Sebastien Hertz | 0462c4c | 2015-04-01 16:34:17 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 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 "instrumentation.h" |
| 18 | |
| 19 | #include "common_runtime_test.h" |
| 20 | #include "common_throws.h" |
| 21 | #include "class_linker-inl.h" |
| 22 | #include "dex_file.h" |
| 23 | #include "handle_scope-inl.h" |
| 24 | #include "jvalue.h" |
| 25 | #include "runtime.h" |
| 26 | #include "scoped_thread_state_change.h" |
| 27 | #include "thread_list.h" |
| 28 | #include "thread-inl.h" |
| 29 | |
| 30 | namespace art { |
| 31 | namespace instrumentation { |
| 32 | |
| 33 | class TestInstrumentationListener FINAL : public instrumentation::InstrumentationListener { |
| 34 | public: |
| 35 | TestInstrumentationListener() |
| 36 | : received_method_enter_event(false), received_method_exit_event(false), |
| 37 | received_method_unwind_event(false), received_dex_pc_moved_event(false), |
| 38 | received_field_read_event(false), received_field_written_event(false), |
| 39 | received_exception_caught_event(false), received_backward_branch_event(false) {} |
| 40 | |
| 41 | virtual ~TestInstrumentationListener() {} |
| 42 | |
| 43 | void MethodEntered(Thread* thread ATTRIBUTE_UNUSED, |
| 44 | mirror::Object* this_object ATTRIBUTE_UNUSED, |
| 45 | mirror::ArtMethod* method ATTRIBUTE_UNUSED, |
| 46 | uint32_t dex_pc ATTRIBUTE_UNUSED) |
| 47 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 48 | received_method_enter_event = true; |
| 49 | } |
| 50 | |
| 51 | void MethodExited(Thread* thread ATTRIBUTE_UNUSED, |
| 52 | mirror::Object* this_object ATTRIBUTE_UNUSED, |
| 53 | mirror::ArtMethod* method ATTRIBUTE_UNUSED, |
| 54 | uint32_t dex_pc ATTRIBUTE_UNUSED, |
| 55 | const JValue& return_value ATTRIBUTE_UNUSED) |
| 56 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 57 | received_method_exit_event = true; |
| 58 | } |
| 59 | |
| 60 | void MethodUnwind(Thread* thread ATTRIBUTE_UNUSED, |
| 61 | mirror::Object* this_object ATTRIBUTE_UNUSED, |
| 62 | mirror::ArtMethod* method ATTRIBUTE_UNUSED, |
| 63 | uint32_t dex_pc ATTRIBUTE_UNUSED) |
| 64 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 65 | received_method_unwind_event = true; |
| 66 | } |
| 67 | |
| 68 | void DexPcMoved(Thread* thread ATTRIBUTE_UNUSED, |
| 69 | mirror::Object* this_object ATTRIBUTE_UNUSED, |
| 70 | mirror::ArtMethod* method ATTRIBUTE_UNUSED, |
| 71 | uint32_t new_dex_pc ATTRIBUTE_UNUSED) |
| 72 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 73 | received_dex_pc_moved_event = true; |
| 74 | } |
| 75 | |
| 76 | void FieldRead(Thread* thread ATTRIBUTE_UNUSED, |
| 77 | mirror::Object* this_object ATTRIBUTE_UNUSED, |
| 78 | mirror::ArtMethod* method ATTRIBUTE_UNUSED, |
| 79 | uint32_t dex_pc ATTRIBUTE_UNUSED, |
| 80 | ArtField* field ATTRIBUTE_UNUSED) |
| 81 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 82 | received_field_read_event = true; |
| 83 | } |
| 84 | |
| 85 | void FieldWritten(Thread* thread ATTRIBUTE_UNUSED, |
| 86 | mirror::Object* this_object ATTRIBUTE_UNUSED, |
| 87 | mirror::ArtMethod* method ATTRIBUTE_UNUSED, |
| 88 | uint32_t dex_pc ATTRIBUTE_UNUSED, |
| 89 | ArtField* field ATTRIBUTE_UNUSED, |
| 90 | const JValue& field_value ATTRIBUTE_UNUSED) |
| 91 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 92 | received_field_written_event = true; |
| 93 | } |
| 94 | |
| 95 | void ExceptionCaught(Thread* thread ATTRIBUTE_UNUSED, |
| 96 | mirror::Throwable* exception_object ATTRIBUTE_UNUSED) |
| 97 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 98 | received_exception_caught_event = true; |
| 99 | } |
| 100 | |
| 101 | void BackwardBranch(Thread* thread ATTRIBUTE_UNUSED, |
| 102 | mirror::ArtMethod* method ATTRIBUTE_UNUSED, |
| 103 | int32_t dex_pc_offset ATTRIBUTE_UNUSED) |
| 104 | OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 105 | received_backward_branch_event = true; |
| 106 | } |
| 107 | |
| 108 | void Reset() { |
| 109 | received_method_enter_event = false; |
| 110 | received_method_exit_event = false; |
| 111 | received_method_unwind_event = false; |
| 112 | received_dex_pc_moved_event = false; |
| 113 | received_field_read_event = false; |
| 114 | received_field_written_event = false; |
| 115 | received_exception_caught_event = false; |
| 116 | received_backward_branch_event = false; |
| 117 | } |
| 118 | |
| 119 | bool received_method_enter_event; |
| 120 | bool received_method_exit_event; |
| 121 | bool received_method_unwind_event; |
| 122 | bool received_dex_pc_moved_event; |
| 123 | bool received_field_read_event; |
