mirror of
https://github.com/matrix-construct/construct
synced 2024-11-26 08:42:34 +01:00
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_PROF_SYSTEM_H
|
|
|
|
namespace ircd::prof
|
|
{
|
|
struct system;
|
|
|
|
using read_closure = std::function<void (const type &, const uint64_t &val)>;
|
|
void for_each(const const_buffer &read, const read_closure &);
|
|
|
|
system &hotsample(system &) noexcept;
|
|
system &operator+=(system &a, const system &b);
|
|
system &operator-=(system &a, const system &b);
|
|
system operator+(const system &a, const system &b);
|
|
system operator-(const system &a, const system &b);
|
|
}
|
|
|
|
/// Frontend to perf_event_open(2). This has the highest resolution.
|
|
struct ircd::prof::system
|
|
:std::array<std::array<uint64_t, 2>, 7>
|
|
{
|
|
using array_type = std::array<std::array<uint64_t, 2>, 7>;
|
|
|
|
static prof::group group;
|
|
|
|
// [N][0] = KERNEL, [N][1] = USER
|
|
//
|
|
// 0: TIME_PROF,
|
|
// 1: TIME_CPU,
|
|
// 2: TIME_TASK,
|
|
// 3: PF_MINOR,
|
|
// 4: PF_MAJOR,
|
|
// 5: SWITCH_TASK,
|
|
// 6: SWITCH_CPU,
|
|
|
|
system(sample_t) noexcept;
|
|
system() :array_type{{{0}}} {}
|
|
~system() noexcept;
|
|
};
|