doc/dev:update blkin.rst doc for lttng trace

fixes:https://tracker.ceph.com/issues/72059

Signed-off-by: lizhipeng <qiuxinyidian@gmail.com>

diff --git a/doc/dev/blkin.rst b/doc/dev/blkin.rst
index f4c045e19efb451004b40965c075e1c3fb2f6af4..5cd88f3251f6f69e415797865654ebdfe8cc0e2e 100644 (file)
--- a/doc/dev/blkin.rst
+++ b/doc/dev/blkin.rst
@@ -5,10 +5,17 @@
 Configuring Ceph with LTTng
 ===========================
 
-Use -DWITH_LTTNG option (default: ON)::
+if you compile code, please use -DWITH_LTTNG option (default: ON)::
 
   ./do_cmake -DWITH_LTTNG=ON
 
+If your Ceph deployment is package-based (YUM, DNF, APT) vs containerized, install the required software packages according to the module which you want to track， otherwise, it may cause a coredump due to missing *tp.solibrary files::
+
+  librbd-devel    
+  librgw-devel    
+  librados-devel  
+
+  
 Config option for tracing must be set to true in ceph.conf.
 Following options are currently available::