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| 1 // Copyright 2015 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 #ifndef BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_H_ | |
| 6 #define BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_H_ | |
| 7 | |
| 8 // This file defines the types and structs used to issue memory dump requests. | |
| 9 // These are also used in the IPCs for coordinating inter-process memory dumps. | |
| 10 | |
| 11 #include "base/base_export.h" | |
| 12 #include "base/callback.h" | |
| 13 | |
| 14 namespace base { | |
| 15 namespace trace_event { | |
| 16 | |
| 17 // Captures the reason why a memory dump is being requested. This is to allow | |
| 18 // selective enabling of dumps, filtering and post-processing. | |
| 19 enum class MemoryDumpType { | |
| 20 TASK_BEGIN, // Dumping memory at the beginning of a message-loop task. | |
| 21 TASK_END, // Dumping memory at the ending of a message-loop task. | |
| 22 PERIODIC_INTERVAL, // Dumping memory at periodic intervals. | |
| 23 PERIODIC_INTERVAL_WITH_MMAPS, // As above but w/ heavyweight mmaps dumps. | |
| 24 // Temporary workaround for crbug.com/499731. | |
| 25 EXPLICITLY_TRIGGERED, // Non maskable dump request. | |
| 26 LAST = EXPLICITLY_TRIGGERED // For IPC macros. | |
| 27 }; | |
| 28 | |
| 29 // Returns the name in string for the dump type given. | |
| 30 BASE_EXPORT const char* MemoryDumpTypeToString(const MemoryDumpType& dump_type); | |
| 31 | |
| 32 using MemoryDumpCallback = Callback<void(uint64 dump_guid, bool success)>; | |
| 33 | |
| 34 struct BASE_EXPORT MemoryDumpRequestArgs { | |
| 35 // Globally unique identifier. In multi-process dumps, all processes issue a | |
| 36 // local dump with the same guid. This allows the trace importers to | |
| 37 // reconstruct the global dump. | |
| 38 uint64 dump_guid; | |
| 39 | |
| 40 MemoryDumpType dump_type; | |
| 41 }; | |
| 42 | |
| 43 } // namespace trace_event | |
| 44 } // namespace base | |
| 45 | |
| 46 #endif // BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_H_ | |
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