MCA/COMMON/UCX: added synonim to opal_mem_hook variable

- added synonim to opal_mem_hook variable to allow
  to print it in opal_info -a

Signed-off-by: Sergey Oblomov <sergeyo@mellanox.com>

ompi/mca/pml/ucx/pml_ucx_component.c

@@ -64,6 +64,7 @@ static int mca_pml_ucx_component_register(void)
                                            OPAL_INFO_LVL_3,
                                            MCA_BASE_VAR_SCOPE_LOCAL,
                                            &ompi_pml_ucx.num_disconnect);
+    opal_common_ucx_mca_var_register(&mca_pml_ucx_component.pmlm_version);
     return 0;
 }
 

opal/mca/common/ucx/common_ucx.c

@@ -34,6 +34,37 @@ static void opal_common_ucx_mem_release_cb(void *buf, size_t length,
     ucm_vm_munmap(buf, length);
 }
 
+OPAL_DECLSPEC void opal_common_ucx_mca_var_register(const mca_base_component_t *component)
+{
+    static int registered = 0;
+    static int hook_index;
+    if (!registered) {
+        mca_base_var_register("opal", "ucx", "*", "verbose",
+                              "Verbose level of the UCX components",
+                              MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
+                              OPAL_INFO_LVL_3, MCA_BASE_VAR_SCOPE_LOCAL,
+                              &opal_common_ucx.verbose);
+        mca_base_var_register("opal", "opal_common", "ucx", "progress_iterations",
+                              "Set number of calls of internal UCX progress calls per opal_progress call",
+                              MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
+                              OPAL_INFO_LVL_3, MCA_BASE_VAR_SCOPE_LOCAL,
+                              &opal_common_ucx.progress_iterations);
+        hook_index = mca_base_var_register("opal", "opal_common", "ucx", "opal_mem_hooks",
+                                           "Use OPAL memory hooks, instead of UCX internal memory hooks",
+                                           MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
+                                           OPAL_INFO_LVL_3,
+                                           MCA_BASE_VAR_SCOPE_LOCAL,
+                                           &opal_common_ucx.opal_mem_hooks);
+        registered = 1;
+    }
+    if (component) {
+        mca_base_var_register_synonym(hook_index, component->mca_project_name,
+                                      component->mca_type_name,
+                                      component->mca_component_name,
+                                      "opal_mem_hooks", 0);
+    }
+}
+
 OPAL_DECLSPEC void opal_common_ucx_mca_register(void)
 {
     opal_common_ucx.registered++;
@@ -42,23 +73,6 @@ OPAL_DECLSPEC void opal_common_ucx_mca_register(void)
         return;
     }
 
-    mca_base_var_register("opal", "opal_common", "ucx", "verbose",
-                          "Verbose level of the UCX components",
-                          MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
-                          OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_LOCAL,
-                          &opal_common_ucx.verbose);
-    mca_base_var_register("opal", "opal_common", "ucx", "progress_iterations",
-                          "Set number of calls of internal UCX progress calls per opal_progress call",
-                          MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
-                          OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_LOCAL,
-                          &opal_common_ucx.progress_iterations);
-    mca_base_var_register("opal", "opal_common", "ucx", "opal_mem_hooks",
-                          "Use OPAL memory hooks, instead of UCX internal memory hooks",
-                          MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
-                          OPAL_INFO_LVL_3,
-                          MCA_BASE_VAR_SCOPE_LOCAL,
-                          &opal_common_ucx.opal_mem_hooks);
-
     opal_common_ucx.output = opal_output_open(NULL);
     opal_output_set_verbosity(opal_common_ucx.output, opal_common_ucx.verbose);
 

opal/mca/common/ucx/common_ucx.h

@@ -73,6 +73,7 @@ OPAL_DECLSPEC void opal_common_ucx_empty_complete_cb(void *request, ucs_status_t
 OPAL_DECLSPEC int opal_common_ucx_mca_pmix_fence(ucp_worker_h worker);
 OPAL_DECLSPEC int opal_common_ucx_del_procs(opal_common_ucx_del_proc_t *procs, size_t count,
                                             size_t my_rank, size_t max_disconnect, ucp_worker_h worker);
+OPAL_DECLSPEC void opal_common_ucx_mca_var_register(const mca_base_component_t *component);
 
 static inline
 int opal_common_ucx_wait_request(ucs_status_ptr_t request, ucp_worker_h worker,

oshmem/mca/spml/ucx/spml_ucx_component.c

@@ -104,6 +104,8 @@ static int mca_spml_ucx_component_register(void)
                                     "Use non-blocking memory registration for shared heap",
                                     &mca_spml_ucx.heap_reg_nb);
 
+    opal_common_ucx_mca_var_register(&mca_spml_ucx_component.spmlm_version);
+
     return OSHMEM_SUCCESS;
 }