Script and make targets for profiling

.gitignore

@@ -1,5 +1,6 @@
 *.pyc
 *~
+*.tmp
 /MANIFEST
 /build/
 /cdiff.egg-info/

Makefile

@@ -2,8 +2,10 @@
 
 TESTPYPI = https://testpypi.python.org/pypi
 PYPI = https://pypi.python.org/pypi
+LONG_PATCH_CMD = for i in {1..100}; do cat tests/svn/in.diff; done
+PROFILE_ARGS = -m cProfile -s time cdiff.py -c always -s -w 60
 
-.PHONY: dogfood test test3 clean build dist-test dist
+.PHONY: dogfood test test3 profile profile3 clean build dist-test dist
 
 dogfood:
 	./cdiff.py
@@ -15,8 +17,14 @@ test:
 test3:
 	PYTHON=python3 tests/regression.sh
 
+profile:
+	tests/profile.sh profile.tmp
+
+profile3:
+	tests/profile.sh profile3.tmp
+
 clean:
-	rm -f MANIFEST
+	rm -f MANIFEST profile*.tmp*
 	rm -rf build/ cdiff.egg-info/ dist/ __pycache__/
 
 build:

tests/profile.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+OUTPUT=${1:?"output file required"}
+
+SELF_DIR=$(cd $(dirname $0) && pwd) || exit 1
+CDIFF_PY=$SELF_DIR/../cdiff.py
+
+# To test with py3k: PYTHON=python3 make test
+PYTHON=${PYTHON:-python}
+
+set -o errexit
+STATS="stats.$$.tmp"
+
+for i in {1..100}; do cat "tests/svn/in.diff"; done \
+    | $PYTHON -m cProfile -o $STATS $CDIFF_PY -c always -s -w 60 \
+    > /dev/null
+
+$PYTHON -c "import pstats;  p = pstats.Stats('$STATS'); \
+    p.strip_dirs().sort_stats('time').print_stats('cdiff')" \
+    | tee $OUTPUT
+
+rm -f $STATS
+
+# vim:set et sts=4 sw=4: