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