| // Copyright (c) 2013 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. |
| |
| // This file contains routines for gathering resource statistics for processes |
| // running on the system. |
| |
| #ifndef BASE_PROCESS_PROCESS_METRICS_H_ |
| #define BASE_PROCESS_PROCESS_METRICS_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/base_export.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "base/process/process_handle.h" |
| #include "base/time/time.h" |
| #include "base/values.h" |
| #include "build/build_config.h" |
| |
| #if defined(OS_MACOSX) |
| #include <mach/mach.h> |
| #include "base/process/port_provider_mac.h" |
| |
| #if !defined(OS_IOS) |
| #include <mach/mach_vm.h> |
| #endif |
| #endif |
| |
| #if defined(OS_WIN) |
| #include "base/win/scoped_handle.h" |
| #include "base/win/windows_types.h" |
| #include "starboard/types.h" |
| #endif |
| |
| #if !defined(STARBOARD) |
| |
| namespace base { |
| |
| // Full declaration is in process_metrics_iocounters.h. |
| struct IoCounters; |
| |
| #if defined(OS_LINUX) || defined(OS_ANDROID) |
| // Minor and major page fault counts since the process creation. |
| // Both counts are process-wide, and exclude child processes. |
| // |
| // minor: Number of page faults that didn't require disk IO. |
| // major: Number of page faults that required disk IO. |
| struct PageFaultCounts { |
| int64_t minor; |
| int64_t major; |
| }; |
| #endif // defined(OS_LINUX) || defined(OS_ANDROID) |
| |
| // Convert a POSIX timeval to microseconds. |
| BASE_EXPORT int64_t TimeValToMicroseconds(const struct timeval& tv); |
| |
| // Provides performance metrics for a specified process (CPU usage and IO |
| // counters). Use CreateCurrentProcessMetrics() to get an instance for the |
| // current process, or CreateProcessMetrics() to get an instance for an |
| // arbitrary process. Then, access the information with the different get |
| // methods. |
| // |
| // This class exposes a few platform-specific APIs for parsing memory usage, but |
| // these are not intended to generalize to other platforms, since the memory |
| // models differ substantially. |
| // |
| // To obtain consistent memory metrics, use the memory_instrumentation service. |
| // |
| // For further documentation on memory, see |
| // https://chromium.googlesource.com/chromium/src/+/HEAD/docs/README.md |
| class BASE_EXPORT ProcessMetrics { |
| public: |
| ~ProcessMetrics(); |
| |
| // Creates a ProcessMetrics for the specified process. |
| #if !defined(OS_MACOSX) || defined(OS_IOS) |
| static std::unique_ptr<ProcessMetrics> CreateProcessMetrics( |
| ProcessHandle process); |
| #else |
| |
| // The port provider needs to outlive the ProcessMetrics object returned by |
| // this function. If NULL is passed as provider, the returned object |
| // only returns valid metrics if |process| is the current process. |
| static std::unique_ptr<ProcessMetrics> CreateProcessMetrics( |
| ProcessHandle process, |
| PortProvider* port_provider); |
| #endif // !defined(OS_MACOSX) || defined(OS_IOS) |
| |
| // Creates a ProcessMetrics for the current process. This a cross-platform |
| // convenience wrapper for CreateProcessMetrics(). |
| static std::unique_ptr<ProcessMetrics> CreateCurrentProcessMetrics(); |
| |
| #if defined(OS_LINUX) || defined(OS_ANDROID) |
| // Resident Set Size is a Linux/Android specific memory concept. Do not |
| // attempt to extend this to other platforms. |
| BASE_EXPORT size_t GetResidentSetSize() const; |
| #endif |
| |
| #if defined(OS_CHROMEOS) |
| // /proc/<pid>/totmaps is a syscall that returns memory summary statistics for |
| // the process. |
| // totmaps is a Linux specific concept, currently only being used on ChromeOS. |
| // Do not attempt to extend this to other platforms. |
| // |
| struct TotalsSummary { |
| size_t private_clean_kb; |
| size_t private_dirty_kb; |
| size_t swap_kb; |
