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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <LibCore/Stream.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments)
{
TRY(Core::System::pledge("stdio rpath"));
TRY(Core::System::unveil("/sys/kernel/interrupts", "r"));
TRY(Core::System::unveil(nullptr, nullptr));
auto proc_interrupts = TRY(Core::Stream::File::open("/sys/kernel/interrupts"sv, Core::Stream::OpenMode::Read));
TRY(Core::System::pledge("stdio"));
auto file_contents = TRY(proc_interrupts->read_until_eof());
auto json = TRY(JsonValue::from_string(file_contents));
auto cpu_count = json.as_array().at(0).as_object().get("per_cpu_call_counts"sv).as_array().size();
out(" "sv);
for (size_t i = 0; i < cpu_count; ++i) {
out("{:>10}", DeprecatedString::formatted("CPU{}", i));
}
outln("");
json.as_array().for_each([cpu_count](JsonValue const& value) {
auto& handler = value.as_object();
auto purpose = handler.get("purpose"sv).to_deprecated_string();
auto interrupt = handler.get("interrupt_line"sv).to_deprecated_string();
auto controller = handler.get("controller"sv).to_deprecated_string();
auto call_counts = handler.get("per_cpu_call_counts"sv).as_array();
out("{:>4}: ", interrupt);
for (size_t i = 0; i < cpu_count; ++i)
out("{:>10}", call_counts[i].to_deprecated_string());
outln(" {:10} {:30}", controller, purpose);
});
return 0;
}
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