mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-12-01 01:36:09 +03:00
115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
// 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_ARGS_H_
|
|
#define BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_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 <stdint.h>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "base/base_export.h"
|
|
#include "base/callback.h"
|
|
#include "base/optional.h"
|
|
#include "base/process/process_handle.h"
|
|
|
|
namespace base {
|
|
namespace trace_event {
|
|
|
|
class ProcessMemoryDump;
|
|
|
|
// Captures the reason why a memory dump is being requested. This is to allow
|
|
// selective enabling of dumps, filtering and post-processing. Keep this
|
|
// consistent with memory_instrumentation.mojo and
|
|
// memory_instrumentation_struct_traits.{h,cc}
|
|
enum class MemoryDumpType {
|
|
PERIODIC_INTERVAL, // Dumping memory at periodic intervals.
|
|
EXPLICITLY_TRIGGERED, // Non maskable dump request.
|
|
PEAK_MEMORY_USAGE, // Dumping memory at detected peak total memory usage.
|
|
SUMMARY_ONLY, // Calculate just the summary & don't add to the trace.
|
|
LAST = SUMMARY_ONLY
|
|
};
|
|
|
|
// Tells the MemoryDumpProvider(s) how much detailed their dumps should be.
|
|
// Keep this consistent with memory_instrumentation.mojo and
|
|
// memory_instrumentation_struct_traits.{h,cc}
|
|
enum class MemoryDumpLevelOfDetail : uint32_t {
|
|
FIRST,
|
|
|
|
// For background tracing mode. The dump time is quick, and typically just the
|
|
// totals are expected. Suballocations need not be specified. Dump name must
|
|
// contain only pre-defined strings and string arguments cannot be added.
|
|
BACKGROUND = FIRST,
|
|
|
|
// For the levels below, MemoryDumpProvider instances must guarantee that the
|
|
// total size reported in the root node is consistent. Only the granularity of
|
|
// the child MemoryAllocatorDump(s) differs with the levels.
|
|
|
|
// Few entries, typically a fixed number, per dump.
|
|
LIGHT,
|
|
|
|
// Retrieve only memory maps. Used only for the heap profiler.
|
|
VM_REGIONS_ONLY_FOR_HEAP_PROFILER,
|
|
|
|
// Unrestricted amount of entries per dump.
|
|
DETAILED,
|
|
|
|
LAST = DETAILED
|
|
};
|
|
|
|
// Keep this consistent with memory_instrumentation.mojo and
|
|
// memory_instrumentation_struct_traits.{h,cc}
|
|
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_t dump_guid;
|
|
|
|
MemoryDumpType dump_type;
|
|
MemoryDumpLevelOfDetail level_of_detail;
|
|
};
|
|
|
|
// Initial request arguments for a global memory dump. (see
|
|
// MemoryDumpManager::RequestGlobalMemoryDump()). Keep this consistent with
|
|
// memory_instrumentation.mojo and memory_instrumentation_struct_traits.{h,cc}
|
|
// TODO(hjd): Move this to memory_instrumentation, crbug.com/776726
|
|
struct BASE_EXPORT GlobalMemoryDumpRequestArgs {
|
|
MemoryDumpType dump_type;
|
|
MemoryDumpLevelOfDetail level_of_detail;
|
|
};
|
|
|
|
// Args for ProcessMemoryDump and passed to OnMemoryDump calls for memory dump
|
|
// providers. Dump providers are expected to read the args for creating dumps.
|
|
struct MemoryDumpArgs {
|
|
// Specifies how detailed the dumps should be.
|
|
MemoryDumpLevelOfDetail level_of_detail;
|
|
|
|
// 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_t dump_guid;
|
|
};
|
|
|
|
using ProcessMemoryDumpCallback = Callback<
|
|
void(bool success, uint64_t dump_guid, std::unique_ptr<ProcessMemoryDump>)>;
|
|
|
|
BASE_EXPORT const char* MemoryDumpTypeToString(const MemoryDumpType& dump_type);
|
|
|
|
BASE_EXPORT MemoryDumpType StringToMemoryDumpType(const std::string& str);
|
|
|
|
BASE_EXPORT const char* MemoryDumpLevelOfDetailToString(
|
|
const MemoryDumpLevelOfDetail& level_of_detail);
|
|
|
|
BASE_EXPORT MemoryDumpLevelOfDetail
|
|
StringToMemoryDumpLevelOfDetail(const std::string& str);
|
|
|
|
} // namespace trace_event
|
|
} // namespace base
|
|
|
|
#endif // BASE_TRACE_EVENT_MEMORY_DUMP_REQUEST_ARGS_H_
|