components/tracing/tracing_messages.h

   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 // Multiply-included message header, no traditional include guard.
   6 #include <string>
   7 #include <vector>
   8
   9 #include "base/basictypes.h"
  10 #include "base/sync_socket.h"
  11 #include "ipc/ipc_channel_handle.h"
  12 #include "ipc/ipc_message_macros.h"
  13 #include "ipc/ipc_message_utils.h"
  14 #include "ipc/ipc_platform_file.h"
  15
  16 #define IPC_MESSAGE_START TracingMsgStart
  17
  18 // Sent to all child processes to enable trace event recording.
  19 IPC_MESSAGE_CONTROL3(TracingMsg_BeginTracing,
  20                      std::string /*  category_filter_str */,
  21                      base::TimeTicks /* browser_time */,
  22                      int /* base::debug::TraceLog::Options */)
  23
  24 // Sent to all child processes to disable trace event recording.
  25 IPC_MESSAGE_CONTROL0(TracingMsg_EndTracing)
  26
  27 // Sent to all child processes to get trace buffer fullness.
  28 IPC_MESSAGE_CONTROL0(TracingMsg_GetTraceBufferPercentFull)
  29
  30 // Sent to all child processes to set watch event.
  31 IPC_MESSAGE_CONTROL2(TracingMsg_SetWatchEvent,
  32                      std::string /* category_name */,
  33                      std::string /* event_name */)
  34
  35 // Sent to all child processes to clear watch event.
  36 IPC_MESSAGE_CONTROL0(TracingMsg_CancelWatchEvent)
  37
  38 // Notify the browser that this child process supports tracing.
  39 IPC_MESSAGE_CONTROL0(TracingHostMsg_ChildSupportsTracing)
  40
  41 // Reply from child processes acking ChildProcessMsg_TraceChangeStatus(false).
  42 IPC_MESSAGE_CONTROL1(TracingHostMsg_EndTracingAck,
  43                      std::vector<std::string> /* known_categories */)
  44
  45 // Sent if the trace buffer becomes full.
  46 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceNotification,
  47                      int /* base::debug::TraceLog::Notification */)
  48
  49 // Child processes send trace data back in JSON chunks.
  50 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceDataCollected,
  51                      std::string /*json trace data*/)
  52
  53 // Reply to TracingMsg_GetTraceBufferPercentFull.
  54 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceBufferPercentFullReply,
  55                      float /*trace buffer percent full*/)
  56