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#!/bin/bash
#
# Check the console output from an rcutorture run for oopses.
# The "file" is a pathname on the local system, and "title" is
# a text string for error-message purposes.
#
# Usage: parse-console.sh file title
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, you can access it online at
# http://www.gnu.org/licenses/gpl-2.0.html.
#
# Copyright (C) IBM Corporation, 2011
#
# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
T=${TMPDIR-/tmp}/parse-console.sh.$$
file="$1"
title="$2"
trap 'rm -f $T.seq $T.diags' 0
. functions.sh
# Check for presence and readability of console output file
if test -f "$file" -a -r "$file"
then
:
else
echo $title unreadable console output file: $file
exit 1
fi
if grep -Pq '\x00' < $file
then
print_warning Console output contains nul bytes, old qemu still running?
fi
cat /dev/null > $file.diags
# Check for proper termination, except that rcuperf runs don't indicate this.
if test "$TORTURE_SUITE" != rcuperf
then
# check for abject failure
if grep -q FAILURE $file || grep -q -e '-torture.*!!!' $file
then
nerrs=`grep --binary-files=text '!!!' $file |
tail -1 |
awk '
{
for (i=NF-8;i<=NF;i++)
sum+=$i;
}
END { print sum }'`
print_bug $title FAILURE, $nerrs instances
exit
fi
grep --binary-files=text 'torture:.*ver:' $file |
egrep --binary-files=text -v '\(null\)|rtc: 000000000* ' |
sed -e 's/^(initramfs)[^]]*] //' -e 's/^\[[^]]*] //' |
awk '
BEGIN {
ver = 0;
badseq = 0;
}
{
if (!badseq && ($5 + 0 != $5 || $5 <= ver)) {
badseqno1 = ver;
badseqno2 = $5;
badseqnr = NR;
badseq = 1;
}
ver = $5
}
END {
if (badseq) {
if (badseqno1 == badseqno2 && badseqno2 == ver)
print "GP HANG at " ver " torture stat " badseqnr;
else
print "BAD SEQ " badseqno1 ":" badseqno2 " last:" ver " version " badseqnr;
}
}' > $T.seq
if grep -q SUCCESS $file
then
if test -s $T.seq
then
print_warning $title `cat $T.seq`
echo " " $file
exit 2
fi
else
if grep -q "_HOTPLUG:" $file
then
print_warning HOTPLUG FAILURES $title `cat $T.seq`
echo " " $file
exit 3
fi
echo $title no success message, `grep --binary-files=text 'ver:' $file | wc -l` successful version messages
if test -s $T.seq
then
print_warning $title `cat $T.seq`
fi
exit 2
fi
fi | tee -a $file.diags
egrep '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 |
grep -v 'ODEBUG: ' |
grep -v 'Warning: unable to open an initial console' > $T.diags
if test -s $T.diags
then
print_warning "Assertion failure in $file $title"
# cat $T.diags
summary=""
n_badness=`grep -c Badness $file`
if test "$n_badness" -ne 0
then
summary="$summary Badness: $n_badness"
fi
n_warn=`grep -v 'Warning: unable to open an initial console' $file | egrep -c 'WARNING:|Warn'`
if test "$n_warn" -ne 0
then
summary="$summary Warnings: $n_warn"
fi
n_bugs=`egrep -c 'BUG|Oops:' $file`
if test "$n_bugs" -ne 0
then
summary="$summary Bugs: $n_bugs"
fi
n_calltrace=`grep -c 'Call Trace:' $file`
if test "$n_calltrace" -ne 0
then
summary="$summary Call Traces: $n_calltrace"
fi
n_lockdep=`grep -c =========== $file`
if test "$n_badness" -ne 0
then
summary="$summary lockdep: $n_badness"
fi
n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file`
if test "$n_stalls" -ne 0
then
summary="$summary Stalls: $n_stalls"
fi
n_starves=`grep -c 'rcu_.*kthread starved for' $file`
if test "$n_starves" -ne 0
then
summary="$summary Starves: $n_starves"
fi
print_warning Summary: $summary
cat $T.diags >> $file.diags
fi
if ! test -s $file.diags
then
rm -f $file.diags
fi
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