The SIS records the following statistics for each extension component that it invokes.

Upcalls — upcalls

Records the total number of…​

…​events that the SIS instance has attempted to deliver to the extension component.

Increments…​

…​whenever the SIS fires an event to the SLEE for the extension component.

Decrements…​

…​never.

Default rhino-stats view

delta

Downcalls — downcalls

Records the total number of…​

…​responses received by the SIS from the extension component.

Increments…​

…​whenever the extension component sends a response to the SIS for a previous request.

Decrements…​

…​never.

Default rhino-stats view

delta

Failures — failures

Records the total number of…​

…​extension component failures (such as no-response timeouts) the SIS instance has experienced while invoking extension components.

Increments…​

…​each time an extension component does not provide a response to an extension event for which it is required to do so within the timeout period specified for the extension component (or the default timeout period if none has been specified).

Decrements…​

…​never.

Default rhino-stats view

delta

Response time — responseTime

Samples…​

…​extension component response time.

When…​.

From the time the SIS instance fires an extension event to the extension component…​ to the time the extension component sends to the SIS its response to the event.

Calculates…​

Response time for extension components for every extension event the SIS fires.

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SIS Version 3.2