| // 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_PROCESS_MEMORY_TOTALS_H_ |
| #define BASE_TRACE_EVENT_PROCESS_MEMORY_TOTALS_H_ |
| |
| #include "base/base_export.h" |
| #include "base/basictypes.h" |
| |
| namespace base { |
| namespace trace_event { |
| |
| class TracedValue; |
| |
| // Data model for process-wide memory stats. |
| class BASE_EXPORT ProcessMemoryTotals { |
| public: |
| ProcessMemoryTotals(); |
| |
| // Called at trace generation time to populate the TracedValue. |
| void AsValueInto(TracedValue* value) const; |
| |
| // Clears up all the data collected. |
| void Clear(); |
| |
| uint64 resident_set_bytes() const { return resident_set_bytes_; } |
| void set_resident_set_bytes(uint64 value) { resident_set_bytes_ = value; } |
| |
| uint64 peak_resident_set_bytes() const { return peak_resident_set_bytes_; } |
| void set_peak_resident_set_bytes(uint64 value) { |
| peak_resident_set_bytes_ = value; |
| } |
| |
| // On some platforms (recent linux kernels, see goo.gl/sMvAVz) the peak rss |
| // can be reset. When is_peak_rss_resettable == true, the peak refers to |
| // peak from the previous measurement. When false, it is the absolute peak |
| // since the start of the process. |
| bool is_peak_rss_resetable() const { return is_peak_rss_resetable_; } |
| void set_is_peak_rss_resetable(bool value) { is_peak_rss_resetable_ = value; } |
| |
| private: |
| uint64 resident_set_bytes_; |
| uint64 peak_resident_set_bytes_; |
| bool is_peak_rss_resetable_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ProcessMemoryTotals); |
| }; |
| |
| } // namespace trace_event |
| } // namespace base |
| |
| #endif // BASE_TRACE_EVENT_PROCESS_MEMORY_TOTALS_H_ |