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| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2008-08-01 13:16:09 +0000 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2008-08-01 13:16:09 +0000 |
| commit | e36e6b1cabfe9a1c59226d4767ca924b6ed74908 (patch) | |
| tree | b9890c2de64fb0a835ed6fa462b7e91d8d6fcf53 /src/backend/utils/sort | |
| parent | 26e6991a2d73bf5c5d93453447d472176f5a5f67 (diff) | |
| download | postgresql-e36e6b1cabfe9a1c59226d4767ca924b6ed74908.tar.gz | |
Add a few more DTrace probes to the backend.
Robert Lor
Diffstat (limited to 'src/backend/utils/sort')
| -rw-r--r-- | src/backend/utils/sort/tuplesort.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/backend/utils/sort/tuplesort.c b/src/backend/utils/sort/tuplesort.c index 896ee71ee6..775840da18 100644 --- a/src/backend/utils/sort/tuplesort.c +++ b/src/backend/utils/sort/tuplesort.c @@ -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); /* |