1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef V8_PROFILER_CPU_PROFILER_INL_H_
6 #define V8_PROFILER_CPU_PROFILER_INL_H_
7
8 #include "src/profiler/cpu-profiler.h"
9
10 #include <new>
11 #include "src/profiler/circular-queue-inl.h"
12 #include "src/profiler/profile-generator-inl.h"
13
14 namespace v8 {
15 namespace internal {
16
UpdateCodeMap(CodeMap * code_map)17 void CodeCreateEventRecord::UpdateCodeMap(CodeMap* code_map) {
18 code_map->AddCode(instruction_start, entry, instruction_size);
19 }
20
21
UpdateCodeMap(CodeMap * code_map)22 void CodeMoveEventRecord::UpdateCodeMap(CodeMap* code_map) {
23 code_map->MoveCode(from_instruction_start, to_instruction_start);
24 }
25
26
UpdateCodeMap(CodeMap * code_map)27 void CodeDisableOptEventRecord::UpdateCodeMap(CodeMap* code_map) {
28 CodeEntry* entry = code_map->FindEntry(instruction_start);
29 if (entry != nullptr) {
30 entry->set_bailout_reason(bailout_reason);
31 }
32 }
33
34
UpdateCodeMap(CodeMap * code_map)35 void CodeDeoptEventRecord::UpdateCodeMap(CodeMap* code_map) {
36 CodeEntry* entry = code_map->FindEntry(instruction_start);
37 if (entry != nullptr) {
38 std::vector<CpuProfileDeoptFrame> frames_vector(
39 deopt_frames, deopt_frames + deopt_frame_count);
40 entry->set_deopt_info(deopt_reason, deopt_id, std::move(frames_vector));
41 }
42 delete[] deopt_frames;
43 }
44
45
UpdateCodeMap(CodeMap * code_map)46 void ReportBuiltinEventRecord::UpdateCodeMap(CodeMap* code_map) {
47 CodeEntry* entry = code_map->FindEntry(instruction_start);
48 if (entry) {
49 entry->SetBuiltinId(builtin);
50 return;
51 }
52 #if V8_ENABLE_WEBASSEMBLY
53 if (builtin == Builtin::kGenericJSToWasmWrapper) {
54 // Make sure to add the generic js-to-wasm wrapper builtin, because that
55 // one is supposed to show up in profiles.
56 entry = code_map->code_entries().Create(CodeEventListener::BUILTIN_TAG,
57 Builtins::name(builtin));
58 code_map->AddCode(instruction_start, entry, instruction_size);
59 }
60 #endif // V8_ENABLE_WEBASSEMBLY
61 }
62
StartTickSample()63 TickSample* SamplingEventsProcessor::StartTickSample() {
64 void* address = ticks_buffer_.StartEnqueue();
65 if (address == nullptr) return nullptr;
66 TickSampleEventRecord* evt =
67 new (address) TickSampleEventRecord(last_code_event_id_);
68 return &evt->sample;
69 }
70
UpdateCodeMap(CodeMap * code_map)71 void CodeDeleteEventRecord::UpdateCodeMap(CodeMap* code_map) {
72 bool removed = code_map->RemoveCode(entry);
73 CHECK(removed);
74 }
75
FinishTickSample()76 void SamplingEventsProcessor::FinishTickSample() {
77 ticks_buffer_.FinishEnqueue();
78 }
79
80 } // namespace internal
81 } // namespace v8
82
83 #endif // V8_PROFILER_CPU_PROFILER_INL_H_
84