 377             CACHEMODE_IS_DEFAULT=false
 378             xpand=false
 379             ;;
 380
 381         -misalign)
 382             QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --misalign"
 383             xpand=false
 384             ;;
 385
 386         -valgrind)
 387             VALGRIND_QEMU='y'
 388             xpand=false
 389             ;;
 390
 391         -g)        # -g group ... pick from group file
 392             group=true
 393             xpand=false
 394             ;;
 395
 396         -xdiff)        # graphical diff mode
 397             xpand=false
 398
 399             if [ ! -z "$DISPLAY" ]
 400             then
 401                 command -v xdiff >/dev/null 2>&1 && diff=xdiff
 402                 command -v gdiff >/dev/null 2>&1 && diff=gdiff
 403                 command -v tkdiff >/dev/null 2>&1 && diff=tkdiff
 404                 command -v xxdiff >/dev/null 2>&1 && diff=xxdiff
 405             fi
 406             ;;
 407
 408         -n)        # show me, don't do it
 409             showme=true
 410             xpand=false
 411             ;;
 412         -o)
 413             imgopts=true
 414             xpand=false
 415             ;;
 416         -c)
 417             cachemode=true
 418             xpand=false
 419             ;;
 420         -T)        # turn on timestamp output
 421             timestamp=true
 422             xpand=false
 423             ;;
 424
 425         -v)
 426             verbose=true
 427             xpand=false
 428             ;;
 429         -d)
 430             debug=true
 431             xpand=false
 432             ;;
 433         -x)        # -x group ... exclude from group file
 434             xgroup=true
 435             xpand=false
 436             ;;
 437         '[0-9][0-9][0-9] [0-9][0-9][0-9][0-9]')
 438             echo "No tests?"
 439             status=1
 440             exit $status
 441             ;;
 442
 443         [0-9]*-[0-9]*)
 444             eval $(echo $r | sed -e 's/^/start=/' -e 's/-/ end=/')
 445             ;;
 446
 447         [0-9]*-)
 448             eval $(echo $r | sed -e 's/^/start=/' -e 's/-//')
 449             end=$(echo [0-9][0-9][0-9] [0-9][0-9][0-9][0-9] | sed -e 's/\[0-9]//g' -e 's/  *$//' -e 's/.* //')
 450             if [ -z "$end" ]
 451             then
 452                 echo "No tests in range \"$r\"?"
 453                 status=1
 454                 exit $status
 455             fi
 456             ;;
 457
 458         *)
 459             start=$r
 460             end=$r
 461             ;;
 462
 463     esac
 464
 465     # get rid of leading 0s as can be interpreted as octal
 466     start=$(echo $start | sed 's/^0*//')
 467     end=$(echo $end | sed 's/^0*//')
 468
 469     if $xpand
 470     then
 471         have_test_arg=true
 472         awk </dev/null '
 473 BEGIN        { for (t='$start'; t<='$end'; t++) printf "%03d\n",t }' \
 474         | while read id
 475         do
 476             if grep -s "^$id " "$source_iotests/group" >/dev/null
 477             then
 478                 # in group file ... OK
 479                 echo $id >>$tmp.list
 480             else
 481                 if [ -f expunged ] && $expunge && egrep "^$id([         ]|\$)" expunged >/dev/null
 482                 then
 483                     # expunged ... will be reported, but not run, later
 484                     echo $id >>$tmp.list
 485                 else
 486                     # oops
 487                     if [ "$start" == "$end" -a "$id" == "$end" ]
 488                     then
 489                         echo "$id - unknown test"
 490                         exit 1
 491                     else
 492                         echo "$id - unknown test, ignored"
 493                     fi
 494                 fi
 495             fi
 496         done || exit 1
 497     fi
 498
 499 done
 500
 501 # Set qemu-io cache mode with $CACHEMODE we have
