Home | History | Annotate | Download | only in 595-profile-saving 
      1 /*
      2  * Copyright (C) 2016 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 #include "dex/dex_file.h"
     18 
     19 #include "art_method-inl.h"
     20 #include "dex/method_reference.h"
     21 #include "jit/profile_compilation_info.h"
     22 #include "jit/profile_saver.h"
     23 #include "jni.h"
     24 #include "mirror/class-inl.h"
     25 #include "mirror/executable.h"
     26 #include "nativehelper/ScopedUtfChars.h"
     27 #include "oat_file_assistant.h"
     28 #include "oat_file_manager.h"
     29 #include "scoped_thread_state_change-inl.h"
     30 #include "thread.h"
     31 
     32 namespace art {
     33 namespace {
     34 
     35 extern "C" JNIEXPORT void JNICALL Java_Main_ensureProfilingInfo(JNIEnv* env,
     36                                                                 jclass,
     37                                                                 jobject method) {
     38   CHECK(method != nullptr);
     39   ScopedObjectAccess soa(env);
     40   ObjPtr<mirror::Executable> exec = soa.Decode<mirror::Executable>(method);
     41   ArtMethod* art_method = exec->GetArtMethod();
     42   if (!ProfilingInfo::Create(soa.Self(), art_method, /* retry_allocation */ true)) {
     43     LOG(ERROR) << "Failed to create profiling info for method " << art_method->PrettyMethod();
     44   }
     45 }
     46 
     47 extern "C" JNIEXPORT void JNICALL Java_Main_ensureProfileProcessing(JNIEnv*, jclass) {
     48   ProfileSaver::ForceProcessProfiles();
     49 }
     50 
     51 extern "C" JNIEXPORT jboolean JNICALL Java_Main_presentInProfile(JNIEnv* env,
     52                                                                  jclass,
     53                                                                  jstring filename,
     54                                                                  jobject method) {
     55   ScopedUtfChars filename_chars(env, filename);
     56   CHECK(filename_chars.c_str() != nullptr);
     57   ScopedObjectAccess soa(env);
     58   ObjPtr<mirror::Executable> exec = soa.Decode<mirror::Executable>(method);
     59   ArtMethod* art_method = exec->GetArtMethod();
     60   return ProfileSaver::HasSeenMethod(std::string(filename_chars.c_str()),
     61                                      /*hot*/ true,
     62                                      MethodReference(art_method->GetDexFile(),
     63                                                      art_method->GetDexMethodIndex()));
     64 }
     65 
     66 }  // namespace
     67 }  // namespace art
     68