2020-07-30 21:38:15 +00:00
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/*
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2021-01-11 08:52:18 +00:00
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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2020-07-30 21:38:15 +00:00
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*
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2021-04-22 08:24:48 +00:00
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* SPDX-License-Identifier: BSD-2-Clause
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2020-07-30 21:38:15 +00:00
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*/
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#include <Kernel/PerformanceEventBuffer.h>
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#include <Kernel/Process.h>
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namespace Kernel {
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2021-06-28 18:59:35 +00:00
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KResultOr<FlatPtr> Process::sys$perf_event(int type, FlatPtr arg1, FlatPtr arg2)
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2020-07-30 21:38:15 +00:00
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{
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2021-07-18 18:20:12 +00:00
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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2021-05-15 13:05:18 +00:00
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auto events_buffer = current_perf_events_buffer();
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if (!events_buffer) {
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if (!create_perf_events_buffer_if_needed())
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return ENOMEM;
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events_buffer = perf_events();
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}
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return events_buffer->append(type, arg1, arg2, nullptr);
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2020-07-30 21:38:15 +00:00
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}
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}
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