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Fix pgbench's calculation of average latency, when -T is not used.

If the test duration was given in # of transactions (-t or no option),rather as a duration (-T), the latency average was always printed as 0.It has been broken ever since the display of latency average was added,in 9.4.Fabien CoelhoDiscussion: <alpine.DEB.2.20.1607131015370.7486@sto>

1 parent46b55e7 commit65c6556Copy full SHA for 65c6556

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src/bin/pgbench
- pgbench.c

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`‎src/bin/pgbench/pgbench.c`

Lines changed: 4 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -3296,9 +3296,11 @@ printResults(TState threads, StatsData total, instr_time total_time,`
`3296`	`3296`	`if (throttle_delay\|\|progress\|\|latency_limit)`
`3297`	`3297`	`printSimpleStats("latency",&total->latency);`
`3298`	`3298`	`else`
`3299`		`-/* only an average latency computed from the duration is available */`
	`3299`	`+{`
	`3300`	`+/* no measurement, show average latency computed from run time */`
`3300`	`3301`	`printf("latency average: %.3f ms\n",`
`3301`		`-1000.0durationnclients /total->cnt);`
	`3302`	`+1000.0time_includenclients /total->cnt);`
	`3303`	`+}`
`3302`	`3304`
`3303`	`3305`	`if (throttle_delay)`
`3304`	`3306`	`{`

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Commit65c6556

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`‎src/bin/pgbench/pgbench.c`

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