Improve engine startup/shutdown benchmarks

- Add contexts to give a better sense of benchmarked areas.
- Add missing benchmarks and adjust some begin/end points.
- Clean up names.
- Improve Android's internal benchmarks in a similar manner.

Co-authored-by: Fredia Huya-Kouadio <fhuya@meta.com>

platform/android/java/lib/src/org/godotengine/godot/Godot.kt

@@ -184,7 +184,7 @@ class Godot(private val context: Context) : SensorEventListener {
 			return
 		}
 
-		beginBenchmarkMeasure("Godot::onCreate")
+		beginBenchmarkMeasure("Startup", "Godot::onCreate")
 		try {
 			this.primaryHost = primaryHost
 			val activity = requireActivity()
@@ -286,7 +286,7 @@ class Godot(private val context: Context) : SensorEventListener {
 			initializationStarted = false
 			throw e
 		} finally {
-			endBenchmarkMeasure("Godot::onCreate");
+			endBenchmarkMeasure("Startup", "Godot::onCreate");
 		}
 	}
 
@@ -1016,13 +1016,13 @@ class Godot(private val context: Context) : SensorEventListener {
 	}
 
 	@Keep
-	private fun nativeBeginBenchmarkMeasure(label: String) {
-		beginBenchmarkMeasure(label)
+	private fun nativeBeginBenchmarkMeasure(scope: String, label: String) {
+		beginBenchmarkMeasure(scope, label)
 	}
 
 	@Keep
-	private fun nativeEndBenchmarkMeasure(label: String) {
-		endBenchmarkMeasure(label)
+	private fun nativeEndBenchmarkMeasure(scope: String, label: String) {
+		endBenchmarkMeasure(scope, label)
 	}
 
 	@Keep

platform/android/java/lib/src/org/godotengine/godot/GodotFragment.java

@@ -172,7 +172,7 @@ public class GodotFragment extends Fragment implements IDownloaderClient, GodotH
 
 	@Override
 	public void onCreate(Bundle icicle) {
-		BenchmarkUtils.beginBenchmarkMeasure("GodotFragment::onCreate");
+		BenchmarkUtils.beginBenchmarkMeasure("Startup", "GodotFragment::onCreate");
 		super.onCreate(icicle);
 
 		final Activity activity = getActivity();
@@ -180,7 +180,7 @@ public class GodotFragment extends Fragment implements IDownloaderClient, GodotH
 
 		godot = new Godot(requireContext());
 		performEngineInitialization();
-		BenchmarkUtils.endBenchmarkMeasure("GodotFragment::onCreate");
+		BenchmarkUtils.endBenchmarkMeasure("Startup", "GodotFragment::onCreate");
 	}
 
 	private void performEngineInitialization() {

platform/android/java/lib/src/org/godotengine/godot/utils/BenchmarkUtils.kt

@@ -41,7 +41,7 @@ import org.godotengine.godot.io.file.FileAccessFlags
 import org.godotengine.godot.io.file.FileAccessHandler
 import org.json.JSONObject
 import java.nio.ByteBuffer
-import java.util.concurrent.ConcurrentSkipListMap
+import java.util.Collections
 
 /**
  * Contains benchmark related utilities methods
@@ -51,44 +51,47 @@ private const val TAG = "GodotBenchmark"
 var useBenchmark = false
 var benchmarkFile = ""
 
-private val startBenchmarkFrom = ConcurrentSkipListMap<String, Long>()
-private val benchmarkTracker = ConcurrentSkipListMap<String, Double>()
+private val startBenchmarkFrom = Collections.synchronizedMap(LinkedHashMap<Pair<String, String>, Long>())
+private val benchmarkTracker = Collections.synchronizedMap(LinkedHashMap<Pair<String, String>, Double>())
 
 /**
- * Start measuring and tracing the execution of a given section of code using the given label.
+ * Start measuring and tracing the execution of a given section of code using the given label
+ * within the given scope.
  *
  * Must be followed by a call to [endBenchmarkMeasure].
  *
  * Note: Only enabled on 'editorDev' build variant.
  */
-fun beginBenchmarkMeasure(label: String) {
+fun beginBenchmarkMeasure(scope: String, label: String) {
 	if (BuildConfig.FLAVOR != "editor" || BuildConfig.BUILD_TYPE != "dev") {
 		return
 	}
-	startBenchmarkFrom[label] = SystemClock.elapsedRealtime()
+	val key = Pair(scope, label)
+	startBenchmarkFrom[key] = SystemClock.elapsedRealtime()
 
 	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-		Trace.beginAsyncSection(label, 0)
+		Trace.beginAsyncSection("[$scope] $label", 0)
 	}
 }
 
 /**
- * End measuring and tracing of the section of code with the given label.
+ * End measuring and tracing of the section of code with the given label within the given scope.
  *
  * Must be preceded by a call [beginBenchmarkMeasure]
  *
  * * Note: Only enabled on 'editorDev' build variant.
  */
-fun endBenchmarkMeasure(label: String) {
+fun endBenchmarkMeasure(scope: String, label: String) {
 	if (BuildConfig.FLAVOR != "editor" || BuildConfig.BUILD_TYPE != "dev") {
 		return
 	}
-	val startTime = startBenchmarkFrom[label] ?: return
+	val key = Pair(scope, label)
+	val startTime = startBenchmarkFrom[key] ?: return
 	val total = SystemClock.elapsedRealtime() - startTime
-	benchmarkTracker[label] = total / 1000.0
+	benchmarkTracker[key] = total / 1_000.0
 
 	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-		Trace.endAsyncSection(label, 0)
+		Trace.endAsyncSection("[$scope] $label", 0)
 	}
 }
 
@@ -107,8 +110,16 @@ fun dumpBenchmark(fileAccessHandler: FileAccessHandler?, filepath: String? = ben
 		return
 	}
 
+	val results = LinkedHashMap<String, String>()
+	for (entry in benchmarkTracker) {
+		if (!results.containsKey(entry.key.first)) {
+			results[entry.key.first] = ""
+		}
+		results[entry.key.first] += "\t\t- ${entry.key.second}: ${entry.value * 1_000.0} msec.\n"
+	}
+
 	val printOut =
-		benchmarkTracker.map { "\t- ${it.key} : ${it.value} sec." }.joinToString("\n")
+		results.map { "\t- [${it.key}]\n ${it.value}" }.joinToString("\n")
 	Log.i(TAG, "BENCHMARK:\n$printOut")
 
 	if (fileAccessHandler != null && !filepath.isNullOrBlank()) {