| 124 | bool received_field_written_event; |
| 125 | bool received_exception_caught_event; |
| 126 | bool received_backward_branch_event; |
| 127 | |
| 128 | private: |
| 129 | DISALLOW_COPY_AND_ASSIGN(TestInstrumentationListener); |
| 130 | }; |
| 131 | |
| 132 | class InstrumentationTest : public CommonRuntimeTest { |
| 133 | public: |
| 134 | // Unique keys used to test Instrumentation::ConfigureStubs. |
| 135 | static constexpr const char* kClientOneKey = "TestClient1"; |
| 136 | static constexpr const char* kClientTwoKey = "TestClient2"; |
| 137 | |
| 138 | void CheckConfigureStubs(const char* key, Instrumentation::InstrumentationLevel level) { |
| 139 | ScopedObjectAccess soa(Thread::Current()); |
| 140 | instrumentation::Instrumentation* instr = Runtime::Current()->GetInstrumentation(); |
| 141 | { |
| 142 | soa.Self()->TransitionFromRunnableToSuspended(kSuspended); |
| 143 | Runtime* runtime = Runtime::Current(); |
| 144 | runtime->GetThreadList()->SuspendAll("Instrumentation::ConfigureStubs"); |
| 145 | instr->ConfigureStubs(key, level); |
| 146 | runtime->GetThreadList()->ResumeAll(); |
| 147 | soa.Self()->TransitionFromSuspendedToRunnable(); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | Instrumentation::InstrumentationLevel GetCurrentInstrumentationLevel() { |
| 152 | return Runtime::Current()->GetInstrumentation()->GetCurrentInstrumentationLevel(); |
| 153 | } |
| 154 | |
| 155 | size_t GetInstrumentationUserCount() { |
| 156 | ScopedObjectAccess soa(Thread::Current()); |
| 157 | return Runtime::Current()->GetInstrumentation()->requested_instrumentation_levels_.size(); |
| 158 | } |
| 159 | |
| 160 | void TestEvent(uint32_t instrumentation_event) { |
| 161 | ScopedObjectAccess soa(Thread::Current()); |
| 162 | instrumentation::Instrumentation* instr = Runtime::Current()->GetInstrumentation(); |
| 163 | TestInstrumentationListener listener; |
| 164 | { |
| 165 | soa.Self()->TransitionFromRunnableToSuspended(kSuspended); |
| 166 | Runtime* runtime = Runtime::Current(); |
| 167 | runtime->GetThreadList()->SuspendAll("Add instrumentation listener"); |
| 168 | instr->AddListener(&listener, instrumentation_event); |
| 169 | runtime->GetThreadList()->ResumeAll(); |
| 170 | soa.Self()->TransitionFromSuspendedToRunnable(); |
| 171 | } |
| 172 | |
| 173 | mirror::ArtMethod* const event_method = nullptr; |
| 174 | mirror::Object* const event_obj = nullptr; |
| 175 | const uint32_t event_dex_pc = 0; |
| 176 | |
| 177 | // Check the listener is registered and is notified of the event. |
| 178 | EXPECT_TRUE(HasEventListener(instr, instrumentation_event)); |
| 179 | EXPECT_FALSE(DidListenerReceiveEvent(listener, instrumentation_event)); |
| 180 | ReportEvent(instr, instrumentation_event, soa.Self(), event_method, event_obj, event_dex_pc); |
| 181 | EXPECT_TRUE(DidListenerReceiveEvent(listener, instrumentation_event)); |
| 182 | |
| 183 | listener.Reset(); |
| 184 | { |
| 185 | soa.Self()->TransitionFromRunnableToSuspended(kSuspended); |
| 186 | Runtime* runtime = Runtime::Current(); |
| 187 | runtime->GetThreadList()->SuspendAll("Remove instrumentation listener"); |
| 188 | instr->RemoveListener(&listener, instrumentation_event); |
| 189 | runtime->GetThreadList()->ResumeAll(); |
| 190 | soa.Self()->TransitionFromSuspendedToRunnable(); |
| 191 | } |
| 192 | |
| 193 | // Check the listener is not registered and is not notified of the event. |
| 194 | EXPECT_FALSE(HasEventListener(instr, instrumentation_event)); |
| 195 | EXPECT_FALSE(DidListenerReceiveEvent(listener, instrumentation_event)); |
| 196 | ReportEvent(instr, instrumentation_event, soa.Self(), event_method, event_obj, event_dex_pc); |
| 197 | EXPECT_FALSE(DidListenerReceiveEvent(listener, instrumentation_event)); |
| 198 | } |
| 199 | |
| 200 | void DeoptimizeMethod(Thread* self, Handle<mirror::ArtMethod> method, |
| 201 | bool enable_deoptimization) |
| 202 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 203 | Runtime* runtime = Runtime::Current(); |
| 204 | instrumentation::Instrumentation* instrumentation = runtime->GetInstrumentation(); |
| 205 | self->TransitionFromRunnableToSuspended(kSuspended); |
| 206 | runtime->GetThreadList()->SuspendAll("Single method deoptimization"); |
| 207 | if (enable_deoptimization) { |
| 208 | instrumentation->EnableDeoptimization(); |
| 209 | } |
| 210 | instrumentation->Deoptimize(method.Get()); |
| 211 | runtime->GetThreadList()->ResumeAll(); |
| 212 | self->TransitionFromSuspendedToRunnable(); |
| 213 | } |
| 214 | |
| 215 | void UndeoptimizeMethod(Thread* self, Handle<mirror::ArtMethod> method, |
