1 files changed, 7 insertions, 6 deletions

diff --git a/src/core/lib/iomgr/buffer_list.cc b/src/core/lib/iomgr/buffer_list.cc
index d7884a5965..e20dab15b1 100644
--- a/src/core/lib/iomgr/buffer_list.cc
+++ b/src/core/lib/iomgr/buffer_list.cc
@@ -31,7 +31,6 @@
 namespace grpc_core {
 void TracedBuffer::AddNewEntry(TracedBuffer** head, uint32_t seq_no,
                                void* arg) {
-  gpr_log(GPR_INFO, "new entry %u", seq_no);
   GPR_DEBUG_ASSERT(head != nullptr);
   TracedBuffer* new_elem = New<TracedBuffer>(seq_no, arg);
   /* Store the current time as the sendmsg time. */
@@ -56,16 +55,21 @@ void fill_gpr_from_timestamp(gpr_timespec* gts, const struct timespec* ts) {
   gts->clock_type = GPR_CLOCK_REALTIME;
 }
 
+void default_timestamps_callback(void* arg, grpc_core::Timestamps* ts,
+                                 grpc_error* shudown_err) {
+  gpr_log(GPR_DEBUG, "Timestamps callback has not been registered");
+}
+
 /** The saved callback function that will be invoked when we get all the
  * timestamps that we are going to get for a TracedBuffer. */
 void (*timestamps_callback)(void*, grpc_core::Timestamps*,
-                            grpc_error* shutdown_err);
+                            grpc_error* shutdown_err) =
+    default_timestamps_callback;
 } /* namespace */
 
 void TracedBuffer::ProcessTimestamp(TracedBuffer** head,
                                     struct sock_extended_err* serr,
                                     struct scm_timestamping* tss) {
-  gpr_log(GPR_INFO, "process timestamp %u", serr->ee_data);
   GPR_DEBUG_ASSERT(head != nullptr);
   TracedBuffer* elem = *head;
   TracedBuffer* next = nullptr;
@@ -87,7 +91,6 @@ void TracedBuffer::ProcessTimestamp(TracedBuffer** head,
           /* Got all timestamps. Do the callback and free this TracedBuffer.
            * The thing below can be passed by value if we don't want the
            * restriction on the lifetime. */
-          gpr_log(GPR_INFO, "calling");
           timestamps_callback(elem->arg_, &(elem->ts_), GRPC_ERROR_NONE);
           next = elem->next_;
           Delete<TracedBuffer>(elem);
@@ -106,10 +109,8 @@ void TracedBuffer::Shutdown(TracedBuffer** head, void* remaining,
                             grpc_error* shutdown_err) {
   GPR_DEBUG_ASSERT(head != nullptr);
   TracedBuffer* elem = *head;
-  gpr_log(GPR_INFO, "shutdown");
   while (elem != nullptr) {
     timestamps_callback(elem->arg_, &(elem->ts_), shutdown_err);
-    gpr_log(GPR_INFO, "iter");
     auto* next = elem->next_;
     Delete<TracedBuffer>(elem);
     elem = next;