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| author | Robert Haas <rhaas@postgresql.org> | 2012-02-22 20:33:05 -0500 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2012-02-22 20:33:05 -0500 |
| commit | 2254367435fcc4a31cc3b6d8324e33c5c30f265a (patch) | |
| tree | 484dc972b60dd19f03cf15c30869a1566c576848 /src/backend/storage/buffer/localbuf.c | |
| parent | f74f9a277c37b42c570ce01019f815abbec58ba0 (diff) | |
| download | postgresql-2254367435fcc4a31cc3b6d8324e33c5c30f265a.tar.gz postgresql-2254367435fcc4a31cc3b6d8324e33c5c30f265a.zip | |
Make EXPLAIN (BUFFERS) track blocks dirtied, as well as those written.
Also expose the new counters through pg_stat_statements.
Patch by me. Review by Fujii Masao and Greg Smith.
Diffstat (limited to 'src/backend/storage/buffer/localbuf.c')
| -rw-r--r-- | src/backend/storage/buffer/localbuf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/storage/buffer/localbuf.c b/src/backend/storage/buffer/localbuf.c index 096d36a233b..63c14f7300c 100644 --- a/src/backend/storage/buffer/localbuf.c +++ b/src/backend/storage/buffer/localbuf.c @@ -276,6 +276,10 @@ MarkLocalBufferDirty(Buffer buffer) Assert(LocalRefCount[bufid] > 0); bufHdr = &LocalBufferDescriptors[bufid]; + + if (!(bufHdr->flags & BM_DIRTY)) + pgBufferUsage.local_blks_dirtied++; + bufHdr->flags |= BM_DIRTY; } |