/*

 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include "precompiled.hpp"

#include "gc/z/zNUMA.hpp"

#include "logging/log.hpp"

#include "runtime/os.hpp"

bool ZNUMA::_enabled;

void ZNUMA::initialize() {

  initialize_platform();

  log_info(gc, init)("NUMA Support: %s", to_string());

  if (is_enabled()) {

    log_info(gc, init)("NUMA Nodes: %u", count());

  }

}

bool ZNUMA::is_enabled() {

  return _enabled;

}

void ZNUMA::memory_interleave(uintptr_t addr, size_t size) {

  if (!_enabled) {

    // NUMA support not enabled

    return;

  }

  os::numa_make_global((char*)addr, size);

}

const char* ZNUMA::to_string() {

  return _enabled ? "Enabled" : "Disabled";

}