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path: root/src/backend/access/transam/xlog.c
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Diffstat (limited to 'src/backend/access/transam/xlog.c')
-rw-r--r--src/backend/access/transam/xlog.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index cdb3a8ac1dc..9480377611d 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -2456,7 +2456,9 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible)
do
{
errno = 0;
+ pgstat_report_wait_start(WAIT_EVENT_WAL_WRITE);
written = write(openLogFile, from, nleft);
+ pgstat_report_wait_end();
if (written <= 0)
{
if (errno == EINTR)
@@ -3207,6 +3209,7 @@ XLogFileInit(XLogSegNo logsegno, bool *use_existent, bool use_lock)
for (nbytes = 0; nbytes < XLogSegSize; nbytes += XLOG_BLCKSZ)
{
errno = 0;
+ pgstat_report_wait_start(WAIT_EVENT_WAL_INIT_WRITE);
if ((int) write(fd, zbuffer, XLOG_BLCKSZ) != (int) XLOG_BLCKSZ)
{
int save_errno = errno;
@@ -3225,8 +3228,10 @@ XLogFileInit(XLogSegNo logsegno, bool *use_existent, bool use_lock)
(errcode_for_file_access(),
errmsg("could not write to file \"%s\": %m", tmppath)));
}
+ pgstat_report_wait_end();
}
+ pgstat_report_wait_start(WAIT_EVENT_WAL_INIT_SYNC);
if (pg_fsync(fd) != 0)
{
close(fd);
@@ -3234,6 +3239,7 @@ XLogFileInit(XLogSegNo logsegno, bool *use_existent, bool use_lock)
(errcode_for_file_access(),
errmsg("could not fsync file \"%s\": %m", tmppath)));
}
+ pgstat_report_wait_end();
if (close(fd))
ereport(ERROR,
@@ -3360,6 +3366,7 @@ XLogFileCopy(XLogSegNo destsegno, TimeLineID srcTLI, XLogSegNo srcsegno,
if (nread > sizeof(buffer))
nread = sizeof(buffer);
errno = 0;
+ pgstat_report_wait_start(WAIT_EVENT_WAL_COPY_READ);
if (read(srcfd, buffer, nread) != nread)
{
if (errno != 0)
@@ -3372,8 +3379,10 @@ XLogFileCopy(XLogSegNo destsegno, TimeLineID srcTLI, XLogSegNo srcsegno,
(errmsg("not enough data in file \"%s\"",
path)));
}
+ pgstat_report_wait_end();
}
errno = 0;
+ pgstat_report_wait_start(WAIT_EVENT_WAL_COPY_WRITE);
if ((int) write(fd, buffer, sizeof(buffer)) != (int) sizeof(buffer))
{
int save_errno = errno;
@@ -3389,12 +3398,15 @@ XLogFileCopy(XLogSegNo destsegno, TimeLineID srcTLI, XLogSegNo srcsegno,
(errcode_for_file_access(),
errmsg("could not write to file \"%s\": %m", tmppath)));
}
+ pgstat_report_wait_end();
}
+ pgstat_report_wait_start(WAIT_EVENT_WAL_COPY_SYNC);
if (pg_fsync(fd) != 0)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not fsync file \"%s\": %m", tmppath)));
+ pgstat_report_wait_end();
if (CloseTransientFile(fd))
ereport(ERROR,
@@ -4414,6 +4426,7 @@ WriteControlFile(void)
XLOG_CONTROL_FILE)));
errno = 0;
+ pgstat_report_wait_start(WAIT_EVENT_CONTROL_FILE_WRITE);
if (write(fd, buffer, PG_CONTROL_SIZE) != PG_CONTROL_SIZE)
{
/* if write didn't set errno, assume problem is no disk space */
@@ -4423,11 +4436,14 @@ WriteControlFile(void)
(errcode_for_file_access(),
errmsg("could not write to control file: %m")));
}
+ pgstat_report_wait_end();
+ pgstat_report_wait_start(WAIT_EVENT_CONTROL_FILE_SYNC);
if (pg_fsync(fd) != 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not fsync control file: %m")));
+ pgstat_report_wait_end();
if (close(fd))
ereport(PANIC,
@@ -4453,10 +4469,12 @@ ReadControlFile(void)
errmsg("could not open control file \"%s\": %m",
XLOG_CONTROL_FILE)));
+ pgstat_report_wait_start(WAIT_EVENT_CONTROL_FILE_READ);
if (read(fd, ControlFile, sizeof(ControlFileData)) != sizeof(ControlFileData))
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not read from control file: %m")));
+ pgstat_report_wait_end();
close(fd);
@@ -4634,6 +4652,7 @@ UpdateControlFile(void)
XLOG_CONTROL_FILE)));
errno = 0;
+ pgstat_report_wait_start(WAIT_EVENT_CONTROL_FILE_WRITE_UPDATE);
if (write(fd, ControlFile, sizeof(ControlFileData)) != sizeof(ControlFileData))
{
/* if write didn't set errno, assume problem is no disk space */
@@ -4643,11 +4662,14 @@ UpdateControlFile(void)
(errcode_for_file_access(),
errmsg("could not write to control file: %m")));
}
+ pgstat_report_wait_end();
+ pgstat_report_wait_start(WAIT_EVENT_CONTROL_FILE_SYNC_UPDATE);
if (pg_fsync(fd) != 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not fsync control file: %m")));
+ pgstat_report_wait_end();
if (close(fd))
ereport(PANIC,
@@ -5036,6 +5058,7 @@ BootStrapXLOG(void)
/* Write the first page with the initial record */
errno = 0;
+ pgstat_report_wait_start(WAIT_EVENT_WAL_BOOTSTRAP_WRITE);
if (write(openLogFile, page, XLOG_BLCKSZ) != XLOG_BLCKSZ)
{
/* if write didn't set errno, assume problem is no disk space */
@@ -5045,11 +5068,14 @@ BootStrapXLOG(void)
(errcode_for_file_access(),
errmsg("could not write bootstrap transaction log file: %m")));
}
+ pgstat_report_wait_end();
+ pgstat_report_wait_start(WAIT_EVENT_WAL_BOOTSTRAP_SYNC);
if (pg_fsync(openLogFile) != 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not fsync bootstrap transaction log file: %m")));
+ pgstat_report_wait_end();
if (close(openLogFile))
ereport(PANIC,
@@ -9999,11 +10025,13 @@ assign_xlog_sync_method(int new_sync_method, void *extra)
*/
if (openLogFile >= 0)
{
+ pgstat_report_wait_start(WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN);
if (pg_fsync(openLogFile) != 0)
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not fsync log segment %s: %m",
XLogFileNameP(ThisTimeLineID, openLogSegNo))));
+ pgstat_report_wait_end();
if (get_sync_bit(sync_method) != get_sync_bit(new_sync_method))
XLogFileClose();
}
@@ -11456,10 +11484,12 @@ retry:
goto next_record_is_invalid;
}
+ pgstat_report_wait_start(WAIT_EVENT_WAL_READ);
if (read(readFile, readBuf, XLOG_BLCKSZ) != XLOG_BLCKSZ)
{
char fname[MAXFNAMELEN];
+ pgstat_report_wait_end();
XLogFileName(fname, curFileTLI, readSegNo);
ereport(emode_for_corrupt_record(emode, targetPagePtr + reqLen),
(errcode_for_file_access(),
@@ -11467,6 +11497,7 @@ retry:
fname, readOff)));
goto next_record_is_invalid;
}
+ pgstat_report_wait_end();
Assert(targetSegNo == readSegNo);
Assert(targetPageOff == readOff);