 502 QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --cache $CACHEMODE"
 503
 504 QEMU_IO_OPTIONS_NO_FMT="$QEMU_IO_OPTIONS"
 505 if [ "$IMGOPTSSYNTAX" != "true" ]; then
 506     QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS -f $IMGFMT"
 507 fi
 508
 509 # Set default options for qemu-img create -o if they were not specified
 510 if [ "$IMGFMT" == "qcow2" ] && ! (echo "$IMGOPTS" | grep "compat=" > /dev/null); then
 511     IMGOPTS=$(_optstr_add "$IMGOPTS" "compat=1.1")
 512 fi
 513 if [ "$IMGFMT" == "luks" ] && ! (echo "$IMGOPTS" | grep "iter-time=" > /dev/null); then
 514     IMGOPTS=$(_optstr_add "$IMGOPTS" "iter-time=10")
 515 fi
 516
 517 if [ -z "$SAMPLE_IMG_DIR" ]; then
 518         SAMPLE_IMG_DIR="$source_iotests/sample_images"
 519 fi
 520
 521 export TEST_DIR
 522 export SAMPLE_IMG_DIR
 523
 524 if [ -s $tmp.list ]
 525 then
 526     # found some valid test numbers ... this is good
 527     :
 528 else
 529     if $have_test_arg
 530     then
 531         # had test numbers, but none in group file ... do nothing
 532         touch $tmp.list
 533     else
 534         # no test numbers, do everything from group file
 535         sed -n -e '/^[0-9][0-9][0-9]*/s/[         ].*//p' <"$source_iotests/group" >$tmp.list
 536     fi
 537 fi
 538
 539 # should be sort -n, but this did not work for Linux when this
 540 # was ported from IRIX
 541 #
 542 list=$(sort $tmp.list)
 543 rm -f $tmp.list $tmp.tmp $tmp.sed
 544
 545 if [ -z "$QEMU_PROG" ]
 546 then
 547     if [ -x "$build_iotests/qemu" ]; then
 548         export QEMU_PROG="$build_iotests/qemu"
 549     elif [ -x "$build_root/${qemu_arch}-softmmu/qemu-system-${qemu_arch}" ]; then
 550         export QEMU_PROG="$build_root/${qemu_arch}-softmmu/qemu-system-${qemu_arch}"
 551     else
 552         pushd "$build_root" > /dev/null
 553         for binary in *-softmmu/qemu-system-*
 554         do
 555             if [ -x "$binary" ]
 556             then
 557                 export QEMU_PROG="$build_root/$binary"
 558                 break
 559             fi
 560         done
 561         popd > /dev/null
 562         [ "$QEMU_PROG" = "" ] && _init_error "qemu not found"
 563     fi
 564 fi
 565 export QEMU_PROG="$(type -p "$QEMU_PROG")"
 566
 567 if [ -z "$QEMU_IMG_PROG" ]; then
 568     if [ -x "$build_iotests/qemu-img" ]; then
 569         export QEMU_IMG_PROG="$build_iotests/qemu-img"
 570     elif [ -x "$build_root/qemu-img" ]; then
 571         export QEMU_IMG_PROG="$build_root/qemu-img"
 572     else
 573         _init_error "qemu-img not found"
 574     fi
 575 fi
 576 export QEMU_IMG_PROG="$(type -p "$QEMU_IMG_PROG")"
 577
 578 if [ -z "$QEMU_IO_PROG" ]; then
 579     if [ -x "$build_iotests/qemu-io" ]; then
 580         export QEMU_IO_PROG="$build_iotests/qemu-io"
 581     elif [ -x "$build_root/qemu-io" ]; then
 582         export QEMU_IO_PROG="$build_root/qemu-io"
 583     else
 584         _init_error "qemu-io not found"
 585     fi
 586 fi
 587 export QEMU_IO_PROG="$(type -p "$QEMU_IO_PROG")"
 588
 589 if [ -z $QEMU_NBD_PROG ]; then
 590     if [ -x "$build_iotests/qemu-nbd" ]; then
 591         export QEMU_NBD_PROG="$build_iotests/qemu-nbd"
 592     elif [ -x "$build_root/qemu-nbd" ]; then
 593         export QEMU_NBD_PROG="$build_root/qemu-nbd"
 594     else
 595         _init_error "qemu-nbd not found"
 596     fi
 597 fi
 598 export QEMU_NBD_PROG="$(type -p "$QEMU_NBD_PROG")"
 599
 600 if [ -z "$QEMU_VXHS_PROG" ]; then
 601     export QEMU_VXHS_PROG="$(set_prog_path qnio_server)"
 602 fi
 603
 604 if [ -x "$build_iotests/socket_scm_helper" ]
 605 then
 606     export SOCKET_SCM_HELPER="$build_iotests/socket_scm_helper"
 607 fi
 608
 609 default_machine=$($QEMU_PROG -machine help | sed -n '/(default)/ s/ .*//p')
 610 default_alias_machine=$($QEMU_PROG -machine help | \
 611    sed -n "/(alias of $default_machine)/ { s/ .*//p; q; }")
