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 > $file.diags
  35
  36 # Check for proper termination, except that rcuperf runs don't indicate this.
  37 if test "$TORTURE_SUITE" != rcuperf
  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 '!!!' $file |
  44                 tail -1 |
  45                 awk '
  46                 {
  47                         for (i=NF-8;i<=NF;i++)
  48                                 sum+=$i;
  49                 }
  50                 END { print sum }'`
  51                 print_bug $title FAILURE, $nerrs instances
  52                 exit
  53         fi
  54
  55         grep --binary-files=text 'torture:.*ver:' $file |
  56         egrep --binary-files=text -v '\(null\)|rtc: 000000000* ' |
  57         sed -e 's/^(initramfs)[^]]*] //' -e 's/^\[[^]]*] //' |
  58         awk '
  59         BEGIN   {
  60                 ver = 0;
  61                 badseq = 0;
  62                 }
  63
  64                 {
  65                 if (!badseq && ($5 + 0 != $5 || $5 <= ver)) {
  66                         badseqno1 = ver;
  67                         badseqno2 = $5;
  68                         badseqnr = NR;
  69                         badseq = 1;
  70                 }
  71                 ver = $5
  72                 }
  73
  74         END     {
  75                 if (badseq) {
  76                         if (badseqno1 == badseqno2 && badseqno2 == ver)
  77                                 print "GP HANG at " ver " torture stat " badseqnr;
  78                         else
  79                                 print "BAD SEQ " badseqno1 ":" badseqno2 " last:" ver " version " badseqnr;
  80                 }
  81                 }' > $T.seq
  82
  83         if grep -q SUCCESS $file
  84         then
  85                 if test -s $T.seq
  86                 then
  87                         print_warning $title `cat $T.seq`
  88                         echo "   " $file
  89                         exit 2
  90                 fi
  91         else
  92                 if grep -q "_HOTPLUG:" $file
  93                 then
  94                         print_warning HOTPLUG FAILURES $title `cat $T.seq`
  95                         echo "   " $file
  96                         exit 3
  97                 fi
  98                 echo $title no success message, `grep --binary-files=text 'ver:' $file | wc -l` successful version messages
  99                 if test -s $T.seq
 100                 then
 101                         print_warning $title `cat $T.seq`
 102                 fi
 103                 exit 2
 104         fi
 105 fi | tee -a $file.diags
 106
 107 egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for' < $file |
 108 grep -v 'ODEBUG: ' |
 109 grep -v 'This means that this is a DEBUG kernel and it is' |
 110 grep -v 'Warning: unable to open an initial console' > $T.diags
 111 if test -s $T.diags
 112 then
 113         print_warning "Assertion failure in $file $title"
 114         # cat $T.diags
 115         summary=""
 116         n_badness=`grep -c Badness $file`
 117         if test "$n_badness" -ne 0
 118         then
 119                 summary="$summary  Badness: $n_badness"
 120         fi
 121         n_warn=`grep -v 'Warning: unable to open an initial console' $file | egrep -c 'WARNING:|Warn'`
 122         if test "$n_warn" -ne 0
 123         then
 124                 summary="$summary  Warnings: $n_warn"
 125         fi
 126         n_bugs=`egrep -c 'BUG|Oops:' $file`
 127         if test "$n_bugs" -ne 0
 128         then
 129                 summary="$summary  Bugs: $n_bugs"
 130         fi
 131         n_calltrace=`grep -c 'Call Trace:' $file`
 132         if test "$n_calltrace" -ne 0
 133         then
 134                 summary="$summary  Call Traces: $n_calltrace"
 135         fi
 136         n_lockdep=`grep -c =========== $file`
 137         if test "$n_badness" -ne 0
 138         then
 139                 summary="$summary  lockdep: $n_badness"
 140         fi
 141         n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file`
 142         if test "$n_stalls" -ne 0
 143         then
 144                 summary="$summary  Stalls: $n_stalls"
 145         fi
 146         n_starves=`grep -c 'rcu_.*kthread starved for' $file`
 147         if test "$n_starves" -ne 0
 148         then
 149                 summary="$summary  Starves: $n_starves"
 150         fi
 151         print_warning Summary: $summary
 152         cat $T.diags >> $file.diags
 153 fi
 154 for i in $file.*.diags
 155 do
 156         if test -f "$i"
 157         then
 158                 cat $i >> $file.diags
 159         fi
 160 done
 161 if ! test -s $file.diags
 162 then
 163         rm -f $file.diags
 164 fi