[Ravenwood] Faster framework-minus-apex processing (028ad699) · Commits · e / os / android_frameworks_base

Ravenwood.bp

+15 −17

Original line number	Diff line number	Diff line
		@@ -43,29 +43,14 @@ genrule_defaults {
		],
		out: [
		"ravenwood.jar",

		// Following files are created just as FYI.
		"hoststubgen_framework-minus-apex_keep_all.txt",
		"hoststubgen_framework-minus-apex_dump.txt",

		"hoststubgen_framework-minus-apex.log",
		"hoststubgen_framework-minus-apex_stats.csv",
		"hoststubgen_framework-minus-apex_apis.csv",
		],
		}

		framework_minus_apex_cmd = "$(location hoststubgen) " +
		"@$(location :ravenwood-standard-options) " +

		"--debug-log $(location hoststubgen_framework-minus-apex.log) " +
		"--stats-file $(location hoststubgen_framework-minus-apex_stats.csv) " +
		"--supported-api-list-file $(location hoststubgen_framework-minus-apex_apis.csv) " +

		"--out-impl-jar $(location ravenwood.jar) " +

		"--gen-keep-all-file $(location hoststubgen_framework-minus-apex_keep_all.txt) " +
		"--gen-input-dump-file $(location hoststubgen_framework-minus-apex_dump.txt) " +

		"--in-jar $(location :framework-minus-apex-for-hoststubgen) " +
		"--policy-override-file $(location :ravenwood-framework-policies) " +
		"--annotation-allowed-classes-file $(location :ravenwood-annotation-allowed-classes) "
		@@ -133,13 +118,26 @@ java_genrule {
		// Build framework-minus-apex.ravenwood-base without sharding.
		// We extract the various dump files from this one, rather than the sharded ones, because
		// some dumps use the output from other classes (e.g. base classes) which may not be in the
		// same shard.
		// same shard. Also some of the dump files ("apis") may be slow even when sharded, because
		// the output contains the information from all the input classes, rather than the output classes.
		// Not using sharding is fine for this module because it's only used for collecting the
		// dump / stats files, which don't have to happen regularly.
		java_genrule {
		name: "framework-minus-apex.ravenwood-base_all",
		defaults: ["framework-minus-apex.ravenwood-base_defaults"],
		cmd: framework_minus_apex_cmd,
		cmd: framework_minus_apex_cmd +
		"--stats-file $(location hoststubgen_framework-minus-apex_stats.csv) " +
		"--supported-api-list-file $(location hoststubgen_framework-minus-apex_apis.csv) " +

		"--gen-keep-all-file $(location hoststubgen_framework-minus-apex_keep_all.txt) " +
		"--gen-input-dump-file $(location hoststubgen_framework-minus-apex_dump.txt) ",

		out: [
		"hoststubgen_framework-minus-apex_keep_all.txt",
		"hoststubgen_framework-minus-apex_dump.txt",
		"hoststubgen_framework-minus-apex_stats.csv",
		"hoststubgen_framework-minus-apex_apis.csv",
		],
		}

		// Marge all the sharded jars

tools/hoststubgen/hoststubgen/src/com/android/hoststubgen/HostStubGen.kt

+51 −46

Original line number	Diff line number	Diff line
		@@ -58,17 +58,19 @@ class HostStubGen(val options: HostStubGenOptions) {

		// Dump the classes, if specified.
		options.inputJarDumpFile.ifSet {
		log.iTime("Dump file created at $it") {
		PrintWriter(it).use { pw -> allClasses.dump(pw) }
		log.i("Dump file created at $it")
		}
		}

		options.inputJarAsKeepAllFile.ifSet {
		PrintWriter(it).use {
		pw -> allClasses.forEach {
		classNode -> printAsTextPolicy(pw, classNode)
		log.iTime("Dump file created at $it") {
		PrintWriter(it).use { pw ->
		allClasses.forEach { classNode ->
		printAsTextPolicy(pw, classNode)
		}
		}
		}
		log.i("Dump file created at $it")
		}

		// Build the filters.
		@@ -91,16 +93,18 @@ class HostStubGen(val options: HostStubGenOptions) {

		// Dump statistics, if specified.
		options.statsFile.ifSet {
		log.iTime("Dump file created at $it") {
		PrintWriter(it).use { pw -> stats.dumpOverview(pw) }
		log.i("Dump file created at $it")
		}
		}
		options.apiListFile.ifSet {
		log.iTime("API list file created at $it") {
		PrintWriter(it).use { pw ->
		// TODO, when dumping a jar that's not framework-minus-apex.jar, we need to feed
		// framework-minus-apex.jar so that we can dump inherited methods from it.
		ApiDumper(pw, allClasses, null, filter).dump()
		}
		log.i("API list file created at $it")
		}
		}
		}