| 216 | const char* key, bool disable_deoptimization) |
| 217 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 218 | Runtime* runtime = Runtime::Current(); |
| 219 | instrumentation::Instrumentation* instrumentation = runtime->GetInstrumentation(); |
| 220 | self->TransitionFromRunnableToSuspended(kSuspended); |
| 221 | runtime->GetThreadList()->SuspendAll("Single method undeoptimization"); |
| 222 | instrumentation->Undeoptimize(method.Get()); |
| 223 | if (disable_deoptimization) { |
| 224 | instrumentation->DisableDeoptimization(key); |
| 225 | } |
| 226 | runtime->GetThreadList()->ResumeAll(); |
| 227 | self->TransitionFromSuspendedToRunnable(); |
| 228 | } |
| 229 | |
| 230 | void DeoptimizeEverything(Thread* self, const char* key, bool enable_deoptimization) |
| 231 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 232 | Runtime* runtime = Runtime::Current(); |
| 233 | instrumentation::Instrumentation* instrumentation = runtime->GetInstrumentation(); |
| 234 | self->TransitionFromRunnableToSuspended(kSuspended); |
| 235 | runtime->GetThreadList()->SuspendAll("Full deoptimization"); |
| 236 | if (enable_deoptimization) { |
| 237 | instrumentation->EnableDeoptimization(); |
| 238 | } |
| 239 | instrumentation->DeoptimizeEverything(key); |
| 240 | runtime->GetThreadList()->ResumeAll(); |
| 241 | self->TransitionFromSuspendedToRunnable(); |
| 242 | } |
| 243 | |
| 244 | void UndeoptimizeEverything(Thread* self, const char* key, bool disable_deoptimization) |
| 245 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 246 | Runtime* runtime = Runtime::Current(); |
| 247 | instrumentation::Instrumentation* instrumentation = runtime->GetInstrumentation(); |
| 248 | self->TransitionFromRunnableToSuspended(kSuspended); |
| 249 | runtime->GetThreadList()->SuspendAll("Full undeoptimization"); |
| 250 | instrumentation->UndeoptimizeEverything(key); |
| 251 | if (disable_deoptimization) { |
| 252 | instrumentation->DisableDeoptimization(key); |
| 253 | } |
| 254 | runtime->GetThreadList()->ResumeAll(); |
| 255 | self->TransitionFromSuspendedToRunnable(); |
| 256 | } |
| 257 | |
| 258 | void EnableMethodTracing(Thread* self, const char* key, bool needs_interpreter) |
| 259 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 260 | Runtime* runtime = Runtime::Current(); |
| 261 | instrumentation::Instrumentation* instrumentation = runtime->GetInstrumentation(); |
| 262 | self->TransitionFromRunnableToSuspended(kSuspended); |
| 263 | runtime->GetThreadList()->SuspendAll("EnableMethodTracing"); |
| 264 | instrumentation->EnableMethodTracing(key, needs_interpreter); |
| 265 | runtime->GetThreadList()->ResumeAll(); |
| 266 | self->TransitionFromSuspendedToRunnable(); |
| 267 | } |
| 268 | |
| 269 | void DisableMethodTracing(Thread* self, const char* key) |
| 270 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 271 | Runtime* runtime = Runtime::Current(); |
| 272 | instrumentation::Instrumentation* instrumentation = runtime->GetInstrumentation(); |
| 273 | self->TransitionFromRunnableToSuspended(kSuspended); |
| 274 | runtime->GetThreadList()->SuspendAll("EnableMethodTracing"); |
| 275 | instrumentation->DisableMethodTracing(key); |
| 276 | runtime->GetThreadList()->ResumeAll(); |
| 277 | self->TransitionFromSuspendedToRunnable(); |
| 278 | } |
| 279 | |
| 280 | private: |
| 281 | static bool HasEventListener(const instrumentation::Instrumentation* instr, uint32_t event_type) |
| 282 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 283 | switch (event_type) { |
| 284 | case instrumentation::Instrumentation::kMethodEntered: |
| 285 | return instr->HasMethodEntryListeners(); |
| 286 | case instrumentation::Instrumentation::kMethodExited: |
| 287 | return instr->HasMethodExitListeners(); |
| 288 | case instrumentation::Instrumentation::kMethodUnwind: |
| 289 | return instr->HasMethodUnwindListeners(); |
| 290 | case instrumentation::Instrumentation::kDexPcMoved: |
| 291 | return instr->HasDexPcListeners(); |
| 292 | case instrumentation::Instrumentation::kFieldRead: |
| 293 | return instr->HasFieldReadListeners(); |
| 294 | case instrumentation::Instrumentation::kFieldWritten: |
| 295 | return instr->HasFieldWriteListeners(); |
| 296 | case instrumentation::Instrumentation::kExceptionCaught: |
| 297 | return instr->HasExceptionCaughtListeners(); |
| 298 | case instrumentation::Instrumentation::kBackwardBranch: |
| 299 | return instr->HasBackwardBranchListeners(); |
| 300 | default: |
| 301 | LOG(FATAL) << "Unknown instrumentation event " << event_type; |
