Add support for experimentally enabling RBE support on specific rules.
This CL adds RBE support to javac, r8, and d8 rules which is only
enabled if respective environment variables are set.
Test: an aosp_crosshatch build with and without the new variables.
Change-Id: Ic82f3627944f6a5ee7b9f3228170c2709b1bfcb8
diff --git a/android/package_ctx.go b/android/package_ctx.go
index 6350667..5a43ea9 100644
--- a/android/package_ctx.go
+++ b/android/package_ctx.go
@@ -232,16 +232,32 @@
}, argNames...)
}
-// RemoteRuleSupports selects if a AndroidRemoteStaticRule supports goma, RBE, or both.
-type RemoteRuleSupports int
+// RBEExperimentalFlag indicates which flag should be set for the AndroidRemoteStaticRule
+// to use RBE.
+type RBEExperimentalFlag int
const (
- SUPPORTS_NONE = 0
- SUPPORTS_GOMA = 1 << iota
- SUPPORTS_RBE = 1 << iota
- SUPPORTS_BOTH = SUPPORTS_GOMA | SUPPORTS_RBE
+ // RBE_NOT_EXPERIMENTAL indicates the rule should use RBE in every build that has
+ // UseRBE set.
+ RBE_NOT_EXPERIMENTAL RBEExperimentalFlag = iota
+ // RBE_JAVAC indicates the rule should use RBE only if the RBE_JAVAC variable is
+ // set in an RBE enabled build.
+ RBE_JAVAC
+ // RBE_R8 indicates the rule should use RBE only if the RBE_R8 variable is set in
+ // an RBE enabled build.
+ RBE_R8
+ // RBE_D8 indicates the rule should use RBE only if the RBE_D8 variable is set in
+ // an RBE enabled build.
+ RBE_D8
)
+// RemoteRuleSupports configures rules with whether they have Goma and/or RBE support.
+type RemoteRuleSupports struct {
+ Goma bool
+ RBE bool
+ RBEFlag RBEExperimentalFlag
+}
+
// AndroidRemoteStaticRule wraps blueprint.StaticRule but uses goma or RBE's parallelism if goma or RBE are enabled
// and the appropriate SUPPORTS_* flag is set.
func (p PackageContext) AndroidRemoteStaticRule(name string, supports RemoteRuleSupports, params blueprint.RuleParams,
@@ -249,18 +265,30 @@
return p.PackageContext.RuleFunc(name, func(config interface{}) (blueprint.RuleParams, error) {
ctx := &configErrorWrapper{p, config.(Config), nil}
- if ctx.Config().UseGoma() && supports&SUPPORTS_GOMA == 0 {
+ if ctx.Config().UseGoma() && !supports.Goma {
// When USE_GOMA=true is set and the rule is not supported by goma, restrict jobs to the
// local parallelism value
params.Pool = localPool
}
- if ctx.Config().UseRBE() && supports&SUPPORTS_RBE == 0 {
+ if ctx.Config().UseRBE() && !supports.RBE {
// When USE_RBE=true is set and the rule is not supported by RBE, restrict jobs to the
// local parallelism value
params.Pool = localPool
}
+ if ctx.Config().UseRBE() && supports.RBE {
+ if supports.RBEFlag == RBE_JAVAC && !ctx.Config().UseRBEJAVAC() {
+ params.Pool = localPool
+ }
+ if supports.RBEFlag == RBE_R8 && !ctx.Config().UseRBER8() {
+ params.Pool = localPool
+ }
+ if supports.RBEFlag == RBE_D8 && !ctx.Config().UseRBED8() {
+ params.Pool = localPool
+ }
+ }
+
return params, nil
}, argNames...)
}