perf script: Use fallbacks for branch stacks
[linux/fpc-iii.git] / scripts / stackusage
blob56ef1ab670acc06700bf92fc322e0ae87831c511
1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
4 outfile=""
5 now=`date +%s`
7 while [ $# -gt 0 ]
8 do
9 case "$1" in
10 -o)
11 outfile="$2"
12 shift 2;;
13 -h)
14 echo "usage: $0 [-o outfile] <make options/args>"
15 exit 0;;
16 *) break;;
17 esac
18 done
20 if [ -z "$outfile" ]
21 then
22 outfile=`mktemp --tmpdir stackusage.$$.XXXX`
25 KCFLAGS="${KCFLAGS} -fstack-usage" make "$@"
27 # Prepend directory name to file names, remove column information,
28 # make file:line/function/size/type properly tab-separated.
29 find . -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}"
34 echo "$0: output written to ${outfile}"