mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-11 13:36:13 +03:00
34 lines
920 B
C++
34 lines
920 B
C++
/*
|
|
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Tasks/PerformanceEventBuffer.h>
|
|
#include <Kernel/Tasks/Process.h>
|
|
|
|
namespace Kernel {
|
|
|
|
ErrorOr<FlatPtr> Process::sys$perf_event(int type, FlatPtr arg1, FlatPtr arg2)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
|
|
auto* events_buffer = current_perf_events_buffer();
|
|
if (!events_buffer)
|
|
return 0;
|
|
TRY(events_buffer->append(type, arg1, arg2, {}));
|
|
return 0;
|
|
}
|
|
|
|
ErrorOr<FlatPtr> Process::sys$perf_register_string(Userspace<char const*> user_string, size_t user_string_length)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
|
|
auto* events_buffer = current_perf_events_buffer();
|
|
if (!events_buffer)
|
|
return 0;
|
|
|
|
auto string = TRY(try_copy_kstring_from_user(user_string, user_string_length));
|
|
return events_buffer->register_string(move(string));
|
|
}
|
|
|
|
}
|