56 import org.openjdk.jmc.flightrecorder.rules.jdk.dataproviders.StacktraceDataProvider; 57 import org.openjdk.jmc.flightrecorder.rules.jdk.messages.internal.Messages; 58 import org.openjdk.jmc.flightrecorder.rules.util.JfrRuleTopics; 59 import org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit; 60 import org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit.EventAvailability; 61 import org.openjdk.jmc.flightrecorder.stacktrace.FrameSeparator; 62 import org.openjdk.jmc.flightrecorder.stacktrace.FrameSeparator.FrameCategorization; 63 import org.openjdk.jmc.flightrecorder.stacktrace.StacktraceModel; 64 import org.openjdk.jmc.flightrecorder.stacktrace.StacktraceModel.Fork; 65 import org.owasp.encoder.Encode; 66 67 public class AllocationByThreadRule implements IRule { 68 private static final String THREAD_RESULT_ID = "Allocations.thread"; //$NON-NLS-1$ 69 70 private Result getResult(IItemCollection items, IPreferenceValueProvider valueProvider) { 71 EventAvailability eventAvailabilityInside = RulesToolkit.getEventAvailability(items, 72 JdkTypeIDs.ALLOC_INSIDE_TLAB); 73 EventAvailability eventAvailabilityOutside = RulesToolkit.getEventAvailability(items, 74 JdkTypeIDs.ALLOC_OUTSIDE_TLAB); 75 if (!RulesToolkit.isEventsEnabled(eventAvailabilityInside, eventAvailabilityOutside)) { 76 return RulesToolkit.getNotApplicableResult(this, 77 MessageFormat.format(Messages.getString(Messages.General_RULE_REQUIRES_ALL_EVENT_TYPES_ENABLED), 78 JdkTypeIDs.ALLOC_INSIDE_TLAB + "," + JdkTypeIDs.ALLOC_OUTSIDE_TLAB)); 79 } 80 if (!(eventAvailabilityInside == EventAvailability.AVAILABLE 81 || eventAvailabilityOutside == EventAvailability.AVAILABLE)) { 82 return RulesToolkit.getNotApplicableResult(this, 83 MessageFormat.format(Messages.getString(Messages.General_RULE_REQUIRES_EVENTS_FROM_ONE_OF_MANY), 84 JdkTypeIDs.ALLOC_INSIDE_TLAB + "," + JdkTypeIDs.ALLOC_OUTSIDE_TLAB)); 85 } 86 87 List<IntEntry<IMCThread>> entries = RulesToolkit.calculateGroupingScore(items.apply(JdkFilters.ALLOC_ALL), 88 JfrAttributes.EVENT_THREAD); 89 double balance = RulesToolkit.calculateBalanceScore(entries); 90 IntEntry<IMCThread> mostSignificant = entries.get(entries.size() - 1); 91 // FIXME: Configuration attribute instead of hard coded 1000 tlabs => relevance 50 92 double relevance = RulesToolkit.mapExp100Y(mostSignificant.getValue(), 1000, 50); 93 double score = balance * relevance * 0.74; // ceiling at 74; 94 95 IItemFilter significantFilter = ItemFilters.and(JdkFilters.ALLOC_ALL, 96 ItemFilters.equals(JfrAttributes.EVENT_THREAD, mostSignificant.getKey())); 97 StacktraceModel stacktraceModel = new StacktraceModel(false, 98 new FrameSeparator(FrameCategorization.METHOD, false), items.apply(significantFilter)); 99 Fork rootFork = stacktraceModel.getRootFork(); 100 String relevantTraceHtmlList = rootFork.getBranchCount() == 0 101 ? Messages.getString(Messages.General_NO_STACK_TRACE_AVAILABLE) 102 : StacktraceDataProvider.getRelevantTraceHtmlList(rootFork.getBranch(0), rootFork.getItemsInFork()); 103 String message = MessageFormat.format(Messages.getString(Messages.AllocationByThreadRule_TEXT_MESSAGE), 104 Encode.forHtml(mostSignificant.getKey().getThreadName()), relevantTraceHtmlList); | 