tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh

   1 #!/bin/bash
   2 #
   3 # Analyze a given results directory for rcutorture progress.
   4 #
   5 # Usage: kvm-recheck-rcu.sh resdir
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, you can access it online at
  19 # http://www.gnu.org/licenses/gpl-2.0.html.
  20 #
  21 # Copyright (C) IBM Corporation, 2014
  22 #
  23 # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
  24
  25 i="$1"
  26 if test -d "$i" -a -r "$i"
  27 then
  28         :
  29 else
  30         echo Unreadable results directory: $i
  31         exit 1
  32 fi
  33 . functions.sh
  34
  35 configfile=`echo $i | sed -e 's/^.*\///'`
  36 ngps=`grep ver: $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* ver: //' -e 's/ .*$//'`
  37 stopstate="`grep 'End-test grace-period state: g' $i/console.log 2> /dev/null |
  38             tail -1 | sed -e 's/^\[[ 0-9.]*] //' |
  39             awk '{ print \"[\" $1 \" \" $5 \" \" $6 \" \" $7 \"]\"; }' |
  40             tr -d '\012\015'`"
  41 if test -z "$ngps"
  42 then
  43         echo "$configfile ------- " $stopstate
  44 else
  45         title="$configfile ------- $ngps GPs"
  46         dur=`sed -e 's/^.* rcutorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null`
  47         if test -z "$dur"
  48         then
  49                 :
  50         else
  51                 ngpsps=`awk -v ngps=$ngps -v dur=$dur '
  52                         BEGIN { print ngps / dur }' < /dev/null`
  53                 title="$title ($ngpsps/s)"
  54         fi
  55         echo $title $stopstate
  56         nclosecalls=`grep --binary-files=text 'torture: Reader Batch' $i/console.log | tail -1 | awk '{for (i=NF-8;i<=NF;i++) sum+=$i; } END {print sum}'`
  57         if test -z "$nclosecalls"
  58         then
  59                 exit 0
  60         fi
  61         if test "$nclosecalls" -eq 0
  62         then
  63                 exit 0
  64         fi
  65         # Compute number of close calls per tenth of an hour
  66         nclosecalls10=`awk -v nclosecalls=$nclosecalls -v dur=$dur 'BEGIN { print int(nclosecalls * 36000 / dur) }' < /dev/null`
  67         if test $nclosecalls10 -gt 5 -a $nclosecalls -gt 1
  68         then
  69                 print_bug $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i
  70         else
  71                 print_warning $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i
  72         fi
  73         echo $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i > $i/console.log.rcu.diags
  74 fi