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="`mktemp -d ${TMPDIR-/tmp}/parse-console.sh.XXXXXX`"
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 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 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' $file | grep -v 'Warning: Failed to add ttynull console. No stdin, stdout, and stderr for the init process' | grep -E -c 'WARNING:|Warn'`
132 if test "$n_warn" -ne 0
133 then
134 summary="$summary Warnings: $n_warn"
135 fi
136 n_bugs=`grep -E -c '\bBUG|Oops:' $file`
137 if test "$n_bugs" -ne 0
138 then
139 summary="$summary Bugs: $n_bugs"
140 fi
141 n_kcsan=`grep -E -c 'BUG: KCSAN: ' $file`
142 if test "$n_kcsan" -ne 0
143 then
144 if test "$n_bugs" = "$n_kcsan"
145 then
146 summary="$summary (all bugs kcsan)"
147 else
148 summary="$summary KCSAN: $n_kcsan"
149 fi
150 fi
151 n_calltrace=`grep -c 'Call Trace:' $file`
152 if test "$n_calltrace" -ne 0
153 then
154 summary="$summary Call Traces: $n_calltrace"
155 fi
156 n_lockdep=`grep -c =========== $file`
157 if test "$n_badness" -ne 0
158 then
159 summary="$summary lockdep: $n_badness"
160 fi
161 n_stalls=`grep -E -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file`
162 if test "$n_stalls" -ne 0
163 then
164 summary="$summary Stalls: $n_stalls"
165 fi
166 n_starves=`grep -c 'rcu_.*kthread starved for' $file`
167 if test "$n_starves" -ne 0
168 then
169 summary="$summary Starves: $n_starves"
170 fi
171 print_warning Summary: $summary
172 cat $T.diags >> $file.diags
173 fi
174 for i in $file.*.diags
175 do
176 if test -f "$i"
177 then
178 cat $i >> $file.diags
179 fi
180 done
181 if ! test -s $file.diags
182 then
183 rm -f $file.diags
184 fi
185
186 # Call extract_ftrace_from_console function, if the output is empty,
187 # don't create $file.ftrace. Otherwise output the results to $file.ftrace
188 extract_ftrace_from_console $file > $file.ftrace
189 if [ ! -s $file.ftrace ]; then
190 rm -f $file.ftrace
191 fi
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