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62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/*
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* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <Kernel/PerformanceEventBuffer.h>
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#include <Kernel/Process.h>
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#include <Kernel/Thread.h>
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namespace Kernel {
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class PerformanceManager {
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public:
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inline static void add_process_created_event(Process& process)
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{
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if (g_profiling_all_threads) {
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VERIFY(g_global_perf_events);
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g_global_perf_events->add_process(process, ProcessEventType::Create);
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}
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}
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inline static void add_process_exec_event(Process& process)
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{
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if (auto* event_buffer = process.current_perf_events_buffer()) {
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event_buffer->add_process(process, ProcessEventType::Exec);
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}
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}
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inline static void add_thread_created_event(Thread& thread)
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{
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if (auto* event_buffer = thread.process().current_perf_events_buffer()) {
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[[maybe_unused]] auto rc = event_buffer->append(PERF_EVENT_THREAD_CREATE, thread.tid().value(), 0, nullptr, &thread);
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}
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}
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inline static void add_thread_exit_event(Thread& thread)
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{
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if (auto* event_buffer = thread.process().current_perf_events_buffer()) {
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[[maybe_unused]] auto rc = event_buffer->append(PERF_EVENT_THREAD_EXIT, thread.tid().value(), 0, nullptr, &thread);
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}
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}
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inline static void add_mmap_perf_event(Process& current_process, Region const& region)
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{
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if (auto* event_buffer = current_process.current_perf_events_buffer()) {
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[[maybe_unused]] auto res = event_buffer->append(PERF_EVENT_MMAP, region.vaddr().get(), region.size(), region.name());
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}
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}
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inline static void add_unmap_perf_event(Process& current_process, Range const& region)
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{
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if (auto* event_buffer = current_process.current_perf_events_buffer()) {
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[[maybe_unused]] auto res = event_buffer->append(PERF_EVENT_MUNMAP, region.base().get(), region.size(), nullptr);
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}
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}
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};
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}
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