support "Total time for which application threads were stopped" in DataReaderUnifiedJvmLogging

src/main/java/com/tagtraum/perf/gcviewer/imp/DataReaderFactory.java

@@ -152,8 +152,9 @@ else if (s.contains("<AF")) {
             if (getLogger().isLoggable(Level.INFO)) getLogger().info("File format: IBM <1.3.0");
             return new DataReaderIBM1_3_0(gcResource, in);
         }
-        // ...][info][gc       ] Using Shenandoah <or any other gc algorithm in unified jvm logging format>
-        else if (s.contains("][gc")) {
+        // ...][info][gc        ]
+        // or ...][info][safepoint ] Using java unified jvm logging format
+        else if (s.contains("][gc") || s.contains("][safepoint")) {
             if (getLogger().isLoggable(Level.INFO)) getLogger().info("File format: Oracle / OpenJDK unified jvm logging");
             return new DataReaderUnifiedJvmLogging(gcResource, in);
         }

src/main/java/com/tagtraum/perf/gcviewer/imp/DataReaderUnifiedJvmLogging.java

@@ -14,13 +14,15 @@
 
 import com.tagtraum.perf.gcviewer.model.AbstractGCEvent;
 import com.tagtraum.perf.gcviewer.model.AbstractGCEvent.Concurrency;
+import com.tagtraum.perf.gcviewer.model.AbstractGCEvent.ExtendedType;
 import com.tagtraum.perf.gcviewer.model.AbstractGCEvent.GcPattern;
 import com.tagtraum.perf.gcviewer.model.AbstractGCEvent.Type;
 import com.tagtraum.perf.gcviewer.model.ConcurrentGCEvent;
 import com.tagtraum.perf.gcviewer.model.GCEvent;
 import com.tagtraum.perf.gcviewer.model.GCEventUJL;
 import com.tagtraum.perf.gcviewer.model.GCModel;
 import com.tagtraum.perf.gcviewer.model.GCResource;
+import com.tagtraum.perf.gcviewer.model.VmOperationEvent;
 import com.tagtraum.perf.gcviewer.util.DateHelper;
 import com.tagtraum.perf.gcviewer.util.NumberParser;
 
@@ -157,9 +159,10 @@ public class DataReaderUnifiedJvmLogging extends AbstractDataReader {
     private static final String TAG_GC_HEAP = "gc,heap";
     private static final String TAG_GC_METASPACE = "gc,metaspace";
     private static final String TAG_GC_PHASES = "gc,phases";
+    private static final String TAG_SAFEPOINT = "safepoint";
 
     /** list of strings, that must be part of the gc log line to be considered for parsing */
-    private static final List<String> INCLUDE_STRINGS = Arrays.asList("[gc ", "[gc]", "[" + TAG_GC_START, "[" + TAG_GC_HEAP, "[" + TAG_GC_METASPACE, "[" + TAG_GC_PHASES);
+    private static final List<String> INCLUDE_STRINGS = Arrays.asList("[gc ", "[gc]", "[" + TAG_GC_START, "[" + TAG_GC_HEAP, "[" + TAG_GC_METASPACE, "[" + TAG_GC_PHASES, Type.APPLICATION_STOPPED_TIME.getName());
     /** list of strings, that target gc log lines, that - although part of INCLUDE_STRINGS - are not considered a gc event */
     private static final List<String> EXCLUDE_STRINGS = Arrays.asList("Cancelling concurrent GC",
             "[debug",
@@ -228,6 +231,9 @@ private ParseContext parseEvent(ParseContext context) {
     private AbstractGCEvent<?> handleTail(ParseContext context, AbstractGCEvent<?> event, String tags, String tail) {
         AbstractGCEvent<?> returnEvent = event;
         switch (tags) {
+            case TAG_SAFEPOINT:
+                returnEvent = handleTagSafepoint(context, event, tail);
+                break;
             case TAG_GC_START:
                 returnEvent = handleTagGcStartTail(context, event);
                 break;
@@ -254,6 +260,11 @@ private AbstractGCEvent<?> handleTail(ParseContext context, AbstractGCEvent<?> e
         return returnEvent;
     }
 
