How to check log messages to be sure that the Performance Monitoring SDK is capturing performance events?
Enable debug logging by adding a <meta-data> element to AndroidManifest.xml
<application> <meta-data android:name="firebase_performance_logcat_enabled" android:value="true" /> </application>
Using logcat filtering by running the following command
adb logcat -s FirebasePerformance
Check for the following types of logs: