diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/transam/xlog.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 7e81ce4f173..8dd225c2e14 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -8688,6 +8688,39 @@ UpdateCheckPointDistanceEstimate(uint64 nbytes) } /* + * Update the ps display for a process running a checkpoint. Note that + * this routine should not do any allocations so as it can be called + * from a critical section. + */ +static void +update_checkpoint_display(int flags, bool restartpoint, bool reset) +{ + /* + * The status is reported only for end-of-recovery and shutdown + * checkpoints or shutdown restartpoints. Updating the ps display is + * useful in those situations as it may not be possible to rely on + * pg_stat_activity to see the status of the checkpointer or the startup + * process. + */ + if ((flags & (CHECKPOINT_END_OF_RECOVERY | CHECKPOINT_IS_SHUTDOWN)) == 0) + return; + + if (reset) + set_ps_display(""); + else + { + char activitymsg[128]; + + snprintf(activitymsg, sizeof(activitymsg), "performing %s%s%s", + (flags & CHECKPOINT_END_OF_RECOVERY) ? "end-of-recovery " : "", + (flags & CHECKPOINT_IS_SHUTDOWN) ? "shutdown " : "", + restartpoint ? "restartpoint" : "checkpoint"); + set_ps_display(activitymsg); + } +} + + +/* * Perform a checkpoint --- either during shutdown, or on-the-fly * * flags is a bitwise OR of the following: @@ -8905,6 +8938,9 @@ CreateCheckPoint(int flags) if (log_checkpoints) LogCheckpointStart(flags, false); + /* Update the process title */ + update_checkpoint_display(flags, false, false); + TRACE_POSTGRESQL_CHECKPOINT_START(flags); /* @@ -9120,6 +9156,9 @@ CreateCheckPoint(int flags) /* Real work is done, but log and update stats before releasing lock. */ LogCheckpointEnd(false); + /* Reset the process title */ + update_checkpoint_display(flags, false, true); + TRACE_POSTGRESQL_CHECKPOINT_DONE(CheckpointStats.ckpt_bufs_written, NBuffers, CheckpointStats.ckpt_segs_added, @@ -9374,6 +9413,9 @@ CreateRestartPoint(int flags) if (log_checkpoints) LogCheckpointStart(flags, true); + /* Update the process title */ + update_checkpoint_display(flags, true, false); + CheckPointGuts(lastCheckPoint.redo, flags); /* @@ -9492,6 +9534,9 @@ CreateRestartPoint(int flags) /* Real work is done, but log and update before releasing lock. */ LogCheckpointEnd(true); + /* Reset the process title */ + update_checkpoint_display(flags, true, true); + xtime = GetLatestXTime(); ereport((log_checkpoints ? LOG : DEBUG2), (errmsg("recovery restart point at %X/%X", |