Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[~andy/linux] / tools / testing / selftests / rcutorture / bin / parse-rcutorture.sh

diff --git a/tools/testing/selftests/rcutorture/bin/parse-rcutorture.sh b/tools/testing/selftests/rcutorture/bin/parse-rcutorture.sh
new file mode 100755 (executable)
index 0000000..dd0a275
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/parse-rcutorture.sh
@@ -0,0 +1,106 @@
+#!/bin/sh
+#
+# Check the console output from an rcutorture run for goodness.
+# The "file" is a pathname on the local system, and "title" is
+# a text string for error-message purposes.
+#
+# The file must contain rcutorture output, but can be interspersed
+# with other dmesg text.
+#
+# Usage:
+#      sh parse-rcutorture.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=/tmp/parse-rcutorture.sh.$$
+file="$1"
+title="$2"
+
+trap 'rm -f $T.seq' 0
+
+. functions.sh
+
+# check for presence of rcutorture.txt file
+
+if test -f "$file" -a -r "$file"
+then
+       :
+else
+       echo $title unreadable rcutorture.txt file: $file
+       exit 1
+fi
+
+# 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
+       echo "   " $url
+       exit
+fi
+
+grep --binary-files=text 'torture:.*ver:' $file | grep --binary-files=text -v '(null)' | 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 "RCU GP HANG at " ver " rcutorture stat " badseqnr;
+               else
+                       print "BAD SEQ " badseqno1 ":" badseqno2 " last:" ver " RCU version " badseqnr;
+       }
+       }' > $T.seq
+
+if grep -q SUCCESS $file
+then
+       if test -s $T.seq
+       then
+               print_warning $title $title `cat $T.seq`
+               echo "   " $file
+               exit 2
+       fi
+else
+       if grep -q RCU_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 RCU version messages
+       if test -s $T.seq
+       then
+               print_warning $title `cat $T.seq`
+       fi
+       exit 2
+fi