/*
 * Copyright (c) 2016, 2025, 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 "gc/shared/gc_globals.hpp"
#include "gc/shared/gcLogPrecious.hpp"
#include "gc/z/zNUMA.inline.hpp"
#include "utilities/macros.hpp"

bool ZNUMA::_enabled;
uint32_t ZNUMA::_count;

void ZNUMA::initialize() {
  pd_initialize();

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

  if (_enabled) {
    assert(!is_faked(), "Currently not supported");
    log_info_p(gc, init)("NUMA Nodes: %u", _count);

  } else if (is_faked()) {
    log_info_p(gc, init)("Fake NUMA Nodes: %u", count());
  }
}

const char* ZNUMA::to_string() {
  if (is_faked()) {
    return "Faked";
  }

  return _enabled ? "Enabled" : "Disabled";
}