ladybird/Userland/Utilities/lscpu.cpp
2022-04-03 23:20:33 +02:00

53 lines
1.6 KiB
C++

/*
* Copyright (c) 2022, Undefine <undefine@undefine.pl>.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Format.h>
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <LibCore/File.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
static void print_cpu_info(JsonObject const& value)
{
outln("CPU {}:", value.get("processor").as_u32());
outln("\tVendor ID: {}", value.get("vendor_id").as_string());
if (value.has("hypervisor_vendor_id"))
outln("\tHypervisor Vendor ID: {}", value.get("hypervisor_vendor_id").as_string());
outln("\tBrand: {}", value.get("brand").as_string());
outln("\tFamily: {}", value.get("family").as_u32());
outln("\tModel: {}", value.get("model").as_u32());
outln("\tStepping: {}", value.get("stepping").as_u32());
outln("\tType: {}", value.get("type").as_u32());
out("\tFeatures: ");
auto& features = value.get("features").as_array();
for (auto const& feature : features.values())
out("{} ", feature.as_string());
outln();
}
ErrorOr<int> serenity_main(Main::Arguments)
{
TRY(Core::System::pledge("stdio rpath"));
TRY(Core::System::unveil("/proc/cpuinfo", "r"));
TRY(Core::System::unveil(nullptr, nullptr));
auto file = TRY(Core::File::open("/proc/cpuinfo", Core::OpenMode::ReadOnly));
auto json = TRY(JsonValue::from_string(file->read_all()));
auto& array = json.as_array();
for (size_t i = 0; i < array.size(); i++) {
print_cpu_info(array.at(i).as_object());
if (i != array.size() - 1)
outln();
}
return 0;
}