		@@ -221,8 +225,7 @@ class HostStubGen(val options: HostStubGenOptions) {
		log.i("Converting %s into [stub: %s, impl: %s] ...", inJar, outStubJar, outImplJar)
		log.i("ASM CheckClassAdapter is %s", if (enableChecker) "enabled" else "disabled")

		val start = System.currentTimeMillis()

		log.iTime("Transforming jar") {
		val packageRedirector = PackageRedirectRemapper(options.packageRedirects)

		var itemIndex = 0
		@@ -242,14 +245,17 @@ class HostStubGen(val options: HostStubGenOptions) {
		val inEntries = inZip.entries()
		while (inEntries.hasMoreElements()) {
		val entry = inEntries.nextElement()
		val inShard = (shardStart <= itemIndex) && (itemIndex < shardNextStart)
		val inShard = (shardStart <= itemIndex)
		&& (itemIndex < shardNextStart)
		itemIndex++
		if (!inShard) {
		continue
		}
		convertSingleEntry(inZip, entry, stubOutStream, implOutStream,
		convertSingleEntry(
		inZip, entry, stubOutStream, implOutStream,
		filter, packageRedirector, remapper,
		enableChecker, classes, errors, stats)
		enableChecker, classes, errors, stats
		)
		numItemsProcessed++
		}
		log.i("Converted all entries.")
		@@ -259,9 +265,8 @@ class HostStubGen(val options: HostStubGenOptions) {
		outImplJar?.let { log.i("Created impl: $it") }
		}
		}
		val end = System.currentTimeMillis()
		log.i("Done transforming the jar in %.1f second(s). %d / %d item(s) processed.",
		(end - start) / 1000.0, numItemsProcessed, numItems)
		log.i("%d / %d item(s) processed.", numItemsProcessed, numItems)
		}
		}

		private fun <T> maybeWithZipOutputStream(filename: String?, block: (ZipOutputStream?) -> T): T {

tools/hoststubgen/hoststubgen/src/com/android/hoststubgen/HostStubGenLogger.kt

+10 −0

Original line number	Diff line number	Diff line
		@@ -185,6 +185,16 @@ class HostStubGenLogger {
		println(LogLevel.Debug, format, *args)
		}

		inline fun <T> iTime(message: String, block: () -> T): T {
		val start = System.currentTimeMillis()
		val ret = block()
		val end = System.currentTimeMillis()

		log.i("%s: took %.1f second(s).", message, (end - start) / 1000.0)

		return ret
		}

		inline fun forVerbose(block: () -> Unit) {
		if (isEnabled(LogLevel.Verbose)) {
		block()

tools/hoststubgen/hoststubgen/src/com/android/hoststubgen/asm/ClassNodes.kt

+38 −37

Original line number	Diff line number	Diff line
		@@ -184,9 +184,7 @@ class ClassNodes {
		* Load all the classes, without code.
		*/
		fun loadClassStructures(inJar: String): ClassNodes {
		log.i("Reading class structure from $inJar ...")
		val start = System.currentTimeMillis()

		log.iTime("Reading class structure from $inJar") {
		val allClasses = ClassNodes()

		log.withIndent {
		@@ -200,8 +198,11 @@ class ClassNodes {
		if (entry.name.endsWith(".class")) {
		val cr = ClassReader(bis)
		val cn = ClassNode()
		cr.accept(cn, ClassReader.SKIP_CODE or ClassReader.SKIP_DEBUG
		or ClassReader.SKIP_FRAMES)
		cr.accept(
		cn, ClassReader.SKIP_CODE
		or ClassReader.SKIP_DEBUG
		or ClassReader.SKIP_FRAMES
		)
		if (!allClasses.addClass(cn)) {
		log.w("Duplicate class found: ${cn.name}")
		}
		@@ -209,7 +210,9 @@ class ClassNodes {
		// Seems like it's an ART jar file. We can't process it.
		// It's a fatal error.
		throw InvalidJarFileException(
		"$inJar is not a desktop jar file. It contains a *.dex file.")
		"$inJar is not a desktop jar file."
		+ " It contains a *.dex file."
		)
		} else {
		// Unknown file type. Skip.
		while (bis.available() > 0) {
		@@ -223,10 +226,8 @@ class ClassNodes {
		if (allClasses.size == 0) {
		log.w("$inJar contains no *.class files.")
		}

		val end = System.currentTimeMillis()
		log.i("Done reading class structure in %.1f second(s).", (end - start) / 1000.0)
		return allClasses
		}
		}
		}
		}
		No newline at end of file