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=${TMPDIR-/tmp}/parse-console.sh.$$
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 > $file.diags
35
36# Check for proper termination, except for rcuperf and refscale.
37if test "$TORTURE_SUITE" != rcuperf && 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	egrep --binary-files=text -v '\(null\)|rtc: 000000000* ' |
69	sed -e 's/^(initramfs)[^]]*] //' -e 's/^\[[^]]*] //' |
70	awk '
71	BEGIN	{
72		ver = 0;
73		badseq = 0;
74		}
75
76		{
77		if (!badseq && ($5 + 0 != $5 || $5 <= ver)) {
78			badseqno1 = ver;
79			badseqno2 = $5;
80			badseqnr = NR;
81			badseq = 1;
82		}
83		ver = $5
84		}
85
86	END	{
87		if (badseq) {
88			if (badseqno1 == badseqno2 && badseqno2 == ver)
89				print "GP HANG at " ver " torture stat " badseqnr;
90			else
91				print "BAD SEQ " badseqno1 ":" badseqno2 " last:" ver " version " badseqnr;
92		}
93		}' > $T.seq
94
95	if grep -q SUCCESS $file
96	then
97		if test -s $T.seq
98		then
99			print_warning $title `cat $T.seq`
100			echo "   " $file
101			exit 2
102		fi
103	else
104		if grep -q "_HOTPLUG:" $file
105		then
106			print_warning HOTPLUG FAILURES $title `cat $T.seq`
107			echo "   " $file
108			exit 3
109		fi
110		echo $title no success message, `grep --binary-files=text 'ver:' $file | wc -l` successful version messages
111		if test -s $T.seq
112		then
113			print_warning $title `cat $T.seq`
114		fi
115		exit 2
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' $file | egrep -c 'WARNING:|Warn'`
131	if test "$n_warn" -ne 0
132	then
133		summary="$summary  Warnings: $n_warn"
134	fi
135	n_bugs=`egrep -c 'BUG|Oops:' $file`
136	if test "$n_bugs" -ne 0
137	then
138		summary="$summary  Bugs: $n_bugs"
139	fi
140	n_calltrace=`grep -c 'Call Trace:' $file`
141	if test "$n_calltrace" -ne 0
142	then
143		summary="$summary  Call Traces: $n_calltrace"
144	fi
145	n_lockdep=`grep -c =========== $file`
146	if test "$n_badness" -ne 0
147	then
148		summary="$summary  lockdep: $n_badness"
149	fi
150	n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file`
151	if test "$n_stalls" -ne 0
152	then
153		summary="$summary  Stalls: $n_stalls"
154	fi
155	n_starves=`grep -c 'rcu_.*kthread starved for' $file`
156	if test "$n_starves" -ne 0
157	then
158		summary="$summary  Starves: $n_starves"
159	fi
160	print_warning Summary: $summary
161	cat $T.diags >> $file.diags
162fi
163for i in $file.*.diags
164do
165	if test -f "$i"
166	then
167		cat $i >> $file.diags
168	fi
169done
170if ! test -s $file.diags
171then
172	rm -f $file.diags
173fi
174