1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.nodes.profiling; 24 25 import jdk.vm.ci.meta.ResolvedJavaMethod; 26 27 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_10; 28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_50; 29 30 import org.graalvm.compiler.graph.NodeClass; 31 import org.graalvm.compiler.nodeinfo.NodeInfo; 32 33 @NodeInfo(cycles = CYCLES_10, size = SIZE_50) 34 public class ProfileWithNotificationNode extends ProfileNode { 35 public static final NodeClass<ProfileWithNotificationNode> TYPE = NodeClass.create(ProfileWithNotificationNode.class); 36 37 protected int freqLog; 38 39 protected ProfileWithNotificationNode(NodeClass<? extends ProfileNode> c, ResolvedJavaMethod method, int freqLog, int probabilityLog) { 40 super(c, method, probabilityLog); 41 this.freqLog = freqLog; 42 } 43 44 public ProfileWithNotificationNode(ResolvedJavaMethod method, int freqLog, int probabilityLog) { 45 super(TYPE, method, probabilityLog); 46 this.freqLog = freqLog; 47 } 48 49 /** 50 * Get the logarithm base 2 of the notification frequency. 51 */ 52 public int getNotificationFreqLog() { 53 return freqLog; 54 } 55 56 /** 57 * Set the logarithm base 2 of the notification frequency. 58 */ 59 public void setNotificationFreqLog(int freqLog) { 60 assert freqLog < 32; 61 this.freqLog = freqLog; 62 } 63 64 public void setNotificationOff() { 65 setNotificationFreqLog(-1); 66 } 67 68 }