1#!/bin/bash
2#
3# Check the console output from an rcutorture run for oopses.
4# The "file" is a pathname on the local system, and "title" is
5# a text string for error-message purposes.
6#
7# Usage: parse-console.sh file title
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, you can access it online at
21# http://www.gnu.org/licenses/gpl-2.0.html.
22#
23# Copyright (C) IBM Corporation, 2011
24#
25# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
26
27file="$1"
28title="$2"
29
30. functions.sh
31
32if grep -Pq '\x00' < $file
33then
34	print_warning Console output contains nul bytes, old qemu still running?
35fi
36egrep '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' > $1.diags
37if test -s $1.diags
38then
39	print_warning Assertion failure in $file $title
40	# cat $1.diags
41	summary=""
42	n_badness=`grep -c Badness $1`
43	if test "$n_badness" -ne 0
44	then
45		summary="$summary  Badness: $n_badness"
46	fi
47	n_warn=`grep -v 'Warning: unable to open an initial console' $1 | egrep -c 'WARNING:|Warn'`
48	if test "$n_warn" -ne 0
49	then
50		summary="$summary  Warnings: $n_warn"
51	fi
52	n_bugs=`egrep -c 'BUG|Oops:' $1`
53	if test "$n_bugs" -ne 0
54	then
55		summary="$summary  Bugs: $n_bugs"
56	fi
57	n_calltrace=`grep -c 'Call Trace:' $1`
58	if test "$n_calltrace" -ne 0
59	then
60		summary="$summary  Call Traces: $n_calltrace"
61	fi
62	n_lockdep=`grep -c =========== $1`
63	if test "$n_badness" -ne 0
64	then
65		summary="$summary  lockdep: $n_badness"
66	fi
67	n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $1`
68	if test "$n_stalls" -ne 0
69	then
70		summary="$summary  Stalls: $n_stalls"
71	fi
72	n_starves=`grep -c 'rcu_.*kthread starved for' $1`
73	if test "$n_starves" -ne 0
74	then
75		summary="$summary  Starves: $n_starves"
76	fi
77	print_warning Summary: $summary
78else
79	rm $1.diags
80fi
81