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Move TRACE calls into WaitOnLock()

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LockAcquire is a long and complex function. Pushing more stuff to its
subroutines makes it a little more manageable.

Reviewed-by: Maxim Orlov
Discussion: https://www.postgresql.org/message-id/7c2090cd-a72a-4e34-afaa-6dd2ef31440e@iki.fi
This commit is contained in:
Heikki Linnakangas 2024-11-04 16:21:01 +02:00
parent 0464f25b6a
commit 6ae0897e42
1 changed files with 14 additions and 15 deletions
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29
src/backend/storage/lmgr/lock.c
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@ -1100,23 +1100,8 @@ LockAcquireExtended(const LOCKTAG *locktag,
* case, because while trying to go to sleep, we may discover that we
* can acquire the lock immediately after all.
*/
TRACE_POSTGRESQL_LOCK_WAIT_START(locktag->locktag_field1,
locktag->locktag_field2,
locktag->locktag_field3,
locktag->locktag_field4,
locktag->locktag_type,
lockmode);
WaitOnLock(locallock, owner, dontWait);
TRACE_POSTGRESQL_LOCK_WAIT_DONE(locktag->locktag_field1,
locktag->locktag_field2,
locktag->locktag_field3,
locktag->locktag_field4,
locktag->locktag_type,
lockmode);
/*
* NOTE: do not do any material change of state between here and
* return. All required changes in locktable state must have been
@ -1860,6 +1845,13 @@ WaitOnLock(LOCALLOCK *locallock, ResourceOwner owner, bool dontWait)
LOCKMETHODID lockmethodid = LOCALLOCK_LOCKMETHOD(*locallock);
LockMethod lockMethodTable = LockMethods[lockmethodid];
TRACE_POSTGRESQL_LOCK_WAIT_START(locallock->tag.lock.locktag_field1,
locallock->tag.lock.locktag_field2,
locallock->tag.lock.locktag_field3,
locallock->tag.lock.locktag_field4,
locallock->tag.lock.locktag_type,
locallock->tag.mode);
LOCK_PRINT("WaitOnLock: sleeping on lock",
locallock->lock, locallock->tag.mode);
@ -1932,6 +1924,13 @@ WaitOnLock(LOCALLOCK *locallock, ResourceOwner owner, bool dontWait)
LOCK_PRINT("WaitOnLock: wakeup on lock",
locallock->lock, locallock->tag.mode);
TRACE_POSTGRESQL_LOCK_WAIT_DONE(locallock->tag.lock.locktag_field1,
locallock->tag.lock.locktag_field2,
locallock->tag.lock.locktag_field3,
locallock->tag.lock.locktag_field4,
locallock->tag.lock.locktag_type,
locallock->tag.mode);
}
/*