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 > $file.diags
35
36# Check for proper termination, except that rcuperf runs don't indicate this.
37if test "$TORTURE_SUITE" != rcuperf
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 '!!!' $file |
44		tail -1 |
45		awk '
46		{
47			for (i=NF-8;i<=NF;i++)
48				sum+=$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
105fi | tee -a $file.diags
106
107egrep '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 |
108grep -v 'ODEBUG: ' |
109grep -v 'This means that this is a DEBUG kernel and it is' |
110grep -v 'Warning: unable to open an initial console' > $T.diags
111if test -s $T.diags
112then
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
153fi
154for i in $file.*.diags
155do
156	if test -f "$i"
157	then
158		cat $i >> $file.diags
159	fi
160done
161if ! test -s $file.diags
162then
163	rm -f $file.diags
164fi
165