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Add a few more DTrace probes to the backend.

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Robert Lor
This commit is contained in:
Alvaro Herrera
2008-08-01 13:16:09 +00:00
parent 26e6991a2d
commit e36e6b1cab
16 changed files with 231 additions and 41 deletions
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7
src/backend/access/transam/subtrans.c
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@ -22,7 +22,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/access/transam/subtrans.c,v 1.22 2008/03/26 18:48:59 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/subtrans.c,v 1.23 2008/08/01 13:16:08 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -31,6 +31,7 @@
#include "access/slru.h"
#include "access/subtrans.h"
#include "access/transam.h"
#include "pg_trace.h"
#include "utils/snapmgr.h"
@ -265,7 +266,9 @@ ShutdownSUBTRANS(void)
* This is not actually necessary from a correctness point of view. We do
* it merely as a debugging aid.
*/
TRACE_POSTGRESQL_SUBTRANS_CHECKPOINT_START(false);
SimpleLruFlush(SubTransCtl, false);
TRACE_POSTGRESQL_SUBTRANS_CHECKPOINT_DONE(false);
}
/*
@ -281,7 +284,9 @@ CheckPointSUBTRANS(void)
* it merely to improve the odds that writing of dirty pages is done by
* the checkpoint process and not by backends.
*/
TRACE_POSTGRESQL_SUBTRANS_CHECKPOINT_START(true);
SimpleLruFlush(SubTransCtl, true);
TRACE_POSTGRESQL_SUBTRANS_CHECKPOINT_DONE(true);
}