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(content::ProcessType process_type)
  15     : BrowserMessageFilter(ChildProcessMsgStart), 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 handled = true;
  26   IPC_BEGIN_MESSAGE_MAP(ProfilerMessageFilter, message)
  27     IPC_MESSAGE_HANDLER(ChildProcessHostMsg_ChildProfilerData,
  28                         OnChildProfilerData)
  29 #if defined(USE_TCMALLOC)
  30     IPC_MESSAGE_HANDLER(ChildProcessHostMsg_TcmallocStats, OnTcmallocStats)
  31 #endif
  32     IPC_MESSAGE_UNHANDLED(handled = false)
  33   IPC_END_MESSAGE_MAP()
  34   return handled;
  35 }
  36
  37 ProfilerMessageFilter::~ProfilerMessageFilter() {}
  38
  39 void ProfilerMessageFilter::OnChildProfilerData(
  40     int sequence_number,
  41     const tracked_objects::ProcessDataSnapshot& profiler_data) {
  42   ProfilerControllerImpl::GetInstance()->OnProfilerDataCollected(
  43       sequence_number, profiler_data, process_type_);
  44 }
  45
  46 #if defined(USE_TCMALLOC)
  47 void ProfilerMessageFilter::OnTcmallocStats(const std::string& output) {
  48   AboutTcmallocOutputs::GetInstance()->OnStatsForChildProcess(
  49         peer_pid(), process_type_, output);
  50 }
  51 #endif
  52
  53 }