2N/A * The contents of this file are subject to the terms of the 2N/A * Common Development and Distribution License, Version 1.0 only 2N/A * (the "License"). You may not use this file except in compliance 2N/A * See the License for the specific language governing permissions 2N/A * and limitations under the License. 2N/A * When distributing Covered Code, include this CDDL HEADER in each 2N/A * If applicable, add the following below this CDDL HEADER, with the 2N/A * fields enclosed by brackets "[]" replaced with your own identifying 2N/A * information: Portions Copyright [yyyy] [name of copyright owner] 2N/A * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 2N/A * Use is subject to license terms. 2N/A * There is already a speculation for this CPU. We just set a new 2N/A * record, so we'll discard the old one. 2N/A * We have a winner. Set the new maximum length and set the timestamp 2N/A * of the longest length. 2N/A * Now start a new speculation, and speculatively trace the length. 2N/A * We just processed the last thread that was enqueued at the time 2N/A * of longest length; commit the speculation, which by now contains 2N/A * each thread that was enqueued when the queue was longest.