Add a Oboe::API.profile method for custom function profiling.
Add a Oboe::API.profile method for custom function profiling.

appneta/ruby-traceview,boyang-li/oboe-ruby,appneta/ruby-traceview,boyang-li/oboe-ruby,tlunter/oboe-ruby,appneta/ruby-traceview,tlunter/oboe-ruby,boyang-li/oboe-ruby,tlunter/oboe-ruby,tlunter/oboe-ruby,boyang-li/oboe-ruby,appneta/ruby-traceview