[#BloombergLP-balb-PerformanceMonitor-setCollectionInterval]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balb.adoc[balb]::xref:BloombergLP/balb/PerformanceMonitor.adoc[PerformanceMonitor]::setCollectionInterval
:relfileprefix: ../../../
:mrdocs:

Set the automatic statistics collection interval, in seconds.

== Synopsis

Declared in `<balb_performancemonitor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
setCollectionInterval(double interval);
----

== Description

Set the specified time `interval`, in seconds, after which statistics for each registered pid are automatically collected. The behavior is undefined unless a scheduler was supplied at the construction of this performance monitor. A non‐positive `interval` value indicates that performance statistics should not be automatically collected‐‐in this case the user is responsible for manually calling the `collect` function.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *interval*
| seconds between automatic collections; non‐positive disables automatic collection
|===


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