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75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/String.h>
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#include <LibCore/File.h>
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#include <stdio.h>
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int main(int argc, char** argv)
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{
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UNUSED_PARAM(argc);
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UNUSED_PARAM(argv);
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if (pledge("stdio rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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if (unveil("/proc/interrupts", "r") < 0) {
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perror("unveil");
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return 1;
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}
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unveil(nullptr, nullptr);
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auto proc_interrupts = Core::File::construct("/proc/interrupts");
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if (!proc_interrupts->open(Core::IODevice::ReadOnly)) {
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fprintf(stderr, "Error: %s\n", proc_interrupts->error_string());
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return 1;
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}
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if (pledge("stdio", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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printf("%-18s %-10s %-13s\n", "Device", "Interrupt", "Call Counter");
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auto file_contents = proc_interrupts->read_all();
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auto json = JsonValue::from_string(file_contents).as_array();
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json.for_each([](auto& value) {
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auto handler = value.as_object();
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auto purpose = handler.get("purpose").to_string();
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auto interrupt = handler.get("interrupt_line").to_string();
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auto call_count = handler.get("call_count").to_string();
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printf("%-18s %-10s %-13s\n",
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purpose.characters(), interrupt.characters(), call_count.characters());
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});
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return 0;
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}
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