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+#!/usr/bin/env bash
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+#
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+# Copyright (c) 2011, Intel Corporation.
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+# All rights reserved.
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+#
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program; if not, write to the Free Software
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+#
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+# DESCRIPTION
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+#
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+# Produces script data to be consumed by gnuplot. There are two possible plots
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+# depending if either the -S parameter is present or not:
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+#
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+# * without -S: Produces a histogram listing top N recipes/tasks versus
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+# stats. The first stat defined in the -s parameter is the one taken
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+# into account for ranking
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+# * -S: Produces a histogram listing tasks versus stats. In this case,
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+# the value of each stat is the sum for that particular stat in all recipes found.
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+# Stats values are in descending order defined by the first stat defined on -s
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+#
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+# EXAMPLES
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+#
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+# 1. Top recipes' tasks taking into account utime
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+#
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+# $ buildstats-plot.sh -s utime | gnuplot -p
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+#
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+# 2. Tasks versus utime:stime
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+#
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+# $ buildstats-plot.sh -s utime:stime -S | gnuplot -p
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+#
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+# 3. Tasks versus IO write_bytes:IO read_bytes
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+#
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+# $ buildstats-plot.sh -s 'IO write_bytes:IO read_bytes' -S | gnuplot -p
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+#
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+# AUTHORS
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+# Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
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+#
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+
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+set -o nounset
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+set -o errexit
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+
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+BS_DIR="tmp/buildstats"
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+N=10
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+STATS="utime"
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+SUM=""
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+OUTDATA_FILE="$PWD/buildstats-plot.out"
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+
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+function usage {
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+ CMD=$(basename $0)
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+ cat <<EOM
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+Usage: $CMD [-b buildstats_dir] [-t do_task]
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+ -b buildstats The path where the folder resides
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+ (default: "$BS_DIR")
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+ -n N Top N recipes to display. Ignored if -S is present
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+ (default: "$N")
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+ -s stats The stats to be matched. If more that one stat, units
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+ should be the same because data is plot as histogram.
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+ (see buildstats.sh -h for all options) or any other defined
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+ (build)stat separated by colons, i.e. stime:utime
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+ (default: "$STATS")
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+ -S Sum values for a particular stat for found recipes
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+ -o Output data file.
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+ (default: "$OUTDATA_FILE")
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+ -h Display this help message
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+EOM
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+}
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+
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+# Parse and validate arguments
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+while getopts "b:n:s:o:Sh" OPT; do
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+ case $OPT in
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+ b)
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+ BS_DIR="$OPTARG"
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+ ;;
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+ n)
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+ N="$OPTARG"
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+ ;;
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+ s)
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+ STATS="$OPTARG"
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+ ;;
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+ S)
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+ SUM="y"
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+ ;;
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+ o)
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+ OUTDATA_FILE="$OPTARG"
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+ ;;
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+ h)
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+ usage
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+ exit 0
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+ ;;
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+ *)
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+ usage
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+ exit 1
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+ ;;
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+ esac
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+done
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+
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+# Get number of stats
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+IFS=':'; statsarray=(${STATS}); unset IFS
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+nstats=${#statsarray[@]}
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+
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+# Get script folder, use to run buildstats.sh
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+CD=$(dirname $0)
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+
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+# Parse buildstats recipes to produce a single table
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+OUTBUILDSTATS="$PWD/buildstats.log"
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+$CD/buildstats.sh -H -s "$STATS" -H > $OUTBUILDSTATS
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+
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+# Get headers
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+HEADERS=$(cat $OUTBUILDSTATS | sed -n -e '1s/ /-/g' -e '1s/:/ /gp')
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+
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+echo -e "set boxwidth 0.9 relative"
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+echo -e "set style data histograms"
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+echo -e "set style fill solid 1.0 border lt -1"
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+echo -e "set xtics rotate by 45 right"
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+
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+# Get output data
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+if [ -z "$SUM" ]; then
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+ cat $OUTBUILDSTATS | sed -e '1d' | sort -k3 -n -r | head -$N > $OUTDATA_FILE
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+ # include task at recipe column
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+ sed -i -e "1i\
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+${HEADERS}" $OUTDATA_FILE
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+ echo -e "set title \"Top task/recipes\""
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+ echo -e "plot for [COL=3:`expr 3 + ${nstats} - 1`] '${OUTDATA_FILE}' using COL:xtic(stringcolumn(1).' '.stringcolumn(2)) title columnheader(COL)"
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+else
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+
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+ # Construct datatamash sum argument (sum 3 sum 4 ...)
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+ declare -a sumargs
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+ j=0
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+ for i in `seq $nstats`; do
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+ sumargs[j]=sum; j=$(( $j + 1 ))
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+ sumargs[j]=`expr 3 + $i - 1`; j=$(( $j + 1 ))
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+ done
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+
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+ # Do the processing with datamash
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+ cat $OUTBUILDSTATS | sed -e '1d' | datamash -t ' ' -g1 ${sumargs[*]} | sort -k2 -n -r > $OUTDATA_FILE
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+
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+ # Include headers into resulted file, so we can include gnuplot xtics
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+ HEADERS=$(echo $HEADERS | sed -e 's/recipe//1')
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+ sed -i -e "1i\
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+${HEADERS}" $OUTDATA_FILE
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+
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+ # Plot
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+ echo -e "set title \"Sum stats values per task for all recipes\""
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+ echo -e "plot for [COL=2:`expr 2 + ${nstats} - 1`] '${OUTDATA_FILE}' using COL:xtic(1) title columnheader(COL)"
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+fi
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+
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Leonardo Sandoval