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#!/usr/bin/env bash
#
# Copyright (c) 2011, Intel Corporation.
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# DESCRIPTION
#
# Produces script data to be consumed by gnuplot. There are two possible plots
# depending if either the -S parameter is present or not:
#
# * without -S: Produces a histogram listing top N recipes/tasks versus
# stats. The first stat defined in the -s parameter is the one taken
# into account for ranking
# * -S: Produces a histogram listing tasks versus stats. In this case,
# the value of each stat is the sum for that particular stat in all recipes found.
# Stats values are in descending order defined by the first stat defined on -s
#
# EXAMPLES
#
# 1. Top recipes' tasks taking into account utime
#
# $ buildstats-plot.sh -s utime | gnuplot -p
#
# 2. Tasks versus utime:stime
#
# $ buildstats-plot.sh -s utime:stime -S | gnuplot -p
#
# 3. Tasks versus IO write_bytes:IO read_bytes
#
# $ buildstats-plot.sh -s 'IO write_bytes:IO read_bytes' -S | gnuplot -p
#
# AUTHORS
# Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
#
set -o nounset
set -o errexit
BS_DIR="tmp/buildstats"
N=10
STATS="utime"
SUM=""
OUTDATA_FILE="$PWD/buildstats-plot.out"
function usage {
CMD=$(basename $0)
cat <<EOM
Usage: $CMD [-b buildstats_dir] [-t do_task]
-b buildstats The path where the folder resides
(default: "$BS_DIR")
-n N Top N recipes to display. Ignored if -S is present
(default: "$N")
-s stats The stats to be matched. If more that one stat, units
should be the same because data is plot as histogram.
(see buildstats.sh -h for all options) or any other defined
(build)stat separated by colons, i.e. stime:utime
(default: "$STATS")
-S Sum values for a particular stat for found recipes
-o Output data file.
(default: "$OUTDATA_FILE")
-h Display this help message
EOM
}
# Parse and validate arguments
while getopts "b:n:s:o:Sh" OPT; do
case $OPT in
b)
BS_DIR="$OPTARG"
;;
n)
N="$OPTARG"
;;
s)
STATS="$OPTARG"
;;
S)
SUM="y"
;;
o)
OUTDATA_FILE="$OPTARG"
;;
h)
usage
exit 0
;;
*)
usage
exit 1
;;
esac
done
# Get number of stats
IFS=':'; statsarray=(${STATS}); unset IFS
nstats=${#statsarray[@]}
# Get script folder, use to run buildstats.sh
CD=$(dirname $0)
# Parse buildstats recipes to produce a single table
OUTBUILDSTATS="$PWD/buildstats.log"
$CD/buildstats.sh -H -s "$STATS" -H > $OUTBUILDSTATS
# Get headers
HEADERS=$(cat $OUTBUILDSTATS | sed -n -e '1s/ /-/g' -e '1s/:/ /gp')
echo -e "set boxwidth 0.9 relative"
echo -e "set style data histograms"
echo -e "set style fill solid 1.0 border lt -1"
echo -e "set xtics rotate by 45 right"
# Get output data
if [ -z "$SUM" ]; then
cat $OUTBUILDSTATS | sed -e '1d' | sort -k3 -n -r | head -$N > $OUTDATA_FILE
# include task at recipe column
sed -i -e "1i\
${HEADERS}" $OUTDATA_FILE
echo -e "set title \"Top task/recipes\""
echo -e "plot for [COL=3:`expr 3 + ${nstats} - 1`] '${OUTDATA_FILE}' using COL:xtic(stringcolumn(1).' '.stringcolumn(2)) title columnheader(COL)"
else
# Construct datatamash sum argument (sum 3 sum 4 ...)
declare -a sumargs
j=0
for i in `seq $nstats`; do
sumargs[j]=sum; j=$(( $j + 1 ))
sumargs[j]=`expr 3 + $i - 1`; j=$(( $j + 1 ))
done
# Do the processing with datamash
cat $OUTBUILDSTATS | sed -e '1d' | datamash -t ' ' -g1 ${sumargs[*]} | sort -k2 -n -r > $OUTDATA_FILE
# Include headers into resulted file, so we can include gnuplot xtics
HEADERS=$(echo $HEADERS | sed -e 's/recipe//1')
sed -i -e "1i\
${HEADERS}" $OUTDATA_FILE
# Plot
echo -e "set title \"Sum stats values per task for all recipes\""
echo -e "plot for [COL=2:`expr 2 + ${nstats} - 1`] '${OUTDATA_FILE}' using COL:xtic(1) title columnheader(COL)"
fi
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