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Side by Side Diff: base/trace_event/memory_dump_request_args.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
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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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