1 files changed, 3 insertions, 0 deletions
diff --git a/test/Makefile b/test/Makefile
index 25c8e0a82a0..52980b9e8b9 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -147,6 +147,9 @@ help:
 	@echo "                             TEST='*.*.test_add_bfd' selects all test functions named test_add_bfd from all files/classes"
 	@echo ""
 	@echo " VPP_ZOMBIE_NOCHECK=1 - skip checking for vpp (zombie) processes (CAUTION)"
+	@echo " COREDUMP_SIZE=<size> - pass <size> as unix { coredump-size <size> } argument to vpp"
+	@echo "                        e.g. COREDUMP_SIZE=4g"
+	@echo "                             COREDUMP_SIZE=unlimited"
 	@echo ""
 	@echo "Creating test documentation"
 	@echo " test-doc            - generate documentation for test framework"