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construct/ircd/vg.cc

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// 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.
#include <RB_INC_VALGRIND_VALGRIND_H
#include <RB_INC_VALGRIND_MEMCHECK_H
#include <RB_INC_VALGRIND_CALLGRIND_H
///////////////////////////////////////////////////////////////////////////////
//
// ircd/allocator.h
//
bool
ircd::vg::active()
{
#ifdef HAVE_VALGRIND_VALGRIND_H
return RUNNING_ON_VALGRIND;
#else
return false;
#endif
}
size_t
ircd::vg::errors()
{
#ifdef HAVE_VALGRIND_VALGRIND_H
return VALGRIND_COUNT_ERRORS;
#else
return 0;
#endif
}
//
// valgrind memcheck
//
void
ircd::allocator::vg::set_noaccess(const const_buffer &buf)
{
#ifdef HAVE_VALGRIND_MEMCHECK_H
VALGRIND_MAKE_MEM_NOACCESS(data(buf), size(buf));
#endif
}
void
ircd::allocator::vg::set_undefined(const const_buffer &buf)
{
#ifdef HAVE_VALGRIND_MEMCHECK_H
VALGRIND_MAKE_MEM_UNDEFINED(data(buf), size(buf));
#endif
}
void
ircd::allocator::vg::set_defined(const const_buffer &buf)
{
#ifdef HAVE_VALGRIND_MEMCHECK_H
VALGRIND_MAKE_MEM_DEFINED(data(buf), size(buf));
#endif
}
bool
ircd::allocator::vg::defined(const const_buffer &buf)
{
#ifdef HAVE_VALGRIND_MEMCHECK_H
return VALGRIND_CHECK_MEM_IS_DEFINED(data(buf), size(buf)) == 0;
#else
return true;
#endif
}
///////////////////////////////////////////////////////////////////////////////
//
// ircd/prof.h
//
namespace ircd::prof::vg
{
static bool _enabled;
}
void
ircd::prof::vg::stop()
noexcept
{
#ifdef HAVE_VALGRIND_CALLGRIND_H
CALLGRIND_STOP_INSTRUMENTATION;
assert(_enabled);
_enabled = false;
#endif
}
void
ircd::prof::vg::start()
noexcept
{
#ifdef HAVE_VALGRIND_CALLGRIND_H
assert(!_enabled);
_enabled = true;
CALLGRIND_START_INSTRUMENTATION;
#endif
}
void
ircd::prof::vg::reset()
{
#ifdef HAVE_VALGRIND_CALLGRIND_H
CALLGRIND_ZERO_STATS;
#endif
}
void
ircd::prof::vg::toggle()
{
#ifdef HAVE_VALGRIND_CALLGRIND_H
CALLGRIND_TOGGLE_COLLECT;
#endif
}
void
ircd::prof::vg::dump(const char *const reason)
{
#ifdef HAVE_VALGRIND_CALLGRIND_H
CALLGRIND_DUMP_STATS_AT(reason);
#endif
}
bool
ircd::prof::vg::enabled()
{
return _enabled;
}