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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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8
src/backend/access/transam/twophase.c
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/transam/twophase.c,v 1.43 2008/05/19 18:16:26 heikki Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/twophase.c,v 1.44 2008/08/01 13:16:08 alvherre Exp $
*
* NOTES
* Each global transaction is associated with a global transaction
@@ -51,6 +51,7 @@
#include "catalog/pg_type.h"
#include "funcapi.h"
#include "miscadmin.h"
#include "pg_trace.h"
#include "pgstat.h"
#include "storage/fd.h"
#include "storage/procarray.h"
@@ -1387,6 +1388,9 @@ CheckPointTwoPhase(XLogRecPtr redo_horizon)
*/
if (max_prepared_xacts <= 0)
return; /* nothing to do */
TRACE_POSTGRESQL_TWOPHASE_CHECKPOINT_START();
xids = (TransactionId *) palloc(max_prepared_xacts * sizeof(TransactionId));
nxids = 0;
@@ -1444,6 +1448,8 @@ CheckPointTwoPhase(XLogRecPtr redo_horizon)
}
pfree(xids);
TRACE_POSTGRESQL_TWOPHASE_CHECKPOINT_DONE();
}
/*