8226797: serviceability/tmtools/jstat/GcCapacityTest.java fails with …

…Exception: java.lang.RuntimeException: OGCMN > OGCMX (min generation capacity > max generation capacity) Reviewed-by: sjohanss, tschatzl
hunjipo · Dec 12, 2019 · e6876a9 · e6876a9
1 parent 40bbdf4
commit e6876a9
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diff --git a/src/hotspot/share/gc/shared/generationSpec.hpp b/src/hotspot/share/gc/shared/generationSpec.hpp
@@ -44,6 +44,7 @@ class GenerationSpec : public CHeapObj<mtGC> {
   GenerationSpec(Generation::Name name, size_t init_size, size_t max_size, size_t alignment) :
     _name(name),
     _init_size(align_up(init_size, alignment)),
+    _min_size(_init_size),
     _max_size(align_up(max_size, alignment))
   { }
 

diff --git a/test/hotspot/jtreg/serviceability/tmtools/jstat/utils/JstatGcCapacityResults.java b/test/hotspot/jtreg/serviceability/tmtools/jstat/utils/JstatGcCapacityResults.java
@@ -70,6 +70,7 @@ public void assertConsistency() {
 
         // Check Young Gen consistency
         float NGCMN = getFloatValue("NGCMN");
+        assertThat(NGCMN >= 0, "NGCMN < 0 (min generation capacity is negative)");
         float NGCMX = getFloatValue("NGCMX");
         assertThat(NGCMX >= NGCMN, "NGCMN > NGCMX (min generation capacity > max generation capacity)");
 
@@ -102,6 +103,7 @@ public void assertConsistency() {
 
         // Check Old Gen consistency
         float OGCMN = getFloatValue("OGCMN");
+        assertThat(OGCMN >= 0, "OGCMN < 0 (min generation capacity is negative)");
         float OGCMX = getFloatValue("OGCMX");
         assertThat(OGCMX >= OGCMN, "OGCMN > OGCMX (min generation capacity > max generation capacity)");