diff --git a/Makefile b/Makefile
index eac0f922d..b843cb080 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,27 @@
 build: Tags
 	ghc --make hledger.hs
 
+profile:
+	ghc --make -prof -auto-all hledger.hs
+	hledger -s bal +RTS -p
+	T=`date +"%Y%m%d%H%M"`
+	echo $(T)
+	mv hledger.prof `date +"%Y%m%d%H%M"`.prof
+	hledger -s bal +RTS -px
+	mv hledger.prof `date +"%Y%m%d%H%M"`.xprof
+	echo $(T)
+	make xprof
+
+xprof:
+	ghcprof `ls -t1 *.xprof | head -1`
+
+haddock:
+	haddock -h -o doc *.hs
+
+update-overview:
+	runhaskell ./overview.hs >.ov; mv .ov OVERVIEW
+#	./overview >.ov; mv .ov OVERVIEW
+
 Tags:
 	hasktags *hs