xref: /openbmc/qemu/tests/qemu-iotests/check (revision ba632924)
1#!/bin/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
22status=0
23needwrap=true
24try=0
25n_bad=0
26bad=""
27notrun=""
28interrupt=true
29
30# by default don't output timestamps
31timestamp=${TIMESTAMP:=false}
32
33_init_error()
34{
35    echo "check: $1" >&2
36    exit 1
37}
38
39if [ -L "$0" ]
40then
41    # called from the build tree
42    source_iotests=$(dirname "$(readlink "$0")")
43    if [ -z "$source_iotests" ]
44    then
45        _init_error "failed to obtain source tree name from check symlink"
46    fi
47    source_iotests=$(cd "$source_iotests"; pwd) || _init_error "failed to enter source tree"
48    build_iotests=$PWD
49else
50    # called from the source tree
51    source_iotests=$PWD
52    # this may be an in-tree build (note that in the following code we may not
53    # assume that it truly is and have to test whether the build results
54    # actually exist)
55    build_iotests=$PWD
56fi
57
58build_root="$build_iotests/../.."
59
60# we need common.env
61if ! . "$build_iotests/common.env"
62then
63    _init_error "failed to source common.env (make sure the qemu-iotests are run from tests/qemu-iotests in the build tree)"
64fi
65
66# we need common.config
67if ! . "$source_iotests/common.config"
68then
69    _init_error "failed to source common.config"
70fi
71
72_full_imgfmt_details()
73{
74    if [ -n "$IMGOPTS" ]; then
75        echo "$IMGFMT ($IMGOPTS)"
76    else
77        echo "$IMGFMT"
78    fi
79}
80
81_full_platform_details()
82{
83    os=$(uname -s)
84    host=$(hostname -s)
85    kernel=$(uname -r)
86    platform=$(uname -m)
87    echo "$os/$platform $host $kernel"
88}
89
90# $1 = prog to look for
91set_prog_path()
92{
93    p=$(command -v $1 2> /dev/null)
94    if [ -n "$p" -a -x "$p" ]; then
95        type -p "$p"
96    else
97        return 1
98    fi
99}
100
101if [ -z "$TEST_DIR" ]; then
102        TEST_DIR=$PWD/scratch
103fi
104
105if [ ! -e "$TEST_DIR" ]; then
106        mkdir "$TEST_DIR"
107fi
108
109diff="diff -u"
110verbose=false
111debug=false
112group=false
113xgroup=false
114imgopts=false
115showme=false
116sortme=false
117expunge=true
118have_test_arg=false
119cachemode=false
120
121tmp="${TEST_DIR}"/$$
122rm -f $tmp.list $tmp.tmp $tmp.sed
123
124export IMGFMT=raw
125export IMGFMT_GENERIC=true
126export IMGPROTO=file
127export IMGOPTS=""
128export CACHEMODE="writeback"
129export QEMU_IO_OPTIONS=""
130export QEMU_IO_OPTIONS_NO_FMT=""
131export CACHEMODE_IS_DEFAULT=true
132export QEMU_OPTIONS="-nodefaults -machine accel=qtest"
133export VALGRIND_QEMU=
134export IMGKEYSECRET=
135export IMGOPTSSYNTAX=false
136
137# Save current tty settings, since an aborting qemu call may leave things
138# screwed up
139STTY_RESTORE=
140if test -t 0; then
141    STTY_RESTORE=$(stty -g)
142fi
143
144for r
145do
146
147    if $group
148    then
149        # arg after -g
150        group_list=$(sed -n <"$source_iotests/group" -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
151s/ .*//p
152}')
153        if [ -z "$group_list" ]
154        then
155            echo "Group \"$r\" is empty or not defined?"
156            exit 1
157        fi
158        [ ! -s $tmp.list ] && touch $tmp.list
159        for t in $group_list
160        do
161            if grep -s "^$t\$" $tmp.list >/dev/null
162            then
163                :
164            else
165                echo "$t" >>$tmp.list
166            fi
167        done
168        group=false
169        continue
170
171    elif $xgroup
172    then
173        # arg after -x
174        # Populate $tmp.list with all tests
175        awk '/^[0-9]{3,}/ {print $1}' "${source_iotests}/group" > $tmp.list 2>/dev/null
176        group_list=$(sed -n <"$source_iotests/group" -e 's/$/ /' -e "/^[0-9][0-9][0-9].* $r /"'{
177s/ .*//p
178}')
179        if [ -z "$group_list" ]
180        then
181            echo "Group \"$r\" is empty or not defined?"
