xref: /openbmc/linux/scripts/stackusage (revision 132db935)
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3
4outfile=""
5now=`date +%s`
6
7while [ $# -gt 0 ]
8do
9    case "$1" in
10        -o)
11	    outfile="$2"
12	    shift 2;;
13	-h)
14	    echo "usage: $0 [-o outfile] <make options/args>"
15	    exit 0;;
16	*)  break;;
17    esac
18done
19
20if [ -z "$outfile" ]
21then
22    outfile=`mktemp --tmpdir stackusage.$$.XXXX`
23fi
24
25KCFLAGS="${KCFLAGS} -fstack-usage" make "$@"
26
27# Prepend directory name to file names, remove column information,
28# make file:line/function/size/type properly tab-separated.
29find . -name '*.su' -newermt "@${now}" -print |                     \
30    xargs perl -MFile::Basename -pe                                 \
31        '$d = dirname($ARGV); s#([^:]+:[0-9]+):[0-9]+:#$d/$1\t#;' | \
32    sort -k3,3nr > "${outfile}"
33
34echo "$0: output written to ${outfile}"
35