[libvirt] [PATCH 08/13] src/qemu/qemu_driver.c: Init ftrace backend in qemu driver so that qemu driver can support ftrace
yangzy.fnst at cn.fujitsu.com
yangzy.fnst at cn.fujitsu.com
Mon Mar 10 08:17:22 UTC 2014
From: Xinghai Yu <yuxinghai at cn.fujitsu.com>
Signed-off-by: Xinghai Yu <yuxinghai at cn.fujitsu.com>
---
src/qemu/qemu_driver.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 9aad2dc..6c5299f 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -96,6 +96,10 @@
#include "viraccessapicheckqemu.h"
#include "storage/storage_driver.h"
+#ifdef WITH_FTRACE_PROBES
+# include "ftrace.h"
+#endif
+
#define VIR_FROM_THIS VIR_FROM_QEMU
#define QEMU_NB_MEM_PARAM 3
@@ -843,6 +847,12 @@ qemuStateInitialize(bool privileged,
virObjectUnref(conn);
virNWFilterRegisterCallbackDriver(&qemuCallbackDriver);
+
+#ifdef WITH_FTRACE_PROBES
+ if(!trace_backend_init())
+ goto error;
+#endif
+
return 0;
error:
--
1.8.3.1
More information about the libvir-list
mailing list