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