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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 parent496c90b commit93834a2Copy full SHA for 93834a2

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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
`@@ -3293,9 +3293,11 @@ printResults(TState threads, StatsData total, instr_time total_time,`
`3293`	`3293`	`if (throttle_delay\|\|progress\|\|latency_limit)`
`3294`	`3294`	`printSimpleStats("latency",&total->latency);`
`3295`	`3295`	`else`
`3296`		`-/* only an average latency computed from the duration is available */`
	`3296`	`+{`
	`3297`	`+/* no measurement, show average latency computed from run time */`
`3297`	`3298`	`printf("latency average: %.3f ms\n",`
`3298`		`-1000.0durationnclients /total->cnt);`
	`3299`	`+1000.0time_includenclients /total->cnt);`
	`3300`	`+}`
`3299`	`3301`
`3300`	`3302`	`if (throttle_delay)`
`3301`	`3303`	`{`

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Commit93834a2

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`‎src/bin/pgbench/pgbench.c`

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