| /* |
| * Copyright (c) 2013, 2018, 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. |
| */ |
| package vm.compiler.complog.uninit; |
| |
| import java.util.*; |
| import java.util.regex.*; |
| import java.io.*; |
| |
| import nsk.share.TestFailure; |
| import vm.compiler.complog.share.LogCompilationParser; |
| |
| /** |
| * Parser that finds uninitialized traps for each method and throws |
| * and exception if there are more then 1 uninitialized trap for at least 1 method. |
| * |
| * Parser supports following options: |
| * <ul> |
| * <li>-classFilter=<comma separated list> - list of classes for which uncommon traps will be checked. If option is not presented or list is empty then all uncommon traps for all classes will be checked. |
| * <li>-methodFilter=<comma separated list> - list of methods for which uncommon traps will be checked. If option is not presented or list is empty then all uncommon traps for all methods will be checked. |
| * </ul> |
| * If compilation log contains uncommon trap with reason uninialized that was fired for method M in class K, then it will be checked only if classFilter contains K and methodFilter contains M. |
| */ |
| public class UninitializedTrapCounter extends LogCompilationParser { |
| private Map<String,Integer> methods = new LinkedHashMap<String,Integer>(); |
| |
| private static final String JVMS_ELEMENT = "<jvms [^>]*>"; |
| private static final String METHOD_INFO = "method='(([^ ']+) ([^ ']+) [^']+)'.*uninitialized_traps='([0-9]+)'"; |
| private static final String CLASS_FILTER = "-classFilter=([^ ]+)"; |
| private static final String METHOD_FILTER = "-methodFilter=([^ ]+)"; |
| private static Pattern pattern = Pattern.compile(METHOD_INFO); |
| |
| private List<String> classFilter = new ArrayList<String>(); |
| private List<String> methodFilter = new ArrayList<String>(); |
| |
| public void setOptions(String optionString) { |
| if(optionString == null) return; |
| Matcher methodFilterMatcher = Pattern.compile(METHOD_FILTER).matcher(optionString); |
| Matcher classFilterMatcher = Pattern.compile(CLASS_FILTER).matcher(optionString); |
| if(methodFilterMatcher.find()) { |
| methodFilter = Arrays.asList(methodFilterMatcher.group(1).split(",")); |
| } |
| if(classFilterMatcher.find()) { |
| classFilter = Arrays.asList(classFilterMatcher.group(1).split(",")); |
| } |
| } |
| |
| /** |
| * Find uninitialized traps count. |
| */ |
| public void parse(File logFile) throws Throwable { |
| Scanner scanner = new Scanner(logFile); |
| String jvms = scanner.findWithinHorizon(JVMS_ELEMENT,0); |
| while(jvms != null) { |
| parseJVMSElement(jvms); |
| jvms = scanner.findWithinHorizon(JVMS_ELEMENT,0); |
| } |
| |
| boolean failed = false; |
| for(Map.Entry<String,Integer> method : methods.entrySet()) { |
| if(method.getValue() > 1) { |
| failed = true; |
| log.error(method.getValue() + |
| " uninitizlied traps found for method '" + |
| method.getKey() + "'."); |
| |
| } |
| } |
| if(failed) { |
| throw new TestFailure("More than 1 uncommon trap with reason 'uninitialized'"+ |
| " occurred at least for 1 method."); |
| } |
| } |
| |
| private void parseJVMSElement(String jvms) { |
| Matcher matcher = pattern.matcher(jvms); |
| if(!matcher.find()) return; |
| |
| String methodID = matcher.group(1); |
| String trapsCountStr = matcher.group(4); |
| Integer trapsCount = 0; |
| Integer oldTrapsCount = 0; |
| String className = matcher.group(2); |
| String methodName = matcher.group(3); |
| |
| if((classFilter.size() > 0 && !findMatches(classFilter,className)) || |
| (methodFilter.size() > 0 && !findMatches(methodFilter,methodName))) { |
| //filtering out uncommon trap we are not interested in |
| return; |
| } |
| |
| try { |
| trapsCount = Integer.valueOf(trapsCountStr); |
| } catch (NumberFormatException nfe) { |
| trapsCount = 0; |
| } |
| |
| oldTrapsCount = methods.get(methodID); |
| if(oldTrapsCount == null) oldTrapsCount = -1; |
| |
| methods.put(methodID, Math.max(trapsCount, oldTrapsCount)); |
| } |
| |
| private static boolean findMatches(List<String> patterns, String str) { |
| for(String pattern : patterns) { |
| if(Pattern.matches(pattern,str)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } |