scripts: add stackusage script

[linux-block.git] / scripts / stackusage

diff --git a/scripts/stackusage b/scripts/stackusage
new file mode 100755 (executable)
index 0000000..8cf2664
--- /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}"