diff --git a/ext/objspace/lib/objspace/trace.rb b/ext/objspace/lib/objspace/trace.rb
new file mode 100644
index 0000000000..fa122e3eb1
--- /dev/null
+++ b/ext/objspace/lib/objspace/trace.rb
@@ -0,0 +1,19 @@
+require 'objspace.so'
+
+module Kernel
+  define_method(:p) do |*objs|
+    objs.each do |obj|
+      file = ObjectSpace.allocation_sourcefile(obj)
+      line = ObjectSpace.allocation_sourceline(obj)
+      if file
+        puts "#{ obj.inspect } @ #{ file }:#{ line }"
+      else
+        puts obj.inspect
+      end
+    end
+  end
+end
+
+ObjectSpace.trace_object_allocations_start
+
+warn "objspace/trace is enabled"