182            exit 1
183        fi
184        numsed=0
185        rm -f $tmp.sed
186        for t in $group_list
187        do
188            if [ $numsed -gt 100 ]
189            then
190                sed -f $tmp.sed <$tmp.list >$tmp.tmp
191                mv $tmp.tmp $tmp.list
192                numsed=0
193                rm -f $tmp.sed
194            fi
195            echo "/^$t\$/d" >>$tmp.sed
196            numsed=$(expr $numsed + 1)
197        done
198        sed -f $tmp.sed <$tmp.list >$tmp.tmp
199        mv $tmp.tmp $tmp.list
200        xgroup=false
201        continue
202
203    elif $imgopts
204    then
205        IMGOPTS="$r"
206        imgopts=false
207        continue
208    elif $cachemode
209    then
210        CACHEMODE="$r"
211        CACHEMODE_IS_DEFAULT=false
212        cachemode=false
213        continue
214    fi
215
216    xpand=true
217    case "$r"
218    in
219
220        -\? | -h | --help)        # usage
221            echo "Usage: $0 [options] [testlist]"'
222
223common options
224    -v                  verbose
225    -d                  debug
226
227image format options
228    -raw                test raw (default)
229    -bochs              test bochs
230    -cloop              test cloop
231    -parallels          test parallels
232    -qcow               test qcow
233    -qcow2              test qcow2
234    -qed                test qed
235    -vdi                test vdi
236    -vpc                test vpc
237    -vhdx               test vhdx
238    -vmdk               test vmdk
239    -luks               test luks
240    -dmg                test dmg
241
242image protocol options
243    -file               test file (default)
244    -rbd                test rbd
245    -sheepdog           test sheepdog
246    -nbd                test nbd
247    -ssh                test ssh
248    -nfs                test nfs
249    -vxhs               test vxhs
250
251other options
252    -xdiff              graphical mode diff
253    -nocache            use O_DIRECT on backing file
254    -misalign           misalign memory allocations
255    -n                  show me, do not run tests
256    -o options          -o options to pass to qemu-img create/convert
257    -T                  output timestamps
258    -c mode             cache mode
259
260testlist options
261    -g group[,group...]        include tests from these groups
262    -x group[,group...]        exclude tests from these groups
263    NNN                        include test NNN
264    NNN-NNN                    include test range (eg. 012-021)
265'
266            exit 0
267            ;;
268
269        -raw)
270            IMGFMT=raw
271            xpand=false
272            ;;
273
274        -bochs)
275            IMGFMT=bochs
276            IMGFMT_GENERIC=false
277            xpand=false
278            ;;
279
280        -cloop)
281            IMGFMT=cloop
282            IMGFMT_GENERIC=false
283            xpand=false
284            ;;
285
286        -parallels)
287            IMGFMT=parallels
288            xpand=false
289            ;;
290
291        -qcow)
292            IMGFMT=qcow
293            xpand=false
294            ;;
295
296        -qcow2)
297            IMGFMT=qcow2
298            xpand=false
299            ;;
300
301        -luks)
302            IMGOPTSSYNTAX=true
303            IMGFMT=luks
304            IMGKEYSECRET=123456
305            xpand=false
306            ;;
307
308        -dmg)
309            IMGFMT=dmg
310            IMGFMT_GENERIC=false
311            xpand=false
312            ;;
313
314        -qed)
315            IMGFMT=qed
316            xpand=false
317            ;;
318
319        -vdi)
320            IMGFMT=vdi
321            xpand=false
322            ;;
323
324        -vmdk)
325            IMGFMT=vmdk
326            xpand=false
327            ;;
328
329        -vpc)
330            IMGFMT=vpc
331            xpand=false
