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
 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		exit 2
117	fi
118fi | tee -a $file.diags
119
120console-badness.sh < $file > $T.diags
121if test -s $T.diags
122then
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 -Ec 'Call Trace:|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
173fi
174for i in $file.*.diags
175do
176	if test -f "$i"
177	then
178		cat $i >> $file.diags
179	fi
180done
181if ! test -s $file.diags
182then
183	rm -f $file.diags
184fi
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
188extract_ftrace_from_console $file > $file.ftrace
189if [ ! -s $file.ftrace ]; then
190	rm -f $file.ftrace
191fi