| 302 | UNREACHABLE(); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | static void ReportEvent(const instrumentation::Instrumentation* instr, uint32_t event_type, |
| 307 | Thread* self, mirror::ArtMethod* method, mirror::Object* obj, |
| 308 | uint32_t dex_pc) |
| 309 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 310 | switch (event_type) { |
| 311 | case instrumentation::Instrumentation::kMethodEntered: |
| 312 | instr->MethodEnterEvent(self, obj, method, dex_pc); |
| 313 | break; |
| 314 | case instrumentation::Instrumentation::kMethodExited: { |
| 315 | JValue value; |
| 316 | instr->MethodExitEvent(self, obj, method, dex_pc, value); |
| 317 | break; |
| 318 | } |
| 319 | case instrumentation::Instrumentation::kMethodUnwind: |
| 320 | instr->MethodUnwindEvent(self, obj, method, dex_pc); |
| 321 | break; |
| 322 | case instrumentation::Instrumentation::kDexPcMoved: |
| 323 | instr->DexPcMovedEvent(self, obj, method, dex_pc); |
| 324 | break; |
| 325 | case instrumentation::Instrumentation::kFieldRead: |
| 326 | instr->FieldReadEvent(self, obj, method, dex_pc, nullptr); |
| 327 | break; |
| 328 | case instrumentation::Instrumentation::kFieldWritten: { |
| 329 | JValue value; |
| 330 | instr->FieldWriteEvent(self, obj, method, dex_pc, nullptr, value); |
| 331 | break; |
| 332 | } |
| 333 | case instrumentation::Instrumentation::kExceptionCaught: { |
| 334 | ThrowArithmeticExceptionDivideByZero(); |
| 335 | mirror::Throwable* event_exception = self->GetException(); |
| 336 | instr->ExceptionCaughtEvent(self, event_exception); |
| 337 | self->ClearException(); |
| 338 | break; |
| 339 | } |
| 340 | case instrumentation::Instrumentation::kBackwardBranch: |
| 341 | instr->BackwardBranch(self, method, dex_pc); |
| 342 | break; |
| 343 | default: |
| 344 | LOG(FATAL) << "Unknown instrumentation event " << event_type; |
| 345 | UNREACHABLE(); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | static bool DidListenerReceiveEvent(const TestInstrumentationListener& listener, |
| 350 | uint32_t event_type) { |
| 351 | switch (event_type) { |
| 352 | case instrumentation::Instrumentation::kMethodEntered: |
| 353 | return listener.received_method_enter_event; |
| 354 | case instrumentation::Instrumentation::kMethodExited: |
| 355 | return listener.received_method_exit_event; |
| 356 | case instrumentation::Instrumentation::kMethodUnwind: |
| 357 | return listener.received_method_unwind_event; |
| 358 | case instrumentation::Instrumentation::kDexPcMoved: |
| 359 | return listener.received_dex_pc_moved_event; |
| 360 | case instrumentation::Instrumentation::kFieldRead: |
| 361 | return listener.received_field_read_event; |
| 362 | case instrumentation::Instrumentation::kFieldWritten: |
| 363 | return listener.received_field_written_event; |
| 364 | case instrumentation::Instrumentation::kExceptionCaught: |
| 365 | return listener.received_exception_caught_event; |
| 366 | case instrumentation::Instrumentation::kBackwardBranch: |
| 367 | return listener.received_backward_branch_event; |
| 368 | default: |
| 369 | LOG(FATAL) << "Unknown instrumentation event " << event_type; |
| 370 | UNREACHABLE(); |
| 371 | } |
| 372 | } |
| 373 | }; |
| 374 | |
| 375 | TEST_F(InstrumentationTest, NoInstrumentation) { |
| 376 | ScopedObjectAccess soa(Thread::Current()); |
| 377 | instrumentation::Instrumentation* instr = Runtime::Current()->GetInstrumentation(); |
| 378 | ASSERT_NE(instr, nullptr); |
| 379 | |
| 380 | EXPECT_FALSE(instr->AreExitStubsInstalled()); |
| 381 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 382 | EXPECT_FALSE(instr->IsActive()); |
| 383 | EXPECT_FALSE(instr->ShouldNotifyMethodEnterExitEvents()); |
| 384 | |
| 385 | // Test interpreter table is the default one. |
| 386 | EXPECT_EQ(instrumentation::kMainHandlerTable, instr->GetInterpreterHandlerTable()); |
| 387 | |
| 388 | // Check there is no registered listener. |
| 389 | EXPECT_FALSE(instr->HasDexPcListeners()); |
| 390 | EXPECT_FALSE(instr->HasExceptionCaughtListeners()); |
| 391 | EXPECT_FALSE(instr->HasFieldReadListeners()); |
| 392 | EXPECT_FALSE(instr->HasFieldWriteListeners()); |
| 393 | EXPECT_FALSE(instr->HasMethodEntryListeners()); |
| 394 | EXPECT_FALSE(instr->HasMethodExitListeners()); |
| 395 | EXPECT_FALSE(instr->IsActive()); |
| 396 | } |
| 397 | |
| 398 | // Test instrumentation listeners for each event. |
| 399 | TEST_F(InstrumentationTest, MethodEntryEvent) { |
| 400 | TestEvent(instrumentation::Instrumentation::kMethodEntered); |
| 401 | } |
| 402 | |
| 403 | TEST_F(InstrumentationTest, MethodExitEvent) { |