+    private AbstractGCEvent<?> handleTagSafepoint(ParseContext context, AbstractGCEvent<?> event, String tail) {
+        event.setPause(NumberParser.parseDouble(tail.split(" ")[0]));
+        return event;
+    }
+
     private AbstractGCEvent<?> handleTagGcStartTail(ParseContext context, AbstractGCEvent<?> event) {
         // here, the gc type is known, and the partial events will need to be added later
         context.getPartialEventsMap().put(event.getNumber() + "", event);
@@ -459,7 +470,7 @@ private AbstractGCEvent<?> createGcEventWithStandardDecorators(Matcher decorator
         if (decoratorsMatcher.find()) {
             AbstractGCEvent.ExtendedType type = getDataReaderTools().parseType(decoratorsMatcher.group(GROUP_DECORATORS_GC_TYPE));
 
-            AbstractGCEvent<?> event = type.getConcurrency().equals(Concurrency.CONCURRENT) ? new ConcurrentGCEvent() : new GCEventUJL();
+            AbstractGCEvent<?> event = createGcEvent(type);
             event.setExtendedType(type);
             if (decoratorsMatcher.group(GROUP_DECORATORS_GC_NUMBER) != null) {
                 event.setNumber(Integer.parseInt(decoratorsMatcher.group(GROUP_DECORATORS_GC_NUMBER)));
@@ -473,6 +484,18 @@ private AbstractGCEvent<?> createGcEventWithStandardDecorators(Matcher decorator
         }
     }
 
+    private AbstractGCEvent<?> createGcEvent(ExtendedType type) {
+        AbstractGCEvent<?> event;
+        if (type.getConcurrency().equals(Concurrency.CONCURRENT)) {
+            event = new ConcurrentGCEvent();
+        } else if (type.getType().equals(Type.APPLICATION_STOPPED_TIME)) {
+            event = new VmOperationEvent();
+        } else {
+            event = new GCEventUJL();
+        }
+        return event;
+    }
+
     private void setPause(AbstractGCEvent event, String pauseAsString) {
         // TODO remove code duplication with AbstractDataReaderSun -> move to DataReaderTools
         if (pauseAsString != null && pauseAsString.length() > 0) {

src/main/java/com/tagtraum/perf/gcviewer/model/AbstractGCEvent.java

@@ -667,7 +667,7 @@ public String toString() {
         public static final Type UJL_G1_EDEN = new Type("Eden regions", Generation.YOUNG, Concurrency.SERIAL, GcPattern.GC_REGION);
         public static final Type UJL_G1_SURVIVOR = new Type("Survivor regions", Generation.YOUNG, Concurrency.SERIAL, GcPattern.GC_REGION);
         public static final Type UJL_G1_OLD = new Type("Old regions", Generation.TENURED, Concurrency.SERIAL, GcPattern.GC_REGION);
-        public static final Type UJL_G1_HUMongous = new Type("Humongous regions", Generation.TENURED, Concurrency.SERIAL, GcPattern.GC_REGION);
+        public static final Type UJL_G1_HUMONGOUS = new Type("Humongous regions", Generation.TENURED, Concurrency.SERIAL, GcPattern.GC_REGION);
         public static final Type UJL_G1_ARCHIVE = new Type("Archive regions", Generation.TENURED, Concurrency.SERIAL, GcPattern.GC_REGION);
 
         public static final Type UJL_G1_PHASE_PRE_EVACUATE_COLLECTION_SET = new Type("Pre Evacuate Collection Set", Generation.YOUNG, Concurrency.SERIAL, GcPattern.GC_PAUSE);

src/test/java/com/tagtraum/perf/gcviewer/imp/TestDataReaderFactory.java

@@ -373,4 +373,12 @@ public void testOracleShenandoahJ8Simple() throws Exception {
         assertDataReader(DataReaderSun1_6_0.class, dr.getClass());
     }
 
