Add support for generating boot profiles.
Test: /system/etc/boot-image.bprof is generated
Test: /system/framework/services.bprof is generated
Bug: 119800099
Change-Id: I50f0b665ff104feca4a26dd229625f00013db251
diff --git a/java/dexpreopt.go b/java/dexpreopt.go
index ed12fe6..6214dac 100644
--- a/java/dexpreopt.go
+++ b/java/dexpreopt.go
@@ -143,6 +143,7 @@
strippedDexJarFile := android.PathForModuleOut(ctx, "dexpreopt", dexJarFile.Base())
var profileClassListing android.OptionalPath
+ var profileBootListing android.OptionalPath
profileIsTextListing := false
if BoolDefault(d.dexpreoptProperties.Dex_preopt.Profile_guided, true) {
// If dex_preopt.profile_guided is not set, default it based on the existence of the
@@ -150,6 +151,8 @@
if String(d.dexpreoptProperties.Dex_preopt.Profile) != "" {
profileClassListing = android.OptionalPathForPath(
android.PathForModuleSrc(ctx, String(d.dexpreoptProperties.Dex_preopt.Profile)))
+ profileBootListing = android.ExistentPathForSource(ctx,
+ ctx.ModuleDir(), String(d.dexpreoptProperties.Dex_preopt.Profile)+"-boot")
profileIsTextListing = true
} else {
profileClassListing = android.ExistentPathForSource(ctx,
@@ -169,6 +172,7 @@
ProfileClassListing: profileClassListing,
ProfileIsTextListing: profileIsTextListing,
+ ProfileBootListing: profileBootListing,
EnforceUsesLibraries: d.enforceUsesLibs,
PresentOptionalUsesLibraries: d.optionalUsesLibs,
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index 4ef5bcf..19e92b7 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -216,6 +216,7 @@
}
profile := bootImageProfileRule(ctx, image, missingDeps)
+ bootFrameworkProfileRule(ctx, image, missingDeps)
var allFiles android.Paths
@@ -424,6 +425,52 @@
var bootImageProfileRuleKey = android.NewOnceKey("bootImageProfileRule")
+func bootFrameworkProfileRule(ctx android.SingletonContext, image *bootImage, missingDeps []string) android.WritablePath {
+ global := dexpreoptGlobalConfig(ctx)
+
+ if global.DisableGenerateProfile || ctx.Config().IsPdkBuild() || ctx.Config().UnbundledBuild() {
+ return nil
+ }
+ return ctx.Config().Once(bootFrameworkProfileRuleKey, func() interface{} {
+ tools := global.Tools
+
+ rule := android.NewRuleBuilder()
+ rule.MissingDeps(missingDeps)
+
+ // Some branches like master-art-host don't have frameworks/base, so manually
+ // handle the case that the default is missing. Those branches won't attempt to build the profile rule,
+ // and if they do they'll get a missing deps error.
+ defaultProfile := "frameworks/base/config/boot-profile.txt"
+ path := android.ExistentPathForSource(ctx, defaultProfile)
+ var bootFrameworkProfile android.Path
+ if path.Valid() {
+ bootFrameworkProfile = path.Path()
+ } else {
+ missingDeps = append(missingDeps, defaultProfile)
+ bootFrameworkProfile = android.PathForOutput(ctx, "missing")
+ }
+
+ profile := image.dir.Join(ctx, "boot.bprof")
+
+ rule.Command().
+ Text(`ANDROID_LOG_TAGS="*:e"`).
+ Tool(tools.Profman).
+ Flag("--generate-boot-profile").
+ FlagWithInput("--create-profile-from=", bootFrameworkProfile).
+ FlagForEachInput("--apk=", image.dexPaths.Paths()).
+ FlagForEachArg("--dex-location=", image.dexLocations).
+ FlagWithOutput("--reference-profile-file=", profile)
+
+ rule.Install(profile, "/system/etc/boot-image.bprof")
+ rule.Build(pctx, ctx, "bootFrameworkProfile", "profile boot framework jars")
+ image.profileInstalls = append(image.profileInstalls, rule.Installs()...)
+
+ return profile
+ }).(android.WritablePath)
+}
+
+var bootFrameworkProfileRuleKey = android.NewOnceKey("bootFrameworkProfileRule")
+
func dumpOatRules(ctx android.SingletonContext, image *bootImage) {
var archs []android.ArchType
for arch := range image.images {