| /* |
| * This file is part of the Jikes RVM project (http://jikesrvm.org). |
| * |
| * This file is licensed to You under the Eclipse Public License (EPL); |
| * You may not use this file except in compliance with the License. You |
| * may obtain a copy of the License at |
| * |
| * http://www.opensource.org/licenses/eclipse-1.0.php |
| * |
| * See the COPYRIGHT.txt file distributed with this work for information |
| * regarding copyright ownership. |
| */ |
| package org.mmtk.utility.options; |
| |
| import org.mmtk.plan.Plan; |
| import org.mmtk.utility.Constants; |
| |
| /** |
| * Force frequent collections after amounts of allocation. |
| */ |
| public final class StressFactor extends org.vmutil.options.PagesOption { |
| /** |
| * Create the option, defaulting to the maximum possible value. |
| */ |
| public StressFactor() { |
| super(Options.set, "Stress Factor", |
| "Force a collection after this much allocation", |
| Integer.MAX_VALUE >>> Constants.LOG_BYTES_IN_PAGE); |
| } |
| |
| /** |
| * Ensure that the value is sensible. |
| */ |
| public void validate() { |
| failIf(this.value < Plan.DEFAULT_POLL_FREQUENCY, |
| "Stress Factor must be at least equal to plan's poll frequency"); |
| } |
| } |