mirror of
https://github.com/RPCS3/rpcs3.git
synced 2024-11-22 02:32:36 +01:00
376 lines
8.8 KiB
C++
Executable File
376 lines
8.8 KiB
C++
Executable File
#include "sysinfo.h"
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#include "StrFmt.h"
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#include "File.h"
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#include "Emu/system_config.h"
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#include "Thread.h"
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#ifdef _WIN32
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#include "windows.h"
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#include "sysinfoapi.h"
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#include "subauth.h"
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#include "stringapiset.h"
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#else
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#include <unistd.h>
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#include <sys/utsname.h>
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#include <errno.h>
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#endif
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bool utils::has_ssse3()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x1 && get_cpuid(1, 0)[2] & 0x200;
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return g_value;
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}
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bool utils::has_sse41()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x1 && get_cpuid(1, 0)[2] & 0x80000;
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return g_value;
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}
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bool utils::has_avx()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x1 && get_cpuid(1, 0)[2] & 0x10000000 && (get_cpuid(1, 0)[2] & 0x0C000000) == 0x0C000000 && (get_xgetbv(0) & 0x6) == 0x6;
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return g_value;
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}
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bool utils::has_avx2()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && get_cpuid(7, 0)[1] & 0x20 && (get_cpuid(1, 0)[2] & 0x0C000000) == 0x0C000000 && (get_xgetbv(0) & 0x6) == 0x6;
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return g_value;
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}
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bool utils::has_rtm()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[1] & 0x800) == 0x800;
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return g_value;
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}
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bool utils::has_tsx_force_abort()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[3] & 0x2000) == 0x2000;
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return g_value;
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}
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bool utils::has_mpx()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[1] & 0x4000) == 0x4000;
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return g_value;
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}
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bool utils::has_avx512()
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{
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// Check AVX512F, AVX512CD, AVX512DQ, AVX512BW, AVX512VL extensions (Skylake-X level support)
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[1] & 0xd0030000) == 0xd0030000 && (get_cpuid(1, 0)[2] & 0x0C000000) == 0x0C000000 && (get_xgetbv(0) & 0xe6) == 0xe6;
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return g_value;
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}
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bool utils::has_avx512_icl()
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{
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// Check AVX512IFMA, AVX512VBMI, AVX512VBMI2, AVX512VPOPCNTDQ, AVX512BITALG, AVX512VNNI, AVX512VPCLMULQDQ, AVX512GFNI, AVX512VAES (Icelake-client level support)
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static const bool g_value = has_avx512() && (get_cpuid(7, 0)[1] & 0x00200000) == 0x00200000 && (get_cpuid(7, 0)[2] & 0x00005f42) == 0x00005f42;
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return g_value;
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}
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bool utils::has_xop()
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{
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static const bool g_value = has_avx() && get_cpuid(0x80000001, 0)[2] & 0x800;
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return g_value;
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}
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bool utils::has_clwb()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[1] & 0x1000000) == 0x1000000;
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return g_value;
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}
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bool utils::has_invariant_tsc()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(0x80000007, 0)[3] & 0x100) == 0x100;
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return g_value;
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}
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bool utils::has_fma3()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x1 && get_cpuid(1, 0)[2] & 0x1000;
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return g_value;
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}
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bool utils::has_fma4()
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{
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static const bool g_value = get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(0x80000001, 0)[2] & 0x10000) == 0x10000;
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return g_value;
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}
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std::string utils::get_cpu_brand()
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{
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std::string brand;
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if (get_cpuid(0x80000000, 0)[0] >= 0x80000004)
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{
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for (u32 i = 0; i < 3; i++)
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{
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brand.append(reinterpret_cast<const char*>(get_cpuid(0x80000002 + i, 0).data()), 16);
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}
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}
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else
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{
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brand = "Unknown CPU";
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}
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brand.erase(brand.find_last_not_of('\0') + 1);
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brand.erase(brand.find_last_not_of(' ') + 1);
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brand.erase(0, brand.find_first_not_of(' '));
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while (auto found = brand.find(" ") + 1)
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{
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brand.erase(brand.begin() + found);
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}
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return brand;
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}
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std::string utils::get_system_info()
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{
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std::string result;
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const std::string brand = get_cpu_brand();
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const u64 mem_total = get_total_memory();
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const u32 num_proc = get_thread_count();
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fmt::append(result, "%s | %d Threads | %.2f GiB RAM", brand, num_proc, mem_total / (1024.0f * 1024 * 1024));
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if (const ullong tsc_freq = get_tsc_freq())
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{
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fmt::append(result, " | TSC: %.03fGHz", tsc_freq / 1000000000.);
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}
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else
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{
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fmt::append(result, " | TSC: Bad");
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}
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if (has_avx())
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{
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result += " | AVX";
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if (has_avx512())
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{
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result += "-512";
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if (has_avx512_icl())
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{
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result += '+';
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}
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}
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else if (has_avx2())
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{
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result += '+';
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}
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if (has_xop())
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{
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result += 'x';
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}
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}
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if (has_fma3() || has_fma4())
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{
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result += " | FMA";
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if (has_fma3() && has_fma4())
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{
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result += "3+4";
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}
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else if (has_fma3())
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{
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result += "3";
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}
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else if (has_fma4())
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{
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result += "4";
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}
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}
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if (has_rtm())
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{
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result += " | TSX";
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if (has_tsx_force_abort())
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{
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result += "-FA";
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}
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if (!has_mpx())
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{
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result += " disabled by default";
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}
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}
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return result;
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}
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std::string utils::get_firmware_version()
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{
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const std::string file_path = g_cfg.vfs.get_dev_flash() + "vsh/etc/version.txt";
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if (fs::is_file(file_path))
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{
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const fs::file version_file = fs::file(file_path);
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std::string version = version_file.to_string();
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// Extract version
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const usz start = version.find_first_of(':') + 1;
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const usz end = version.find_first_of(':', start);
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version = version.substr(start, end - start);
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// Trim version
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const usz trim_start = version.find_first_not_of('0');
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const usz trim_end = version.find_last_not_of('0');
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version = version.substr(trim_start, trim_end);
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return version;
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}
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return "";
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}
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std::string utils::get_OS_version()
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{
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std::string output;
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#ifdef _WIN32
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// GetVersionEx is deprecated, RtlGetVersion is kernel-mode only and AnalyticsInfo is UWP only.