332            ;;
333
334        -vhdx)
335            IMGFMT=vhdx
336            xpand=false
337            ;;
338
339        -file)
340            IMGPROTO=file
341            xpand=false
342            ;;
343
344        -rbd)
345            IMGPROTO=rbd
346            xpand=false
347            ;;
348
349        -sheepdog)
350            IMGPROTO=sheepdog
351            xpand=false
352            ;;
353
354        -nbd)
355            IMGPROTO=nbd
356            xpand=false
357            ;;
358
359        -vxhs)
360            IMGPROTO=vxhs
361            xpand=false
362            ;;
363
364        -ssh)
365            IMGPROTO=ssh
366            xpand=false
367            ;;
368
369        -nfs)
370            IMGPROTO=nfs
371            xpand=false
372            ;;
373
374        -nocache)
375            CACHEMODE="none"
376            CACHEMODE_IS_DEFAULT=false
377            xpand=false
378            ;;
379
380        -misalign)
381            QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --misalign"
382            xpand=false
383            ;;
384
385        -valgrind)
386            VALGRIND_QEMU='y'
387            xpand=false
388            ;;
389
390        -g)        # -g group ... pick from group file
391            group=true
392            xpand=false
393            ;;
394
395        -xdiff)        # graphical diff mode
396            xpand=false
397
398            if [ ! -z "$DISPLAY" ]
399            then
400                command -v xdiff >/dev/null 2>&1 && diff=xdiff
401                command -v gdiff >/dev/null 2>&1 && diff=gdiff
402                command -v tkdiff >/dev/null 2>&1 && diff=tkdiff
403                command -v xxdiff >/dev/null 2>&1 && diff=xxdiff
404            fi
405            ;;
406
407        -n)        # show me, don't do it
408            showme=true
409            xpand=false
410            ;;
411        -o)
412            imgopts=true
413            xpand=false
414            ;;
415        -c)
416            cachemode=true
417            xpand=false
418            ;;
419        -T)        # turn on timestamp output
420            timestamp=true
421            xpand=false
422            ;;
423
424        -v)
425            verbose=true
426            xpand=false
427            ;;
428        -d)
429            debug=true
430            xpand=false
431            ;;
432        -x)        # -x group ... exclude from group file
433            xgroup=true
434            xpand=false
435            ;;
436        '[0-9][0-9][0-9] [0-9][0-9][0-9][0-9]')
437            echo "No tests?"
438            status=1
439            exit $status
440            ;;
441
442        [0-9]*-[0-9]*)
443            eval $(echo $r | sed -e 's/^/start=/' -e 's/-/ end=/')
444            ;;
445
446        [0-9]*-)
447            eval $(echo $r | sed -e 's/^/start=/' -e 's/-//')
448            end=$(echo [0-9][0-9][0-9] [0-9][0-9][0-9][0-9] | sed -e 's/\[0-9]//g' -e 's/  *$//' -e 's/.* //')
449            if [ -z "$end" ]
450            then
451                echo "No tests in range \"$r\"?"
452                status=1
453                exit $status
454            fi
455            ;;
456
457        *)
458            start=$r
459            end=$r
460            ;;
461
462    esac
463
464    # get rid of leading 0s as can be interpreted as octal
465    start=$(echo $start | sed 's/^0*//')
466    end=$(echo $end | sed 's/^0*//')
467
468    if $xpand
469    then
470        have_test_arg=true
471        awk </dev/null '
472BEGIN        { for (t='$start'; t<='$end'; t++) printf "%03d\n",t }' \
473        | while read id
474        do
475            if grep -s "^$id " "$source_iotests/group" >/dev/null
476            then
477                # in group file ... OK
478                echo $id >>$tmp.list
479            else
480                if [ -f expunged ] && $expunge && egrep "^$id([         ]|\$)" expunged >/dev/null
