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      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
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     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 
     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 
     49 void CodeMoveEventRecord::UpdateCodeMap(CodeMap* code_map) {
     50   code_map->MoveCode(from, to);
     51 }
     52 
     53 
     54 void SharedFunctionInfoMoveEventRecord::UpdateCodeMap(CodeMap* code_map) {
     55   code_map->MoveCode(from, to);
     56 }
     57 
     58 
     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 
     70 TickSample* CpuProfiler::StartTickSample() {
     71   if (is_profiling_) return processor_->StartTickSample();
     72   return NULL;
     73 }
     74 
     75 
     76 void CpuProfiler::FinishTickSample() {
     77   processor_->FinishTickSample();
     78 }
     79 
     80 
     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 
     90 void ProfilerEventsProcessor::FinishTickSample() {
     91   ticks_buffer_.FinishEnqueue();
     92 }
     93 
     94 } }  // namespace v8::internal
     95 
     96 #endif  // V8_CPU_PROFILER_INL_H_
     97