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