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Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
-rw-r--r--src/backend/storage/buffer/bufmgr.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 4de6a7212cc..613d7544c63 100644
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -450,6 +450,7 @@ ReadBuffer_common(SMgrRelation smgr, char relpersistence, ForkNumber forkNum,
{
INSTR_TIME_SET_CURRENT(io_time);
INSTR_TIME_SUBTRACT(io_time, io_start);
+ pgstat_count_buffer_read_time(INSTR_TIME_GET_MICROSEC(io_time));
INSTR_TIME_ADD(pgBufferUsage.time_read, io_time);
}
@@ -1888,7 +1889,8 @@ FlushBuffer(volatile BufferDesc *buf, SMgrRelation reln)
{
XLogRecPtr recptr;
ErrorContextCallback errcontext;
- instr_time io_start, io_end;
+ instr_time io_start,
+ io_time;
/*
* Acquire the buffer's io_in_progress lock. If StartBufferIO returns
@@ -1947,8 +1949,10 @@ FlushBuffer(volatile BufferDesc *buf, SMgrRelation reln)
if (track_iotiming)
{
- INSTR_TIME_SET_CURRENT(io_end);
- INSTR_TIME_ACCUM_DIFF(pgBufferUsage.time_write, io_end, io_start);
+ INSTR_TIME_SET_CURRENT(io_time);
+ INSTR_TIME_SUBTRACT(io_time, io_start);
+ pgstat_count_buffer_write_time(INSTR_TIME_GET_MICROSEC(io_time));
+ INSTR_TIME_ADD(pgBufferUsage.time_write, io_time);
}
pgBufferUsage.shared_blks_written++;