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Rename dtrace probes for ongoing xlog -> wal conversion. 

xlog-switch becomes wal-switch, and xlog-insert becomes wal-insert.
This commit is contained in:
Robert Haas 2017-02-09 16:40:19 -05:00
parent 85c11324ca
commit 3f01fd4ca0
4 changed files with 6 additions and 6 deletions
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4
doc/src/sgml/monitoring.sgml
View File

@ -3349,14 +3349,14 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
<entry>Probe that fires when a dirty WAL buffer write is complete.</entry>
</row>
<row>
<entry><literal>xlog-insert</literal></entry>
<entry><literal>wal-insert</literal></entry>
<entry><literal>(unsigned char, unsigned char)</literal></entry>
<entry>Probe that fires when a WAL record is inserted.
arg0 is the resource manager (rmid) for the record.
arg1 contains the info flags.</entry>
</row>
<row>
<entry><literal>xlog-switch</literal></entry>
<entry><literal>wal-switch</literal></entry>
<entry><literal>()</literal></entry>
<entry>Probe that fires when a WAL segment switch is requested.</entry>
</row>

2
src/backend/access/transam/xlog.c
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@ -1114,7 +1114,7 @@ XLogInsertRecord(XLogRecData *rdata,
*/
if (isLogSwitch)
{
TRACE_POSTGRESQL_XLOG_SWITCH();
TRACE_POSTGRESQL_WAL_SWITCH();
XLogFlush(EndPos);
/*

2
src/backend/access/transam/xloginsert.c
View File

@ -429,7 +429,7 @@ XLogInsert(RmgrId rmid, uint8 info)
XLR_CHECK_CONSISTENCY)) != 0)
elog(PANIC, "invalid xlog info mask %02X", info);
TRACE_POSTGRESQL_XLOG_INSERT(rmid, info);
TRACE_POSTGRESQL_WAL_INSERT(rmid, info);
/*
* In bootstrap mode, we don't actually log anything but XLOG resources;

4
src/backend/utils/probes.d
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@ -87,8 +87,8 @@ provider postgresql {
probe smgr__md__write__start(ForkNumber, BlockNumber, Oid, Oid, Oid, int);
probe smgr__md__write__done(ForkNumber, BlockNumber, Oid, Oid, Oid, int, int, int);
probe xlog__insert(unsigned char, unsigned char);
probe xlog__switch();
probe wal__insert(unsigned char, unsigned char);
probe wal__switch();
probe wal__buffer__write__dirty__start();
probe wal__buffer__write__dirty__done();
};