[libvirt] [PATCH 08/13] src/qemu/qemu_driver.c: Init ftrace backend in qemu driver so that qemu driver can support ftrace

From: Xinghai Yu <yuxinghai(a)cn.fujitsu.com&gt; Signed-off-by: Xinghai Yu <yuxinghai(a)cn.fujitsu.com&gt; --- 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