database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-09-09 13:09:39 +03:00
Code Activity

Add a few more DTrace probes to the backend.

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

19
src/backend/utils/sort/tuplesort.c
View File

@@ -91,7 +91,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplesort.c,v 1.85 2008/06/19 00:46:05 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/utils/sort/tuplesort.c,v 1.86 2008/08/01 13:16:09 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@@ -107,6 +107,7 @@
#include "catalog/pg_operator.h"
#include "commands/tablespace.h"
#include "miscadmin.h"
#include "pg_trace.h"
#include "utils/datum.h"
#include "utils/logtape.h"
#include "utils/lsyscache.h"
@@ -121,6 +122,11 @@
#ifdef TRACE_SORT
bool trace_sort = false;
#endif
#define HEAP_SORT 0
#define INDEX_SORT 1
#define DATUM_SORT 2
#ifdef DEBUG_BOUNDED_SORT
bool optimize_bounded_sort = true;
#endif
@@ -570,6 +576,8 @@ tuplesort_begin_heap(TupleDesc tupDesc,
nkeys, workMem, randomAccess ? 't' : 'f');
#endif
TRACE_POSTGRESQL_SORT_START(HEAP_SORT, false, nkeys, workMem, randomAccess);
state->nKeys = nkeys;
state->comparetup = comparetup_heap;
@@ -636,6 +644,8 @@ tuplesort_begin_index_btree(Relation indexRel,
state->nKeys = RelationGetNumberOfAttributes(indexRel);
TRACE_POSTGRESQL_SORT_START(INDEX_SORT, enforceUnique, state->nKeys, workMem, randomAccess);
state->comparetup = comparetup_index_btree;
state->copytup = copytup_index;
state->writetup = writetup_index;
@@ -714,6 +724,8 @@ tuplesort_begin_datum(Oid datumType,
workMem, randomAccess ? 't' : 'f');
#endif
TRACE_POSTGRESQL_SORT_START(DATUM_SORT, false, 1, workMem, randomAccess);
state->nKeys = 1; /* always a one-column sort */
state->comparetup = comparetup_datum;
@@ -825,6 +837,11 @@ tuplesort_end(Tuplesortstate *state)
}
#endif
TRACE_POSTGRESQL_SORT_DONE(state->tapeset,
(state->tapeset ? LogicalTapeSetBlocks(state->tapeset) :
(state->allowedMem - state->availMem + 1023) / 1024));
MemoryContextSwitchTo(oldcontext);
/*