+    @Test
+    public void testOpenJdkJulRollover() throws IOException {
+        DataReaderFactory factory = new DataReaderFactory();
+        DataReader dr = factory.getDataReader(new GcResourceFile("byteArray"), new ByteArrayInputStream((
+                "[2019-09-17T20:20:29.824+0000][19.163s][info ][safepoint                   ] Total time for which application threads were stopped: 0.0047914 seconds, Stopping threads took: 0.0000103 seconds\n\n").getBytes()));
+        assertDataReader(DataReaderUnifiedJvmLogging.class, dr.getClass());
+    }
+
 }

src/test/java/com/tagtraum/perf/gcviewer/imp/TestDataReaderUJLCMS.java

@@ -91,12 +91,13 @@ public void parseGcDefaults() throws Exception {
     @Test
     public void parseGcAllSafepointOsCpu() throws Exception {
         GCModel model = getGCModelFromLogFile("sample-ujl-cms-gc-all,safepoint,os+cpu.txt");
-        assertThat("size", model.size(), is(26));
+        assertThat("size", model.size(), is(37));
         assertThat("amount of STW GC pause types", model.getGcEventPauses().size(), is(3));
+        assertThat("amount of VM operation pause types", model.getVmOperationPause().getN(), is(11));
         assertThat("amount of STW Full GC pause types", model.getFullGcEventPauses().size(), is(1));
         assertThat("amount of concurrent pause types", model.getConcurrentEventPauses().size(), is(4));
 
-        AbstractGCEvent<?> event1 = model.get(0);
+        AbstractGCEvent<?> event1 = model.get(1);
         UnittestHelper.testMemoryPauseEvent(event1,
                 "young",
                 Type.UJL_PAUSE_YOUNG,
@@ -106,7 +107,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
                 false);
 
         // GC(3) Pause Initial Mark
-        AbstractGCEvent<?> event2 = model.get(3);
+        AbstractGCEvent<?> event2 = model.get(7);
         UnittestHelper.testMemoryPauseEvent(event2,
                 "initial mark",
                 Type.UJL_PAUSE_INITIAL_MARK,
@@ -117,7 +118,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
         assertThat("isInitialMark", event2.isInitialMark(), is(true));
 
         // GC(3) Pause Remark
-        AbstractGCEvent<?> remarkEvent = model.get(10);
+        AbstractGCEvent<?> remarkEvent = model.get(15);
         UnittestHelper.testMemoryPauseEvent(remarkEvent,
                 "remark",
                 Type.UJL_PAUSE_REMARK,
@@ -128,7 +129,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
         assertThat("isRemark", remarkEvent.isRemark(), is(true));
 
         // GC(5) Pause Full
-        AbstractGCEvent<?> fullGcEvent = model.get(13);
+        AbstractGCEvent<?> fullGcEvent = model.get(19);
         UnittestHelper.testMemoryPauseEvent(fullGcEvent,
                 "full gc ",
                 Type.UJL_PAUSE_FULL,
@@ -137,10 +138,10 @@ public void parseGcAllSafepointOsCpu() throws Exception {
                 Generation.ALL,
                 true);
 
-        AbstractGCEvent<?> concurrentMarkBeginEvent = model.get(4);
+        AbstractGCEvent<?> concurrentMarkBeginEvent = model.get(9);
         assertThat("event is not start of concurrent collection", concurrentMarkBeginEvent.isConcurrentCollectionStart(), is(false));
 
-        AbstractGCEvent<?> concurrentMarkWithPauseEvent = model.get(5);
+        AbstractGCEvent<?> concurrentMarkWithPauseEvent = model.get(10);
         assertThat("event is start of concurrent collection", concurrentMarkWithPauseEvent.isConcurrentCollectionStart(), is(true));
     }
 

src/test/java/com/tagtraum/perf/gcviewer/imp/TestDataReaderUJLG1.java

@@ -108,14 +108,15 @@ public void parseGcDefaults() throws Exception {
     @Test
     public void parseGcAllSafepointOsCpu() throws Exception {
         GCModel model = getGCModelFromLogFile("sample-ujl-g1-gc-all,safepoint,os+cpu.txt");
-        assertThat("size", model.size(), is(15));
+        assertThat("size", model.size(), is(29));
         assertThat("amount of STW GC pause types", model.getGcEventPauses().size(), is(4));
         assertThat("amount of STW GC pauses", model.getGCPause().getN(), is(13));
+        assertThat("amount of VM operation pauses", model.getVmOperationPause().getN(), is(14));
         assertThat("amount of STW Full GC pause types", model.getFullGcEventPauses().size(), is(0));
         assertThat("amount of STW Full GC pauses", model.getFullGCPause().getN(), is(0));
         assertThat("amount of concurrent pause types", model.getConcurrentEventPauses().size(), is(1));
 
