FromRequest takes a registry (usually the Default registry), an incoming path, and optional query parameters, and returns a Result if possible.

FuncsDot finds all of the Funcs known by Registry r and writes information about them in the dot graphics file format to w.

FuncsJSON finds all of the Funcs known by Registry r and writes information about them in the JSON format to w.

FuncsText finds all of the Funcs known by Registry r and writes information about them in a plain text format to w.

HTTP makes an http.Handler out of a Registry.

SpansDot finds all of the current Spans known by Registry r and writes information about them in the dot graphics file format to w.

SpansJSON finds all of the current Spans known by Registry r and writes information about them in the JSON format to w.

SpansText finds all of the current Spans known by Registry r and writes information about them in a plain text format to w.

SpansToJSON turns a list of FinishedSpans into JSON format.

SpansToSVG takes a list of FinishedSpans and writes them to w in SVG format.

StatsJSON writes all of the name/value statistics pairs the Registry knows to w in a JSON format.

StatsOld is deprecated.

StatsText writes all of the name/value statistics pairs the Registry knows to w in a text format.

TraceQueryJSON uses WatchForSpans to write all Spans from 'reg' matching 'matcher' to 'w' in JSON format.

TraceQuerySVG uses WatchForSpans to write all Spans from 'reg' matching 'matcher' to 'w' in SVG format.

Result writes the expected data to io.Writer and returns any errors if found.