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54 lines
1.6 KiB
C++
54 lines
1.6 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_TOTALS_H_
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#define BASE_TRACE_EVENT_PROCESS_MEMORY_TOTALS_H_
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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 ProcessMemoryTotals {
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public:
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ProcessMemoryTotals();
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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 data collected.
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void Clear();
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uint64 resident_set_bytes() const { return resident_set_bytes_; }
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void set_resident_set_bytes(uint64 value) { resident_set_bytes_ = value; }
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uint64 peak_resident_set_bytes() const { return peak_resident_set_bytes_; }
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void set_peak_resident_set_bytes(uint64 value) {
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peak_resident_set_bytes_ = value;
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}
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// On some platforms (recent linux kernels, see goo.gl/sMvAVz) the peak rss
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// can be reset. When is_peak_rss_resettable == true, the peak refers to
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// peak from the previous measurement. When false, it is the absolute peak
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// since the start of the process.
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bool is_peak_rss_resetable() const { return is_peak_rss_resetable_; }
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void set_is_peak_rss_resetable(bool value) { is_peak_rss_resetable_ = value; }
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private:
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uint64 resident_set_bytes_;
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uint64 peak_resident_set_bytes_;
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bool is_peak_rss_resetable_;
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DISALLOW_COPY_AND_ASSIGN(ProcessMemoryTotals);
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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_TOTALS_H_
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