content/browser/profiler_message_filter.cc

   1 // Copyright (c) 2012 The Chromium 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 #include "content/browser/profiler_message_filter.h"
   6
   7 #include "base/tracked_objects.h"
   8 #include "content/browser/profiler_controller_impl.h"
   9 #include "content/browser/tcmalloc_internals_request_job.h"
  10 #include "content/common/child_process_messages.h"
  11
  12 namespace content {
  13
  14 ProfilerMessageFilter::ProfilerMessageFilter(int process_type)
  15     : process_type_(process_type) {
  16 }
  17
  18 void ProfilerMessageFilter::OnChannelConnected(int32 peer_pid) {
  19   tracked_objects::ThreadData::Status status =
  20       tracked_objects::ThreadData::status();
  21   Send(new ChildProcessMsg_SetProfilerStatus(status));
  22 }
  23
  24 bool ProfilerMessageFilter::OnMessageReceived(const IPC::Message& message,
  25                                               bool* message_was_ok) {
  26   bool handled = true;
  27   IPC_BEGIN_MESSAGE_MAP_EX(ProfilerMessageFilter, message, *message_was_ok)
  28     IPC_MESSAGE_HANDLER(ChildProcessHostMsg_ChildProfilerData,
  29                         OnChildProfilerData)
  30 #if defined(USE_TCMALLOC)
  31     IPC_MESSAGE_HANDLER(ChildProcessHostMsg_TcmallocStats, OnTcmallocStats)
  32 #endif
  33     IPC_MESSAGE_UNHANDLED(handled = false)
  34   IPC_END_MESSAGE_MAP_EX()
  35   return handled;
  36 }
  37
  38 ProfilerMessageFilter::~ProfilerMessageFilter() {}
  39
  40 void ProfilerMessageFilter::OnChildProfilerData(
  41     int sequence_number,
  42     const tracked_objects::ProcessDataSnapshot& profiler_data) {
  43   ProfilerControllerImpl::GetInstance()->OnProfilerDataCollected(
  44       sequence_number, profiler_data, process_type_);
  45 }
  46
  47 #if defined(USE_TCMALLOC)
  48 void ProfilerMessageFilter::OnTcmallocStats(const std::string& output) {
  49   AboutTcmallocOutputs::GetInstance()->OnStatsForChildProcess(
  50         peer_pid(), process_type_, output);
  51 }
  52 #endif
  53
  54 }