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#!/bin/bash
#
# Copyright (C) 2009 Red Hat, Inc.
# Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
#
# 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.
#
# This program is distributed in the hope that it would 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, see <http://www.gnu.org/licenses/>.
#
#
# standard filters
#
# Checks that given_value is in range of correct_value +/- tolerance.
# Tolerance can be an absolute value or a percentage of the correct value
# (see examples with tolerances below).
# Outputs suitable message to stdout if it's not in range.
#
# A verbose option, -v, may be used as the LAST argument
#
# e.g.
# foo: 0.0298 = 0.03 +/- 5%
# _within_tolerance "foo" 0.0298 0.03 5%
#
# foo: 0.0298 = 0.03 +/- 0.01
# _within_tolerance "foo" 0.0298 0.03 0.01
#
# foo: 0.0298 = 0.03 -0.01 +0.002
# _within_tolerance "foo" 0.0298 0.03 0.01 0.002
#
# foo: verbose output of 0.0298 = 0.03 +/- 5%
# _within_tolerance "foo" 0.0298 0.03 5% -v
_within_tolerance()
{
_name=$1
_given_val=$2
_correct_val=$3
_mintol=$4
_maxtol=$_mintol
_verbose=0
_debug=false
# maxtol arg is optional
# verbose arg is optional
if [ $# -ge 5 ]
then
if [ "$5" = "-v" ]
then
_verbose=1
else
_maxtol=$5
fi
fi
if [ $# -ge 6 ]
then
[ "$6" = "-v" ] && _verbose=1
fi
# find min with or without %
_mintolerance=`echo $_mintol | sed -e 's/%//'`
if [ $_mintol = $_mintolerance ]
then
_min=`echo "scale=5; $_correct_val-$_mintolerance" | bc`
else
_min=`echo "scale=5; $_correct_val-$_mintolerance*0.01*$_correct_val" | bc`
fi
# find max with or without %
_maxtolerance=`echo $_maxtol | sed -e 's/%//'`
if [ $_maxtol = $_maxtolerance ]
then
_max=`echo "scale=5; $_correct_val+$_maxtolerance" | bc`
else
_max=`echo "scale=5; $_correct_val+$_maxtolerance*0.01*$_correct_val" | bc`
fi
$_debug && echo "min = $_min"
$_debug && echo "max = $_max"
cat <<EOF >$tmp.bc.1
scale=5;
if ($_min <= $_given_val) 1;
if ($_min > $_given_val) 0;
EOF
cat <<EOF >$tmp.bc.2
scale=5;
if ($_given_val <= $_max) 1;
if ($_given_val > $_max) 0;
EOF
_above_min=`bc <$tmp.bc.1`
_below_max=`bc <$tmp.bc.2`
rm -f $tmp.bc.[12]
_in_range=`expr $_above_min \& $_below_max`
# fix up min, max precision for output
# can vary for 5.3, 6.2
_min=`echo $_min | sed -e 's/0*$//'` # get rid of trailling zeroes
_max=`echo $_max | sed -e 's/0*$//'` # get rid of trailling zeroes
if [ $_in_range -eq 1 ]
then
[ $_verbose -eq 1 ] && echo $_name is in range
return 0
else
[ $_verbose -eq 1 ] && echo $_name has value of $_given_val
[ $_verbose -eq 1 ] && echo $_name is NOT in range $_min .. $_max
return 1
fi
}
# ctime(3) dates
#
_filter_date()
{
sed \
-e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z] *[0-9][0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
}
# replace occurances of the actual TEST_DIR value with TEST_DIR
_filter_testdir()
{
sed -e "s#$TEST_DIR#TEST_DIR#g"
}
# sanitize qemu-io output
_filter_qemu_io()
{
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)/"
}
# make sure this script returns success
/bin/true
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