/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "jni.h"
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#include "gc/gc_cause.h"
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#include "gc/scoped_gc_critical_section.h"
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#include "mirror/class-inl.h"
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#include "runtime.h"
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#include "scoped_thread_state_change-inl.h"
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#include "thread_list.h"
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#include "thread_state.h"
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namespace art {
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extern "C" JNIEXPORT void JNICALL Java_Main_deoptimizeAll(
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JNIEnv* env,
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jclass cls ATTRIBUTE_UNUSED) {
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ScopedObjectAccess soa(env);
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ScopedThreadSuspension sts(Thread::Current(), kWaitingForDeoptimization);
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gc::ScopedGCCriticalSection gcs(Thread::Current(),
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gc::kGcCauseInstrumentation,
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gc::kCollectorTypeInstrumentation);
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// We need to suspend mutator threads first.
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ScopedSuspendAll ssa(__FUNCTION__);
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static bool first = true;
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if (first) {
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// We need to enable deoptimization once in order to call DeoptimizeEverything().
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Runtime::Current()->GetInstrumentation()->EnableDeoptimization();
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first = false;
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}
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Runtime::Current()->GetInstrumentation()->DeoptimizeEverything("test");
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}
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extern "C" JNIEXPORT void JNICALL Java_Main_undeoptimizeAll(
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JNIEnv* env,
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jclass cls ATTRIBUTE_UNUSED) {
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ScopedObjectAccess soa(env);
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ScopedThreadSuspension sts(Thread::Current(), kWaitingForDeoptimization);
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gc::ScopedGCCriticalSection gcs(Thread::Current(),
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gc::kGcCauseInstrumentation,
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gc::kCollectorTypeInstrumentation);
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// We need to suspend mutator threads first.
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ScopedSuspendAll ssa(__FUNCTION__);
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Runtime::Current()->GetInstrumentation()->UndeoptimizeEverything("test");
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}
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} // namespace art
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