Merge "Add androidx.tracing to sysui" into udc-dev (f7d25db9) · Commits · e / os / android_frameworks_base

packages/SystemUI/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,7 @@ android_library {
		"androidx.palette_palette",
		"androidx.legacy_legacy-preference-v14",
		"androidx.leanback_leanback",
		"androidx.tracing_tracing",
		"androidx.slice_slice-core",
		"androidx.slice_slice-view",
		"androidx.slice_slice-builders",

+12 −8

Original line number	Diff line number	Diff line
		@@ -16,20 +16,22 @@

		package com.android.systemui.util

		import android.os.Trace
		import android.os.Handler
		import android.os.TraceNameSupplier
		import androidx.tracing.Trace

		/**
		* Run a block within a [Trace] section.
		* Calls [Trace.beginSection] before and [Trace.endSection] after the passed block.
		* Run a block within a [Trace] section. Calls [Trace.beginSection] before and [Trace.endSection]
		* after the passed block. If tracing is disabled, it will run the block directly to avoid using an
		* unnecessary try-finally block.
		*/
		inline fun <T> traceSection(tag: String, block: () -> T): T =
		if (Trace.isTagEnabled(Trace.TRACE_TAG_APP)) {
		Trace.traceBegin(Trace.TRACE_TAG_APP, tag)
		if (Trace.isEnabled()) {
		Trace.beginSection(tag)
		try {
		block()
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_APP)
		Trace.endSection()
		}
		} else {
		block()
		@@ -42,8 +44,10 @@ class TraceUtils {
		}

		/**
		* Helper function for creating a Runnable object that implements TraceNameSupplier.
		* This is useful for posting Runnables to Handlers with meaningful names.
		* Helper function for creating a [Runnable] that implements [TraceNameSupplier]. This is
		* useful when posting to a [Handler] so that the [Runnable] has a meaningful name in the
		* trace. Otherwise, the class name of the [Runnable] is used, which is often something like
		* `pkg.MyClass$$ExternalSyntheticLambda0`.
		*/
		inline fun namedRunnable(tag: String, crossinline block: () -> Unit): Runnable {
		return object : Runnable, TraceNameSupplier {