Home | History | Annotate | Download | only in src
      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 #ifdef ENABLE_LOGGING_AND_PROFILING
     34 
     35 #include "circular-queue-inl.h"
     36 #include "profile-generator-inl.h"
     37 #include "unbound-queue-inl.h"
     38 
     39 namespace v8 {
     40 namespace internal {
     41 
     42 void CodeCreateEventRecord::UpdateCodeMap(CodeMap* code_map) {
     43   code_map->AddCode(start, entry, size);
     44   if (shared != NULL) {
     45     entry->set_shared_id(code_map->GetSharedId(shared));
     46   }
     47 }
     48 
     49 
     50 void CodeMoveEventRecord::UpdateCodeMap(CodeMap* code_map) {
     51   code_map->MoveCode(from, to);
     52 }
     53 
     54 
     55 void CodeDeleteEventRecord::UpdateCodeMap(CodeMap* code_map) {
     56   code_map->DeleteCode(start);
     57 }
     58 
     59 
     60 void SharedFunctionInfoMoveEventRecord::UpdateCodeMap(CodeMap* code_map) {
     61   code_map->MoveCode(from, to);
     62 }
     63 
     64 
     65 TickSampleEventRecord* TickSampleEventRecord::init(void* value) {
     66   TickSampleEventRecord* result =
     67       reinterpret_cast<TickSampleEventRecord*>(value);
     68   result->filler = 1;
     69   ASSERT(result->filler != SamplingCircularQueue::kClear);
     70   // Init the required fields only.
     71   result->sample.pc = NULL;
     72   result->sample.frames_count = 0;
     73   result->sample.has_external_callback = false;
     74   return result;
     75 }
     76 
     77 
     78 TickSample* ProfilerEventsProcessor::TickSampleEvent() {
     79   generator_->Tick();
     80   TickSampleEventRecord* evt =
     81       TickSampleEventRecord::init(ticks_buffer_.Enqueue());
     82   evt->order = enqueue_order_;  // No increment!
     83   return &evt->sample;
     84 }
     85 
     86 
     87 bool ProfilerEventsProcessor::FilterOutCodeCreateEvent(
     88     Logger::LogEventsAndTags tag) {
     89   return FLAG_prof_browser_mode
     90       && (tag != Logger::CALLBACK_TAG
     91           && tag != Logger::FUNCTION_TAG
     92           && tag != Logger::LAZY_COMPILE_TAG
     93           && tag != Logger::REG_EXP_TAG
     94           && tag != Logger::SCRIPT_TAG);
     95 }
     96 
     97 } }  // namespace v8::internal
     98 
     99 #endif  // ENABLE_LOGGING_AND_PROFILING
    100 
    101 #endif  // V8_CPU_PROFILER_INL_H_
    102