-        AbstractGCEvent<?> event1 = model.get(0);
+        AbstractGCEvent<?> event1 = model.get(1);
         UnittestHelper.testMemoryPauseEvent(event1,
                 "young",
                 Type.UJL_PAUSE_YOUNG,
@@ -125,8 +126,8 @@ public void parseGcAllSafepointOsCpu() throws Exception {
                 false);
         assertThat("young heap before", event1.details().next().getPreUsed(), is(1024 * 14));
 
-        // GC(3) Pause Initial Mark
-        AbstractGCEvent<?> event2 = model.get(5);
+        // GC(6) Pause Initial Mark
+        AbstractGCEvent<?> event2 = model.get(11);
         UnittestHelper.testMemoryPauseEvent(event2,
                 "initial mark",
                 Type.UJL_PAUSE_INITIAL_MARK,
@@ -136,8 +137,8 @@ public void parseGcAllSafepointOsCpu() throws Exception {
                 false);
         assertThat("isInitialMark", event2.isInitialMark(), is(true));
 
-        // GC(3) Pause Remark
-        AbstractGCEvent<?> remarkEvent = model.get(10);
+        // GC(6) Pause Remark
+        AbstractGCEvent<?> remarkEvent = model.get(20);
         UnittestHelper.testMemoryPauseEvent(remarkEvent,
                 "remark",
                 Type.UJL_PAUSE_REMARK,
@@ -147,7 +148,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
                 false);
         assertThat("isRemark", remarkEvent.isRemark(), is(true));
 
-        AbstractGCEvent<?> cleanupEvent = model.get(13);
+        AbstractGCEvent<?> cleanupEvent = model.get(26);
         UnittestHelper.testMemoryPauseEvent(cleanupEvent,
                 "cleanup",
                 Type.UJL_G1_PAUSE_CLEANUP,
@@ -156,12 +157,14 @@ public void parseGcAllSafepointOsCpu() throws Exception {
                 Generation.TENURED,
                 false);
 
-        AbstractGCEvent<?> concurrentCycleBeginEvent = model.get(6);
+        AbstractGCEvent<?> concurrentCycleBeginEvent = model.get(13);
+        assertThat("concurrent cycle", concurrentCycleBeginEvent.getTypeAsString(), is(Type.UJL_G1_CONCURRENT_CYCLE.getName()));
         assertThat("event is start of concurrent collection",
                 concurrentCycleBeginEvent.isConcurrentCollectionStart(),
                 is(true));
 
-        AbstractGCEvent<?> concurrentCycleEndEvent = model.get(14);
+        AbstractGCEvent<?> concurrentCycleEndEvent = model.get(28);
+        assertThat("concurrent cycle", concurrentCycleEndEvent.getTypeAsString(), is(Type.UJL_G1_CONCURRENT_CYCLE.getName()));
         assertThat("event is end of concurrent collection",
                 concurrentCycleEndEvent.isConcurrentCollectionEnd(),
                 is(true));
@@ -170,7 +173,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
     @Test
     public void parseGcAllSafepointOsCpuWithToSpaceExhausted() throws Exception {
         GCModel model = getGCModelFromLogFile("sample-ujl-g1-gc-all,safepoint,os+cpu-to-space-exhausted.txt");
-        assertThat("size", model.size(), is(1));
+        assertThat("size", model.size(), is(2));
         AbstractGCEvent<?> youngEvent = model.get(0);
         UnittestHelper.testMemoryPauseEvent(youngEvent,
                 "young",

src/test/java/com/tagtraum/perf/gcviewer/imp/TestDataReaderUJLG1JDK11.java

@@ -146,7 +146,7 @@ public void testFullGcWithPhases() throws Exception {
         GCModel model = reader.read();
 
         assertThat("number of warnings", handler.getCount(), is(0));
-        assertThat("number of events", model.size(), is(1));
+        assertThat("number of events", model.size(), is(2));
         assertThat("total heap", model.get(0).getTotal(), is(128 * 1024));
     }
 