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// So we're forced to read PEB instead to get Windows version info. It's ugly but works.
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const DWORD peb_offset = 0x60;
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const INT_PTR peb = __readgsqword(peb_offset);
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const DWORD version_major = *reinterpret_cast<const DWORD*>(peb + 0x118);
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const DWORD version_minor = *reinterpret_cast<const DWORD*>(peb + 0x11c);
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const WORD build = *reinterpret_cast<const WORD*>(peb + 0x120);
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const UNICODE_STRING service_pack = *reinterpret_cast<const UNICODE_STRING*>(peb + 0x02E8);
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const u64 compatibility_mode = *reinterpret_cast<const u64*>(peb + 0x02C8); // Two DWORDs, major & minor version
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const bool has_sp = service_pack.Length > 0;
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std::vector<char> holder(service_pack.Length + 1, '\0');
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if (has_sp)
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{
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WideCharToMultiByte(CP_UTF8, NULL, service_pack.Buffer, service_pack.Length,
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(LPSTR) holder.data(), static_cast<int>(holder.size()), NULL, NULL);
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}
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fmt::append(output,
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"Operating system: Windows, Major: %lu, Minor: %lu, Build: %u, Service Pack: %s, Compatibility mode: %llu",
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version_major, version_minor, build, has_sp ? holder.data() : "none", compatibility_mode);
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#else
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struct utsname details = {};
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if (!uname(&details))
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{
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fmt::append(output, "Operating system: POSIX, Name: %s, Release: %s, Version: %s",
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details.sysname, details.release, details.version);
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}
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else
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{
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fmt::append(output, "Operating system: POSIX, Unknown version! (Error: %d)", errno);
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}
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#endif
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return output;
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}
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static constexpr ullong round_tsc(ullong val)
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{
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return ::rounded_div(val, 1'000'000) * 1'000'000;
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}
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ullong utils::get_tsc_freq()
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{
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static const ullong cal_tsc = []() -> ullong
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{
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if (!has_invariant_tsc())
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return 0;
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#ifdef _WIN32
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LARGE_INTEGER freq;
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if (!QueryPerformanceFrequency(&freq))
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return 0;
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if (freq.QuadPart <= 9'999'999)
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return round_tsc(freq.QuadPart * 1024);
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const ullong timer_freq = freq.QuadPart;
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#else
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const ullong timer_freq = 1'000'000'000;
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#endif
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// Calibrate TSC
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constexpr int samples = 40;
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ullong rdtsc_data[samples];
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ullong timer_data[samples];
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ullong error_data[samples];
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// Narrow thread affinity to a single core
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const u64 old_aff = thread_ctrl::get_thread_affinity_mask();
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thread_ctrl::set_thread_affinity_mask(old_aff & (0 - old_aff));
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#ifndef _WIN32
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struct timespec ts0;
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clock_gettime(CLOCK_MONOTONIC, &ts0);
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ullong sec_base = ts0.tv_sec;
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#endif
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for (int i = 0; i < samples; i++)
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{
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#ifdef _WIN32
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Sleep(1);
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error_data[i] = (_mm_lfence(), __rdtsc());
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LARGE_INTEGER ctr;
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QueryPerformanceCounter(&ctr);
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rdtsc_data[i] = (_mm_lfence(), __rdtsc());
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timer_data[i] = ctr.QuadPart;
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#else
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usleep(200);
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error_data[i] = (_mm_lfence(), __rdtsc());
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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rdtsc_data[i] = (_mm_lfence(), __rdtsc());
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timer_data[i] = ts.tv_nsec + (ts.tv_sec - sec_base) * 1'000'000'000;
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#endif
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}
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// Restore main thread affinity
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thread_ctrl::set_thread_affinity_mask(old_aff);
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// Compute average TSC
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ullong acc = 0;
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for (int i = 0; i < samples - 1; i++)
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{
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acc += (rdtsc_data[i + 1] - rdtsc_data[i]) * timer_freq / (timer_data[i + 1] - timer_data[i]);
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}
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// Rounding
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return round_tsc(acc / (samples - 1));
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}();
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return cal_tsc;
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}
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u64 utils::get_total_memory()
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{
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#ifdef _WIN32
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::MEMORYSTATUSEX memInfo;
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memInfo.dwLength = sizeof(memInfo);
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::GlobalMemoryStatusEx(&memInfo);
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return memInfo.ullTotalPhys;
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#else
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return ::sysconf(_SC_PHYS_PAGES) * ::sysconf(_SC_PAGE_SIZE);
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#endif
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}
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u32 utils::get_thread_count()
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{
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#ifdef _WIN32
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::SYSTEM_INFO sysInfo;
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::GetNativeSystemInfo(&sysInfo);
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return sysInfo.dwNumberOfProcessors;
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#else
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return ::sysconf(_SC_NPROCESSORS_ONLN);
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#endif
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}
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