fix: gc event promotion when there is humongous

leveretconey · leveretconey · commit ce5a9a34e9ba · 2024-07-22T17:30:50.000+08:00
diff --git a/analysis/gc-log/src/main/java/org/eclipse/jifa/gclog/model/GCModel.java b/analysis/gc-log/src/main/java/org/eclipse/jifa/gclog/model/GCModel.java
@@ -659,7 +659,7 @@ private void calculateEventsMemoryInfo() {
                 if (youngReduction != Constant.UNKNOWN_INT && totalReduction != Constant.UNKNOWN_INT) {
                     long promotion = youngReduction - totalReduction;
                     if (humongous != null && humongous.getMemoryReduction() != Constant.UNKNOWN_INT) {
-                        promotion -= humongous.getMemoryReduction();
+                        promotion += humongous.getMemoryReduction();
                     }
                     event.setPromotion(zeroIfNegative(promotion));
                 }

Original file line number	Diff line number	Diff line change
`@@ -659,7 +659,7 @@ private void calculateEventsMemoryInfo() {`
`659`	`659`	`if (youngReduction != Constant.UNKNOWN_INT && totalReduction != Constant.UNKNOWN_INT) {`
`660`	`660`	`long promotion = youngReduction - totalReduction;`
`661`	`661`	`if (humongous != null && humongous.getMemoryReduction() != Constant.UNKNOWN_INT) {`
`662`		`- promotion -= humongous.getMemoryReduction();`
	`662`	`+ promotion += humongous.getMemoryReduction();`
`663`	`663`	`}`
`664`	`664`	`event.setPromotion(zeroIfNegative(promotion));`
`665`	`665`	`}`