1 /*
2 * Copyright 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef ART_RUNTIME_JIT_JIT_INL_H_
18 #define ART_RUNTIME_JIT_JIT_INL_H_
19
20 #include "android-base/macros.h"
21 #include "jit/jit.h"
22
23 #include "art_method.h"
24 #include "base/bit_utils.h"
25 #include "thread.h"
26 #include "runtime-inl.h"
27
28 namespace art HIDDEN {
29 namespace jit {
30
AddSamples(Thread * self,ArtMethod * method)31 inline void Jit::AddSamples(Thread* self, ArtMethod* method) {
32 // `hotness_count_` should always be 0 for intrinsics (which are considered hot from the first
33 // call), and for memory shared methods which use `shared_method_hotness`.
34 DCHECK_IMPLIES(method->IsIntrinsic(), method->CounterIsHot());
35 DCHECK_IMPLIES(method->IsMemorySharedMethod(), method->CounterIsHot());
36
37 if (method->CounterIsHot()) {
38 if (method->IsMemorySharedMethod()) {
39 // Intrinsics do not use `shared_method_hotness`.
40 if (!method->IsIntrinsic()) {
41 if (self->DecrementSharedMethodHotness() == 0) {
42 self->ResetSharedMethodHotness();
43 } else {
44 return;
45 }
46 }
47 } else {
48 method->ResetCounter(Runtime::Current()->GetJITOptions()->GetWarmupThreshold());
49 }
50 MaybeEnqueueCompilation(method, self);
51 } else {
52 method->UpdateCounter(1);
53 }
54 }
55
56 } // namespace jit
57 } // namespace art
58
59 #endif // ART_RUNTIME_JIT_JIT_INL_H_
60