Merge "Add support for generating boot profiles."
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commit
1f9f57cc8f
4 changed files with 88 additions and 0 deletions
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@ -113,6 +113,7 @@ type ModuleConfig struct {
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ProfileClassListing android.OptionalPath
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ProfileIsTextListing bool
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ProfileBootListing android.OptionalPath
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EnforceUsesLibraries bool
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PresentOptionalUsesLibraries []string
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@ -108,11 +108,15 @@ func GenerateDexpreoptRule(ctx android.PathContext,
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rule = android.NewRuleBuilder()
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generateProfile := module.ProfileClassListing.Valid() && !global.DisableGenerateProfile
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generateBootProfile := module.ProfileBootListing.Valid() && !global.DisableGenerateProfile
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var profile android.WritablePath
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if generateProfile {
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profile = profileCommand(ctx, global, module, rule)
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}
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if generateBootProfile {
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bootProfileCommand(ctx, global, module, rule)
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}
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if !dexpreoptDisabled(global, module) {
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// Don't preopt individual boot jars, they will be preopted together.
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@ -190,6 +194,38 @@ func profileCommand(ctx android.PathContext, global GlobalConfig, module ModuleC
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return profilePath
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}
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func bootProfileCommand(ctx android.PathContext, global GlobalConfig, module ModuleConfig,
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rule *android.RuleBuilder) android.WritablePath {
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profilePath := module.BuildPath.InSameDir(ctx, "profile.bprof")
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profileInstalledPath := module.DexLocation + ".bprof"
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if !module.ProfileIsTextListing {
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rule.Command().FlagWithOutput("touch ", profilePath)
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}
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cmd := rule.Command().
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Text(`ANDROID_LOG_TAGS="*:e"`).
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Tool(global.Tools.Profman)
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// The profile is a test listing of methods.
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// We need to generate the actual binary profile.
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cmd.FlagWithInput("--create-profile-from=", module.ProfileBootListing.Path())
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cmd.
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Flag("--generate-boot-profile").
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FlagWithInput("--apk=", module.DexPath).
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Flag("--dex-location="+module.DexLocation).
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FlagWithOutput("--reference-profile-file=", profilePath)
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if !module.ProfileIsTextListing {
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cmd.Text(fmt.Sprintf(`|| echo "Profile out of date for %s"`, module.DexPath))
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}
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rule.Install(profilePath, profileInstalledPath)
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return profilePath
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}
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func dexpreoptCommand(ctx android.PathContext, global GlobalConfig, module ModuleConfig, rule *android.RuleBuilder,
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arch android.ArchType, profile, bootImage android.Path, bootImageDeps android.Paths, appImage, generateDM bool) {
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@ -143,6 +143,7 @@ func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.Mo
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strippedDexJarFile := android.PathForModuleOut(ctx, "dexpreopt", dexJarFile.Base())
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var profileClassListing android.OptionalPath
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var profileBootListing android.OptionalPath
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profileIsTextListing := false
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if BoolDefault(d.dexpreoptProperties.Dex_preopt.Profile_guided, true) {
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// If dex_preopt.profile_guided is not set, default it based on the existence of the
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@ -150,6 +151,8 @@ func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.Mo
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if String(d.dexpreoptProperties.Dex_preopt.Profile) != "" {
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profileClassListing = android.OptionalPathForPath(
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android.PathForModuleSrc(ctx, String(d.dexpreoptProperties.Dex_preopt.Profile)))
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profileBootListing = android.ExistentPathForSource(ctx,
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ctx.ModuleDir(), String(d.dexpreoptProperties.Dex_preopt.Profile)+"-boot")
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profileIsTextListing = true
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} else {
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profileClassListing = android.ExistentPathForSource(ctx,
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@ -169,6 +172,7 @@ func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.Mo
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ProfileClassListing: profileClassListing,
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ProfileIsTextListing: profileIsTextListing,
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ProfileBootListing: profileBootListing,
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EnforceUsesLibraries: d.enforceUsesLibs,
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PresentOptionalUsesLibraries: d.optionalUsesLibs,
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@ -216,6 +216,7 @@ func buildBootImage(ctx android.SingletonContext, config bootImageConfig) *bootI
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}
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profile := bootImageProfileRule(ctx, image, missingDeps)
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bootFrameworkProfileRule(ctx, image, missingDeps)
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var allFiles android.Paths
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@ -424,6 +425,52 @@ func bootImageProfileRule(ctx android.SingletonContext, image *bootImage, missin
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var bootImageProfileRuleKey = android.NewOnceKey("bootImageProfileRule")
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func bootFrameworkProfileRule(ctx android.SingletonContext, image *bootImage, missingDeps []string) android.WritablePath {
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global := dexpreoptGlobalConfig(ctx)
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if global.DisableGenerateProfile || ctx.Config().IsPdkBuild() || ctx.Config().UnbundledBuild() {
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return nil
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}
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return ctx.Config().Once(bootFrameworkProfileRuleKey, func() interface{} {
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tools := global.Tools
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rule := android.NewRuleBuilder()
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rule.MissingDeps(missingDeps)
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// Some branches like master-art-host don't have frameworks/base, so manually
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// handle the case that the default is missing. Those branches won't attempt to build the profile rule,
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// and if they do they'll get a missing deps error.
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defaultProfile := "frameworks/base/config/boot-profile.txt"
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path := android.ExistentPathForSource(ctx, defaultProfile)
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var bootFrameworkProfile android.Path
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if path.Valid() {
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bootFrameworkProfile = path.Path()
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} else {
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missingDeps = append(missingDeps, defaultProfile)
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bootFrameworkProfile = android.PathForOutput(ctx, "missing")
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}
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profile := image.dir.Join(ctx, "boot.bprof")
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rule.Command().
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Text(`ANDROID_LOG_TAGS="*:e"`).
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Tool(tools.Profman).
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Flag("--generate-boot-profile").
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FlagWithInput("--create-profile-from=", bootFrameworkProfile).
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FlagForEachInput("--apk=", image.dexPaths.Paths()).
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FlagForEachArg("--dex-location=", image.dexLocations).
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FlagWithOutput("--reference-profile-file=", profile)
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rule.Install(profile, "/system/etc/boot-image.bprof")
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rule.Build(pctx, ctx, "bootFrameworkProfile", "profile boot framework jars")
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image.profileInstalls = append(image.profileInstalls, rule.Installs()...)
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return profile
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}).(android.WritablePath)
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}
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var bootFrameworkProfileRuleKey = android.NewOnceKey("bootFrameworkProfileRule")
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func dumpOatRules(ctx android.SingletonContext, image *bootImage) {
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var archs []android.ArchType
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for arch := range image.images {
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