Index: trunk/ippTools/src/stacktool.c
===================================================================
--- trunk/ippTools/src/stacktool.c	(revision 19257)
+++ trunk/ippTools/src/stacktool.c	(revision 19260)
@@ -520,4 +520,7 @@
     PS_ASSERT_PTR_NON_NULL(config, false);
 
+    // XXX require at least a stack id (add better search options)
+    PXOPT_LOOKUP_S64(stack_id, config->args, "-stack_id", true, false);
+
     psMetadata *where = psMetadataAlloc();
     PXOPT_COPY_S64(config->args, where, "-warp_id", "warp_id", "==");
Index: trunk/ippTools/src/stacktoolConfig.c
===================================================================
--- trunk/ippTools/src/stacktoolConfig.c	(revision 19257)
+++ trunk/ippTools/src/stacktoolConfig.c	(revision 19260)
@@ -98,4 +98,5 @@
 
     // -inputskyfile
+    // XXX add additional search terms
     psMetadata *inputskyfileArgs = psMetadataAlloc();
     psMetadataAddS64(inputskyfileArgs, PS_LIST_TAIL, "-stack_id", 0,            "search by stack ID", 0);