218 lines
8.6 KiB
C
218 lines
8.6 KiB
C
|
// Copyright (c) 2012 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_SYSTEM_SYS_INFO_H_
|
||
|
|
#define BASE_SYSTEM_SYS_INFO_H_
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <map>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
#include "base/base_export.h"
|
||
|
|
#include "base/callback_forward.h"
|
||
|
|
#include "base/files/file_path.h"
|
||
|
|
#include "base/gtest_prod_util.h"
|
||
|
|
#include "base/time/time.h"
|
||
|
|
#include "build/build_config.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
|
||
|
|
namespace debug {
|
||
|
|
FORWARD_DECLARE_TEST(SystemMetricsTest, ParseMeminfo);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct SystemMemoryInfoKB;
|
||
|
|
|
||
|
|
class BASE_EXPORT SysInfo {
|
||
|
|
public:
|
||
|
|
// Return the number of logical processors/cores on the current machine.
|
||
|
|
static int NumberOfProcessors();
|
||
|
|
|
||
|
|
// Return the number of bytes of physical memory on the current machine.
|
||
|
|
static int64_t AmountOfPhysicalMemory();
|
||
|
|
|
||
|
|
// Return the number of bytes of current available physical memory on the
|
||
|
|
// machine.
|
||
|
|
// (The amount of memory that can be allocated without any significant
|
||
|
|
// impact on the system. It can lead to freeing inactive file-backed
|
||
|
|
// and/or speculative file-backed memory).
|
||
|
|
static int64_t AmountOfAvailablePhysicalMemory();
|
||
|
|
|
||
|
|
// Return the number of bytes of virtual memory of this process. A return
|
||
|
|
// value of zero means that there is no limit on the available virtual
|
||
|
|
// memory.
|
||
|
|
static int64_t AmountOfVirtualMemory();
|
||
|
|
|
||
|
|
// Return the number of megabytes of physical memory on the current machine.
|
||
|
|
static int AmountOfPhysicalMemoryMB() {
|
||
|
|
return static_cast<int>(AmountOfPhysicalMemory() / 1024 / 1024);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return the number of megabytes of available virtual memory, or zero if it
|
||
|
|
// is unlimited.
|
||
|
|
static int AmountOfVirtualMemoryMB() {
|
||
|
|
return static_cast<int>(AmountOfVirtualMemory() / 1024 / 1024);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return the available disk space in bytes on the volume containing |path|,
|
||
|
|
// or -1 on failure.
|
||
|
|
static int64_t AmountOfFreeDiskSpace(const FilePath& path);
|
||
|
|
|
||
|
|
// Return the total disk space in bytes on the volume containing |path|, or -1
|
||
|
|
// on failure.
|
||
|
|
static int64_t AmountOfTotalDiskSpace(const FilePath& path);
|
||
|
|
|
||
|
|
// Returns system uptime.
|
||
|
|
static TimeDelta Uptime();
|
||
|
|
|
||
|
|
// Returns a descriptive string for the current machine model or an empty
|
||
|
|
// string if the machine model is unknown or an error occurred.
|
||
|
|
// e.g. "MacPro1,1" on Mac, "iPhone9,3" on iOS or "Nexus 5" on Android. Only
|
||
|
|
// implemented on OS X, iOS, and Android. This returns an empty string on
|
||
|
|
// other platforms.
|
||
|
|
static std::string HardwareModelName();
|
||
|
|
|
||
|
|
struct HardwareInfo {
|
||
|
|
std::string manufacturer;
|
||
|
|
std::string model;
|
||
|
|
// On Windows, this is the BIOS serial number. Unsupported platforms will be
|
||
|
|
// set to an empty string.
|
||
|
|
// Note: validate any new usage with the privacy team.
|
||
|
|
// TODO(crbug.com/907518): Implement support on other platforms.
