diff --git a/testing/.gitignore b/testing/.gitignore
new file mode 100644
index 0000000000..a664c1d684
--- /dev/null
+++ b/testing/.gitignore
@@ -0,0 +1 @@
+coverage.log
diff --git a/testing/Makefile b/testing/Makefile
index 7f03a55f49..4b4e87d82f 100644
--- a/testing/Makefile
+++ b/testing/Makefile
@@ -3,6 +3,11 @@ DIRS=btest external
 
 all:
 	@for repo in $(DIRS); do (cd $$repo && make ); done
+	@cp btest/coverage.log `mktemp brocov.tmp.XXX`
+	@for f in external/*/coverage.log; do cp $$f `mktemp brocov.tmp.XXX`; done
+	@echo "Complete test suite code coverage:"
+	@./scripts/coverage-calc "brocov.tmp.*" coverage.log `pwd`
+	@rm -f brocov.tmp.*
 
 brief:
 	@for repo in $(DIRS); do (cd $$repo && make brief ); done
diff --git a/testing/external/subdir-btest.cfg b/testing/external/subdir-btest.cfg
index dd9a57c879..e24f89255a 100644
--- a/testing/external/subdir-btest.cfg
+++ b/testing/external/subdir-btest.cfg
@@ -17,3 +17,4 @@ TRACES=%(testbase)s/Traces
 SCRIPTS=%(testbase)s/../scripts
 DIST=%(testbase)s/../../..
 BUILD=%(testbase)s/../../../build
+BROFILER_FILE=%(testbase)s/.tmp/script-coverage