| 404 | TestEvent(instrumentation::Instrumentation::kMethodExited); |
| 405 | } |
| 406 | |
| 407 | TEST_F(InstrumentationTest, MethodUnwindEvent) { |
| 408 | TestEvent(instrumentation::Instrumentation::kMethodUnwind); |
| 409 | } |
| 410 | |
| 411 | TEST_F(InstrumentationTest, DexPcMovedEvent) { |
| 412 | TestEvent(instrumentation::Instrumentation::kDexPcMoved); |
| 413 | } |
| 414 | |
| 415 | TEST_F(InstrumentationTest, FieldReadEvent) { |
| 416 | TestEvent(instrumentation::Instrumentation::kFieldRead); |
| 417 | } |
| 418 | |
| 419 | TEST_F(InstrumentationTest, FieldWriteEvent) { |
| 420 | TestEvent(instrumentation::Instrumentation::kFieldWritten); |
| 421 | } |
| 422 | |
| 423 | TEST_F(InstrumentationTest, ExceptionCaughtEvent) { |
| 424 | TestEvent(instrumentation::Instrumentation::kExceptionCaught); |
| 425 | } |
| 426 | |
| 427 | TEST_F(InstrumentationTest, BackwardBranchEvent) { |
| 428 | TestEvent(instrumentation::Instrumentation::kBackwardBranch); |
| 429 | } |
| 430 | |
| 431 | TEST_F(InstrumentationTest, DeoptimizeDirectMethod) { |
| 432 | ScopedObjectAccess soa(Thread::Current()); |
| 433 | jobject class_loader = LoadDex("Instrumentation"); |
| 434 | Runtime* const runtime = Runtime::Current(); |
| 435 | instrumentation::Instrumentation* instr = runtime->GetInstrumentation(); |
| 436 | ClassLinker* class_linker = runtime->GetClassLinker(); |
| 437 | StackHandleScope<2> hs(soa.Self()); |
| 438 | Handle<mirror::ClassLoader> loader(hs.NewHandle(soa.Decode<mirror::ClassLoader*>(class_loader))); |
| 439 | mirror::Class* klass = class_linker->FindClass(soa.Self(), "LInstrumentation;", loader); |
| 440 | ASSERT_TRUE(klass != nullptr); |
| 441 | Handle<mirror::ArtMethod> method_to_deoptimize( |
| 442 | hs.NewHandle(klass->FindDeclaredDirectMethod("instanceMethod", "()V"))); |
| 443 | ASSERT_TRUE(method_to_deoptimize.Get() != nullptr); |
| 444 | |
| 445 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 446 | EXPECT_FALSE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 447 | |
| 448 | DeoptimizeMethod(soa.Self(), method_to_deoptimize, true); |
| 449 | |
| 450 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 451 | EXPECT_TRUE(instr->AreExitStubsInstalled()); |
| 452 | EXPECT_TRUE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 453 | |
| 454 | constexpr const char* instrumentation_key = "DeoptimizeDirectMethod"; |
| 455 | UndeoptimizeMethod(soa.Self(), method_to_deoptimize, instrumentation_key, true); |
| 456 | |
| 457 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 458 | EXPECT_FALSE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 459 | } |
| 460 | |
| 461 | TEST_F(InstrumentationTest, FullDeoptimization) { |
| 462 | ScopedObjectAccess soa(Thread::Current()); |
| 463 | Runtime* const runtime = Runtime::Current(); |
| 464 | instrumentation::Instrumentation* instr = runtime->GetInstrumentation(); |
| 465 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 466 | |
| 467 | constexpr const char* instrumentation_key = "FullDeoptimization"; |
| 468 | DeoptimizeEverything(soa.Self(), instrumentation_key, true); |
| 469 | |
| 470 | EXPECT_TRUE(instr->AreAllMethodsDeoptimized()); |
| 471 | EXPECT_TRUE(instr->AreExitStubsInstalled()); |
| 472 | |
| 473 | UndeoptimizeEverything(soa.Self(), instrumentation_key, true); |
| 474 | |
| 475 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 476 | } |
| 477 | |
| 478 | TEST_F(InstrumentationTest, MixedDeoptimization) { |
| 479 | ScopedObjectAccess soa(Thread::Current()); |
| 480 | jobject class_loader = LoadDex("Instrumentation"); |
| 481 | Runtime* const runtime = Runtime::Current(); |
| 482 | instrumentation::Instrumentation* instr = runtime->GetInstrumentation(); |
| 483 | ClassLinker* class_linker = runtime->GetClassLinker(); |
| 484 | StackHandleScope<2> hs(soa.Self()); |
| 485 | Handle<mirror::ClassLoader> loader(hs.NewHandle(soa.Decode<mirror::ClassLoader*>(class_loader))); |
| 486 | mirror::Class* klass = class_linker->FindClass(soa.Self(), "LInstrumentation;", loader); |
| 487 | ASSERT_TRUE(klass != nullptr); |
| 488 | Handle<mirror::ArtMethod> method_to_deoptimize( |
| 489 | hs.NewHandle(klass->FindDeclaredDirectMethod("instanceMethod", "()V"))); |
| 490 | ASSERT_TRUE(method_to_deoptimize.Get() != nullptr); |
| 491 | |
| 492 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 493 | EXPECT_FALSE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 494 | |
| 495 | DeoptimizeMethod(soa.Self(), method_to_deoptimize, true); |
| 496 | // Deoptimizing a method does not change instrumentation level. |
| 497 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentNothing, |