| }; |
| BASE_EXPORT TotalsSummary GetTotalsSummary() const; |
| #endif |
| |
| #if defined(OS_MACOSX) |
| struct TaskVMInfo { |
| // Only available on macOS 10.12+. |
| // Anonymous, non-discardable memory, including non-volatile IOKit. |
| // Measured in bytes. |
| uint64_t phys_footprint = 0; |
| |
| // Anonymous, non-discardable, non-compressed memory, excluding IOKit. |
| // Measured in bytes. |
| uint64_t internal = 0; |
| |
| // Compressed memory measured in bytes. |
| uint64_t compressed = 0; |
| }; |
| TaskVMInfo GetTaskVMInfo() const; |
| #endif |
| |
| // Returns the percentage of time spent executing, across all threads of the |
| // process, in the interval since the last time the method was called. Since |
| // this considers the total execution time across all threads in a process, |
| // the result can easily exceed 100% in multi-thread processes running on |
| // multi-core systems. In general the result is therefore a value in the |
| // range 0% to SysInfo::NumberOfProcessors() * 100%. |
| // |
| // To obtain the percentage of total available CPU resources consumed by this |
| // process over the interval, the caller must divide by NumberOfProcessors(). |
| // |
| // Since this API measures usage over an interval, it will return zero on the |
| // first call, and an actual value only on the second and subsequent calls. |
| double GetPlatformIndependentCPUUsage(); |
| |
| // Returns the cumulative CPU usage across all threads of the process since |
| // process start. In case of multi-core processors, a process can consume CPU |
| // at a rate higher than wall-clock time, e.g. two cores at full utilization |
| // will result in a time delta of 2 seconds/per 1 wall-clock second. |
| TimeDelta GetCumulativeCPUUsage(); |
| |
| // Returns the number of average idle cpu wakeups per second since the last |
| // call. |
| int GetIdleWakeupsPerSecond(); |
| |
| #if defined(OS_MACOSX) |
| // Returns the number of average "package idle exits" per second, which have |
| // a higher energy impact than a regular wakeup, since the last call. |
| // |
| // From the powermetrics man page: |
| // "With the exception of some Mac Pro systems, Mac and |
| // iOS systems are typically single package systems, wherein all CPUs are |
| // part of a single processor complex (typically a single IC die) with shared |
| // logic that can include (depending on system specifics) shared last level |
| // caches, an integrated memory controller etc. When all CPUs in the package |
| // are idle, the hardware can power-gate significant portions of the shared |
| // logic in addition to each individual processor's logic, as well as take |
| // measures such as placing DRAM in to self-refresh (also referred to as |
| // auto-refresh), place interconnects into lower-power states etc" |
| int GetPackageIdleWakeupsPerSecond(); |
| #endif |
| |
| // Retrieves accounting information for all I/O operations performed by the |
| // process. |
| // If IO information is retrieved successfully, the function returns true |
| // and fills in the IO_COUNTERS passed in. The function returns false |
| // otherwise. |
| bool GetIOCounters(IoCounters* io_counters) const; |
| |
| // Returns the number of bytes transferred to/from disk per second, across all |
| // threads of the process, in the interval since the last time the method was |
| // called. |
| // |
| // Since this API measures usage over an interval, it will return zero on the |
| // first call, and an actual value only on the second and subsequent calls. |
| uint64_t GetDiskUsageBytesPerSecond(); |
| |
| // Returns the cumulative disk usage in bytes across all threads of the |
| // process since process start. |
| uint64_t GetCumulativeDiskUsageInBytes(); |
| |
| #if defined(OS_LINUX) || defined(OS_AIX) || defined(OS_ANDROID) |
| // Returns the number of file descriptors currently open by the process, or |
