react-render-logger 
Simple util for log component updates.
Possible reasons to use find way for eliminate unnecessary component updates after performance bottleneck are located via react-addons-perf or other instruments.
Usage
Changes tracking are very expensive operation, because every update trigger deep diff for all props and state elements. Library provide way to configure loggable components on in runtime.
// utils/renderLogger.js
import debug from 'debug';
import createLogger from 'react-render-logger';
const prefix = 'Tinnkoff:trace:performance:';
const enableChecker =
componentKey =>
debug(prefix + componentKey).enabled();
const renderLogger = createLogger(enableChecker);
export default renderLogger;// components/SomeComponent.jsx
import renderLogger from 'utils/renderLogger';
@renderLogger
class SomeComponent extends Component {
render() {
return null;
}
}
export default SomeComponent;