[ktap] [PATCH 4/6] scripts: add test script for stapsdt probes
- From: Azat Khuzhin <a3at.mail@xxxxxxxxx>
- To: ktap@xxxxxxxxxxxxx
- Date: Mon, 11 Nov 2013 19:02:23 +0400
The only library in /lib/x86_64-linux-gnu that have sdt notes is
libgcc_s on by machine, with unwind marker.
So this patch add a simple ktap script that use it.
Signed-off-by: Azat Khuzhin <a3at.mail@xxxxxxxxx>
---
scripts/userspace/gcc_unwind.kp | 9 +++++++++
1 file changed, 9 insertions(+)
create mode 100644 scripts/userspace/gcc_unwind.kp
diff --git a/scripts/userspace/gcc_unwind.kp b/scripts/userspace/gcc_unwind.kp
new file mode 100644
index 0000000..3586d62
--- /dev/null
+++ b/scripts/userspace/gcc_unwind.kp
@@ -0,0 +1,9 @@
+#!/usr/bin/env ktap
+
+#only tested in x86-64 system,
+#if you run this script in x86_32, change the libc path.
+
+trace stapsdt:/lib/x86_64-linux-gnu/libgcc_s.so.1:unwind {
+ print(execname(), argevent)
+}
+
--
1.8.4.rc3
Other related posts:
- » [ktap] [PATCH 4/6] scripts: add test script for stapsdt probes - Azat Khuzhin
