xref: /OK3568_Linux_fs/kernel/scripts/stackusage (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#!/bin/sh
2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
3*4882a593Smuzhiyun
4*4882a593Smuzhiyunoutfile=""
5*4882a593Smuzhiyunnow=`date +%s`
6*4882a593Smuzhiyun
7*4882a593Smuzhiyunwhile [ $# -gt 0 ]
8*4882a593Smuzhiyundo
9*4882a593Smuzhiyun    case "$1" in
10*4882a593Smuzhiyun        -o)
11*4882a593Smuzhiyun	    outfile="$2"
12*4882a593Smuzhiyun	    shift 2;;
13*4882a593Smuzhiyun	-h)
14*4882a593Smuzhiyun	    echo "usage: $0 [-o outfile] <make options/args>"
15*4882a593Smuzhiyun	    exit 0;;
16*4882a593Smuzhiyun	*)  break;;
17*4882a593Smuzhiyun    esac
18*4882a593Smuzhiyundone
19*4882a593Smuzhiyun
20*4882a593Smuzhiyunif [ -z "$outfile" ]
21*4882a593Smuzhiyunthen
22*4882a593Smuzhiyun    outfile=`mktemp --tmpdir stackusage.$$.XXXX`
23*4882a593Smuzhiyunfi
24*4882a593Smuzhiyun
25*4882a593SmuzhiyunKCFLAGS="${KCFLAGS} -fstack-usage" make "$@"
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun# Prepend directory name to file names, remove column information,
28*4882a593Smuzhiyun# make file:line/function/size/type properly tab-separated.
29*4882a593Smuzhiyunfind . -name '*.su' -newermt "@${now}" -print |                     \
30*4882a593Smuzhiyun    xargs perl -MFile::Basename -pe                                 \
31*4882a593Smuzhiyun        '$d = dirname($ARGV); s#([^:]+:[0-9]+):[0-9]+:#$d/$1\t#;' | \
32*4882a593Smuzhiyun    sort -k3,3nr > "${outfile}"
33*4882a593Smuzhiyun
34*4882a593Smuzhiyunecho "$0: output written to ${outfile}"
35