 612 if [[ "$default_alias_machine" ]]; then
 613     default_machine="$default_alias_machine"
 614 fi
 615
 616 export QEMU_DEFAULT_MACHINE="$default_machine"
 617
 618 TIMESTAMP_FILE=check.time-$IMGPROTO-$IMGFMT
 619
 620 _wallclock()
 621 {
 622     date "+%H %M %S" | awk '{ print $1*3600 + $2*60 + $3 }'
 623 }
 624
 625 _timestamp()
 626 {
 627     now=$(date "+%T")
 628     printf %s " [$now]"
 629 }
 630
 631 _wrapup()
 632 {
 633     if $showme
 634     then
 635         :
 636     elif $needwrap
 637     then
 638         if [ -f $TIMESTAMP_FILE -a -f $tmp.time ]
 639         then
 640             cat $TIMESTAMP_FILE $tmp.time \
 641             | awk '
 642         { t[$1] = $2 }
 643 END        { if (NR > 0) {
 644             for (i in t) print i " " t[i]
 645           }
 646         }' \
 647             | sort -n >$tmp.out
 648             mv $tmp.out $TIMESTAMP_FILE
 649         fi
 650
 651         if [ -f $tmp.expunged ]
 652         then
 653             notrun=$(wc -l <$tmp.expunged | sed -e 's/  *//g')
 654             try=$(expr $try - $notrun)
 655             list=$(echo "$list" | sed -f $tmp.expunged)
 656         fi
 657
 658         echo "" >>check.log
 659         date >>check.log
 660         echo $list | fmt | sed -e 's/^/    /' >>check.log
 661         $interrupt && echo "Interrupted!" >>check.log
 662
 663         if [ ! -z "$notrun" ]
 664         then
 665             echo "Not run:$notrun"
 666             echo "Not run:$notrun" >>check.log
 667         fi
 668         if [ ! -z "$casenotrun" ]
 669         then
 670             echo "Some cases not run in:$casenotrun"
 671             echo "Some cases not run in:$casenotrun" >>check.log
 672         fi
 673         if [ ! -z "$n_bad" -a $n_bad != 0 ]
 674         then
 675             echo "Failures:$bad"
 676             echo "Failed $n_bad of $try tests"
 677             echo "Failures:$bad" | fmt >>check.log
 678             echo "Failed $n_bad of $try tests" >>check.log
 679         else
 680             echo "Passed all $try tests"
 681             echo "Passed all $try tests" >>check.log
 682         fi
 683         needwrap=false
 684     fi
 685
 686     if test -n "$STTY_RESTORE"; then
 687         stty $STTY_RESTORE
 688     fi
 689     rm -f "${TEST_DIR}"/*.out "${TEST_DIR}"/*.err "${TEST_DIR}"/*.time
 690     rm -f "${TEST_DIR}"/check.pid "${TEST_DIR}"/check.sts
 691     rm -f $tmp.*
 692 }
 693
 694 trap "_wrapup; exit \$status" 0 1 2 3 15
 695
 696 [ -f $TIMESTAMP_FILE ] || touch $TIMESTAMP_FILE
 697
 698 FULL_IMGFMT_DETAILS=$(_full_imgfmt_details)
 699 FULL_HOST_DETAILS=$(_full_platform_details)
 700
 701 cat <<EOF
 702 QEMU          -- "$QEMU_PROG" $QEMU_OPTIONS
 703 QEMU_IMG      -- "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS
 704 QEMU_IO       -- "$QEMU_IO_PROG" $QEMU_IO_OPTIONS
 705 QEMU_NBD      -- "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS
 706 IMGFMT        -- $FULL_IMGFMT_DETAILS
 707 IMGPROTO      -- $IMGPROTO
 708 PLATFORM      -- $FULL_HOST_DETAILS
 709 TEST_DIR      -- $TEST_DIR
 710 SOCKET_SCM_HELPER -- $SOCKET_SCM_HELPER
 711
 712 EOF
 713
 714 seq="check"
 715
 716 [ -n "$TESTS_REMAINING_LOG" ] && echo $list > $TESTS_REMAINING_LOG
 717
 718 for seq in $list
 719 do
 720     err=false
 721     printf %s "$seq"
 722     if [ -n "$TESTS_REMAINING_LOG" ] ; then
 723         sed -e "s/$seq//" -e 's/  / /' -e 's/^ *//' $TESTS_REMAINING_LOG > $TESTS_REMAINING_LOG.tmp
 724         mv $TESTS_REMAINING_LOG.tmp $TESTS_REMAINING_LOG
 725         sync
 726     fi
 727
 728     if $showme
 729     then
 730         echo
 731         continue
 732     elif [ -f expunged ] && $expunge && egrep "^$seq([         ]|\$)" expunged >/dev/null
 733     then
 734         echo " - expunged"
 735         rm -f $seq.out.bad
 736         echo "/^$seq\$/d" >>$tmp.expunged
 737     elif [ ! -f "$source_iotests/$seq" ]
 738     then
 739         echo " - no such test?"
