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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/storage/lmgr/lwlock.c
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@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.51 2008/03/17 19:44:41 petere Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lwlock.c,v 1.52 2008/08/01 13:16:09 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@@ -25,10 +25,10 @@
#include "access/multixact.h"
#include "access/subtrans.h"
#include "miscadmin.h"
#include "pg_trace.h"
#include "storage/ipc.h"
#include "storage/proc.h"
#include "storage/spin.h"
#include "pg_trace.h"
/* We use the ShmemLock spinlock to protect LWLockAssign */
@@ -448,7 +448,7 @@ LWLockAcquire(LWLockId lockid, LWLockMode mode)
block_counts[lockid]++;
#endif
TRACE_POSTGRESQL_LWLOCK_STARTWAIT(lockid, mode);
TRACE_POSTGRESQL_LWLOCK_WAIT_START(lockid, mode);
for (;;)
{
@@ -459,7 +459,7 @@ LWLockAcquire(LWLockId lockid, LWLockMode mode)
extraWaits++;
}
TRACE_POSTGRESQL_LWLOCK_ENDWAIT(lockid, mode);
TRACE_POSTGRESQL_LWLOCK_WAIT_DONE(lockid, mode);
LOG_LWDEBUG("LWLockAcquire", lockid, "awakened");