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authorTejun Heo <tj@kernel.org>2015-11-03 17:29:03 -0500
committerTejun Heo <tj@kernel.org>2015-11-03 17:29:03 -0500
commit159b5bb46492e4dcef2070b12861030bc360402b (patch)
tree93de7d6e94a059aade50ee5437de6a50ccd1cf7b /scripts/stackusage
parent56e74338a535cbcc2f2da08b1ea1a92920194364 (diff)
parent469eabb3aec03d9defed3462df743a223a5c8f54 (diff)
downloadcachepc-linux-159b5bb46492e4dcef2070b12861030bc360402b.tar.gz
cachepc-linux-159b5bb46492e4dcef2070b12861030bc360402b.zip
Merge branch 'for-4.3-fixes' into for-4.4
Diffstat (limited to 'scripts/stackusage')
-rwxr-xr-xscripts/stackusage33
1 files changed, 33 insertions, 0 deletions
diff --git a/scripts/stackusage b/scripts/stackusage
new file mode 100755
index 000000000000..8cf26640ef8a
--- /dev/null
+++ b/scripts/stackusage
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+outfile=""
+now=`date +%s`
+
+while [ $# -gt 0 ]
+do
+ case "$1" in
+ -o)
+ outfile="$2"
+ shift 2;;
+ -h)
+ echo "usage: $0 [-o outfile] <make options/args>"
+ exit 0;;
+ *) break;;
+ esac
+done
+
+if [ -z "$outfile" ]
+then
+ outfile=`mktemp --tmpdir stackusage.$$.XXXX`
+fi
+
+KCFLAGS="${KCFLAGS} -fstack-usage" make "$@"
+
+# Prepend directory name to file names, remove column information,
+# make file:line/function/size/type properly tab-separated.
+find . -name '*.su' -newermt "@${now}" -print | \
+ xargs perl -MFile::Basename -pe \
+ '$d = dirname($ARGV); s#([^:]+:[0-9]+):[0-9]+:#$d/$1\t#;' | \
+ sort -k3,3nr > "${outfile}"
+
+echo "$0: output written to ${outfile}"