Log gradle timings per task (debugging build server times)

build.gradle

@@ -147,3 +147,45 @@ task("uploadJars", dependsOn: "build") {
 		}
 	}
 }
+
+// Log timings per task.
+class TimingsListener implements TaskExecutionListener, BuildListener {
+	private Clock clock
+	private timings = []
+
+	@Override
+	void beforeExecute(Task task) {
+		clock = new org.gradle.util.Clock()
+	}
+
+	@Override
+	void afterExecute(Task task, TaskState taskState) {
+		def ms = clock.timeInMs
+		timings.add([ms, task.path])
+		task.project.logger.warn "${task.path} took ${ms}ms"
+	}
+
+	@Override
+	void buildFinished(BuildResult result) {
+		println "Task timings:"
+		for (timing in timings) {
+			if (timing[0] >= 50) {
+				printf "%7sms  %s\n", timing
+			}
+		}
+	}
+
+	@Override
+	void buildStarted(Gradle gradle) {}
+
+	@Override
+	void projectsEvaluated(Gradle gradle) {}
+
+	@Override
+	void projectsLoaded(Gradle gradle) {}
+
+	@Override
+	void settingsEvaluated(Settings settings) {}
+}
+
+gradle.addListener new TimingsListener()