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/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index e02e60f..c378f09 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -108,11 +108,15 @@
rule = android.NewRuleBuilder()
generateProfile := module.ProfileClassListing.Valid() && !global.DisableGenerateProfile
+ generateBootProfile := module.ProfileBootListing.Valid() && !global.DisableGenerateProfile
var profile android.WritablePath
if generateProfile {
profile = profileCommand(ctx, global, module, rule)
}
+ if generateBootProfile {
+ bootProfileCommand(ctx, global, module, rule)
+ }
if !dexpreoptDisabled(global, module) {
// Don't preopt individual boot jars, they will be preopted together.
@@ -190,6 +194,38 @@
return profilePath
}
+func bootProfileCommand(ctx android.PathContext, global GlobalConfig, module ModuleConfig,
+ rule *android.RuleBuilder) android.WritablePath {
+
+ profilePath := module.BuildPath.InSameDir(ctx, "profile.bprof")
+ profileInstalledPath := module.DexLocation + ".bprof"
+
+ if !module.ProfileIsTextListing {
+ rule.Command().FlagWithOutput("touch ", profilePath)
+ }
+
+ cmd := rule.Command().
+ Text(`ANDROID_LOG_TAGS="*:e"`).
+ Tool(global.Tools.Profman)
+
+ // The profile is a test listing of methods.
+ // We need to generate the actual binary profile.
+ cmd.FlagWithInput("--create-profile-from=", module.ProfileBootListing.Path())
+
+ cmd.
+ Flag("--generate-boot-profile").
+ FlagWithInput("--apk=", module.DexPath).
+ Flag("--dex-location="+module.DexLocation).
+ FlagWithOutput("--reference-profile-file=", profilePath)
+
+ if !module.ProfileIsTextListing {
+ cmd.Text(fmt.Sprintf(`|| echo "Profile out of date for %s"`, module.DexPath))
+ }
+ rule.Install(profilePath, profileInstalledPath)
+
+ return profilePath
+}
+
func dexpreoptCommand(ctx android.PathContext, global GlobalConfig, module ModuleConfig, rule *android.RuleBuilder,
arch android.ArchType, profile, bootImage android.Path, bootImageDeps android.Paths, appImage, generateDM bool) {