tools/testing/selftests/rcutorture/bin/parse-console.sh

   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
  27 file="$1"
  28 title="$2"
  29
  30 . functions.sh
  31
  32 if grep -Pq '\x00' < $file
  33 then
  34         print_warning Console output contains nul bytes, old qemu still running?
  35 fi
  36 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' > $1.diags
  37 if test -s $1.diags
  38 then
  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
  78 else
  79         rm $1.diags
  80 fi