common.filter

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2009 Red Hat, Inc.
   4 # Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
   5 #
   6 # This program is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU General Public License as
   8 # published by the Free Software Foundation.
   9 #
  10 # This program is distributed in the hope that it would be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write the Free Software Foundation,
  17 # Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18 #
  19 #
  20 # standard filters
  21 #
  22
  23 # Checks that given_value is in range of correct_value +/- tolerance.
  24 # Tolerance can be an absolute value or a percentage of the correct value
  25 # (see examples with tolerances below).
  26 # Outputs suitable message to stdout if it's not in range.
  27 #
  28 # A verbose option, -v, may be used as the LAST argument
  29 #
  30 # e.g.
  31 # foo: 0.0298 = 0.03 +/- 5%
  32 # _within_tolerance "foo" 0.0298 0.03 5%
  33 #
  34 # foo: 0.0298 = 0.03 +/- 0.01
  35 # _within_tolerance "foo" 0.0298 0.03 0.01
  36 #
  37 # foo: 0.0298 = 0.03 -0.01 +0.002
  38 # _within_tolerance "foo" 0.0298 0.03 0.01 0.002
  39 #
  40 # foo: verbose output of 0.0298 = 0.03 +/- 5%
  41 # _within_tolerance "foo" 0.0298 0.03 5% -v
  42 _within_tolerance()
  43 {
  44   _name=$1
  45   _given_val=$2
  46   _correct_val=$3
  47   _mintol=$4
  48   _maxtol=$_mintol
  49   _verbose=0
  50   _debug=false
  51
  52   # maxtol arg is optional
  53   # verbose arg is optional
  54   if [ $# -ge 5 ]
  55   then
  56      if [ "$5" = "-v" ]
  57      then
  58         _verbose=1
  59      else
  60         _maxtol=$5
  61      fi
  62   fi
  63   if [ $# -ge 6 ]
  64   then
  65      [ "$6" = "-v" ] && _verbose=1
  66   fi
  67
  68   # find min with or without %
  69   _mintolerance=`echo $_mintol | sed -e 's/%//'`
  70   if [ $_mintol = $_mintolerance ]
  71   then
  72       _min=`echo "scale=5; $_correct_val-$_mintolerance" | bc`
  73   else
  74       _min=`echo "scale=5; $_correct_val-$_mintolerance*0.01*$_correct_val" | bc`
  75   fi
  76
  77   # find max with or without %
  78   _maxtolerance=`echo $_maxtol | sed -e 's/%//'`
  79   if [ $_maxtol = $_maxtolerance ]
  80   then
  81       _max=`echo "scale=5; $_correct_val+$_maxtolerance" | bc`
  82   else
  83       _max=`echo "scale=5; $_correct_val+$_maxtolerance*0.01*$_correct_val" | bc`
  84   fi
  85
  86   $_debug && echo "min = $_min"
  87   $_debug && echo "max = $_max"
  88
  89   cat <<EOF >$tmp.bc.1
  90 scale=5;
  91 if ($_min <= $_given_val) 1;
  92 if ($_min > $_given_val) 0;
  93 EOF
  94
  95   cat <<EOF >$tmp.bc.2
  96 scale=5;
  97 if ($_given_val <= $_max) 1;
  98 if ($_given_val > $_max) 0;
  99 EOF
 100
 101   _above_min=`bc <$tmp.bc.1`
 102   _below_max=`bc <$tmp.bc.2`
 103
 104   rm -f $tmp.bc.[12]
 105
 106   _in_range=`expr $_above_min \& $_below_max`
 107
 108   # fix up min, max precision for output
 109   # can vary for 5.3, 6.2
 110   _min=`echo $_min | sed -e 's/0*$//'` # get rid of trailling zeroes
 111   _max=`echo $_max | sed -e 's/0*$//'` # get rid of trailling zeroes
 112
 113   if [ $_in_range -eq 1 ]
 114   then
 115         [ $_verbose -eq 1 ] && echo $_name is in range
 116         return 0
 117   else
 118         [ $_verbose -eq 1 ] && echo $_name has value of $_given_val
 119         [ $_verbose -eq 1 ] && echo $_name is NOT in range $_min .. $_max
 120         return 1
 121   fi
 122 }
 123
 124 # ctime(3) dates
 125 #
 126 _filter_date()
 127 {
 128     sed \
 129         -e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z]  *[0-9][0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
 130 }
 131
 132 # replace occurances of the actual TEST_DIR value with TEST_DIR
 133 _filter_testdir()
 134 {
 135     sed -e "s#$TEST_DIR#TEST_DIR#g"
 136 }
 137
 138 # sanitize qemu-io output
 139 _filter_qemu_io()
 140 {
 141     sed -e "s/[0-9]* ops\; [0-9/:. sec]* ([0-9/.]* [GMKiBbytes]*\/sec and [0-9/.]* ops\/sec)/X ops\; XX:XX:XX.X (XXX YYY\/sec and XXX ops\/sec)/"
 142 }
 143
 144 # make sure this script returns success
 145 /bin/true