| 498 | GetCurrentInstrumentationLevel()); |
| 499 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 500 | EXPECT_TRUE(instr->AreExitStubsInstalled()); |
| 501 | EXPECT_TRUE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 502 | |
| 503 | constexpr const char* instrumentation_key = "MixedDeoptimization"; |
| 504 | DeoptimizeEverything(soa.Self(), instrumentation_key, false); |
| 505 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, |
| 506 | GetCurrentInstrumentationLevel()); |
| 507 | EXPECT_TRUE(instr->AreAllMethodsDeoptimized()); |
| 508 | EXPECT_TRUE(instr->AreExitStubsInstalled()); |
| 509 | EXPECT_TRUE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 510 | |
| 511 | UndeoptimizeEverything(soa.Self(), instrumentation_key, false); |
| 512 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentNothing, |
| 513 | GetCurrentInstrumentationLevel()); |
| 514 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 515 | EXPECT_TRUE(instr->AreExitStubsInstalled()); |
| 516 | EXPECT_TRUE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 517 | |
| 518 | UndeoptimizeMethod(soa.Self(), method_to_deoptimize, instrumentation_key, true); |
| 519 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentNothing, |
| 520 | GetCurrentInstrumentationLevel()); |
| 521 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 522 | EXPECT_FALSE(instr->IsDeoptimized(method_to_deoptimize.Get())); |
| 523 | } |
| 524 | |
| 525 | TEST_F(InstrumentationTest, MethodTracing_Interpreter) { |
| 526 | ScopedObjectAccess soa(Thread::Current()); |
| 527 | Runtime* const runtime = Runtime::Current(); |
| 528 | instrumentation::Instrumentation* instr = runtime->GetInstrumentation(); |
| 529 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 530 | |
| 531 | constexpr const char* instrumentation_key = "MethodTracing"; |
| 532 | EnableMethodTracing(soa.Self(), instrumentation_key, true); |
| 533 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, |
| 534 | GetCurrentInstrumentationLevel()); |
| 535 | EXPECT_TRUE(instr->AreAllMethodsDeoptimized()); |
| 536 | EXPECT_TRUE(instr->AreExitStubsInstalled()); |
| 537 | |
| 538 | DisableMethodTracing(soa.Self(), instrumentation_key); |
| 539 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentNothing, |
| 540 | GetCurrentInstrumentationLevel()); |
| 541 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 542 | } |
| 543 | |
| 544 | TEST_F(InstrumentationTest, MethodTracing_InstrumentationEntryExitStubs) { |
| 545 | ScopedObjectAccess soa(Thread::Current()); |
| 546 | Runtime* const runtime = Runtime::Current(); |
| 547 | instrumentation::Instrumentation* instr = runtime->GetInstrumentation(); |
| 548 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 549 | |
| 550 | constexpr const char* instrumentation_key = "MethodTracing"; |
| 551 | EnableMethodTracing(soa.Self(), instrumentation_key, false); |
| 552 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 553 | GetCurrentInstrumentationLevel()); |
| 554 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 555 | EXPECT_TRUE(instr->AreExitStubsInstalled()); |
| 556 | |
| 557 | DisableMethodTracing(soa.Self(), instrumentation_key); |
| 558 | EXPECT_EQ(Instrumentation::InstrumentationLevel::kInstrumentNothing, |
| 559 | GetCurrentInstrumentationLevel()); |
| 560 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); |
| 561 | } |
| 562 | |
| 563 | // We use a macro to print the line number where the test is failing. |
| 564 | #define CHECK_INSTRUMENTATION(_level, _user_count) \ |
| 565 | do { \ |
| 566 | Instrumentation* const instr = Runtime::Current()->GetInstrumentation(); \ |
| 567 | bool interpreter = \ |
| 568 | (_level == Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); \ |
| 569 | EXPECT_EQ(_level, GetCurrentInstrumentationLevel()); \ |
| 570 | EXPECT_EQ(_user_count, GetInstrumentationUserCount()); \ |
| 571 | if (instr->IsForcedInterpretOnly()) { \ |
| 572 | EXPECT_TRUE(instr->InterpretOnly()); \ |
| 573 | } else if (interpreter) { \ |
| 574 | EXPECT_TRUE(instr->InterpretOnly()); \ |
| 575 | } else { \ |
| 576 | EXPECT_FALSE(instr->InterpretOnly()); \ |
| 577 | } \ |
| 578 | if (interpreter) { \ |
| 579 | EXPECT_TRUE(instr->AreAllMethodsDeoptimized()); \ |
| 580 | } else { \ |
| 581 | EXPECT_FALSE(instr->AreAllMethodsDeoptimized()); \ |
| 582 | } \ |
| 583 | } while (false) |
| 584 | |
| 585 | TEST_F(InstrumentationTest, ConfigureStubs_Nothing) { |
| 586 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 587 | |
| 588 | // Check no-op. |
