diff --git a/benchmarking/mod/benchmark.py b/benchmarking/mod/benchmark.py
index 4d87a28..e387813 100644
--- a/benchmarking/mod/benchmark.py
+++ b/benchmarking/mod/benchmark.py
@@ -196,7 +196,7 @@ def run(self):
             common.pdsh(user, nodes, "ps aux | grep ceph-osd | grep -v 'grep' | awk '{print $2}' | while read pid;do strace -ttt -T -e trace=desc -p ${pid} -o %s/`hostname`_strace_${pid}.txt 2>&1 > %s/`hostname`_strace_${pid}.log & done" % (dest_dir, dest_dir), option="force")
         if "lttng" in self.cluster["collector"]:
             common.printout("LOG","Start lttng data collector under %s " % nodes)
-            common.pdsh(user, nodes, "export HOME='%s'; lttng destroy 2>/dev/null; lttng create zipkin; lttng enable-channel channel0 -u --buffers-pid; lttng enable-event -c channel0 --userspace zipkin:*; lttng start;" % (dest_dir))
+            common.pdsh(user, nodes, "export HOME='%s'; lttng destroy 2>/dev/null; lttng create osd; lttng enable-channel channel0 -u --buffers-pid; lttng add-context -u -t vpid -t procname; lttng enable-event -c channel0 -u -a; lttng start;" % (dest_dir))
         need_smart_dict = {}
         for node in nodes:
             nvme_devs = []