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/metrics/histogram.h"
  11 #include "base/sync_socket.h"
  12 #include "base/trace_event/memory_dump_request_args.h"
  13 #include "base/trace_event/trace_event_impl.h"
  14 #include "components/tracing/tracing_export.h"
  15 #include "ipc/ipc_channel_handle.h"
  16 #include "ipc/ipc_message_macros.h"
  17 #include "ipc/ipc_message_utils.h"
  18 #include "ipc/ipc_platform_file.h"
  19
  20 #undef IPC_MESSAGE_EXPORT
  21 #define IPC_MESSAGE_EXPORT TRACING_EXPORT
  22 #define IPC_MESSAGE_START TracingMsgStart
  23
  24 IPC_STRUCT_TRAITS_BEGIN(base::trace_event::TraceLogStatus)
  25 IPC_STRUCT_TRAITS_MEMBER(event_capacity)
  26 IPC_STRUCT_TRAITS_MEMBER(event_count)
  27 IPC_STRUCT_TRAITS_END()
  28
  29 IPC_STRUCT_TRAITS_BEGIN(base::trace_event::MemoryDumpRequestArgs)
  30 IPC_STRUCT_TRAITS_MEMBER(dump_guid)
  31 IPC_STRUCT_TRAITS_MEMBER(dump_type)
  32 IPC_STRUCT_TRAITS_MEMBER(level_of_detail)
  33 IPC_STRUCT_TRAITS_END()
  34
  35 IPC_STRUCT_TRAITS_BEGIN(base::trace_event::MemoryDumpArgs)
  36   IPC_STRUCT_TRAITS_MEMBER(level_of_detail)
  37 IPC_STRUCT_TRAITS_END()
  38
  39 IPC_ENUM_TRAITS_MAX_VALUE(base::trace_event::MemoryDumpLevelOfDetail,
  40                           base::trace_event::MemoryDumpLevelOfDetail::LAST)
  41
  42 IPC_ENUM_TRAITS_MAX_VALUE(
  43     base::trace_event::MemoryDumpType,
  44     static_cast<int>(base::trace_event::MemoryDumpType::LAST))
  45
  46 // Sent to all child processes to enable trace event recording.
  47 IPC_MESSAGE_CONTROL3(TracingMsg_BeginTracing,
  48                      std::string /*  trace_config_str */,
  49                      base::TraceTicks /* browser_time */,
  50                      uint64 /* Tracing process id (hash of child id) */)
  51
  52 // Sent to all child processes to disable trace event recording.
  53 IPC_MESSAGE_CONTROL0(TracingMsg_EndTracing)
  54
  55 // Sent to all child processes to cancel trace event recording.
  56 IPC_MESSAGE_CONTROL0(TracingMsg_CancelTracing)
  57
  58 // Sent to all child processes to start monitoring.
  59 IPC_MESSAGE_CONTROL2(TracingMsg_EnableMonitoring,
  60                      std::string /*  trace_config_str */,
  61                      base::TraceTicks /* browser_time */)
  62
  63 // Sent to all child processes to stop monitoring.
  64 IPC_MESSAGE_CONTROL0(TracingMsg_DisableMonitoring)
  65
  66 // Sent to all child processes to capture the current monitorint snapshot.
  67 IPC_MESSAGE_CONTROL0(TracingMsg_CaptureMonitoringSnapshot)
  68
  69 // Sent to all child processes to get trace buffer fullness.
  70 IPC_MESSAGE_CONTROL0(TracingMsg_GetTraceLogStatus)
  71
  72 // Sent to all child processes to set watch event.
  73 IPC_MESSAGE_CONTROL2(TracingMsg_SetWatchEvent,
  74                      std::string /* category_name */,
  75                      std::string /* event_name */)
  76
  77 // Sent to all child processes to clear watch event.
  78 IPC_MESSAGE_CONTROL0(TracingMsg_CancelWatchEvent)
  79
  80 // Sent to all child processes to request a local (current process) memory dump.
  81 IPC_MESSAGE_CONTROL1(TracingMsg_ProcessMemoryDumpRequest,
  82                      base::trace_event::MemoryDumpRequestArgs)
  83
  84 // Reply to TracingHostMsg_GlobalMemoryDumpRequest, sent by the browser process.
  85 // This is to get the result of a global dump initiated by a child process.
  86 IPC_MESSAGE_CONTROL2(TracingMsg_GlobalMemoryDumpResponse,
  87                      uint64 /* dump_guid */,
  88                      bool /* success */)
  89
  90 IPC_MESSAGE_CONTROL2(TracingMsg_SetUMACallback,
  91                      std::string /* histogram_name */,
  92                      base::HistogramBase::Sample /* histogram_value */)
  93
  94 IPC_MESSAGE_CONTROL1(TracingMsg_ClearUMACallback,
  95                      std::string /* histogram_name */)
  96
  97 // Sent everytime when a watch event is matched.
  98 IPC_MESSAGE_CONTROL0(TracingHostMsg_WatchEventMatched)
  99
 100 // Notify the browser that this child process supports tracing.
 101 IPC_MESSAGE_CONTROL0(TracingHostMsg_ChildSupportsTracing)
 102
 103 // Reply from child processes acking TracingMsg_EndTracing.
 104 IPC_MESSAGE_CONTROL1(TracingHostMsg_EndTracingAck,
 105                      std::vector<std::string> /* known_categories */)
 106
 107 // Reply from child processes acking TracingMsg_CaptureMonitoringSnapshot.
 108 IPC_MESSAGE_CONTROL0(TracingHostMsg_CaptureMonitoringSnapshotAck)
 109
 110 // Child processes send back trace data in JSON chunks.
 111 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceDataCollected,
 112                      std::string /*json trace data*/)
 113
 114 // Child processes send back trace data of the current monitoring
 115 // in JSON chunks.
 116 IPC_MESSAGE_CONTROL1(TracingHostMsg_MonitoringTraceDataCollected,
 117                      std::string /*json trace data*/)
 118
 119 // Reply to TracingMsg_GetTraceLogStatus.
 120 IPC_MESSAGE_CONTROL1(
 121     TracingHostMsg_TraceLogStatusReply,
 122     base::trace_event::TraceLogStatus /*status of the trace log*/)
 123
 124 // Sent to the browser to initiate a global memory dump from a child process.
 125 IPC_MESSAGE_CONTROL1(TracingHostMsg_GlobalMemoryDumpRequest,
 126                      base::trace_event::MemoryDumpRequestArgs)
 127
 128 // Reply to TracingMsg_ProcessMemoryDumpRequest.
 129 IPC_MESSAGE_CONTROL2(TracingHostMsg_ProcessMemoryDumpResponse,
 130                      uint64 /* dump_guid */,
 131                      bool /* success */)
 132
 133 IPC_MESSAGE_CONTROL1(TracingHostMsg_TriggerBackgroundTrace,
 134                      std::string /* name */)