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75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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* Copyright (c) 2022, Undefine <undefine@undefine.pl>
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* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Format.h>
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/NumberFormat.h>
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#include <LibCore/File.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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static void print_cache_info(StringView description, JsonObject const& cache_object)
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{
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outln("\t{}:", description);
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outln("\t\tSize: {}", human_readable_size(cache_object.get_u32("size"sv).value()));
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outln("\t\tLine size: {}", human_readable_size(cache_object.get_u32("line_size"sv).value()));
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}
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static void print_cpu_info(JsonObject const& value)
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{
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outln("CPU {}:", value.get_u32("processor"sv).value());
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outln("\tVendor ID: {}", value.get_deprecated_string("vendor_id"sv).value());
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if (value.has("hypervisor_vendor_id"sv))
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outln("\tHypervisor Vendor ID: {}", value.get_deprecated_string("hypervisor_vendor_id"sv).value());
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outln("\tBrand: {}", value.get_deprecated_string("brand"sv).value());
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outln("\tFamily: {}", value.get_u32("family"sv).value());
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outln("\tModel: {}", value.get_u32("model"sv).value());
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outln("\tStepping: {}", value.get_u32("stepping"sv).value());
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outln("\tType: {}", value.get_u32("type"sv).value());
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auto& caches = value.get_object("caches"sv).value();
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if (caches.has("l1_data"sv))
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print_cache_info("L1 data cache"sv, caches.get_object("l1_data"sv).value());
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if (caches.has("l1_instruction"sv))
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print_cache_info("L1 instruction cache"sv, caches.get_object("l1_instruction"sv).value());
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if (caches.has("l2"sv))
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print_cache_info("L2 cache"sv, caches.get_object("l2"sv).value());
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if (caches.has("l3"sv))
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print_cache_info("L3 cache"sv, caches.get_object("l3"sv).value());
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out("\tFeatures: ");
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auto& features = value.get_array("features"sv).value();
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for (auto const& feature : features.values())
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out("{} ", feature.as_string());
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outln();
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}
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ErrorOr<int> serenity_main(Main::Arguments)
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{
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TRY(Core::System::pledge("stdio rpath"));
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TRY(Core::System::unveil("/sys/kernel/cpuinfo", "r"));
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TRY(Core::System::unveil(nullptr, nullptr));
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auto file = TRY(Core::File::open("/sys/kernel/cpuinfo"sv, Core::File::OpenMode::Read));
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auto file_contents = TRY(file->read_until_eof());
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auto json = TRY(JsonValue::from_string(file_contents));
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auto const& array = json.as_array();
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for (size_t i = 0; i < array.size(); i++) {
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print_cpu_info(array.at(i).as_object());
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if (i != array.size() - 1)
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outln();
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}
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return 0;
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}
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