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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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5
src/backend/storage/lmgr/deadlock.c
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@@ -12,7 +12,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/deadlock.c,v 1.53 2008/03/24 18:22:36 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/deadlock.c,v 1.54 2008/08/01 13:16:09 alvherre Exp $
*
* Interface:
*
@@ -26,6 +26,7 @@
#include "postgres.h"
#include "miscadmin.h"
#include "pg_trace.h"
#include "pgstat.h"
#include "storage/lmgr.h"
#include "storage/proc.h"
@@ -222,6 +223,8 @@ DeadLockCheck(PGPROC *proc)
*/
int nSoftEdges;
TRACE_POSTGRESQL_DEADLOCK_FOUND();
nWaitOrders = 0;
if (!FindLockCycle(proc, possibleConstraints, &nSoftEdges))
elog(FATAL, "deadlock seems to have disappeared");