|
||
|
|
std::string serial_number;
|
||
|
|
|
||
|
|
bool operator==(const HardwareInfo& rhs) const {
|
||
|
|
return manufacturer == rhs.manufacturer && model == rhs.model &&
|
||
|
|
serial_number == rhs.serial_number;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
// Returns via |callback| a struct containing descriptive UTF-8 strings for
|
||
|
|
// the current machine manufacturer and model, or empty strings if the
|
||
|
|
// information is unknown or an error occurred. Implemented on Windows, OS X,
|
||
|
|
// iOS, Linux, Chrome OS and Android.
|
||
|
|
static void GetHardwareInfo(base::OnceCallback<void(HardwareInfo)> callback);
|
||
|
|
|
||
|
|
// Returns the name of the host operating system.
|
||
|
|
static std::string OperatingSystemName();
|
||
|
|
|
||
|
|
// Returns the version of the host operating system.
|
||
|
|
static std::string OperatingSystemVersion();
|
||
|
|
|
||
|
|
// Retrieves detailed numeric values for the OS version.
|
||
|
|
// DON'T USE THIS ON THE MAC OR WINDOWS to determine the current OS release
|
||
|
|
// for OS version-specific feature checks and workarounds. If you must use
|
||
|
|
// an OS version check instead of a feature check, use the base::mac::IsOS*
|
||
|
|
// family from base/mac/mac_util.h, or base::win::GetVersion from
|
||
|
|
// base/win/windows_version.h.
|
||
|
|
static void OperatingSystemVersionNumbers(int32_t* major_version,
|
||
|
|
int32_t* minor_version,
|
||
|
|
int32_t* bugfix_version);
|
||
|
|
|
||
|
|
// Returns the architecture of the running operating system.
|
||
|
|
// Exact return value may differ across platforms.
|
||
|
|
// e.g. a 32-bit x86 kernel on a 64-bit capable CPU will return "x86",
|
||
|
|
// whereas a x86-64 kernel on the same CPU will return "x86_64"
|
||
|
|
static std::string OperatingSystemArchitecture();
|
||
|
|
|
||
|
|
// Avoid using this. Use base/cpu.h to get information about the CPU instead.
|
||
|
|
// http://crbug.com/148884
|
||
|
|
// Returns the CPU model name of the system. If it can not be figured out,
|
||
|
|
// an empty string is returned.
|
||
|
|
static std::string CPUModelName();
|
||
|
|
|
||
|
|
// Return the smallest amount of memory (in bytes) which the VM system will
|
||
|
|
// allocate.
|
||
|
|
static size_t VMAllocationGranularity();
|
||
|
|
|
||
|
|
#if defined(OS_CHROMEOS)
|
||
|
|
// Set |value| and return true if LsbRelease contains information about |key|.
|
||
|
|
static bool GetLsbReleaseValue(const std::string& key, std::string* value);
|
||
|
|
|
||
|
|
// Convenience function for GetLsbReleaseValue("CHROMEOS_RELEASE_BOARD",...).
|
||
|
|
// Returns "unknown" if CHROMEOS_RELEASE_BOARD is not set. Otherwise, returns
|
||
|
|
// the full name of the board. Note that the returned value often differs
|
||
|
|
// between developers' systems and devices that use official builds. E.g. for
|
||
|
|
// a developer-built image, the function could return 'glimmer', while in an
|
||
|
|
// official build, it may be something like 'glimmer-signed-mp-v4keys'.
|
||
|
|
//
|
||
|
|
// NOTE: Strings returned by this function should be treated as opaque values
|
||
|
|
// within Chrome (e.g. for reporting metrics elsewhere). If you need to make
|
||
|
|
// Chrome behave differently for different Chrome OS devices, either directly
|
||
|
|
// check for the hardware feature that you care about (preferred) or add a
|
||
|
|
// command-line flag to Chrome and pass it from session_manager (based on
|
||
|
|
// whether a USE flag is set or not). See https://goo.gl/BbBkzg for more
|
||
|
|
// details.