| // -1 on error. |
| int GetOpenFdCount() const; |
| |
| // Returns the soft limit of file descriptors that can be opened by the |
| // process, or -1 on error. |
| int GetOpenFdSoftLimit() const; |
| #endif // defined(OS_LINUX) || defined(OS_AIX) || defined(OS_ANDROID) |
| |
| #if defined(OS_LINUX) || defined(OS_ANDROID) |
| // Bytes of swap as reported by /proc/[pid]/status. |
| uint64_t GetVmSwapBytes() const; |
| |
| // Minor and major page fault count as reported by /proc/[pid]/stat. |
| // Returns true for success. |
| bool GetPageFaultCounts(PageFaultCounts* counts) const; |
| #endif // defined(OS_LINUX) || defined(OS_ANDROID) |
| |
| // Returns total memory usage of malloc. |
| size_t GetMallocUsage(); |
| |
| private: |
| #if !defined(OS_MACOSX) || defined(OS_IOS) |
| explicit ProcessMetrics(ProcessHandle process); |
| #else |
| ProcessMetrics(ProcessHandle process, PortProvider* port_provider); |
| #endif // !defined(OS_MACOSX) || defined(OS_IOS) |
| |
| #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_AIX) |
| int CalculateIdleWakeupsPerSecond(uint64_t absolute_idle_wakeups); |
| #endif |
| #if defined(OS_MACOSX) |
| // The subset of wakeups that cause a "package exit" can be tracked on macOS. |
| // See |GetPackageIdleWakeupsForSecond| comment for more info. |
| int CalculatePackageIdleWakeupsPerSecond( |
| uint64_t absolute_package_idle_wakeups); |
| #endif |
| |
| #if defined(OS_WIN) |
| win::ScopedHandle process_; |
| #else |
| ProcessHandle process_; |
| #endif |
| |
| // Used to store the previous times and CPU usage counts so we can |
| // compute the CPU usage between calls. |
| TimeTicks last_cpu_time_; |
| #if !defined(OS_FREEBSD) || !defined(OS_POSIX) |
| TimeDelta last_cumulative_cpu_; |
| #endif |
| |
| // Used to store the previous times and disk usage counts so we can |
| // compute the disk usage between calls. |
| TimeTicks last_disk_usage_time_; |
| // Number of bytes transferred to/from disk in bytes. |
| uint64_t last_cumulative_disk_usage_ = 0; |
| |
| #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_AIX) |
| // Same thing for idle wakeups. |
| TimeTicks last_idle_wakeups_time_; |
| uint64_t last_absolute_idle_wakeups_; |
| #endif |
| |
| #if defined(OS_MACOSX) |
| // And same thing for package idle exit wakeups. |
| TimeTicks last_package_idle_wakeups_time_; |
| uint64_t last_absolute_package_idle_wakeups_; |
| #endif |
| |
| #if !defined(OS_IOS) |
| #if defined(OS_MACOSX) |
| // Queries the port provider if it's set. |
| mach_port_t TaskForPid(ProcessHandle process) const; |
| |
| PortProvider* port_provider_; |
| #endif // defined(OS_MACOSX) |
| #endif // !defined(OS_IOS) |
| |
| DISALLOW_COPY_AND_ASSIGN(ProcessMetrics); |
| }; |
| |
| // Returns the memory committed by the system in KBytes. |
| // Returns 0 if it can't compute the commit charge. |
| BASE_EXPORT size_t GetSystemCommitCharge(); |
| |
| // Returns the number of bytes in a memory page. Do not use this to compute |
| // the number of pages in a block of memory for calling mincore(). On some |
| // platforms, e.g. iOS, mincore() uses a different page size from what is |
| // returned by GetPageSize(). |
| BASE_EXPORT size_t GetPageSize(); |
| |
| // Returns the maximum number of file descriptors that can be open by a process |
| // at once. If the number is unavailable, a conservative best guess is returned. |
| BASE_EXPORT size_t GetMaxFds(); |
| |
| #if defined(OS_POSIX) |
| // Increases the file descriptor soft limit to |max_descriptors| or the OS hard |
| // limit, whichever is lower. If the limit is already higher than |
| // |max_descriptors|, then nothing happens. |
| BASE_EXPORT void IncreaseFdLimitTo(unsigned int max_descriptors); |
| #endif // defined(OS_POSIX) |
| |
| #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) || \ |