| 589 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 590 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 591 | } |
| 592 | |
| 593 | TEST_F(InstrumentationTest, ConfigureStubs_InstrumentationStubs) { |
| 594 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 595 | |
| 596 | // Check we can switch to instrumentation stubs |
| 597 | CheckConfigureStubs(kClientOneKey, |
| 598 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 599 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 600 | 1U); |
| 601 | |
| 602 | // Check we can disable instrumentation. |
| 603 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 604 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 605 | } |
| 606 | |
| 607 | TEST_F(InstrumentationTest, ConfigureStubs_Interpreter) { |
| 608 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 609 | |
| 610 | // Check we can switch to interpreter |
| 611 | CheckConfigureStubs(kClientOneKey, |
| 612 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 613 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 614 | |
| 615 | // Check we can disable instrumentation. |
| 616 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 617 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 618 | } |
| 619 | |
| 620 | TEST_F(InstrumentationTest, ConfigureStubs_InstrumentationStubsToInterpreter) { |
| 621 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 622 | |
| 623 | // Configure stubs with instrumentation stubs. |
| 624 | CheckConfigureStubs(kClientOneKey, |
| 625 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 626 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 627 | 1U); |
| 628 | |
| 629 | // Configure stubs with interpreter. |
| 630 | CheckConfigureStubs(kClientOneKey, |
| 631 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 632 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 633 | |
| 634 | // Check we can disable instrumentation. |
| 635 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 636 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 637 | } |
| 638 | |
| 639 | TEST_F(InstrumentationTest, ConfigureStubs_InterpreterToInstrumentationStubs) { |
| 640 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 641 | |
| 642 | // Configure stubs with interpreter. |
| 643 | CheckConfigureStubs(kClientOneKey, |
| 644 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 645 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 646 | |
| 647 | // Configure stubs with instrumentation stubs. |
| 648 | CheckConfigureStubs(kClientOneKey, |
| 649 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 650 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 651 | 1U); |
| 652 | |
| 653 | // Check we can disable instrumentation. |
| 654 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 655 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 656 | } |
| 657 | |
| 658 | TEST_F(InstrumentationTest, |
| 659 | ConfigureStubs_InstrumentationStubsToInterpreterToInstrumentationStubs) { |
| 660 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 661 | |
| 662 | // Configure stubs with instrumentation stubs. |
| 663 | CheckConfigureStubs(kClientOneKey, |
| 664 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 665 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 666 | 1U); |
| 667 | |
| 668 | // Configure stubs with interpreter. |
| 669 | CheckConfigureStubs(kClientOneKey, |
| 670 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 671 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 672 | |
| 673 | // Configure stubs with instrumentation stubs again. |
| 674 | CheckConfigureStubs(kClientOneKey, |
| 675 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 676 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 677 | 1U); |
| 678 | |
| 679 | // Check we can disable instrumentation. |
| 680 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 681 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 682 | } |
| 683 | |
| 684 | TEST_F(InstrumentationTest, MultiConfigureStubs_Nothing) { |
| 685 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 686 | |
| 687 | // Check kInstrumentNothing with two clients. |
| 688 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 689 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 690 | |
| 691 | CheckConfigureStubs(kClientTwoKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 692 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 693 | } |
| 694 | |
| 695 | TEST_F(InstrumentationTest, MultiConfigureStubs_InstrumentationStubs) { |
| 696 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 697 | |
