Allocation stats

mwwojcik · Jan 20, 2022 · 79cb9ab · 79cb9ab
1 parent ffe4bc9
commit 79cb9ab
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Showing 4 changed files with 58 additions and 15 deletions.
diff --git a/...src/main/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/page/GCTableStats.java b/...src/main/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/page/GCTableStats.java
@@ -15,15 +15,6 @@
  */
 package pl.ks.profiling.safepoint.analyzer.commons.shared.gc.page;
 
-import static pl.ks.profiling.gui.commons.PageCreatorHelper.numToString;
-
-import java.math.BigDecimal;
-import java.math.RoundingMode;
-import java.text.DecimalFormat;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.stream.Collectors;
-import java.util.stream.IntStream;
 import pl.ks.profiling.gui.commons.Page;
 import pl.ks.profiling.gui.commons.PageContent;
 import pl.ks.profiling.gui.commons.Table;
@@ -33,6 +24,16 @@
 import pl.ks.profiling.safepoint.analyzer.commons.shared.gc.parser.GCStats;
 import pl.ks.profiling.safepoint.analyzer.commons.shared.report.JvmLogFile;
 
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+import static pl.ks.profiling.gui.commons.PageCreatorHelper.numToString;
+
 public class GCTableStats implements PageCreator {
     @Override
     public Page create(JvmLogFile jvmLogFile, DecimalFormat decimalFormat) {
@@ -51,6 +52,15 @@ public Page create(JvmLogFile jvmLogFile, DecimalFormat decimalFormat) {
                             .collect(Collectors.toList()))
                     .build());
         }
+        pageContents.add(Table.builder()
+                .header(List.of("Total allocation (MB)"))
+                .title("Allocation statistics")
+                .info("Table presents allocation statistics")
+                .screenWidth("25%")
+                .table(List.of(List.of(
+                        numToString(gcStats.getAllocationStats().getTotalAllocation(), decimalFormat)))
+                )
+                .build());
         if (gcStats.getGcAgingSummary().getAgingSizes().size() > 0) {
             pageContents.add(Table.builder()
                     .header(List.of("Age", "Per. 50", "Per. 75", "Per. 90", "Per. 95", "Per. 99", "Per. 99.9", "Per. 100", "Average"))

diff --git a/...n/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/parser/GCAllocationStats.java b/...n/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/parser/GCAllocationStats.java
@@ -0,0 +1,13 @@
+package pl.ks.profiling.safepoint.analyzer.commons.shared.gc.parser;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.math.BigDecimal;
+
+@Getter
+@Setter(AccessLevel.PACKAGE)
+public class GCAllocationStats {
+    private BigDecimal totalAllocation;
+}
diff --git a/...ns/src/main/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/parser/GCStats.java b/...ns/src/main/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/parser/GCStats.java
@@ -15,14 +15,15 @@
  */
 package pl.ks.profiling.safepoint.analyzer.commons.shared.gc.parser;
 
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.Setter;
 import pl.ks.profiling.safepoint.analyzer.commons.shared.OneFiledAllStats;
 
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
 @Getter
 @Setter(AccessLevel.PACKAGE)
 public class GCStats {
@@ -42,4 +43,5 @@ public class GCStats {
     private List<GCToSpaceStats> toSpaceStats;
     private List<Long> fullGcSequenceIds;
     private Map<String, Long> reasonCount;
+    private GCAllocationStats allocationStats;
 }
diff --git a/...main/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/parser/GCStatsCreator.java b/...main/java/pl/ks/profiling/safepoint/analyzer/commons/shared/gc/parser/GCStatsCreator.java
@@ -15,6 +15,10 @@
  */
 package pl.ks.profiling.safepoint.analyzer.commons.shared.gc.parser;
 
+import org.apache.commons.collections4.MapUtils;
+import pl.ks.profiling.safepoint.analyzer.commons.shared.OneFiledAllStats;
+import pl.ks.profiling.safepoint.analyzer.commons.shared.OneFiledAllStatsUtil;
+
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.util.ArrayList;
@@ -29,9 +33,6 @@
 import java.util.Set;
 import java.util.function.Function;
 import java.util.stream.Collectors;
-import org.apache.commons.collections4.MapUtils;
-import pl.ks.profiling.safepoint.analyzer.commons.shared.OneFiledAllStats;
-import pl.ks.profiling.safepoint.analyzer.commons.shared.OneFiledAllStatsUtil;
 
 public class GCStatsCreator {
     public static GCStats createStats(GCLogFile gcLogFile) {
@@ -75,9 +76,26 @@ public static GCStats createStats(GCLogFile gcLogFile) {
         generateHumongousStats(gcLogFile, gcStats);
         generateToSpaceStats(gcLogFile, gcStats);
         generateFullGcStats(gcLogFile, gcStats);
+        generateAllocationStats(gcLogFile, gcStats);
         return gcStats;
     }
 
+    private static void generateAllocationStats(GCLogFile gcLogFile, GCStats gcStats) {
+        GCLogCycleEntry prev = null;
+        GCLogCycleEntry current = null;
+        BigDecimal allocation = BigDecimal.ZERO;
+        for (GCLogCycleEntry cycle : gcLogFile.getCycleEntries()) {
+            prev = current;
+            current = cycle;
+            if (prev == null) {
+                continue;
+            }
+            allocation = allocation.add(new BigDecimal(current.getHeapBeforeGCMb())).subtract(new BigDecimal(prev.getHeapAfterGCMb()));
+        }
+        gcStats.setAllocationStats(new GCAllocationStats());
+        gcStats.getAllocationStats().setTotalAllocation(allocation);
+    }
+
     private static void generateCauseCounts(GCLogFile gcLogFile, GCStats gcStats) {
         Map<String, Long> map = gcLogFile.getCycleEntries().stream()
                 .map(GCLogCycleEntry::getCause)