Trace: provide elapsed time for event START_TRANSACTION
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Key: CORE-4450
URL: http://tracker.firebirdsql.org/browse/CORE-4450
Project: Firebird Core
Issue Type: Improvement
Components: TRACEMGR
Affects Versions: 3.0 Alpha 2
Reporter: Pavel Zotov
Priority: Minor
It will be useful to see the time which is spent for starting of Tx in case
when all attachments starts it with TIL = SNAPSHOT. Each Tx in such TIL must
get own copy of TIP's active part and this action can take non-zero time when
the gap (Next - OAT) has a big value and we have many concurrent attachments.
Currently we can`t see any info about elapsed time on START_TRANSACTION event:
. . .
2014-06-06T08:38:04.3700 (12862:0x7f1f86065988) START_TRANSACTION
oltp30 (ATT_4291, SYSDBA:NONE, NONE, TCPv4:192.168.43.96)
C:\MIX\firebird\fb25\bin\isql.exe:3772
(TRA_3513899, CONCURRENCY | WAIT | READ_WRITE)
2014-06-06T08:38:04.3710 (12862:0x7f1f86065988) PREPARE_STATEMENT
. . .
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