From 2649e13ce4e304e962049b25d07c9c522d5b5be3 Mon Sep 17 00:00:00 2001
From: Wenji Huang <wenji.huang@oracle.com>
Date: Mon, 31 Aug 2009 22:47:12 -0400
Subject: Provide accurate error message for failed utrace probe

* tapset-utrace.cxx(emit_module_init): Set probe_point.
---
 tapset-utrace.cxx | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'tapset-utrace.cxx')

diff --git a/tapset-utrace.cxx b/tapset-utrace.cxx
index 0fc02d6e..6872c87c 100644
--- a/tapset-utrace.cxx
+++ b/tapset-utrace.cxx
@@ -979,7 +979,9 @@ utrace_derived_probe_group::emit_module_init (systemtap_session& s)
   s.op->newline() << "for (i=0; i<ARRAY_SIZE(stap_utrace_probes); i++) {";
   s.op->indent(1);
   s.op->newline() << "struct stap_utrace_probe *p = &stap_utrace_probes[i];";
+  s.op->newline() << "probe_point = p->pp;"; // for error messages
   s.op->newline() << "rc = stap_register_task_finder_target(&p->tgt);";
+  s.op->newline() << "if (rc) break;";
   s.op->newline(-1) << "}";
 
   // rollback all utrace probes
-- 
cgit