56 import org.openjdk.jmc.flightrecorder.rules.jdk.dataproviders.StacktraceDataProvider; 57 import org.openjdk.jmc.flightrecorder.rules.jdk.messages.internal.Messages; 58 import org.openjdk.jmc.flightrecorder.rules.util.JfrRuleTopics; 59 import org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit; 60 import org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit.EventAvailability; 61 import org.openjdk.jmc.flightrecorder.stacktrace.FrameSeparator; 62 import org.openjdk.jmc.flightrecorder.stacktrace.FrameSeparator.FrameCategorization; 63 import org.openjdk.jmc.flightrecorder.stacktrace.StacktraceModel; 64 import org.openjdk.jmc.flightrecorder.stacktrace.StacktraceModel.Fork; 65 import org.owasp.encoder.Encode; 66 67 public class AllocationByThreadRule implements IRule { 68 private static final String THREAD_RESULT_ID = "Allocations.thread"; //$NON-NLS-1$ 69 70 private Result getResult(IItemCollection items, IPreferenceValueProvider valueProvider) { 71 EventAvailability eventAvailabilityInside = RulesToolkit.getEventAvailability(items, 72 JdkTypeIDs.ALLOC_INSIDE_TLAB); 73 EventAvailability eventAvailabilityOutside = RulesToolkit.getEventAvailability(items, 74 JdkTypeIDs.ALLOC_OUTSIDE_TLAB); 75 if (!RulesToolkit.isEventsEnabled(eventAvailabilityInside, eventAvailabilityOutside)) { 76 return RulesToolkit.getEventAvailabilityResult(this, items, 77 RulesToolkit.getLeastAvailable(eventAvailabilityInside, eventAvailabilityOutside), 78 JdkTypeIDs.ALLOC_INSIDE_TLAB, JdkTypeIDs.ALLOC_OUTSIDE_TLAB); 79 } 80 if (!(eventAvailabilityInside == EventAvailability.AVAILABLE 81 || eventAvailabilityOutside == EventAvailability.AVAILABLE)) { 82 return RulesToolkit.getNotApplicableResult(this, 83 MessageFormat.format(Messages.getString(Messages.General_RULE_REQUIRES_EVENTS_FROM_ONE_OF_MANY), 84 JdkTypeIDs.ALLOC_INSIDE_TLAB + ", " + JdkTypeIDs.ALLOC_OUTSIDE_TLAB)); 85 } 86 87 List<IntEntry<IMCThread>> entries = RulesToolkit.calculateGroupingScore(items.apply(JdkFilters.ALLOC_ALL), 88 JfrAttributes.EVENT_THREAD); 89 double balance = RulesToolkit.calculateBalanceScore(entries); 90 IntEntry<IMCThread> mostSignificant = entries.get(entries.size() - 1); 91 // FIXME: Configuration attribute instead of hard coded 1000 tlabs => relevance 50 92 double relevance = RulesToolkit.mapExp100Y(mostSignificant.getValue(), 1000, 50); 93 double score = balance * relevance * 0.74; // ceiling at 74; 94 95 IItemFilter significantFilter = ItemFilters.and(JdkFilters.ALLOC_ALL, 96 ItemFilters.equals(JfrAttributes.EVENT_THREAD, mostSignificant.getKey())); 97 StacktraceModel stacktraceModel = new StacktraceModel(false, 98 new FrameSeparator(FrameCategorization.METHOD, false), items.apply(significantFilter)); 99 Fork rootFork = stacktraceModel.getRootFork(); 100 String relevantTraceHtmlList = rootFork.getBranchCount() == 0 101 ? Messages.getString(Messages.General_NO_STACK_TRACE_AVAILABLE) 102 : StacktraceDataProvider.getRelevantTraceHtmlList(rootFork.getBranch(0), rootFork.getItemsInFork()); 103 String message = MessageFormat.format(Messages.getString(Messages.AllocationByThreadRule_TEXT_MESSAGE), 104 Encode.forHtml(mostSignificant.getKey().getThreadName()), relevantTraceHtmlList); |