Index: trunk/ppStack/src/ppStackConvolve.c
===================================================================
--- trunk/ppStack/src/ppStackConvolve.c	(revision 30620)
+++ trunk/ppStack/src/ppStackConvolve.c	(revision 30874)
@@ -16,4 +16,6 @@
     psAssert(config, "Require configuration");
 
+    psTimerStart("PPSTACK_CONVOLVE");
+    
     psMetadata *recipe = psMetadataLookupMetadata(NULL, config->recipes, PPSTACK_RECIPE); // ppStack recipe
     psAssert(recipe, "We've thrown an error on this before.");
@@ -365,4 +367,9 @@
     psFree(renorms);
 
+    if (options->stats) {
+      psMetadataAddF32(options->stats, PS_LIST_TAIL, "TIME_CONVOLVE", 0,
+		       "Time to convolve input images", psTimerMark("PPSTACK_CONVOLVE"));
+    }
+    
     return true;
 }