Revert "Remove unused wait events."

This reverts commit 671eb8f34404d24c8f16ae40e94becb38afd93bb. The removed
wait events are used by some extensions and removal of these would force a
recompile of those extensions. We don't want that for released branches.

Discussion: https://postgr.es/m/E1mdOBY-0005j2-QL@gemulon.postgresql.org

diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 7979536abb24cd63cf87785503d9e896ae16c54c..15e51f926803a76c9e6811d6ffbe69ff22f639c5 100644 (file)
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1549,6 +1549,22 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry><literal>WALWrite</literal></entry>
       <entry>Waiting for a write to a WAL file.</entry>
      </row>
+     <row>
+      <entry><literal>LogicalChangesRead</literal></entry>
+      <entry>Waiting for a read from a logical changes file.</entry>
+     </row>
+     <row>
+      <entry><literal>LogicalChangesWrite</literal></entry>
+      <entry>Waiting for a write to a logical changes file.</entry>
+     </row>
+     <row>
+      <entry><literal>LogicalSubxactRead</literal></entry>
+      <entry>Waiting for a read from a logical subxact file.</entry>
+     </row>
+     <row>
+      <entry><literal>LogicalSubxactWrite</literal></entry>
+      <entry>Waiting for a write to a logical subxact file.</entry>
+     </row>
     </tbody>
    </tgroup>
   </table>

diff --git a/src/backend/utils/activity/wait_event.c b/src/backend/utils/activity/wait_event.c
index d34c4cbdd42c96e37df40317883fd412c87c5592..6baf67740c7dd4823554abc27697ee00cd210340 100644 (file)
--- a/src/backend/utils/activity/wait_event.c
+++ b/src/backend/utils/activity/wait_event.c
@@ -714,6 +714,18 @@ pgstat_get_wait_io(WaitEventIO w)
                case WAIT_EVENT_WAL_WRITE:
                        event_name = "WALWrite";
                        break;
+               case WAIT_EVENT_LOGICAL_CHANGES_READ:
+                       event_name = "LogicalChangesRead";
+                       break;
+               case WAIT_EVENT_LOGICAL_CHANGES_WRITE:
+                       event_name = "LogicalChangesWrite";
+                       break;
+               case WAIT_EVENT_LOGICAL_SUBXACT_READ:
+                       event_name = "LogicalSubxactRead";
+                       break;
+               case WAIT_EVENT_LOGICAL_SUBXACT_WRITE:
+                       event_name = "LogicalSubxactWrite";
+                       break;
 
                        /* no default case, so that compiler will warn */
        }

diff --git a/src/include/utils/wait_event.h b/src/include/utils/wait_event.h
index 8661ab51a3ef3a897f483503c7dfae51d664d6f8..6c6ec2e7118fa35c846bfd580a837e00b31f1ab7 100644 (file)
--- a/src/include/utils/wait_event.h
+++ b/src/include/utils/wait_event.h
@@ -220,7 +220,11 @@ typedef enum
        WAIT_EVENT_WAL_READ,
        WAIT_EVENT_WAL_SYNC,
        WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN,
-       WAIT_EVENT_WAL_WRITE
+       WAIT_EVENT_WAL_WRITE,
+       WAIT_EVENT_LOGICAL_CHANGES_READ,
+       WAIT_EVENT_LOGICAL_CHANGES_WRITE,
+       WAIT_EVENT_LOGICAL_SUBXACT_READ,
+       WAIT_EVENT_LOGICAL_SUBXACT_WRITE
 } WaitEventIO;