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pgbench: Avoid unnecessary measurement of connection delays. 

Commit 547f04e734 changed pgbench so that it used the measurement result
of connection delays in its benchmark report only when -C/--connect option
is specified. But previously those delays were unnecessarily measured
even when that option is not specified. Which was a waste of cycles.
This commit improves pgbench so that it avoids such unnecessary measurement.

Back-patch to v14 where commit 547f04e734 first appeared.

Author: Yugo Nagata
Reviewed-by: Fabien COELHO, Asif Rehman, Fujii Masao
Discussion: https://postgr.es/m/20210614151155.a393bc7d8fed183e38c9f52a@sraoss.co.jp
This commit is contained in:
Fujii Masao 2021-08-30 21:35:24 +09:00
parent bad6cef32c
commit bfd4567b88
1 changed files with 1 additions and 8 deletions
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9
src/bin/pgbench/pgbench.c
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@ -6603,6 +6603,7 @@ threadRun(void *arg)
thread_start = pg_time_now();
thread->started_time = thread_start;
thread->conn_duration = 0;
last_report = thread_start;
next_report = last_report + (int64) 1000000 * progress;
@ -6626,14 +6627,6 @@ threadRun(void *arg)
goto done;
}
}
/* compute connection delay */
thread->conn_duration = pg_time_now() - thread->started_time;
}
else
{
/* no connection delay to record */
thread->conn_duration = 0;
}
/* GO */