1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
10 #include "base/base_export.h"
14 // Query information about the processor.
15 class BASE_EXPORT CPU final {
19 enum IntelMicroArchitecture {
29 MAX_INTEL_MICRO_ARCHITECTURE
32 // Accessors for CPU information.
33 const std::string& vendor_name() const { return cpu_vendor_; }
34 int signature() const { return signature_; }
35 int stepping() const { return stepping_; }
36 int model() const { return model_; }
37 int family() const { return family_; }
38 int type() const { return type_; }
39 int extended_model() const { return ext_model_; }
40 int extended_family() const { return ext_family_; }
41 bool has_mmx() const { return has_mmx_; }
42 bool has_sse() const { return has_sse_; }
43 bool has_sse2() const { return has_sse2_; }
44 bool has_sse3() const { return has_sse3_; }
45 bool has_ssse3() const { return has_ssse3_; }
46 bool has_sse41() const { return has_sse41_; }
47 bool has_sse42() const { return has_sse42_; }
48 bool has_popcnt() const { return has_popcnt_; }
49 bool has_avx() const { return has_avx_; }
50 bool has_avx2() const { return has_avx2_; }
51 bool has_aesni() const { return has_aesni_; }
52 bool has_non_stop_time_stamp_counter() const {
53 return has_non_stop_time_stamp_counter_;
56 IntelMicroArchitecture GetIntelMicroArchitecture() const;
57 const std::string& cpu_brand() const { return cpu_brand_; }
60 // Query the processor for CPUID information.
63 int signature_; // raw form of type, family, model, and stepping
64 int type_; // process type
65 int family_; // family of the processor
66 int model_; // model of processor
67 int stepping_; // processor revision number
81 bool has_non_stop_time_stamp_counter_;
82 std::string cpu_vendor_;
83 std::string cpu_brand_;