more stuff

src/core/ext/transport/chttp2/transport/chttp2_transport.cc

@@ -240,7 +240,6 @@ static void init_transport(grpc_chttp2_transport* t,
   size_t i;
   int j;
 
-  grpc_tcp_set_write_timestamps_callback(grpc_core::ContextList::Execute);
   GPR_ASSERT(strlen(GRPC_CHTTP2_CLIENT_CONNECT_STRING) ==
              GRPC_CHTTP2_CLIENT_CONNECT_STRLEN);
 

src/core/ext/transport/chttp2/transport/context_list.cc

@@ -37,8 +37,9 @@ void ContextList::Execute(void* arg, grpc_core::Timestamps* ts,
       }
     }
     gpr_log(GPR_INFO, "one iteration %p %p", head, arg);
-    // GRPC_CHTTP2_STREAM_UNREF(static_cast<grpc_chttp2_stream *>(head->s),
-    // "timestamp exec");
+    GRPC_CHTTP2_STREAM_UNREF(static_cast<grpc_chttp2_stream *>(head->s),
+     "timestamp exec");
+    //grpc_stream_unref(head->s->refcount);
     ptr = head;
     head = head->next;
     gpr_free(ptr);

src/core/ext/transport/chttp2/transport/context_list.h

@@ -34,7 +34,8 @@ class ContextList {
   static void Append(ContextList** head, grpc_chttp2_stream* s) {
     /* Make sure context is not already present */
     ContextList* ptr = *head;
-    // GRPC_CHTTP2_STREAM_REF(s, "timestamp");
+    GRPC_CHTTP2_STREAM_REF(s, "timestamp");
+    //grpc_stream_ref(s->refcount);
     while (ptr != nullptr) {
       if (ptr->s == s) {
         GPR_ASSERT(false);

src/core/lib/iomgr/iomgr.cc

@@ -33,6 +33,8 @@
 #include "src/core/lib/gpr/string.h"
 #include "src/core/lib/gpr/useful.h"
 #include "src/core/lib/gprpp/thd.h"
+#include "src/core/ext/transport/chttp2/transport/context_list.h"
+#include "src/core/lib/iomgr/buffer_list.h"
 #include "src/core/lib/iomgr/exec_ctx.h"
 #include "src/core/lib/iomgr/executor.h"
 #include "src/core/lib/iomgr/iomgr_internal.h"
@@ -57,6 +59,7 @@ void grpc_iomgr_init() {
   g_root_object.name = (char*)"root";
   grpc_network_status_init();
   grpc_iomgr_platform_init();
+  grpc_tcp_set_write_timestamps_callback(grpc_core::ContextList::Execute);
 }
 
 void grpc_iomgr_start() { grpc_timer_manager_init(); }