| defined(OS_ANDROID) || defined(OS_AIX) || defined(OS_FUCHSIA) |
| // Data about system-wide memory consumption. Values are in KB. Available on |
| // Windows, Mac, Linux, Android and Chrome OS. |
| // |
| // Total memory are available on all platforms that implement |
| // GetSystemMemoryInfo(). Total/free swap memory are available on all platforms |
| // except on Mac. Buffers/cached/active_anon/inactive_anon/active_file/ |
| // inactive_file/dirty/reclaimable/pswpin/pswpout/pgmajfault are available on |
| // Linux/Android/Chrome OS. Shmem/slab/gem_objects/gem_size are Chrome OS only. |
| // Speculative/file_backed/purgeable are Mac and iOS only. |
| // Free is absent on Windows (see "avail_phys" below). |
| struct BASE_EXPORT SystemMemoryInfoKB { |
| SystemMemoryInfoKB(); |
| SystemMemoryInfoKB(const SystemMemoryInfoKB& other); |
| |
| // Serializes the platform specific fields to value. |
| std::unique_ptr<DictionaryValue> ToValue() const; |
| |
| int total = 0; |
| |
| #if !defined(OS_WIN) |
| int free = 0; |
| #endif |
| |
| #if defined(OS_WIN) |
| // "This is the amount of physical memory that can be immediately reused |
| // without having to write its contents to disk first. It is the sum of the |
| // size of the standby, free, and zero lists." (MSDN). |
| // Standby: not modified pages of physical ram (file-backed memory) that are |
| // not actively being used. |
| int avail_phys = 0; |
| #endif |
| |
| #if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_AIX) |
| // This provides an estimate of available memory as described here: |
| // https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773 |
| // NOTE: this is ONLY valid in kernels 3.14 and up. Its value will always |
| // be 0 in earlier kernel versions. |
| // Note: it includes _all_ file-backed memory (active + inactive). |
| int available = 0; |
| #endif |
| |
| #if !defined(OS_MACOSX) |
| int swap_total = 0; |
| int swap_free = 0; |
| #endif |
| |
| #if defined(OS_ANDROID) || defined(OS_LINUX) || defined(OS_AIX) || \ |
| defined(OS_FUCHSIA) |
| int buffers = 0; |
| int cached = 0; |
| int active_anon = 0; |
| int inactive_anon = 0; |
| int active_file = 0; |
| int inactive_file = 0; |
| int dirty = 0; |
| int reclaimable = 0; |
| #endif // defined(OS_ANDROID) || defined(OS_LINUX) || defined(OS_AIX) || |
| // defined(OS_FUCHSIA) |
| |
| #if defined(OS_CHROMEOS) |
| int shmem = 0; |
| int slab = 0; |
| // Gem data will be -1 if not supported. |
| int gem_objects = -1; |
| long long gem_size = -1; |
| #endif // defined(OS_CHROMEOS) |
| |
| #if defined(OS_MACOSX) |
| int speculative = 0; |
| int file_backed = 0; |
| int purgeable = 0; |
| #endif // defined(OS_MACOSX) |
| }; |
| |
| // On Linux/Android/Chrome OS, system-wide memory consumption data is parsed |
| // from /proc/meminfo and /proc/vmstat. On Windows/Mac, it is obtained using |
| // system API calls. |
| // |
| // Fills in the provided |meminfo| structure. Returns true on success. |
| // Exposed for memory debugging widget. |
| BASE_EXPORT bool GetSystemMemoryInfo(SystemMemoryInfoKB* meminfo); |
| |
| #endif // defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) || |
| // defined(OS_ANDROID) || defined(OS_AIX) || defined(OS_FUCHSIA) |
| |
| #if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_AIX) |
| // Parse the data found in /proc/<pid>/stat and return the sum of the |
| // CPU-related ticks. Returns -1 on parse error. |
| // Exposed for testing. |
| BASE_EXPORT int ParseProcStatCPU(StringPiece input); |
| |
| // Get the number of threads of |process| as available in /proc/<pid>/stat. |
| // This should be used with care as no synchronization with running threads is |
| // done. This is mostly useful to guarantee being single-threaded. |
| // Returns 0 on failure. |
| BASE_EXPORT int GetNumberOfThreads(ProcessHandle process); |
| |
| // /proc/self/exe refers to the current executable. |
