From 92fa0578ee7cc6118487b386d9b85d8966e2771b Mon Sep 17 00:00:00 2001
From: William Cohen <wcohen@redhat.com>
Date: Wed, 2 Jul 2008 14:11:37 -0400
Subject: Add para-callgraph.stp and para-callgraph.meta.

---
 testsuite/systemtap.examples/para-callgraph.stp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 testsuite/systemtap.examples/para-callgraph.stp

(limited to 'testsuite/systemtap.examples/para-callgraph.stp')

diff --git a/testsuite/systemtap.examples/para-callgraph.stp b/testsuite/systemtap.examples/para-callgraph.stp
new file mode 100644
index 00000000..1afb8837
--- /dev/null
+++ b/testsuite/systemtap.examples/para-callgraph.stp
@@ -0,0 +1,20 @@
+function trace(entry_p) {
+   if(tid() in trace)
+       printf("%s%s%s\n",thread_indent(entry_p),
+		       	 (entry_p>0?"->":"<-"),
+		         probefunc())
+}
+
+global trace
+probe kernel.function(@1).call {
+   if (execname() == "stapio") next # skip our own helper process
+   trace[tid()] = 1
+   trace(1)
+}
+probe kernel.function(@1).return {
+   trace(-1)
+   delete trace[tid()]
+}
+
+probe kernel.function(@2).call { trace(1) }
+probe kernel.function(@2).return { trace(-1) }
-- 
cgit