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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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11
src/backend/access/transam/multixact.c
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@@ -42,7 +42,7 @@
* 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/multixact.c,v 1.27 2008/01/01 19:45:46 momjian Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/multixact.c,v 1.28 2008/08/01 13:16:08 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@@ -53,10 +53,11 @@
#include "access/transam.h"
#include "access/xact.h"
#include "miscadmin.h"
#include "pg_trace.h"
#include "storage/backendid.h"
#include "storage/lmgr.h"
#include "utils/memutils.h"
#include "storage/procarray.h"
#include "utils/memutils.h"
/*
@@ -1497,8 +1498,10 @@ void
ShutdownMultiXact(void)
{
/* Flush dirty MultiXact pages to disk */
TRACE_POSTGRESQL_MULTIXACT_CHECKPOINT_START(false);
SimpleLruFlush(MultiXactOffsetCtl, false);
SimpleLruFlush(MultiXactMemberCtl, false);
TRACE_POSTGRESQL_MULTIXACT_CHECKPOINT_DONE(false);
}
/*
@@ -1526,6 +1529,8 @@ MultiXactGetCheckptMulti(bool is_shutdown,
void
CheckPointMultiXact(void)
{
TRACE_POSTGRESQL_MULTIXACT_CHECKPOINT_START(true);
/* Flush dirty MultiXact pages to disk */
SimpleLruFlush(MultiXactOffsetCtl, true);
SimpleLruFlush(MultiXactMemberCtl, true);
@@ -1540,6 +1545,8 @@ CheckPointMultiXact(void)
*/
if (!InRecovery)
TruncateMultiXact();
TRACE_POSTGRESQL_MULTIXACT_CHECKPOINT_DONE(true);
}
/*