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47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_H_
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#define BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_H_
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// This file defines the types and structs used to issue memory dump requests.
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// These are also used in the IPCs for coordinating inter-process memory dumps.
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#include "base/base_export.h"
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#include "base/callback.h"
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namespace base {
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namespace trace_event {
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// Captures the reason why a memory dump is being requested. This is to allow
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// selective enabling of dumps, filtering and post-processing.
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enum class MemoryDumpType {
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TASK_BEGIN, // Dumping memory at the beginning of a message-loop task.
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TASK_END, // Dumping memory at the ending of a message-loop task.
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PERIODIC_INTERVAL, // Dumping memory at periodic intervals.
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PERIODIC_INTERVAL_WITH_MMAPS, // As above but w/ heavyweight mmaps dumps.
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// Temporary workaround for crbug.com/499731.
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EXPLICITLY_TRIGGERED, // Non maskable dump request.
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LAST = EXPLICITLY_TRIGGERED // For IPC macros.
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};
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// Returns the name in string for the dump type given.
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BASE_EXPORT const char* MemoryDumpTypeToString(const MemoryDumpType& dump_type);
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using MemoryDumpCallback = Callback<void(uint64 dump_guid, bool success)>;
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struct BASE_EXPORT MemoryDumpRequestArgs {
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// Globally unique identifier. In multi-process dumps, all processes issue a
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// local dump with the same guid. This allows the trace importers to
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// reconstruct the global dump.
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uint64 dump_guid;
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MemoryDumpType dump_type;
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};
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} // namespace trace_event
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} // namespace base
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#endif // BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_H_
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