@@ -180,4 +180,23 @@ public void testPauseYoungConcurrentStartMetadataGcThreshold() throws Exception
         assertThat("event type", model.get(0).getExtendedType().getType(), is(Type.UJL_PAUSE_YOUNG));
         assertThat("total heap", model.get(0).getTotal(), is(256 * 1024));
     }
+
+    @Test
+    public void testTotalTimeForWhichApplicationThreadsWereStopped() throws IOException {
+        TestLogHandler handler = new TestLogHandler();
+        handler.setLevel(Level.WARNING);
+        GCResource gcResource = new GcResourceFile("byteArray");
+        gcResource.getLogger().addHandler(handler);
+        InputStream in = new ByteArrayInputStream(
+                ("[2019-09-17T20:20:29.824+0000][19.163s][info ][safepoint                   ] Total time for which application threads were stopped: 0.0047914 seconds, Stopping threads took: 0.0000103 seconds\n\n")
+                        .getBytes());
+
+        DataReader reader = new DataReaderUnifiedJvmLogging(gcResource, in);
+        GCModel model = reader.read();
+
+        assertThat("number of warnings", handler.getCount(), is(0));
+        assertThat("number of events", model.size(), is(1));
+        assertThat("event type", model.get(0).getExtendedType().getType(), is(Type.APPLICATION_STOPPED_TIME));
+        assertThat("total heap", model.get(0).getPause(), closeTo(0.0047914, 0.0000001));
+    }
 }

src/test/java/com/tagtraum/perf/gcviewer/imp/TestDataReaderUJLParallel.java

@@ -59,7 +59,7 @@ public void parseGcDefaults() throws Exception {
     @Test
     public void parseGcAllSafepointOsCpu() throws Exception {
         GCModel model = getGCModelFromLogFile("sample-ujl-parallel-gc-all,safepoint,os+cpu.txt");
-        assertThat("size", model.size(), is(8));
+        assertThat("size", model.size(), is(14));
         assertThat("amount of STW GC pause types", model.getGcEventPauses().size(), is(1));
         assertThat("amount of gc events", model.getGCPause().getN(), is(4));
         assertThat("amount of STW Full GC pause types", model.getFullGcEventPauses().size(), is(1));
@@ -68,7 +68,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
         assertThat("amount of events for phase 1 types", model.getGcEventPhases().get(Type.UJL_PARALLEL_PHASE_MARKING.getName()).getN(), is(4));
         assertThat("amount of concurrent pause types", model.getConcurrentEventPauses().size(), is(0));
 
-        AbstractGCEvent<?> event1 = model.get(0);
+        AbstractGCEvent<?> event1 = model.get(1);
         UnittestHelper.testMemoryPauseEvent(event1,
                 "pause young",
             Type.UJL_PAUSE_YOUNG,
@@ -78,7 +78,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
             false);
 
         // GC(6) Pause Full (Ergonomics)
-        AbstractGCEvent<?> event2 = model.get(6);
+        AbstractGCEvent<?> event2 = model.get(11);
         UnittestHelper.testMemoryPauseEvent(event2,
                 "pause full",
                 Type.UJL_PAUSE_FULL,
@@ -88,7 +88,7 @@ public void parseGcAllSafepointOsCpu() throws Exception {
                 true);
 
         // GC(7) Pause Young (Allocation Failure)
-        AbstractGCEvent<?> event3 = model.get(7);
+        AbstractGCEvent<?> event3 = model.get(13);
         UnittestHelper.testMemoryPauseEvent(event3,
                 "pause young 2",
                 Type.UJL_PAUSE_YOUNG,