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69 lines
1.8 KiB
C++
69 lines
1.8 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_PROCESS_MEMORY_MAPS_H_
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#define BASE_TRACE_EVENT_PROCESS_MEMORY_MAPS_H_
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#include <string>
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#include <vector>
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#include "base/base_export.h"
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#include "base/basictypes.h"
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namespace base {
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namespace trace_event {
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class TracedValue;
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// Data model for process-wide memory stats.
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class BASE_EXPORT ProcessMemoryMaps {
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public:
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struct BASE_EXPORT VMRegion {
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static const uint32 kProtectionFlagsRead;
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static const uint32 kProtectionFlagsWrite;
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static const uint32 kProtectionFlagsExec;
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VMRegion();
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uint64 start_address;
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uint64 size_in_bytes;
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uint32 protection_flags;
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std::string mapped_file;
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// private_dirty_resident + private_clean_resident + shared_dirty_resident +
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// shared_clean_resident = resident set size.
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uint64 byte_stats_private_dirty_resident;
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uint64 byte_stats_private_clean_resident;
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uint64 byte_stats_shared_dirty_resident;
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uint64 byte_stats_shared_clean_resident;
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uint64 byte_stats_swapped;
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// For multiprocess accounting.
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uint64 byte_stats_proportional_resident;
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};
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ProcessMemoryMaps();
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~ProcessMemoryMaps();
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void AddVMRegion(const VMRegion& region) { vm_regions_.push_back(region); }
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const std::vector<VMRegion>& vm_regions() const { return vm_regions_; }
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// Called at trace generation time to populate the TracedValue.
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void AsValueInto(TracedValue* value) const;
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// Clears up all the VMRegion(s) stored.
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void Clear();
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private:
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std::vector<VMRegion> vm_regions_;
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DISALLOW_COPY_AND_ASSIGN(ProcessMemoryMaps);
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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_PROCESS_MEMORY_MAPS_H_
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