| BASE_EXPORT extern const char kProcSelfExe[]; |
| |
| // Parses a string containing the contents of /proc/meminfo |
| // returns true on success or false for a parsing error |
| // Exposed for testing. |
| BASE_EXPORT bool ParseProcMeminfo(StringPiece input, |
| SystemMemoryInfoKB* meminfo); |
| |
| // Data from /proc/vmstat. |
| struct BASE_EXPORT VmStatInfo { |
| // Serializes the platform specific fields to value. |
| std::unique_ptr<DictionaryValue> ToValue() const; |
| |
| unsigned long pswpin = 0; |
| unsigned long pswpout = 0; |
| unsigned long pgmajfault = 0; |
| }; |
| |
| // Retrieves data from /proc/vmstat about system-wide vm operations. |
| // Fills in the provided |vmstat| structure. Returns true on success. |
| BASE_EXPORT bool GetVmStatInfo(VmStatInfo* vmstat); |
| |
| // Parses a string containing the contents of /proc/vmstat |
| // returns true on success or false for a parsing error |
| // Exposed for testing. |
| BASE_EXPORT bool ParseProcVmstat(StringPiece input, VmStatInfo* vmstat); |
| |
| // Data from /proc/diskstats about system-wide disk I/O. |
| struct BASE_EXPORT SystemDiskInfo { |
| SystemDiskInfo(); |
| SystemDiskInfo(const SystemDiskInfo& other); |
| |
| // Serializes the platform specific fields to value. |
| std::unique_ptr<Value> ToValue() const; |
| |
| uint64_t reads = 0; |
| uint64_t reads_merged = 0; |
| uint64_t sectors_read = 0; |
| uint64_t read_time = 0; |
| uint64_t writes = 0; |
| uint64_t writes_merged = 0; |
| uint64_t sectors_written = 0; |
| uint64_t write_time = 0; |
| uint64_t io = 0; |
| uint64_t io_time = 0; |
| uint64_t weighted_io_time = 0; |
| }; |
| |
| // Checks whether the candidate string is a valid disk name, [hsv]d[a-z]+ |
| // for a generic disk or mmcblk[0-9]+ for the MMC case. |
| // Names of disk partitions (e.g. sda1) are not valid. |
| BASE_EXPORT bool IsValidDiskName(StringPiece candidate); |
| |
| // Retrieves data from /proc/diskstats about system-wide disk I/O. |
| // Fills in the provided |diskinfo| structure. Returns true on success. |
| BASE_EXPORT bool GetSystemDiskInfo(SystemDiskInfo* diskinfo); |
| |
| // Returns the amount of time spent in user space since boot across all CPUs. |
| BASE_EXPORT TimeDelta GetUserCpuTimeSinceBoot(); |
| |
| #endif // defined(OS_LINUX) || defined(OS_ANDROID) |
| |
| #if defined(OS_CHROMEOS) |
| // Data from files in directory /sys/block/zram0 about ZRAM usage. |
| struct BASE_EXPORT SwapInfo { |
| SwapInfo() |
| : num_reads(0), |
| num_writes(0), |
| compr_data_size(0), |
| orig_data_size(0), |
| mem_used_total(0) { |
| } |
| |
| // Serializes the platform specific fields to value. |
| std::unique_ptr<Value> ToValue() const; |
| |
| uint64_t num_reads = 0; |
| uint64_t num_writes = 0; |
| uint64_t compr_data_size = 0; |
| uint64_t orig_data_size = 0; |
| uint64_t mem_used_total = 0; |
| }; |
| |
| // Parses a string containing the contents of /sys/block/zram0/mm_stat. |
| // This should be used for the new ZRAM sysfs interfaces. |
| // Returns true on success or false for a parsing error. |
| // Exposed for testing. |
| BASE_EXPORT bool ParseZramMmStat(StringPiece mm_stat_data, SwapInfo* swap_info); |
| |
| // Parses a string containing the contents of /sys/block/zram0/stat |
| // This should be used for the new ZRAM sysfs interfaces. |
| // Returns true on success or false for a parsing error. |
| // Exposed for testing. |
| BASE_EXPORT bool ParseZramStat(StringPiece stat_data, SwapInfo* swap_info); |
| |
| // In ChromeOS, reads files from /sys/block/zram0 that contain ZRAM usage data. |
| // Fills in the provided |swap_data| structure. |
| // Returns true on success or false for a parsing error. |
| BASE_EXPORT bool GetSwapInfo(SwapInfo* swap_info); |
| #endif // defined(OS_CHROMEOS) |
| |
| struct BASE_EXPORT SystemPerformanceInfo { |
| SystemPerformanceInfo(); |
| SystemPerformanceInfo(const SystemPerformanceInfo& other); |
