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More fixes for 8.4 DTrace probes. Remove useless BUFFER_HIT/BUFFER_MISS

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probes --- the BUFFER_READ_DONE probe provides the same information and more
besides.  Expand the LOCK_WAIT_START/DONE probe arguments so that there's
actually some chance of telling what is being waited for.  Update and
clean up the documentation.
This commit is contained in:
Tom Lane
2009-03-23 01:52:38 +00:00
parent c242e6b6d4
commit 471913a6a5
5 changed files with 296 additions and 221 deletions
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8
src/backend/utils/probes.d
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@@ -3,7 +3,7 @@
*
* Copyright (c) 2006-2009, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/backend/utils/probes.d,v 1.8 2009/03/22 22:39:05 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/probes.d,v 1.9 2009/03/23 01:52:38 tgl Exp $
* ----------
*/
@@ -36,8 +36,8 @@ provider postgresql {
probe lwlock__condacquire(LWLockId, LWLockMode);
probe lwlock__condacquire__fail(LWLockId, LWLockMode);
probe lock__wait__start(unsigned int, LOCKMODE);
probe lock__wait__done(unsigned int, LOCKMODE);
probe lock__wait__start(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, LOCKMODE);
probe lock__wait__done(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, LOCKMODE);
probe query__parse__start(const char *);
probe query__parse__done(const char *);
@@ -59,8 +59,6 @@ provider postgresql {
probe buffer__flush__start(ForkNumber, BlockNumber, Oid, Oid, Oid);
probe buffer__flush__done(ForkNumber, BlockNumber, Oid, Oid, Oid);
probe buffer__hit(bool);
probe buffer__miss(bool);
probe buffer__checkpoint__start(int);
probe buffer__checkpoint__sync__start();
probe buffer__checkpoint__done();