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#!/bin/bash
# Copyright (C) 1999-2025 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
memusageso='@SLIBDIR@/libmemusage.so'
memusagestat='@BINDIR@/memusagestat'
TEXTDOMAIN=libc
# Print usage message.
do_usage() {
printf >&2 $"Try \`%s --help' or \`%s --usage' for more information.\n" memusage memusage
exit 1
}
# Message for missing argument.
do_missing_arg() {
printf >&2 $"%s: option '%s' requires an argument\n" memusage "$1"
do_usage
}
# Print help message
do_help() {
echo $"Usage: memusage [OPTION]... PROGRAM [PROGRAMOPTION]...
Profile memory usage of PROGRAM.
-n,--progname=NAME Name of the program file to profile
-p,--png=FILE Generate PNG graphic and store it in FILE
-d,--data=FILE Generate binary data file and store it in FILE
-u,--unbuffered Don't buffer output
-b,--buffer=SIZE Collect SIZE entries before writing them out
--no-timer Don't collect additional information through timer
-m,--mmap Also trace mmap & friends
-?,--help Print this help and exit
--usage Give a short usage message
-V,--version Print version information and exit
The following options only apply when generating graphical output:
-t,--time-based Make graph linear in time
-T,--total Also draw graph of total memory use
--title=STRING Use STRING as title of the graph
-x,--x-size=SIZE Make graphic SIZE pixels wide
-y,--y-size=SIZE Make graphic SIZE pixels high
Mandatory arguments to long options are also mandatory for any corresponding
short options.
"
printf $"For bug reporting instructions, please see:\\n%s.\\n" \
"@REPORT_BUGS_TO@"
exit 0
}
do_version() {
echo 'memusage @PKGVERSION@@VERSION@'
printf $"Copyright (C) %s Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
" "2024"
printf $"Written by %s.
" "Ulrich Drepper"
exit 0
}
# These variables are local
buffer=
data=
memusagestat_args=
notimer=
png=
progname=
tracemmap=
# Process arguments. But stop as soon as the program name is found.
while test $# -gt 0; do
case "$1" in
-V | --v | --ve | --ver | --vers | --versi | --versio | --version)
do_version
;;
-\? | --h | --he | --hel | --help)
do_help
;;
--us | --usa | --usag | --usage)
echo $"Syntax: memusage [--data=FILE] [--progname=NAME] [--png=FILE] [--unbuffered]
[--buffer=SIZE] [--no-timer] [--time-based] [--total]
[--title=STRING] [--x-size=SIZE] [--y-size=SIZE]
PROGRAM [PROGRAMOPTION]..."
exit 0
;;
-n | --pr | --pro | --prog | --progn | --progna | --prognam | --progname)
if test $# -eq 1; then
do_missing_arg $1
fi
shift
progname="$1"
;;
--pr=* | --pro=* | --prog=* | --progn=* | --progna=* | --prognam=* | --progname=*)
progname=${1##*=}
;;
-p | --pn | --png)
if test $# -eq 1; then
do_missing_arg $1
fi
shift
png="$1"
;;
--pn=* | --png=*)
png=${1##*=}
;;
-d | --d | --da | --dat | --data)
if test $# -eq 1; then
do_missing_arg $1
fi
shift
data="$1"
;;
--d=* | --da=* | --dat=* | --data=*)
data=${1##*=}
;;
-u | --un | --unb | --unbu | --unbuf | --unbuff | --unbuffe | --unbuffer | --unbuffere | --unbuffered)
buffer=1
;;
-b | --b | --bu | --buf | --buff | --buffe | --buffer)
if test $# -eq 1; then
do_missing_arg $1
fi
shift
buffer="$1"
;;
--b=* | --bu=* | --buf=* | --buff=* | --buffe=* | --buffer=*)
buffer=${1##*=}
;;
--n | --no | --no- | --no-t | --no-ti | --no-tim | --no-time | --no-timer)
notimer=yes
;;
-m | --m | --mm | --mma | --mmap)
tracemmap=yes
;;
-t | --tim | --time | --time- | --time-b | --time-ba | --time-bas | --time-base | --time-based)
memusagestat_args="$memusagestat_args -t"
;;
-T | --to | --tot | --tota | --total)
memusagestat_args="$memusagestat_args -T"
;;
--tit | --titl | --title)
if test $# -eq 1; then
do_missing_arg $1
fi
shift
memusagestat_args="$memusagestat_args -s $1"
;;
--tit=* | --titl=* | --title=*)
memusagestat_args="$memusagestat_args -s ${1##*=}"
;;
-x | --x | --x- | --x-s | --x-si | --x-siz | --x-size)
if test $# -eq 1; then
do_missing_arg $1
fi
shift
memusagestat_args="$memusagestat_args -x $1"
;;
--x=* | --x-=* | --x-s=* | --x-si=* | --x-siz=* | --x-size=*)
memusagestat_args="$memusagestat_args -x ${1##*=}"
;;
-y | --y | --y- | --y-s | --y-si | --y-siz | --y-size)
if test $# -eq 1; then
do_missing_arg $1
fi
shift
memusagestat_args="$memusagestat_args -y $1"
;;
--y=* | --y-=* | --y-s=* | --y-si=* | --y-siz=* | --y-size=*)
memusagestat_args="$memusagestat_args -y ${1##*=}"
;;
--p | --p=* | --t | --t=* | --ti | --ti=* | --u)
echo >&2 $"memusage: option \`${1##*=}' is ambiguous"
do_usage
;;
--)
# Stop processing arguments.
shift
break
;;
--*)
echo >&2 $"memusage: unrecognized option \`$1'"
do_usage
;;
*)
# Unknown option. This means the rest is the program name and parameters.
break
;;
esac
shift
done
# See whether any arguments are left.
if test $# -eq 0; then
echo >&2 $"No program name given"
do_usage
fi
# This will be in the environment.
add_env="LD_PRELOAD=$memusageso"
# Generate data file name.
datafile=
if test -n "$data"; then
datafile="$data"
elif test -n "$png"; then
datafile=$(mktemp -t memusage.XXXXXX) || exit
trap 'rm -f "$datafile"; exit 1' HUP INT QUIT TERM PIPE
fi
if test -n "$datafile"; then
add_env="$add_env MEMUSAGE_OUTPUT=$datafile"
fi
# Set program name.
if test -n "$progname"; then
add_env="$add_env MEMUSAGE_PROG_NAME=$progname"
fi
# Set buffer size.
if test -n "$buffer"; then
add_env="$add_env MEMUSAGE_BUFFER_SIZE=$buffer"
fi
# Disable timers.
if test -n "$notimer"; then
add_env="$add_env MEMUSAGE_NO_TIMER=yes"
fi
# Trace mmap.
if test -n "$tracemmap"; then
add_env="$add_env MEMUSAGE_TRACE_MMAP=yes"
fi
# Execute the program itself.
eval $add_env '"$@"'
result=$?
# Generate the PNG data file if wanted and there is something to generate
# it from.
if test -n "$png" -a -n "$datafile" -a -s "$datafile"; then
# Append extension .png if it isn't already there.
case $png in
*.png) ;;
*) png="$png.png" ;;
esac
$memusagestat $memusagestat_args "$datafile" "$png"
fi
if test -z "$data" -a -n "$datafile"; then
rm -f "$datafile"
fi
exit $result
# Local Variables:
# mode:ksh
# End:
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