Add wait events for checkpoint delay mechanism. When MyProc->delayChkptFlags is set to temporarily block phase transitions in a concurrent checkpoint, the checkpointer enters a sleep-poll loop to wait for the flag to be cleared. We should show that as a wait event in the pg_stat_activity view.
Reviewed-by: Robert Haas <robertmh...@gmail.com> Reviewed-by: Michael Paquier <mich...@paquier.xyz> Discussion: https://postgr.es/m/CA%2BhUKGL7Whi8iwKbzkbn_1fixH3Yy8aAPz7mfq6Hpj7FeJrKMg%40mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/0013ba290b6684d095d93517ff2ca1fadf79bdb9 Modified Files -------------- src/backend/access/transam/xlog.c | 4 ++++ src/backend/utils/activity/wait_event_names.txt | 2 ++ 2 files changed, 6 insertions(+)