xref: /openbmc/linux/scripts/stackusage (revision 9cfc5c90)
1#!/bin/sh
2
3outfile=""
4now=`date +%s`
5
6while [ $# -gt 0 ]
7do
8    case "$1" in
9        -o)
10	    outfile="$2"
11	    shift 2;;
12	-h)
13	    echo "usage: $0 [-o outfile] <make options/args>"
14	    exit 0;;
15	*)  break;;
16    esac
17done
18
19if [ -z "$outfile" ]
20then
21    outfile=`mktemp --tmpdir stackusage.$$.XXXX`
22fi
23
24KCFLAGS="${KCFLAGS} -fstack-usage" make "$@"
25
26# Prepend directory name to file names, remove column information,
27# make file:line/function/size/type properly tab-separated.
28find . -name '*.su' -newermt "@${now}" -print |                     \
29    xargs perl -MFile::Basename -pe                                 \
30        '$d = dirname($ARGV); s#([^:]+:[0-9]+):[0-9]+:#$d/$1\t#;' | \
31    sort -k3,3nr > "${outfile}"
32
33echo "$0: output written to ${outfile}"
34