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 14T="`mktemp -d ${TMPDIR-/tmp}/parse-console.sh.XXXXXX`" 15file="$1" 16title="$2" 17 18trap 'rm -f $T.seq $T.diags' 0 19 20. functions.sh 21 22# Check for presence and readability of console output file 23if test -f "$file" -a -r "$file" 24then 25 : 26else 27 echo $title unreadable console output file: $file 28 exit 1 29fi 30if grep -Pq '\x00' < $file 31then 32 print_warning Console output contains nul bytes, old qemu still running? 33fi 34cat /dev/null > $file.diags 35 36# Check for proper termination, except for rcuscale and refscale. 37if test "$TORTURE_SUITE" != rcuscale && test "$TORTURE_SUITE" != refscale 38then 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 grep -E --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 fi 117fi | tee -a $file.diags 118 119console-badness.sh < $file > $T.diags 120if test -s $T.diags 121then 122 print_warning "Assertion failure in $file $title" 123 # cat $T.diags 124 summary="" 125 n_badness=`grep -c Badness $file` 126 if test "$n_badness" -ne 0 127 then 128 summary="$summary Badness: $n_badness" 129 fi 130 n_warn=`grep -v 'Warning: unable to open an initial console' $file | grep -v 'Warning: Failed to add ttynull console. No stdin, stdout, and stderr for the init process' | grep -E -c 'WARNING:|Warn'` 131 if test "$n_warn" -ne 0 132 then 133 summary="$summary Warnings: $n_warn" 134 fi 135 n_bugs=`grep -E -c '\bBUG|Oops:' $file` 136 if test "$n_bugs" -ne 0 137 then 138 summary="$summary Bugs: $n_bugs" 139 fi 140 n_kcsan=`grep -E -c 'BUG: KCSAN: ' $file` 141 if test "$n_kcsan" -ne 0 142 then 143 if test "$n_bugs" = "$n_kcsan" 144 then 145 summary="$summary (all bugs kcsan)" 146 else 147 summary="$summary KCSAN: $n_kcsan" 148 fi 149 fi 150 n_calltrace=`grep -Ec 'Call Trace:|Call trace:' $file` 151 if test "$n_calltrace" -ne 0 152 then 153 summary="$summary Call Traces: $n_calltrace" 154 fi 155 n_lockdep=`grep -c =========== $file` 156 if test "$n_badness" -ne 0 157 then 158 summary="$summary lockdep: $n_badness" 159 fi 160 n_stalls=`grep -E -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file` 161 if test "$n_stalls" -ne 0 162 then 163 summary="$summary Stalls: $n_stalls" 164 fi 165 n_starves=`grep -c 'rcu_.*kthread starved for' $file` 166 if test "$n_starves" -ne 0 167 then 168 summary="$summary Starves: $n_starves" 169 fi 170 print_warning Summary: $summary 171 cat $T.diags >> $file.diags 172fi 173for i in $file.*.diags 174do 175 if test -f "$i" 176 then 177 cat $i >> $file.diags 178 fi 179done 180if ! test -s $file.diags 181then 182 rm -f $file.diags 183fi 184 185# Call extract_ftrace_from_console function, if the output is empty, 186# don't create $file.ftrace. Otherwise output the results to $file.ftrace 187extract_ftrace_from_console $file > $file.ftrace 188if [ ! -s $file.ftrace ]; then 189 rm -f $file.ftrace 190fi 191