# Functions
InstrumentHandler wraps the provided http.Handler with metrics instrumentation.
# Variables
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FunctionExecutionDurationMilliseconds is a histogram of latencies for wasm function executions of user plugins.
FunctionExecutionDurationMillisecondsSummary is a summary of latencies for wasm function executions of user plugins.
FunctionExecutionsNum is a counter for number of function executions done in this runtime instance.
MetricsHandler is the handler for the /metrics endpoint.