[#BloombergLP-balb-PerformanceMonitor-2constructor-0d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balb.adoc[balb]::xref:BloombergLP/balb/PerformanceMonitor.adoc[PerformanceMonitor]::PerformanceMonitor
:relfileprefix: ../../../
:mrdocs:

Create an instance of this class to collect performance statistics on demand (via the `collect` method). Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used.

== Synopsis

Declared in `<balb_performancemonitor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
PerformanceMonitor(xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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