1 /*
2  * Copyright (C) 2014 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 "gc_cause.h"
18 #include "globals.h"
19 #include "base/logging.h"
20 
21 #include <ostream>
22 
23 namespace art {
24 namespace gc {
25 
PrettyCause(GcCause cause)26 const char* PrettyCause(GcCause cause) {
27   switch (cause) {
28     case kGcCauseForAlloc: return "Alloc";
29     case kGcCauseBackground: return "Background";
30     case kGcCauseExplicit: return "Explicit";
31     case kGcCauseForNativeAlloc: return "NativeAlloc";
32     case kGcCauseForNativeAllocBackground: return "NativeAllocBackground";
33     case kGcCauseCollectorTransition: return "CollectorTransition";
34     case kGcCauseDisableMovingGc: return "DisableMovingGc";
35     case kGcCauseHomogeneousSpaceCompact: return "HomogeneousSpaceCompact";
36     case kGcCauseTrim: return "HeapTrim";
37     case kGcCauseInstrumentation: return "Instrumentation";
38     case kGcCauseAddRemoveAppImageSpace: return "AddRemoveAppImageSpace";
39     case kGcCauseDebugger: return "Debugger";
40     case kGcCauseClassLinker: return "ClassLinker";
41     case kGcCauseJitCodeCache: return "JitCodeCache";
42     case kGcCauseAddRemoveSystemWeakHolder: return "SystemWeakHolder";
43     case kGcCauseHprof: return "Hprof";
44     case kGcCauseGetObjectsAllocated: return "ObjectsAllocated";
45     case kGcCauseProfileSaver: return "ProfileSaver";
46   }
47   LOG(FATAL) << "Unreachable";
48   UNREACHABLE();
49 }
50 
operator <<(std::ostream & os,const GcCause & gc_cause)51 std::ostream& operator<<(std::ostream& os, const GcCause& gc_cause) {
52   os << PrettyCause(gc_cause);
53   return os;
54 }
55 
56 }  // namespace gc
57 }  // namespace art
58