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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/metrics/perf/cpu_identity.h"
#include <string.h>
#include <algorithm> // for std::lower_bound()
#include "base/compiler_specific.h"
#include "base/cpu.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/system/sys_info.h"
#include "build/build_config.h"
namespace metrics {
namespace internal {
const CpuUarchTableEntry kCpuUarchTable[] = {
// These were found on various sources on the Internet. Main ones are:
// http://instlatx64.atw.hu/ for CPUID to model name and
// http://www.cpu-world.com for model name to microarchitecture
// clang-format off
{"06_09", "Banias"},
{"06_0D", "Dothan"},
{"06_0F", "Merom"},
{"06_16", "Merom"},
{"06_17", "Nehalem"},
{"06_1A", "Nehalem"},
{"06_1C", "Bonnell"}, // Atom
{"06_1D", "Nehalem"},
{"06_1E", "Nehalem"},
{"06_1F", "Nehalem"},
{"06_25", "Westmere"},
{"06_26", "Bonnell"}, // Atom
{"06_2A", "SandyBridge"},
{"06_2C", "Westmere"},
{"06_2D", "SandyBridge"},
{"06_2E", "Nehalem"},
{"06_2F", "Westmere"},
{"06_36", "Saltwell"}, // Atom
{"06_37", "Silvermont"},
{"06_3A", "IvyBridge"},
{"06_3C", "Haswell"},
{"06_3D", "Broadwell"},
{"06_3E", "IvyBridge"},
{"06_3F", "Haswell"},
{"06_45", "Haswell"},
{"06_46", "Haswell"},
{"06_47", "Broadwell"}, // Broadwell-H
{"06_4C", "Airmont"}, // Braswell
{"06_4D", "Silvermont"}, // Avoton/Rangely
{"06_4E", "Skylake"},
{"06_55", "Skylake"}, // Skylake-X
{"06_56", "Broadwell"}, // Broadwell-DE
{"06_5C", "Goldmont"},
{"06_5E", "Skylake"},
{"06_5F", "Goldmont"}, // Denverton
{"06_7A", "GoldmontPlus"},
{"06_7E", "IceLake"},
{"06_8C", "Tigerlake"},
{"06_8D", "Tigerlake"},
{"06_8E", "Kabylake"},
{"06_97", "AlderLake"},
{"06_9A", "AlderLake"},
{"06_9C", "Tremont"}, // Jasperlake
{"06_9E", "Kabylake"},
{"06_A5", "CometLake"},
{"06_A6", "CometLake"},
{"06_B7", "RaptorLake"},
{"06_BA", "RaptorLake"},
{"06_BE", "Gracemont"}, // Alderlake-N
{"06_BF", "RaptorLake"},
{"0F_03", "Prescott"},
{"0F_04", "Prescott"},
{"0F_06", "Presler"},
{"0F_68", "Athlon64"},
{"0F_6B", "Athlon64"},
{"10_02", "K10"},
{"10_04", "K10"},
{"10_05", "K10"},
{"10_06", "K10"},
{"12_01", "Llano"},
{"14_01", "Bobcat"},
{"14_02", "Bobcat"},
{"15_01", "Bulldozer"},
{"15_10", "Piledriver"}, // AMD Trinity
{"15_13", "Piledriver"}, // AMD Richland
{"15_30", "Steamroller"}, // AMD Kaveri
{"15_38", "Steamroller"}, // AMD Godavari
{"15_60", "Excavator"}, // AMD Carizzo
{"15_65", "Excavator"}, // AMD Bristol Ridge
{"15_70", "Excavator"}, // AMD Stoney Ridge
{"16_00", "Jaguar"}, // AMD APUs Beema, Mullins, Steppe & Crowned Eagle
{"16_30", "Puma"}, // AMD APUs Kabini, Temash, Kyoto
{"17_01", "Zen"}, // AMD Summit Ridge
{"17_08", "Zen+"}, // AMD Pinacle Ridge
{"17_11", "Zen"}, // AMD Raven Ridge
{"17_18", "Zen+"}, // AMD Picasso
{"17_20", "Zen"}, // AMD Dali
{"17_60", "Zen2"}, // AMD Renoir
{"17_68", "Zen2"}, // AMD Lucienne
{"17_71", "Zen2"}, // AMD Matisse
{"17_A0", "Zen2"}, // AMD Mendocino
{"19_50", "Zen3"}, // AMD Cezanne
// clang-format on
};
const CpuUarchTableEntry* kCpuUarchTableEnd = std::end(kCpuUarchTable);
bool CpuUarchTableCmp(const CpuUarchTableEntry& a,
const CpuUarchTableEntry& b) {
return UNSAFE_TODO(strcmp(a.family_model, b.family_model)) < 0;
}
} // namespace internal
CPUIdentity::CPUIdentity() : family(0), model(0) {}
CPUIdentity::CPUIdentity(const CPUIdentity& other) = default;
CPUIdentity::~CPUIdentity() = default;
std::string GetCpuUarch(const CPUIdentity& cpuid) {
if (cpuid.vendor != "GenuineIntel" && cpuid.vendor != "AuthenticAMD")
return std::string(); // Non-Intel or -AMD
std::string family_model =
base::StringPrintf("%02X_%02X", cpuid.family, cpuid.model);
const internal::CpuUarchTableEntry search_elem = {family_model.c_str(), ""};
auto* bound = std::lower_bound(internal::kCpuUarchTable,
internal::kCpuUarchTableEnd, search_elem,
internal::CpuUarchTableCmp);
if (bound == internal::kCpuUarchTableEnd ||
bound->family_model != family_model)
return std::string(); // Unknown uarch
return bound->uarch;
}
CPUIdentity GetCPUIdentity() {
CPUIdentity result = {};
result.arch = base::SysInfo::OperatingSystemArchitecture();
result.release =
#if BUILDFLAG(IS_CHROMEOS)
base::SysInfo::KernelVersion();
#elif BUILDFLAG(IS_LINUX)
base::SysInfo::OperatingSystemVersion();
#else
#error "Unsupported configuration"
#endif
base::CPU cpuid;
result.vendor = cpuid.vendor_name();
result.family = cpuid.family();
result.model = cpuid.model();
result.model_name = cpuid.cpu_brand();
return result;
}
std::string SimplifyCPUModelName(const std::string& model_name) {
std::string result = model_name;
std::replace(result.begin(), result.end(), ' ', '-');
base::ReplaceSubstringsAfterOffset(&result, 0, "(R)", "");
return base::ToLowerASCII(result);
}
} // namespace metrics
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