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Frameworks/base: Support dex2oat cpu-set system property

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Check dalvik.vm.dex2oat-cpu-set in AndroidRuntime and pass to ART
with "--cpu-set=" as a compiler option, if found.

Check dalvik.vm.image-dex2oat-cpu-set in AndroidRuntime and pass
to ART with "--cpu-set=" as an image compiler option, if found.

Bug: 141446571
Test: manual

Change-Id: Ica6a39048292d3d43aeb58d25f79f1398a7d5a79
This commit is contained in:
Orion Hodson
2019-11-14 18:18:30 +00:00
parent 546f68a66f
commit 870ce3f6d7
1 changed files with 6 additions and 0 deletions
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6
core/jni/AndroidRuntime.cpp
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@@ -667,6 +667,8 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool p
char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
char dex2oatCpuSetBuf[sizeof("--cpu-set=")-1 + PROPERTY_VALUE_MAX];
char dex2oatCpuSetImageBuf[sizeof("--cpu-set=")-1 + PROPERTY_VALUE_MAX];
char dex2oat_isa_variant_key[PROPERTY_KEY_MAX];
char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX];
char dex2oat_isa_features_key[PROPERTY_KEY_MAX];
@@ -956,6 +958,10 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool p
parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
"-Ximage-compiler-option");
parseCompilerOption("dalvik.vm.dex2oat-cpu-set", dex2oatCpuSetBuf, "--cpu-set=",
"-Xcompiler-option");
parseCompilerOption("dalvik.vm.image-dex2oat-cpu-set", dex2oatCpuSetImageBuf, "--cpu-set=",
"-Ximage-compiler-option");
// The runtime will compile a boot image, when necessary, not using installd. Thus, we need to
// pass the instruction-set-features/variant as an image-compiler-option.