|
||
|
|
static std::string GetLsbReleaseBoard();
|
||
|
|
|
||
|
|
// Returns the creation time of /etc/lsb-release. (Used to get the date and
|
||
|
|
// time of the Chrome OS build).
|
||
|
|
static Time GetLsbReleaseTime();
|
||
|
|
|
||
|
|
// Returns true when actually running in a Chrome OS environment.
|
||
|
|
static bool IsRunningOnChromeOS();
|
||
|
|
|
||
|
|
// Test method to force re-parsing of lsb-release.
|
||
|
|
static void SetChromeOSVersionInfoForTest(const std::string& lsb_release,
|
||
|
|
const Time& lsb_release_time);
|
||
|
|
|
||
|
|
// Returns the kernel version of the host operating system.
|
||
|
|
static std::string KernelVersion();
|
||
|
|
#endif // defined(OS_CHROMEOS)
|
||
|
|
|
||
|
|
#if defined(OS_ANDROID)
|
||
|
|
// Returns the Android build's codename.
|
||
|
|
static std::string GetAndroidBuildCodename();
|
||
|
|
|
||
|
|
// Returns the Android build ID.
|
||
|
|
static std::string GetAndroidBuildID();
|
||
|
|
|
||
|
|
// Returns the Android hardware EGL system property.
|
||
|
|
static std::string GetAndroidHardwareEGL();
|
||
|
|
|
||
|
|
static int DalvikHeapSizeMB();
|
||
|
|
static int DalvikHeapGrowthLimitMB();
|
||
|
|
#endif // defined(OS_ANDROID)
|
||
|
|
|
||
|
|
#if defined(OS_IOS)
|
||
|
|
// Returns the iOS build number string which is normally an alphanumeric
|
||
|
|
// string like 12E456. This build number can differentiate between different
|
||
|
|
// versions of iOS that may have the same major/minor/bugfix version numbers.
|
||
|
|
// For example, iOS beta releases have the same version number but different
|
||
|
|
// build number strings.
|
||
|
|
static std::string GetIOSBuildNumber();
|
||
|
|
#endif // defined(OS_IOS)
|
||
|
|
|
||
|
|
// Returns true for low-end devices that may require extreme tradeoffs,
|
||
|
|
// including user-visible changes, for acceptable performance.
|
||
|
|
// For general memory optimizations, consider |AmountOfPhysicalMemoryMB|.
|
||
|
|
//
|
||
|
|
// On Android this returns:
|
||
|
|
// true when memory <= 1GB on Android O and later.
|
||
|
|
// true when memory <= 512MB on Android N and earlier.
|
||
|
|
// This is not the same as "low-memory" and will be false on a large number of
|
||
|
|
// <=1GB pre-O Android devices. See: |detectLowEndDevice| in SysUtils.java.
|
||
|
|
// On Desktop this returns true when memory <= 512MB.
|
||
|
|
static bool IsLowEndDevice();
|
||
|
|
|
||
|
|
private:
|
||
|
|
FRIEND_TEST_ALL_PREFIXES(SysInfoTest, AmountOfAvailablePhysicalMemory);
|
||
|
|
FRIEND_TEST_ALL_PREFIXES(debug::SystemMetricsTest, ParseMeminfo);
|
||
|
|
|
||
|
|
static int64_t AmountOfPhysicalMemoryImpl();
|
||
|
|
static int64_t AmountOfAvailablePhysicalMemoryImpl();
|
||
|
|
static bool IsLowEndDeviceImpl();
|
||
|
|
static HardwareInfo GetHardwareInfoSync();
|
||
|
|
|
||
|
|
#if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_AIX)
|
||
|
|
static int64_t AmountOfAvailablePhysicalMemory(
|
||
|
|
const SystemMemoryInfoKB& meminfo);
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace base
|
||
|
|
|
||
|
|
#endif // BASE_SYSTEM_SYS_INFO_H_
|