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#!/bin/bash
#
# Copyright (c) 2014 Artem Polyakov <artpol84@gmail.com>
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#####################################################################
# Evaluate a floating point number expression.
if [ -z "$1" ] || [ -z "$2" ]; then
echo "Need the name of a timing file and the output file"
exit 0
fi
initfile=$1
postfile=$2
# 1. Filter OPAL_TRACE entrieas only
# and put the timestamp to the first place
#.2. Sort considering that we dealing with
# floating point numbers
# 3. Return to initial field order and count relative fields
cat $initfile | \
awk 'BEGIN { FPAT = "([^ ]+)|(\"[^\"]+\")" }
{
if( $0 ~ /\[OPAL_TRACE\]/ ){
x = $NF
$NF = $1
$1 = x
print $0
}
}' | sort --general-numeric-sort | \
awk 'BEGIN {
FPAT = "([^ ]+)|(\"[^\"]+\")"
first = 0
prev = 0
}
{
if( first == 0 ){
first = $1
prev = $1
}
x = $1
$1 = $NF
$NF = x
rel_to_first = x - first
rel_to_prev = x - prev
prev = x
print $0, " ", rel_to_prev, " ", rel_to_first
}' > $postfile
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