tools/testing/selftests/rcutorture/bin/parse-console.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0+
   3 #
   4 # Check the console output from an rcutorture run for oopses.
   5 # The "file" is a pathname on the local system, and "title" is
   6 # a text string for error-message purposes.
   7 #
   8 # Usage: parse-console.sh file title
   9 #
  10 # Copyright (C) IBM Corporation, 2011
  11 #
  12 # Authors: Paul E. McKenney <paulmck@linux.ibm.com>
  13
  14 T=${TMPDIR-/tmp}/parse-console.sh.$$
  15 file="$1"
  16 title="$2"
  17
  18 trap 'rm -f $T.seq $T.diags' 0
  19
  20 . functions.sh
  21
  22 # Check for presence and readability of console output file
  23 if test -f "$file" -a -r "$file"
  24 then
  25         :
  26 else
  27         echo $title unreadable console output file: $file
  28         exit 1
  29 fi
  30 if grep -Pq '\x00' < $file
  31 then
  32         print_warning Console output contains nul bytes, old qemu still running?
  33 fi
  34 cat /dev/null > $file.diags
  35
  36 # Check for proper termination, except for rcuscale and refscale.
  37 if test "$TORTURE_SUITE" != rcuscale && test "$TORTURE_SUITE" != refscale
  38 then
  39         # check for abject failure
  40
  41         if grep -q FAILURE $file || grep -q -e '-torture.*!!!' $file
  42         then
  43                 nerrs=`grep --binary-files=text '!!!' $file |
  44                 tail -1 |
  45                 awk '
  46                 {
  47                         normalexit = 1;
  48                         for (i=NF-8;i<=NF;i++) {
  49                                 if (i <= 0 || i !~ /^[0-9]*$/) {
  50                                         bangstring = $0;
  51                                         gsub(/^\[[^]]*] /, "", bangstring);
  52                                         print bangstring;
  53                                         normalexit = 0;
  54                                         exit 0;
  55                                 }
  56                                 sum+=$i;
  57                         }
  58                 }
  59                 END {
  60                         if (normalexit)
  61                                 print sum " instances"
  62                 }'`
  63                 print_bug $title FAILURE, $nerrs
  64                 exit
  65         fi
  66
  67         grep --binary-files=text 'torture:.*ver:' $file |
  68         egrep --binary-files=text -v '\(null\)|rtc: 000000000* ' |
  69         sed -e 's/^(initramfs)[^]]*] //' -e 's/^\[[^]]*] //' |
  70         sed -e 's/^.*ver: //' |
  71         awk '
  72         BEGIN   {
  73                 ver = 0;
  74                 badseq = 0;
  75                 }
  76
  77                 {
  78                 if (!badseq && ($1 + 0 != $1 || $1 <= ver)) {
  79                         badseqno1 = ver;
  80                         badseqno2 = $1;
  81                         badseqnr = NR;
  82                         badseq = 1;
  83                 }
  84                 ver = $1
  85                 }
  86
  87         END     {
  88                 if (badseq) {
  89                         if (badseqno1 == badseqno2 && badseqno2 == ver)
  90                                 print "GP HANG at " ver " torture stat " badseqnr;
  91                         else
  92                                 print "BAD SEQ " badseqno1 ":" badseqno2 " last:" ver " version " badseqnr;
  93                 }
  94                 }' > $T.seq
  95
  96         if grep -q SUCCESS $file
  97         then
  98                 if test -s $T.seq
  99                 then
 100                         print_warning $title `cat $T.seq`
 101                         echo "   " $file
 102                         exit 2
 103                 fi
 104         else
 105                 if grep -q "_HOTPLUG:" $file
 106                 then
 107                         print_warning HOTPLUG FAILURES $title `cat $T.seq`
 108                         echo "   " $file
 109                         exit 3
 110                 fi
 111                 echo $title no success message, `grep --binary-files=text 'ver:' $file | wc -l` successful version messages
 112                 if test -s $T.seq
 113                 then
 114                         print_warning $title `cat $T.seq`
 115                 fi
 116                 exit 2
 117         fi
 118 fi | tee -a $file.diags
 119
 120 console-badness.sh < $file > $T.diags
 121 if test -s $T.diags
 122 then
 123         print_warning "Assertion failure in $file $title"
 124         # cat $T.diags
 125         summary=""
 126         n_badness=`grep -c Badness $file`
 127         if test "$n_badness" -ne 0
 128         then
 129                 summary="$summary  Badness: $n_badness"
 130         fi
 131         n_warn=`grep -v 'Warning: unable to open an initial console' $file | grep -v 'Warning: Failed to add ttynull console. No stdin, stdout, and stderr for the init process' | egrep -c 'WARNING:|Warn'`
 132         if test "$n_warn" -ne 0
 133         then
 134                 summary="$summary  Warnings: $n_warn"
 135         fi
 136         n_bugs=`egrep -c '\bBUG|Oops:' $file`
 137         if test "$n_bugs" -ne 0
 138         then
 139                 summary="$summary  Bugs: $n_bugs"
 140         fi
 141         n_calltrace=`grep -c 'Call Trace:' $file`
 142         if test "$n_calltrace" -ne 0
 143         then
 144                 summary="$summary  Call Traces: $n_calltrace"
 145         fi
 146         n_lockdep=`grep -c =========== $file`
 147         if test "$n_badness" -ne 0
 148         then
 149                 summary="$summary  lockdep: $n_badness"
 150         fi
 151         n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file`
 152         if test "$n_stalls" -ne 0
 153         then
 154                 summary="$summary  Stalls: $n_stalls"
 155         fi
 156         n_starves=`grep -c 'rcu_.*kthread starved for' $file`
 157         if test "$n_starves" -ne 0
 158         then
 159                 summary="$summary  Starves: $n_starves"
 160         fi
 161         print_warning Summary: $summary
 162         cat $T.diags >> $file.diags
 163 fi
 164 for i in $file.*.diags
 165 do
 166         if test -f "$i"
 167         then
 168                 cat $i >> $file.diags
 169         fi
 170 done
 171 if ! test -s $file.diags
 172 then
 173         rm -f $file.diags
 174 fi