481                then
482                    # expunged ... will be reported, but not run, later
483                    echo $id >>$tmp.list
484                else
485                    # oops
486                    if [ "$start" == "$end" -a "$id" == "$end" ]
487                    then
488                        echo "$id - unknown test"
489                        exit 1
490                    else
491                        echo "$id - unknown test, ignored"
492                    fi
493                fi
494            fi
495        done || exit 1
496    fi
497
498done
499
500# Set qemu-io cache mode with $CACHEMODE we have
501QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --cache $CACHEMODE"
502
503QEMU_IO_OPTIONS_NO_FMT="$QEMU_IO_OPTIONS"
504if [ "$IMGOPTSSYNTAX" != "true" ]; then
505    QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS -f $IMGFMT"
506fi
507
508# Set default options for qemu-img create -o if they were not specified
509if [ "$IMGFMT" == "qcow2" ] && ! (echo "$IMGOPTS" | grep "compat=" > /dev/null); then
510    IMGOPTS=$(_optstr_add "$IMGOPTS" "compat=1.1")
511fi
512if [ "$IMGFMT" == "luks" ] && ! (echo "$IMGOPTS" | grep "iter-time=" > /dev/null); then
513    IMGOPTS=$(_optstr_add "$IMGOPTS" "iter-time=10")
514fi
515
516if [ -z "$SAMPLE_IMG_DIR" ]; then
517        SAMPLE_IMG_DIR="$source_iotests/sample_images"
518fi
519
520export TEST_DIR
521export SAMPLE_IMG_DIR
522
523if [ -s $tmp.list ]
524then
525    # found some valid test numbers ... this is good
526    :
527else
528    if $have_test_arg
529    then
530        # had test numbers, but none in group file ... do nothing
531        touch $tmp.list
532    else
533        # no test numbers, do everything from group file
534        sed -n -e '/^[0-9][0-9][0-9]*/s/[         ].*//p' <"$source_iotests/group" >$tmp.list
535    fi
536fi
537
538# should be sort -n, but this did not work for Linux when this
539# was ported from IRIX
540#
541list=$(sort $tmp.list)
542rm -f $tmp.list $tmp.tmp $tmp.sed
543
544if [ -z "$QEMU_PROG" ]
545then
546    if [ -x "$build_iotests/qemu" ]; then
547        export QEMU_PROG="$build_iotests/qemu"
548    elif [ -x "$build_root/${qemu_arch}-softmmu/qemu-system-${qemu_arch}" ]; then
549        export QEMU_PROG="$build_root/${qemu_arch}-softmmu/qemu-system-${qemu_arch}"
550    else
551        pushd "$build_root" > /dev/null
552        for binary in *-softmmu/qemu-system-*
553        do
554            if [ -x "$binary" ]
555            then
556                export QEMU_PROG="$build_root/$binary"
557                break
558            fi
559        done
560        popd > /dev/null
561        [ "$QEMU_PROG" = "" ] && _init_error "qemu not found"
562    fi
563fi
564export QEMU_PROG="$(type -p "$QEMU_PROG")"
565
566if [ -z "$QEMU_IMG_PROG" ]; then
567    if [ -x "$build_iotests/qemu-img" ]; then
568        export QEMU_IMG_PROG="$build_iotests/qemu-img"
569    elif [ -x "$build_root/qemu-img" ]; then
570        export QEMU_IMG_PROG="$build_root/qemu-img"
571    else
572        _init_error "qemu-img not found"
573    fi
574fi
575export QEMU_IMG_PROG="$(type -p "$QEMU_IMG_PROG")"
576
577if [ -z "$QEMU_IO_PROG" ]; then
578    if [ -x "$build_iotests/qemu-io" ]; then
579        export QEMU_IO_PROG="$build_iotests/qemu-io"
580    elif [ -x "$build_root/qemu-io" ]; then
581        export QEMU_IO_PROG="$build_root/qemu-io"
582    else
583        _init_error "qemu-io not found"
584    fi
585fi
586export QEMU_IO_PROG="$(type -p "$QEMU_IO_PROG")"
587
588if [ -z $QEMU_NBD_PROG ]; then
589    if [ -x "$build_iotests/qemu-nbd" ]; then
590        export QEMU_NBD_PROG="$build_iotests/qemu-nbd"
591    elif [ -x "$build_root/qemu-nbd" ]; then
592        export QEMU_NBD_PROG="$build_root/qemu-nbd"
593    else
594        _init_error "qemu-nbd not found"
595    fi
596fi
597export QEMU_NBD_PROG="$(type -p "$QEMU_NBD_PROG")"
598
599if [ -z "$QEMU_VXHS_PROG" ]; then
