Ensure that pgstat knowns about XL background processes.

XL has two background processes of its own, the cluster monitor process and the
pooler process. This patch ensures that pgstat is aware of these additional
built-in background processes.

diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index 008502e48c4eef352fc022940e16682e68d238c9..288eb8efc6490f517c594124787bbfbc67bd86e5 100644 (file)
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -2931,6 +2931,12 @@ pgstat_bestart(void)
                        case WalReceiverProcess:
                                beentry->st_backendType = B_WAL_RECEIVER;
                                break;
+                       case PoolerProcess:
+                               beentry->st_backendType = B_PGXL_POOLER;
+                               break;
+                       case ClusterMonitorProcess:
+                               beentry->st_backendType = B_PGXL_CLUSTER_MONITOR;
+                               break;
                        default:
                                elog(FATAL, "unrecognized process type: %d",
                                         (int) MyAuxProcType);
@@ -4121,6 +4127,12 @@ pgstat_get_backend_desc(BackendType backendType)
                case B_WAL_WRITER:
                        backendDesc = "walwriter";
                        break;
+               case B_PGXL_POOLER:
+                       backendDesc = "pooler";
+                       break;
+               case B_PGXL_CLUSTER_MONITOR:
+                       backendDesc = "cluster monitor";
+                       break;
        }
 
        return backendDesc;

diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index 5f58effe6c35e2a643ab3fbcce02168167b33a75..ca40c572db175616952972db23182b6cdd48be28 100644 (file)
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -711,7 +711,9 @@ typedef enum BackendType
        B_STARTUP,
        B_WAL_RECEIVER,
        B_WAL_SENDER,
-       B_WAL_WRITER
+       B_WAL_WRITER,
+       B_PGXL_CLUSTER_MONITOR,
+       B_PGXL_POOLER
 } BackendType;