Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[platform/kernel/linux-rpi.git] / scripts / stackusage
1 #!/bin/sh
2
3 outfile=""
4 now=`date +%s`
5
6 while [ $# -gt 0 ]
7 do
8     case "$1" in
9         -o)
10             outfile="$2"
11             shift 2;;
12         -h)
13             echo "usage: $0 [-o outfile] <make options/args>"
14             exit 0;;
15         *)  break;;
16     esac
17 done
18
19 if [ -z "$outfile" ]
20 then
21     outfile=`mktemp --tmpdir stackusage.$$.XXXX`
22 fi
23
24 KCFLAGS="${KCFLAGS} -fstack-usage" make "$@"
25
26 # Prepend directory name to file names, remove column information,
27 # make file:line/function/size/type properly tab-separated.
28 find . -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
33 echo "$0: output written to ${outfile}"