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https://github.com/matrix-construct/construct
synced 2024-12-26 23:44:01 +01:00
ircd::info: Get more extended feature bits; various cleanup.
This commit is contained in:
Jason Volk
parent
5ab5ef53cf
commit
855a5f5a1e
2 changed files with 111 additions and 77 deletions
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@ -37,7 +37,7 @@ namespace ircd::info
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extern const size_t hardware_concurrency;
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extern const size_t destructive_interference;
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extern const size_t constructive_interference;
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extern const uint128_t cpuid[8];
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extern const std::array<uint128_t, 8> cpuid;
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extern const string_view cpuvendor;
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// System information
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170
ircd/info.cc
170
ircd/info.cc
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@ -13,6 +13,11 @@
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#include <RB_INC_CPUID_H
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#include <RB_INC_GNU_LIBC_VERSION_H
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namespace ircd::info
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{
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static void dump_cpu_info();
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}
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decltype(ircd::info::credits)
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ircd::info::credits
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{
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@ -100,50 +105,7 @@ ircd::info::dump()
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aio_reqprio_max,
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};
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// This message flashes standard information about the system and platform
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// IRCd is compiled for and running on.
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log::debug
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{
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"cpu[%s] max_align=%zu hw_conc=%zu d_inter=%zu c_inter=%zu",
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cpuvendor,
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max_align,
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hardware_concurrency,
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destructive_interference,
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constructive_interference,
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};
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// This message flashes standard hardware feature information
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#ifdef __x86_64__
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log::debug
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{
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"0..01 [%08x|%08x|%08x|%08x] "
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"0..07 [%08x|%08x|%08x|%08x]",
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uint32_t(cpuid[1]),
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uint32_t(cpuid[1] >> 32),
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uint32_t(cpuid[1] >> 64),
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uint32_t(cpuid[1] >> 96),
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uint32_t(cpuid[3]),
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uint32_t(cpuid[3] >> 32),
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uint32_t(cpuid[3] >> 64),
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uint32_t(cpuid[3] >> 96),
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};
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#endif
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#ifdef __x86_64__
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log::debug
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{
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"8..01 [%08x|%08x|%08x|%08x] "
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"8..1c [%08x|%08x|%08x|%08x]",
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uint32_t(cpuid[5]),
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uint32_t(cpuid[5] >> 32),
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uint32_t(cpuid[5] >> 64),
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uint32_t(cpuid[5] >> 96),
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uint32_t(cpuid[6]),
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uint32_t(cpuid[6] >> 32),
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uint32_t(cpuid[6] >> 64),
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uint32_t(cpuid[6] >> 96),
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};
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#endif
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dump_cpu_info();
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}
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//
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@ -543,6 +505,38 @@ ircd::info::page_size
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// Platform information
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//
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decltype(ircd::info::constructive_interference)
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ircd::info::constructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_constructive_interference_size
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#else
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0
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#endif
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};
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decltype(ircd::info::destructive_interference)
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ircd::info::destructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_destructive_interference_size
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#else
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0
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#endif
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};
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decltype(ircd::info::hardware_concurrency)
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ircd::info::hardware_concurrency
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{
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std::thread::hardware_concurrency()
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};
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decltype(ircd::info::max_align)
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ircd::info::max_align
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{
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alignof(std::max_align_t)
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};
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#ifdef __x86_64__
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static ircd::uint128_t
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get_cpuid(const uint &leaf,
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@ -584,15 +578,15 @@ ircd::info::cpuid
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{
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get_cpuid(0x00000000U, 0),
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get_cpuid(0x00000001U, 0),
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get_cpuid(0x00000007U, 0),
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0UL,
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get_cpuid(0x00000007U, 0U),
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get_cpuid(0x80000000U, 0),
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get_cpuid(0x80000001U, 0),
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get_cpuid(0x80000007U, 0), // ACPI
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get_cpuid(0x8000001CU, 0), // AMD Vol.2 13.4.3.3 (LWP)
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0UL,
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};
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char
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static char
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_cpuvendor_[12];
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decltype(ircd::info::cpuvendor)
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@ -600,7 +594,7 @@ ircd::info::cpuvendor{[&]
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{
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const auto b
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{
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reinterpret_cast<const uint8_t *>(cpuid + 0)
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reinterpret_cast<const uint8_t *>(cpuid.data())
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};
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_cpuvendor_[0] = b[4];
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@ -622,38 +616,78 @@ ircd::info::cpuvendor{[&]
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};
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}()};
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decltype(ircd::info::constructive_interference)
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ircd::info::constructive_interference
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void
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ircd::info::dump_cpu_info()
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_constructive_interference_size
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#else
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0
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#endif
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// This message flashes standard information about the system and platform
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// IRCd is compiled for and running on.
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log::debug
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{
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"cpu[%s] max_align=%zu hw_conc=%zu d_inter=%zu c_inter=%zu",
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cpuvendor,
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max_align,
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hardware_concurrency,
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destructive_interference,
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constructive_interference,
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};
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decltype(ircd::info::destructive_interference)
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ircd::info::destructive_interference
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log::debug
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_destructive_interference_size
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#else
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0
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#endif
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"0..00 [%08x|%08x|%08x|%08x] "
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"0..01 [%08x|%08x|%08x|%08x]",
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uint32_t(cpuid[0]),
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uint32_t(cpuid[0] >> 32),
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uint32_t(cpuid[0] >> 64),
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uint32_t(cpuid[0] >> 96),
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uint32_t(cpuid[1]),
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uint32_t(cpuid[1] >> 32),
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uint32_t(cpuid[1] >> 64),
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uint32_t(cpuid[1] >> 96),
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};
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decltype(ircd::info::hardware_concurrency)
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ircd::info::hardware_concurrency
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log::debug
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{
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std::thread::hardware_concurrency()
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"0..07 [%08x|%08x|%08x|%08x] "
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"0..00 [%08x|%08x|%08x|%08x]",
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uint32_t(cpuid[2]),
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uint32_t(cpuid[2] >> 32),
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uint32_t(cpuid[2] >> 64),
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uint32_t(cpuid[2] >> 96),
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uint32_t(cpuid[3]),
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uint32_t(cpuid[3] >> 32),
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uint32_t(cpuid[3] >> 64),
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uint32_t(cpuid[3] >> 96),
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};
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decltype(ircd::info::max_align)
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ircd::info::max_align
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log::debug
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{
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alignof(std::max_align_t)
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"8..00 [%08x|%08x|%08x|%08x] "
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"8..01 [%08x|%08x|%08x|%08x]",
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uint32_t(cpuid[4]),
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uint32_t(cpuid[4] >> 32),
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uint32_t(cpuid[4] >> 64),
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uint32_t(cpuid[4] >> 96),
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uint32_t(cpuid[5]),
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uint32_t(cpuid[5] >> 32),
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uint32_t(cpuid[5] >> 64),
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uint32_t(cpuid[5] >> 96),
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};
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log::debug
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{
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"8..07 [%08x|%08x|%08x|%08x] "
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"8..1C [%08x|%08x|%08x|%08x]",
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uint32_t(cpuid[6]),
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uint32_t(cpuid[6] >> 32),
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uint32_t(cpuid[6] >> 64),
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uint32_t(cpuid[6] >> 96),
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uint32_t(cpuid[7]),
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uint32_t(cpuid[7] >> 32),
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uint32_t(cpuid[7] >> 64),
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uint32_t(cpuid[7] >> 96),
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};
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}
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//
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// Build information
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//
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