| // Copyright 2019 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 THIRD_PARTY_BLINK_RENDERER_CONTROLLER_MEMORY_USAGE_MONITOR_POSIX_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CONTROLLER_MEMORY_USAGE_MONITOR_POSIX_H_ |
| |
| #include "base/files/file.h" |
| #include "base/files/scoped_file.h" |
| #include "build/build_config.h" |
| #include "mojo/public/cpp/bindings/receiver.h" |
| #include "third_party/blink/renderer/controller/controller_export.h" |
| #include "third_party/blink/renderer/controller/memory_usage_monitor.h" |
| |
| #if defined(OS_LINUX) || defined(OS_CHROMEOS) |
| #include "third_party/blink/public/mojom/memory_usage_monitor_linux.mojom-blink.h" |
| #endif |
| |
| namespace blink { |
| |
| // MemoryUsageMonitor implementation for Android and Linux. |
| class CONTROLLER_EXPORT MemoryUsageMonitorPosix |
| : public MemoryUsageMonitor |
| #if defined(OS_LINUX) || defined(OS_CHROMEOS) |
| , |
| public mojom::blink::MemoryUsageMonitorLinux |
| #endif |
| { |
| public: |
| MemoryUsageMonitorPosix() = default; |
| |
| #if defined(OS_LINUX) || defined(OS_CHROMEOS) |
| static void Bind( |
| mojo::PendingReceiver<mojom::blink::MemoryUsageMonitorLinux> receiver); |
| #endif |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(MemoryUsageMonitorPosixTest, |
| CalculateProcessFootprint); |
| |
| friend class CrashMemoryMetricsReporterImpl; |
| void GetProcessMemoryUsage(MemoryUsage&) override; |
| static bool CalculateProcessMemoryFootprint(int statm_fd, |
| int status_fd, |
| uint64_t* private_footprint, |
| uint64_t* swap_footprint, |
| uint64_t* vm_size, |
| uint64_t* vm_hwm_size); |
| |
| #if defined(OS_LINUX) || defined(OS_CHROMEOS) |
| // mojom::MemoryUsageMonitorLinux implementations: |
| void SetProcFiles(base::File statm_file, base::File status_file) override; |
| #endif |
| |
| #if defined(OS_ANDROID) |
| void ResetFileDescriptors(); |
| // For Android, SetProcFiles is used only for testing. |
| void SetProcFiles(base::File statm_file, base::File status_file); |
| |
| bool file_descriptors_reset_ = false; |
| #endif |
| |
| // The file descriptor to current process proc files. The files are kept open |
| // for the whole lifetime of the renderer. |
| base::ScopedFD statm_fd_; |
| base::ScopedFD status_fd_; |
| |
| #if defined(OS_LINUX) || defined(OS_CHROMEOS) |
| mojo::Receiver<mojom::blink::MemoryUsageMonitorLinux> receiver_{this}; |
| #endif |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CONTROLLER_MEMORY_USAGE_MONITOR_POSIX_H_ |