| |
| // Serializes the platform specific fields to value. |
| std::unique_ptr<Value> ToValue() const; |
| |
| // Total idle time of all processes in the system (units of 100 ns). |
| uint64_t idle_time = 0; |
| // Number of bytes read. |
| uint64_t read_transfer_count = 0; |
| // Number of bytes written. |
| uint64_t write_transfer_count = 0; |
| // Number of bytes transferred (e.g. DeviceIoControlFile) |
| uint64_t other_transfer_count = 0; |
| // The amount of read operations. |
| uint64_t read_operation_count = 0; |
| // The amount of write operations. |
| uint64_t write_operation_count = 0; |
| // The amount of other operations. |
| uint64_t other_operation_count = 0; |
| // The number of pages written to the system's pagefiles. |
| uint64_t pagefile_pages_written = 0; |
| // The number of write operations performed on the system's pagefiles. |
| uint64_t pagefile_pages_write_ios = 0; |
| // The number of pages of physical memory available to processes running on |
| // the system. |
| uint64_t available_pages = 0; |
| // The number of pages read from disk to resolve page faults. |
| uint64_t pages_read = 0; |
| // The number of read operations initiated to resolve page faults. |
| uint64_t page_read_ios = 0; |
| }; |
| |
| // Retrieves performance counters from the operating system. |
| // Fills in the provided |info| structure. Returns true on success. |
| BASE_EXPORT bool GetSystemPerformanceInfo(SystemPerformanceInfo* info); |
| |
| // Collects and holds performance metrics for system memory and disk. |
| // Provides functionality to retrieve the data on various platforms and |
| // to serialize the stored data. |
| class SystemMetrics { |
| public: |
| SystemMetrics(); |
| |
| static SystemMetrics Sample(); |
| |
| // Serializes the system metrics to value. |
| std::unique_ptr<Value> ToValue() const; |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(SystemMetricsTest, SystemMetrics); |
| |
| size_t committed_memory_; |
| #if defined(OS_LINUX) || defined(OS_ANDROID) |
| SystemMemoryInfoKB memory_info_; |
| VmStatInfo vmstat_info_; |
| SystemDiskInfo disk_info_; |
| #endif |
| #if defined(OS_CHROMEOS) |
| SwapInfo swap_info_; |
| #endif |
| #if defined(OS_WIN) |
| SystemPerformanceInfo performance_; |
| #endif |
| }; |
| |
| #if defined(OS_MACOSX) && !defined(OS_IOS) |
| enum class MachVMRegionResult { |
| // There were no more memory regions between |address| and the end of the |
| // virtual address space. |
| Finished, |
| |
| // All output parameters are invalid. |
| Error, |
| |
| // All output parameters are filled in. |
| Success |
| }; |
| |
| // Returns info on the first memory region at or after |address|, including |
| // resident memory and share mode. On Success, |size| reflects the size of the |
| // memory region. |
| // |size| and |info| are output parameters, only valid on Success. |
| // |address| is an in-out parameter, than represents both the address to start |
| // looking, and the start address of the memory region. |
| BASE_EXPORT MachVMRegionResult GetTopInfo(mach_port_t task, |
| mach_vm_size_t* size, |
| mach_vm_address_t* address, |
| vm_region_top_info_data_t* info); |
| |
| // Returns info on the first memory region at or after |address|, including |
| // protection values. On Success, |size| reflects the size of the |
| // memory region. |
| // Returns info on the first memory region at or after |address|, including |
| // resident memory and share mode. |
| // |size| and |info| are output parameters, only valid on Success. |
| BASE_EXPORT MachVMRegionResult GetBasicInfo(mach_port_t task, |
| mach_vm_size_t* size, |
| mach_vm_address_t* address, |
| vm_region_basic_info_64* info); |
| #endif // defined(OS_MACOSX) && !defined(OS_IOS) |
| |
| } // namespace base |
| |
| #endif // !defined(STARBOARD) |
| #endif // BASE_PROCESS_PROCESS_METRICS_H_ |