From: lizhipeng <qiuxinyidian@gmail.com>
Date: Fri, 22 Aug 2025 07:25:32 +0000 (+0800)
Subject: rados/lttng: add lttng open *tp.so failed error message
X-Git-Tag: testing/wip-vshankar-testing-20250915.121327-debug~3^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=9a4a6cfe3fc0e9808a834510d207ccd6d754b0fa;p=ceph-ci.git

rados/lttng: add lttng open *tp.so failed error message
fixes:https://tracker.ceph.com/issues/72059

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

diff --git a/src/common/TracepointProvider.cc b/src/common/TracepointProvider.cc
index 413f4e8c4a9..6c7c1037fb1 100644
--- a/src/common/TracepointProvider.cc
+++ b/src/common/TracepointProvider.cc
@@ -3,6 +3,7 @@
 
 #include "common/TracepointProvider.h"
 #include "common/config.h"
+#include "common/dout.h"
 
 TracepointProvider::TracepointProvider(CephContext *cct, const char *library,
                                        const char *config_key)
@@ -40,6 +41,10 @@ void TracepointProvider::verify_config(const ConfigProxy& conf) {
   }
 
   m_handle = dlopen(m_library.c_str(), RTLD_NOW | RTLD_NODELETE);
+  if (!m_handle) {
+    lderr(m_cct) << __func__ << " failed dlopen(): "<< m_library.c_str() <<", "
+    << dlerror()  << dendl;
+   } 
   ceph_assert(m_handle);
 }