From 611ab8263198e3e8c2640cb4a3e1eb65e2037f96 Mon Sep 17 00:00:00 2001
From: Stan Cox <scox@redhat.com>
Date: Tue, 16 Jun 2009 10:59:25 -0400
Subject: Do not emit duplicate probes for kprobe/utrace cases.

* tapsets.cxx (dwarf_builder) Add probes_handled.
(dwarf_builder::build):  Use probes_handled to not emit duplicates.
---
 tapsets.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'tapsets.cxx')

diff --git a/tapsets.cxx b/tapsets.cxx
index 0da61d9e..5e9deb9b 100644
--- a/tapsets.cxx
+++ b/tapsets.cxx
@@ -658,6 +658,7 @@ struct dwarf_builder: public derived_probe_builder
 		     literal_map_t const & parameters,
 		     vector<derived_probe *> & finished_results);
 
+  set<string> probes_handled;
   struct probe_table
   {
   public:
@@ -3480,6 +3481,13 @@ dwarf_builder::build(systemtap_session & sess,
 	{
 	  do
 	    {
+	      set<string>::iterator pb;
+	      pb = probes_handled.find(probe_table.mark_name);
+	      if (pb == probes_handled.end())
+		probes_handled.insert (probe_table.mark_name);
+	      else
+		return;
+
 	      probe *new_base = new probe;
 	      *new_base = *base;
 	      
-- 
cgit