[libvirt] [PATCH 10/13] src/util/iohelper.c: Init ftrace backend in program 'libvirt_iohelper'

[yangzy.fnst at cn.fujitsu.com]

From: Xinghai Yu <yuxinghai at cn.fujitsu.com>

Signed-off-by: Xinghai Yu <yuxinghai at cn.fujitsu.com>
---
 src/util/iohelper.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/util/iohelper.c b/src/util/iohelper.c
index 9610063..3b33c07 100644
--- a/src/util/iohelper.c
+++ b/src/util/iohelper.c
@@ -42,6 +42,10 @@
 #include "virrandom.h"
 #include "virstring.h"
 
+#ifdef WITH_FTRACE_PROBES
+# include "ftrace.h"
+#endif
+
 #define VIR_FROM_THIS VIR_FROM_STORAGE
 
 static int
@@ -243,6 +247,11 @@ main(int argc, char **argv)
         exit(EXIT_FAILURE);
     }
 
+#ifdef WITH_FTRACE_PROBES
+    if(!trace_backend_init())
+        exit(EXIT_FAILURE);
+#endif
+
     path = argv[1];
 
     if (argc > 1 && STREQ(argv[1], "--help"))
-- 
1.8.3.1