 740         echo "/^$seq\$/d" >>$tmp.expunged
 741     else
 742         # really going to try and run this one
 743         #
 744         rm -f $seq.out.bad
 745         lasttime=$(sed -n -e "/^$seq /s/.* //p" <$TIMESTAMP_FILE)
 746         if [ "X$lasttime" != X ]; then
 747                 printf %s " ${lasttime}s ..."
 748         else
 749                 printf "        "        # prettier output with timestamps.
 750         fi
 751         rm -f core $seq.notrun
 752         rm -f $seq.casenotrun
 753
 754         start=$(_wallclock)
 755         $timestamp && printf %s "        [$(date "+%T")]"
 756
 757         if [ "$(head -n 1 "$source_iotests/$seq")" == "#!/usr/bin/env python" ]; then
 758             run_command="$PYTHON $seq"
 759         else
 760             run_command="./$seq"
 761         fi
 762         export OUTPUT_DIR=$PWD
 763         if $debug; then
 764             (cd "$source_iotests";
 765             MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(($RANDOM % 255 + 1))} \
 766                     $run_command -d 2>&1 | tee $tmp.out)
 767         else
 768             (cd "$source_iotests";
 769             MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(($RANDOM % 255 + 1))} \
 770                     $run_command >$tmp.out 2>&1)
 771         fi
 772         sts=$?
 773         $timestamp && _timestamp
 774         stop=$(_wallclock)
 775
 776         if [ -f core ]
 777         then
 778             printf " [dumped core]"
 779             mv core $seq.core
 780             err=true
 781         fi
 782
 783         if [ -f $seq.notrun ]
 784         then
 785             $timestamp || printf " [not run] "
 786             $timestamp && echo " [not run]" && printf %s "        $seq -- "
 787             cat $seq.notrun
 788             notrun="$notrun $seq"
 789         else
 790             if [ $sts -ne 0 ]
 791             then
 792                 printf %s " [failed, exit status $sts]"
 793                 err=true
 794             fi
 795
 796             reference="$source_iotests/$seq.out"
 797             reference_machine="$source_iotests/$seq.$QEMU_DEFAULT_MACHINE.out"
 798             if [ -f "$reference_machine" ]; then
 799                 reference="$reference_machine"
 800             fi
 801
 802             reference_format="$source_iotests/$seq.out.$IMGFMT"
 803             if [ -f "$reference_format" ]; then
 804                 reference="$reference_format"
 805             fi
 806
 807             if [ "$CACHEMODE" = "none" ]; then
 808                 [ -f "$source_iotests/$seq.out.nocache" ] && reference="$source_iotests/$seq.out.nocache"
 809             fi
 810
 811             if [ ! -f "$reference" ]
 812             then
 813                 echo " - no qualified output"
 814                 err=true
 815             else
 816                 if diff -w "$reference" $tmp.out >/dev/null 2>&1
 817                 then
 818                     echo ""
 819                     if $err
 820                     then
 821                         :
 822                     else
 823                         echo "$seq $(expr $stop - $start)" >>$tmp.time
 824                     fi
 825                 else
 826                     echo " - output mismatch (see $seq.out.bad)"
 827                     mv $tmp.out $seq.out.bad
 828                     $diff -w "$reference" "$PWD"/$seq.out.bad
 829                     err=true
 830                 fi
 831             fi
 832         fi
 833         if [ -f $seq.casenotrun ]
 834         then
 835             cat $seq.casenotrun
 836             casenotrun="$casenotrun $seq"
 837         fi
 838     fi
 839
 840     # come here for each test, except when $showme is true
 841     #
 842     if $err
 843     then
 844         bad="$bad $seq"
 845         n_bad=$(expr $n_bad + 1)
 846         quick=false
 847     fi
 848     [ -f $seq.notrun ] || try=$(expr $try + 1)
 849
 850     seq="after_$seq"
 851 done
 852
 853 interrupt=false
 854 status=$(expr $n_bad)
 855 exit