| // Copyright 2017 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 PROCESS_MEMORY_STATS_H_ |
| #define PROCESS_MEMORY_STATS_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <vector> |
| |
| // Reads process memory stats from /proc/pid/{statm,smaps}. |
| class ProcessMemoryStats { |
| public: |
| struct MmapInfo { |
| char mapped_file[128] = {}; |
| char prot_flags[5] = {}; |
| uint64_t start_addr = 0; |
| uint64_t end_addr = 0; |
| uint64_t virt_kb = 0; |
| uint64_t pss_kb = 0; // Proportional Set Size. |
| uint64_t rss_kb = 0; // Resident Set Size. |
| uint64_t private_clean_kb = 0; |
| uint64_t private_dirty_kb = 0; |
| uint64_t shared_clean_kb = 0; |
| uint64_t shared_dirty_kb = 0; |
| uint64_t swapped_kb = 0; |
| }; |
| |
| ProcessMemoryStats() {} |
| |
| bool ReadLightStats(int pid); |
| bool ReadFullStats(int pid); |
| bool ReadGpuStats(int pid); |
| |
| // Available after ReadLightStats(). |
| uint64_t virt_kb() const { return virt_kb_; } |
| uint64_t rss_kb() const { return rss_kb_; } |
| |
| // Available after ReadFullStats(). |
| bool full_stats_available() const { return full_stats_; } |
| uint64_t pss_kb() const { return pss_kb_; } |
| uint64_t private_clean_kb() const { return private_clean_kb_; } |
| uint64_t private_dirty_kb() const { return private_dirty_kb_; } |
| uint64_t shared_clean_kb() const { return shared_clean_kb_; } |
| uint64_t shared_dirty_kb() const { return shared_dirty_kb_; } |
| uint64_t swapped_kb() const { return swapped_kb_; } |
| |
| // Available after ReadMemtrackStats(). |
| bool gpu_stats_available() const { return gpu_stats_; } |
| uint64_t gpu_graphics_kb() const { return gpu_graphics_kb_; } |
| uint64_t gpu_graphics_pss_kb() const { return gpu_graphics_pss_kb_; } |
| uint64_t gpu_gl_kb() const { return gpu_gl_kb_; } |
| uint64_t gpu_gl_pss_kb() const { return gpu_gl_pss_kb_; } |
| uint64_t gpu_other_kb() const { return gpu_other_kb_; } |
| uint64_t gpu_other_pss_kb() const { return gpu_other_pss_kb_; } |
| |
| size_t mmaps_count() const { return mmaps_.size(); } |
| const MmapInfo* mmap(size_t index) const { return mmaps_[index].get(); } |
| |
| private: |
| ProcessMemoryStats(const ProcessMemoryStats&) = delete; |
| void operator=(const ProcessMemoryStats&) = delete; |
| |
| // Light stats. |
| uint64_t virt_kb_ = 0; |
| uint64_t rss_kb_ = 0; |
| |
| // Full stats. |
| bool full_stats_ = false; |
| uint64_t pss_kb_ = 0; |
| uint64_t private_clean_kb_ = 0; |
| uint64_t private_dirty_kb_ = 0; |
| uint64_t shared_clean_kb_ = 0; |
| uint64_t shared_dirty_kb_ = 0; |
| uint64_t swapped_kb_ = 0; |
| |
| // Graphics stats. |
| bool gpu_stats_ = false; |
| uint64_t gpu_graphics_kb_ = 0; |
| uint64_t gpu_graphics_pss_kb_ = 0; |
| uint64_t gpu_gl_kb_ = 0; |
| uint64_t gpu_gl_pss_kb_ = 0; |
| uint64_t gpu_other_kb_ = 0; |
| uint64_t gpu_other_pss_kb_ = 0; |
| |
| std::vector<std::unique_ptr<const MmapInfo>> mmaps_; |
| }; |
| |
| #endif // PROCESS_MEMORY_STATS_H_ |