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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2008-09-17 13:15:55 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2008-09-17 13:15:55 +0000 |
| commit | 35c2a3c3cf8ef497b090c9dbfae1bf565c62b2a3 (patch) | |
| tree | fa79e5ba6a59c64f31952ca0b445bed542c24585 /src/backend/storage/buffer | |
| parent | 32f159cc55bacad6a4737d3584cb69698c33fc86 (diff) | |
| download | postgresql-35c2a3c3cf8ef497b090c9dbfae1bf565c62b2a3.tar.gz postgresql-35c2a3c3cf8ef497b090c9dbfae1bf565c62b2a3.zip | |
Allow ShowBufferUsage() to report the number of reads/writes that have
occurred to temporary files. This replaces the unused
NDirectFileRead/NDirectFileWrite counters.
Itagaki Takahiro
Diffstat (limited to 'src/backend/storage/buffer')
| -rw-r--r-- | src/backend/storage/buffer/buf_init.c | 4 | ||||
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 14 |
2 files changed, 7 insertions, 11 deletions
diff --git a/src/backend/storage/buffer/buf_init.c b/src/backend/storage/buffer/buf_init.c index 7e92af04a16..93c47af5963 100644 --- a/src/backend/storage/buffer/buf_init.c +++ b/src/backend/storage/buffer/buf_init.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.80 2008/01/01 19:45:51 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.81 2008/09/17 13:15:55 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -29,6 +29,8 @@ long int BufferHitCount; long int LocalBufferHitCount; long int BufferFlushCount; long int LocalBufferFlushCount; +long int BufFileReadCount; +long int BufFileWriteCount; /* diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 281d23136dd..46b4e0afa4e 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.237 2008/08/11 11:05:11 heikki Exp $ + * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.238 2008/09/17 13:15:55 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -64,12 +64,6 @@ bool zero_damaged_pages = false; int bgwriter_lru_maxpages = 100; double bgwriter_lru_multiplier = 2.0; - -long NDirectFileRead; /* some I/O's are direct file access. bypass - * bufmgr */ -long NDirectFileWrite; /* e.g., I/O in psort and hashjoin. */ - - /* local state for StartBufferIO and related functions */ static volatile BufferDesc *InProgressBuf = NULL; static bool IsForInput; @@ -1572,7 +1566,7 @@ ShowBufferUsage(void) ReadLocalBufferCount - LocalBufferHitCount, LocalBufferFlushCount, localhitrate); appendStringInfo(&str, "!\tDirect blocks: %10ld read, %10ld written\n", - NDirectFileRead, NDirectFileWrite); + BufFileReadCount, BufFileWriteCount); return str.data; } @@ -1586,8 +1580,8 @@ ResetBufferUsage(void) LocalBufferHitCount = 0; ReadLocalBufferCount = 0; LocalBufferFlushCount = 0; - NDirectFileRead = 0; - NDirectFileWrite = 0; + BufFileReadCount = 0; + BufFileWriteCount = 0; } /* |