1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28 #ifndef V8_CPU_PROFILER_INL_H_
29 #define V8_CPU_PROFILER_INL_H_
30
31 #include "cpu-profiler.h"
32
33 #include <new>
34 #include "circular-queue-inl.h"
35 #include "profile-generator-inl.h"
36 #include "unbound-queue-inl.h"
37
38 namespace v8 {
39 namespace internal {
40
UpdateCodeMap(CodeMap * code_map)41 void CodeCreateEventRecord::UpdateCodeMap(CodeMap* code_map) {
42 code_map->AddCode(start, entry, size);
43 if (shared != NULL) {
44 entry->set_shared_id(code_map->GetSharedId(shared));
45 }
46 }
47
48
UpdateCodeMap(CodeMap * code_map)49 void CodeMoveEventRecord::UpdateCodeMap(CodeMap* code_map) {
50 code_map->MoveCode(from, to);
51 }
52
53
UpdateCodeMap(CodeMap * code_map)54 void SharedFunctionInfoMoveEventRecord::UpdateCodeMap(CodeMap* code_map) {
55 code_map->MoveCode(from, to);
56 }
57
58
UpdateCodeMap(CodeMap * code_map)59 void ReportBuiltinEventRecord::UpdateCodeMap(CodeMap* code_map) {
60 CodeEntry* entry = code_map->FindEntry(start);
61 if (!entry) {
62 // Code objects for builtins should already have been added to the map but
63 // some of them have been filtered out by CpuProfiler.
64 return;
65 }
66 entry->SetBuiltinId(builtin_id);
67 }
68
69
StartTickSample()70 TickSample* CpuProfiler::StartTickSample() {
71 if (is_profiling_) return processor_->StartTickSample();
72 return NULL;
73 }
74
75
FinishTickSample()76 void CpuProfiler::FinishTickSample() {
77 processor_->FinishTickSample();
78 }
79
80
StartTickSample()81 TickSample* ProfilerEventsProcessor::StartTickSample() {
82 void* address = ticks_buffer_.StartEnqueue();
83 if (address == NULL) return NULL;
84 TickSampleEventRecord* evt =
85 new(address) TickSampleEventRecord(last_code_event_id_);
86 return &evt->sample;
87 }
88
89
FinishTickSample()90 void ProfilerEventsProcessor::FinishTickSample() {
91 ticks_buffer_.FinishEnqueue();
92 }
93
94 } } // namespace v8::internal
95
96 #endif // V8_CPU_PROFILER_INL_H_
97