600    export QEMU_VXHS_PROG="$(set_prog_path qnio_server)"
601fi
602
603if [ -x "$build_iotests/socket_scm_helper" ]
604then
605    export SOCKET_SCM_HELPER="$build_iotests/socket_scm_helper"
606fi
607
608default_machine=$($QEMU_PROG -machine help | sed -n '/(default)/ s/ .*//p')
609default_alias_machine=$($QEMU_PROG -machine help | \
610   sed -n "/(alias of $default_machine)/ { s/ .*//p; q; }")
611if [[ "$default_alias_machine" ]]; then
612    default_machine="$default_alias_machine"
613fi
614
615export QEMU_DEFAULT_MACHINE="$default_machine"
616
617TIMESTAMP_FILE=check.time-$IMGPROTO-$IMGFMT
618
619_wallclock()
620{
621    date "+%H %M %S" | awk '{ print $1*3600 + $2*60 + $3 }'
622}
623
624_timestamp()
625{
626    now=$(date "+%T")
627    printf %s " [$now]"
628}
629
630_wrapup()
631{
632    if $showme
633    then
634        :
635    elif $needwrap
636    then
637        if [ -f $TIMESTAMP_FILE -a -f $tmp.time ]
638        then
639            cat $TIMESTAMP_FILE $tmp.time \
640            | awk '
641        { t[$1] = $2 }
642END        { if (NR > 0) {
643            for (i in t) print i " " t[i]
644          }
645        }' \
646            | sort -n >$tmp.out
647            mv $tmp.out $TIMESTAMP_FILE
648        fi
649
650        if [ -f $tmp.expunged ]
651        then
652            notrun=$(wc -l <$tmp.expunged | sed -e 's/  *//g')
653            try=$(expr $try - $notrun)
654            list=$(echo "$list" | sed -f $tmp.expunged)
655        fi
656
657        echo "" >>check.log
658        date >>check.log
659        echo $list | fmt | sed -e 's/^/    /' >>check.log
660        $interrupt && echo "Interrupted!" >>check.log
661
662        if [ ! -z "$notrun" ]
663        then
664            echo "Not run:$notrun"
665            echo "Not run:$notrun" >>check.log
666        fi
667        if [ ! -z "$n_bad" -a $n_bad != 0 ]
668        then
669            echo "Failures:$bad"
670            echo "Failed $n_bad of $try tests"
671            echo "Failures:$bad" | fmt >>check.log
672            echo "Failed $n_bad of $try tests" >>check.log
673        else
674            echo "Passed all $try tests"
675            echo "Passed all $try tests" >>check.log
676        fi
677        needwrap=false
678    fi
679
680    if test -n "$STTY_RESTORE"; then
681        stty $STTY_RESTORE
682    fi
683    rm -f "${TEST_DIR}"/*.out "${TEST_DIR}"/*.err "${TEST_DIR}"/*.time
684    rm -f "${TEST_DIR}"/check.pid "${TEST_DIR}"/check.sts
685    rm -f $tmp.*
686}
687
688trap "_wrapup; exit \$status" 0 1 2 3 15
689
690[ -f $TIMESTAMP_FILE ] || touch $TIMESTAMP_FILE
691
692FULL_IMGFMT_DETAILS=$(_full_imgfmt_details)
693FULL_HOST_DETAILS=$(_full_platform_details)
694
695cat <<EOF
696QEMU          -- "$QEMU_PROG" $QEMU_OPTIONS
697QEMU_IMG      -- "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS
698QEMU_IO       -- "$QEMU_IO_PROG" $QEMU_IO_OPTIONS
699QEMU_NBD      -- "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS
700IMGFMT        -- $FULL_IMGFMT_DETAILS
701IMGPROTO      -- $IMGPROTO
702PLATFORM      -- $FULL_HOST_DETAILS
703TEST_DIR      -- $TEST_DIR
704SOCKET_SCM_HELPER -- $SOCKET_SCM_HELPER
705
706EOF
707
708seq="check"
709
710[ -n "$TESTS_REMAINING_LOG" ] && echo $list > $TESTS_REMAINING_LOG
711
712for seq in $list
713do
714    err=false
715    printf %s "$seq"
716    if [ -n "$TESTS_REMAINING_LOG" ] ; then
717        sed -e "s/$seq//" -e 's/  / /' -e 's/^ *//' $TESTS_REMAINING_LOG > $TESTS_REMAINING_LOG.tmp
718        mv $TESTS_REMAINING_LOG.tmp $TESTS_REMAINING_LOG
719        sync
720    fi
721
722    if $showme
723    then
724        echo
725        continue
726    elif [ -f expunged ] && $expunge && egrep "^$seq([         ]|\$)" expunged >/dev/null
727    then
728        echo " - expunged"
729        rm -f $seq.out.bad
730        echo "/^$seq\$/d" >>$tmp.expunged
731    elif [ ! -f "$source_iotests/$seq" ]
732    then
733        echo " - no such test?"