| 698 | // Configure stubs with instrumentation stubs for 1st client. |
| 699 | CheckConfigureStubs(kClientOneKey, |
| 700 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 701 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 702 | 1U); |
| 703 | |
| 704 | // Configure stubs with instrumentation stubs for 2nd client. |
| 705 | CheckConfigureStubs(kClientTwoKey, |
| 706 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 707 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 708 | 2U); |
| 709 | |
| 710 | // 1st client requests instrumentation deactivation but 2nd client still needs |
| 711 | // instrumentation stubs. |
| 712 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 713 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 714 | 1U); |
| 715 | |
| 716 | // 2nd client requests instrumentation deactivation |
| 717 | CheckConfigureStubs(kClientTwoKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 718 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 719 | } |
| 720 | |
| 721 | TEST_F(InstrumentationTest, MultiConfigureStubs_Interpreter) { |
| 722 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 723 | |
| 724 | // Configure stubs with interpreter for 1st client. |
| 725 | CheckConfigureStubs(kClientOneKey, |
| 726 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 727 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 728 | |
| 729 | // Configure stubs with interpreter for 2nd client. |
| 730 | CheckConfigureStubs(kClientTwoKey, |
| 731 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 732 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 2U); |
| 733 | |
| 734 | // 1st client requests instrumentation deactivation but 2nd client still needs interpreter. |
| 735 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 736 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 737 | |
| 738 | // 2nd client requests instrumentation deactivation |
| 739 | CheckConfigureStubs(kClientTwoKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 740 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 741 | } |
| 742 | |
| 743 | TEST_F(InstrumentationTest, MultiConfigureStubs_InstrumentationStubsThenInterpreter) { |
| 744 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 745 | |
| 746 | // Configure stubs with instrumentation stubs for 1st client. |
| 747 | CheckConfigureStubs(kClientOneKey, |
| 748 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 749 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 750 | 1U); |
| 751 | |
| 752 | // Configure stubs with interpreter for 2nd client. |
| 753 | CheckConfigureStubs(kClientTwoKey, |
| 754 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 755 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 2U); |
| 756 | |
| 757 | // 1st client requests instrumentation deactivation but 2nd client still needs interpreter. |
| 758 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 759 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 760 | |
| 761 | // 2nd client requests instrumentation deactivation |
| 762 | CheckConfigureStubs(kClientTwoKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 763 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 764 | } |
| 765 | |
| 766 | TEST_F(InstrumentationTest, MultiConfigureStubs_InterpreterThenInstrumentationStubs) { |
| 767 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 768 | |
| 769 | // Configure stubs with interpreter for 1st client. |
| 770 | CheckConfigureStubs(kClientOneKey, |
| 771 | Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter); |
| 772 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 1U); |
| 773 | |
| 774 | // Configure stubs with instrumentation stubs for 2nd client. |
| 775 | CheckConfigureStubs(kClientTwoKey, |
| 776 | Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs); |
| 777 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInterpreter, 2U); |
| 778 | |
| 779 | // 1st client requests instrumentation deactivation but 2nd client still needs |
| 780 | // instrumentation stubs. |
| 781 | CheckConfigureStubs(kClientOneKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 782 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentWithInstrumentationStubs, |
| 783 | 1U); |
| 784 | |
| 785 | // 2nd client requests instrumentation deactivation |
| 786 | CheckConfigureStubs(kClientTwoKey, Instrumentation::InstrumentationLevel::kInstrumentNothing); |
| 787 | CHECK_INSTRUMENTATION(Instrumentation::InstrumentationLevel::kInstrumentNothing, 0U); |
| 788 | } |
| 789 | |
| 790 | } // namespace instrumentation |
| 791 | } // namespace art |