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#!/bin/bash
#
# Copyright (c) 2011, Intel Corporation.
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# DESCRIPTION
# Given 'buildstats' data (generate by bitbake when setting
# USER_CLASSES ?= "buildstats" on local.conf), task names and a stats values
# (these are the ones preset on the buildstats files), outputs
# '<task> <recipe> <value_1> <value_2> ... <value_n>'. The units are the ones
# defined at buildstats, which in turn takes data from /proc/[pid] files
#
# Some useful pipelines
#
# 1. Tasks with largest stime (Amount of time that this process has been scheduled
# in kernel mode) values
# $ buildstats.sh -b <buildstats> -s stime | sort -k3 -n -r | head
#
# 2. Min, max, sum utime (Amount of time that this process has been scheduled
# in user mode) per task (in needs GNU datamash)
# $ buildstats.sh -b <buildstats> -s utime | datamash -t' ' -g1 min 3 max 3 sum 3 | sort -k4 -n -r
#
# AUTHORS
# Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
#
# Stats, by type
TIME="utime:stime:cutime:cstime"
IO="IO wchar:IO write_bytes:IO syscr:IO read_bytes:IO rchar:IO syscw:IO cancelled_write_bytes"
RUSAGE="rusage ru_utime:rusage ru_stime:rusage ru_maxrss:rusage ru_minflt:rusage ru_majflt:\
rusage ru_inblock:rusage ru_oublock:rusage ru_nvcsw:rusage ru_nivcsw"
CHILD_RUSAGE="Child rusage ru_utime:Child rusage ru_stime:Child rusage ru_maxrss:Child rusage ru_minflt:\
Child rusage ru_majflt:Child rusage ru_inblock:Child rusage ru_oublock:Child rusage ru_nvcsw:\
Child rusage ru_nivcsw"
BS_DIR="tmp/buildstats"
RECIPE=""
TASKS="compile:configure:fetch:install:patch:populate_lic:populate_sysroot:unpack"
STATS="$TIME"
ACCUMULATE=""
HEADER="" # No header by default
function usage {
CMD=$(basename $0)
cat <<EOM
Usage: $CMD [-b buildstats_dir] [-t do_task]
-b buildstats The path where the folder resides
(default: "$BS_DIR")
-r recipe The recipe to be computed
-t tasks The tasks to be computed
(default: "$TASKS")
-s stats The stats to be matched. Options: TIME, IO, RUSAGE, CHILD_RUSAGE
or any other defined buildstat separated by colons, i.e. stime:utime
(default: "$STATS")
Default stat sets:
TIME=$TIME
IO=$IO
RUSAGE=$RUSAGE
CHILD_RUSAGE=$CHILD_RUSAGE
-a Accumulate all stats values for found recipes
-h Display this help message
EOM
}
# Parse and validate arguments
while getopts "b:r:t:s:aHh" OPT; do
case $OPT in
b)
BS_DIR="$OPTARG"
;;
r)
RECIPE="$OPTARG"
;;
t)
TASKS="$OPTARG"
;;
s)
STATS="$OPTARG"
;;
a)
ACCUMULATE="y"
;;
H)
HEADER="y"
;;
h)
usage
exit 0
;;
*)
usage
exit 1
;;
esac
done
# Ensure the buildstats folder exists
if [ ! -d "$BS_DIR" ]; then
echo "ERROR: $BS_DIR does not exist"
usage
exit 1
fi
stats=""
IFS=":"
for stat in ${STATS}; do
case $stat in
TIME)
stats="${stats}:${TIME}"
;;
IO)
stats="${stats}:${IO}"
;;
RUSAGE)
stats="${stats}:${RUSAGE}"
;;
CHILD_RUSAGE)
stats="${stats}:${CHILD_RUSAGE}"
;;
*)
stats="${STATS}"
;;
esac
done
# remove possible colon at the beginning
stats="$(echo "$stats" | sed -e 's/^://1')"
# Provide a header if required by the user
if [ -n "$HEADER" ] ; then
if [ -n "$ACCUMULATE" ]; then
echo "task:recipe:accumulated(${stats//:/;})"
else
echo "task:recipe:$stats"
fi
fi
for task in ${TASKS}; do
task="do_${task}"
for file in $(find ${BS_DIR} -type f -path *${RECIPE}*/${task} | awk 'BEGIN{ ORS=""; OFS=":" } { print $0,"" }'); do
recipe="$(basename $(dirname $file))"
times=""
for stat in ${stats}; do
[ -z "$stat" ] && { echo "empty stats"; }
time=$(sed -n -e "s/^\($stat\): \\(.*\\)/\\2/p" $file)
# in case the stat is not present, set the value as NA
[ -z "$time" ] && { time="NA"; }
# Append it to times
if [ -z "$times" ]; then
times="${time}"
else
times="${times} ${time}"
fi
done
if [ -n "$ACCUMULATE" ]; then
IFS=' '; valuesarray=(${times}); IFS=':'
times=0
for value in "${valuesarray[@]}"; do
[ "$value" == "NA" ] && { echo "ERROR: stat is not present."; usage; exit 1; }
times=$(( $times + $value ))
done
fi
echo "${task} ${recipe} ${times}"
done
done
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