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construct/include/ircd/prof/vg.h
Jason Volk fefaaca2c2 ircd::prof: Split header into directory.
ircd::prof: Split linux/perf_event specific to unit.
2019-07-31 19:43:09 -07:00

40 lines
1,000 B
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_VG_H
/// Callgrind hypercall suite
namespace ircd::prof::vg
{
struct enable;
struct disable;
bool enabled();
void dump(const char *const reason = nullptr);
void toggle();
void reset();
void start() noexcept;
void stop() noexcept;
}
/// Enable callgrind profiling for the scope
struct ircd::prof::vg::enable
{
enable() noexcept;
~enable() noexcept;
};
/// Disable any enabled callgrind profiling for the scope; then restore.
struct ircd::prof::vg::disable
{
disable() noexcept;
~disable() noexcept;
};