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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 #include <iostream> | |
| 6 #include <sstream> | |
| 7 #include <string> | |
| 8 #include "vm/dart_api_impl.h" | |
| 9 #include "vm/growable_array.h" | |
| 10 #include "vm/heap.h" | |
| 11 #include "vm/heap_trace.h" | |
| 12 #include "vm/unit_test.h" | |
| 13 | |
| 14 namespace dart { | |
| 15 | |
| 16 // only ia32 can run heap trace tests. | |
| 17 #if defined(TARGET_ARCH_IA32) | |
| 18 static std::stringstream* global_stream; | |
| 19 | |
| 20 static void* OpenTraceFile(const char* name) { | |
| 21 ASSERT(global_stream == NULL); | |
| 22 global_stream = new std::stringstream; | |
| 23 return reinterpret_cast<void*>(global_stream); | |
| 24 } | |
| 25 | |
| 26 | |
| 27 static void WriteToTraceFile(const void* data, intptr_t length, void* stream) { | |
| 28 ASSERT(stream == global_stream); | |
| 29 std::stringstream* sstream = reinterpret_cast<std::stringstream*>(stream); | |
| 30 sstream->write(reinterpret_cast<const char*>(data), length); | |
| 31 } | |
| 32 | |
| 33 | |
| 34 static void CloseTraceFile(void *stream) { | |
| 35 ASSERT(stream == global_stream); | |
| 36 global_stream = NULL; | |
| 37 delete reinterpret_cast<std::stringstream*>(stream); | |
| 38 } | |
| 39 | |
| 40 | |
| 41 bool DoesAllocationRecordExist(uword addr, const std::string& trace_string) { | |
| 42 const char* raw_trace = trace_string.c_str(); | |
| 43 for (size_t i = 0; i < trace_string.length(); ++i) { | |
| 44 if ((raw_trace[i] == 'A') && (i + 4 < trace_string.length())) { | |
| 45 const uword candidate_address = | |
| 46 *(reinterpret_cast<const uword*>(raw_trace + i + 1)); | |
| 47 if (candidate_address == addr) { | |
| 48 return true; | |
| 49 } | |
| 50 } | |
| 51 } | |
| 52 return false; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 bool DoesSweepRecordExist(uword addr, const std::string& trace_string) { | |
| 57 const char* raw_trace = trace_string.c_str(); | |
| 58 for (size_t i = 0; i < trace_string.length(); ++i) { | |
| 59 if ((raw_trace[i] == 'S') && (i + 4 < trace_string.length())) { | |
| 60 const uword candidate_address = | |
| 61 *(reinterpret_cast<const uword*>(raw_trace + i + 1)); | |
| 62 if (candidate_address == addr) { | |
| 63 return true; | |
| 64 } | |
| 65 } | |
| 66 } | |
| 67 return false; | |
| 68 } | |
| 69 | |
| 70 | |
| 71 TEST_CASE(GCTraceAllocate) { | |
| 72 HeapTrace::InitOnce(OpenTraceFile, | |
| 73 WriteToTraceFile, | |
| 74 CloseTraceFile); | |
| 75 | |
| 76 Isolate* isolate = Isolate::Current(); | |
| 77 isolate->heap()->trace()->Init(isolate); | |
| 78 | |
| 79 const int kArrayLen = 5; | |
| 80 RawArray* raw_arr = Array::New(kArrayLen); | |
| 81 uword addr = RawObject::ToAddr(raw_arr); | |
| 82 | |
| 83 ASSERT(DoesAllocationRecordExist(addr, global_stream->str())); | |
| 84 } | |
| 85 | |
| 86 | |
| 87 TEST_CASE(GCTraceSweep) { | |
| 88 HeapTrace::InitOnce(OpenTraceFile, | |
| 89 WriteToTraceFile, | |
| 90 CloseTraceFile); | |
| 91 | |
| 92 Isolate* isolate = Isolate::Current(); | |
| 93 isolate->heap()->trace()->Init(isolate); | |
| 94 | |
| 95 const int kArrayLen = 5; | |
| 96 RawArray* raw_arr = Array::New(kArrayLen, Heap::kOld); | |
| 97 uword addr = RawObject::ToAddr(raw_arr); | |
| 98 | |
| 99 Isolate::Current()->heap()->CollectGarbage(Heap::kOld); | |
| 100 DoesSweepRecordExist(addr, global_stream->str()); | |
| 101 } | |
| 102 #endif | |
| 103 | |
| 104 } // namespace dart | |
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Chromium Code Reviews
Issue 14179015:
- Remove heap tracing. (Closed)
Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/