734        echo "/^$seq\$/d" >>$tmp.expunged
735    else
736        # really going to try and run this one
737        #
738        rm -f $seq.out.bad
739        lasttime=$(sed -n -e "/^$seq /s/.* //p" <$TIMESTAMP_FILE)
740        if [ "X$lasttime" != X ]; then
741                printf %s " ${lasttime}s ..."
742        else
743                printf "        "        # prettier output with timestamps.
744        fi
745        rm -f core $seq.notrun
746
747        start=$(_wallclock)
748        $timestamp && printf %s "        [$(date "+%T")]"
749
750        if [ "$(head -n 1 "$source_iotests/$seq")" == "#!/usr/bin/env python" ]; then
751            run_command="$PYTHON $seq"
752        else
753            run_command="./$seq"
754        fi
755        export OUTPUT_DIR=$PWD
756        if $debug; then
757            (cd "$source_iotests";
758            MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(($RANDOM % 255 + 1))} \
759                    $run_command -d 2>&1 | tee $tmp.out)
760        else
761            (cd "$source_iotests";
762            MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(($RANDOM % 255 + 1))} \
763                    $run_command >$tmp.out 2>&1)
764        fi
765        sts=$?
766        $timestamp && _timestamp
767        stop=$(_wallclock)
768
769        if [ -f core ]
770        then
771            printf " [dumped core]"
772            mv core $seq.core
773            err=true
774        fi
775
776        if [ -f $seq.notrun ]
777        then
778            $timestamp || printf " [not run] "
779            $timestamp && echo " [not run]" && printf %s "        $seq -- "
780            cat $seq.notrun
781            notrun="$notrun $seq"
782        else
783            if [ $sts -ne 0 ]
784            then
785                printf %s " [failed, exit status $sts]"
786                err=true
787            fi
788
789            reference="$source_iotests/$seq.out"
790            reference_machine="$source_iotests/$seq.$QEMU_DEFAULT_MACHINE.out"
791            if [ -f "$reference_machine" ]; then
792                reference="$reference_machine"
793            fi
794
795            reference_format="$source_iotests/$seq.out.$IMGFMT"
796            if [ -f "$reference_format" ]; then
797                reference="$reference_format"
798            fi
799
800            if [ "$CACHEMODE" = "none" ]; then
801                [ -f "$source_iotests/$seq.out.nocache" ] && reference="$source_iotests/$seq.out.nocache"
802            fi
803
804            if [ ! -f "$reference" ]
805            then
806                echo " - no qualified output"
807                err=true
808            else
809                if diff -w "$reference" $tmp.out >/dev/null 2>&1
810                then
811                    echo ""
812                    if $err
813                    then
814                        :
815                    else
816                        echo "$seq $(expr $stop - $start)" >>$tmp.time
817                    fi
818                else
819                    echo " - output mismatch (see $seq.out.bad)"
820                    mv $tmp.out $seq.out.bad
821                    $diff -w "$reference" "$PWD"/$seq.out.bad
822                    err=true
823                fi
824            fi
825        fi
826
827    fi
828
829    # come here for each test, except when $showme is true
830    #
831    if $err
832    then
833        bad="$bad $seq"
834        n_bad=$(expr $n_bad + 1)
835        quick=false
836    fi
837    [ -f $seq.notrun ] || try=$(expr $try + 1)
838
839    seq="after_$seq"
840done
841
842interrupt=false
843status=$(expr $n_bad)
844exit
845