test/serviceability/tmtools/jstat/utils/JstatGcCauseResults.java

*** 23,34 ****
  
  /*
   * Results of running the JstatGcTool ("jstat -gccause <pid>")
   *
   * Output example:
!  * S0     S1     E      O      M     CCS    YGC     YGCT    FGC    FGCT     GCT    LGCC                 GCC
!  * 0.00   6.25  46.19   0.34  57.98  54.63  15305 1270.551     0    0.000 1270.551 Allocation Failure   No GC
  
   * Output description:
   * S0         Survivor space 0 utilization as a percentage of the space's current capacity.
   * S1         Survivor space 1 utilization as a percentage of the space's current capacity.
   * E           Eden space utilization as a percentage of the space's current capacity.
--- 23,34 ----
  
  /*
   * Results of running the JstatGcTool ("jstat -gccause <pid>")
   *
   * Output example:
!  * S0     S1     E      O      M     CCS    YGC     YGCT    FGC    FGCT    CGC    CGCT     GCT    LGCC                 GCC
!  * 0.00   6.25  46.19   0.34  57.98  54.63  15305 1270.551     0    0.000     0    0.000 1270.551 Allocation Failure   No GC
  
   * Output description:
   * S0         Survivor space 0 utilization as a percentage of the space's current capacity.
   * S1         Survivor space 1 utilization as a percentage of the space's current capacity.
   * E           Eden space utilization as a percentage of the space's current capacity.
*** 37,46 ****
--- 37,48 ----
   * CCS     Compressed Class Space
   * YGC     Number of young generation GC events.
   * YGCT    Young generation garbage collection time.
   * FGC      Number of full GC events.
   * FGCT    Full garbage collection time.
+  * CGC      Number of STW events during Concurrent GC's.
+  * CGCT    STW time during Concurrent GC's.
   * GCT      Total garbage collection time.
   * LGCC    Cause of last Garbage Collection.
   * GCC      Cause of current Garbage Collection.
   */
  package utils;
*** 71,89 ****
          assertThat(GCT >= 0, "Incorrect time value for GCT");
          assertThat(GCT >= YGCT, "GCT < YGCT (total garbage collection time < young generation garbage collection time)");
  
          int FGC = getIntValue("FGC");
          float FGCT = getFloatValue("FGCT");
-         assertThat(FGCT >= 0, "Incorrect time value for FGCT");
          if (FGC > 0) {
              assertThat(FGCT > 0, "Number of full GC events is " + FGC + ", but FGCT is 0");
          }
  
!         assertThat(GCT >= FGCT, "GCT < YGCT (total garbage collection time < full generation garbage collection time)");
  
!         assertThat(checkFloatIsSum(GCT, YGCT, FGCT), "GCT != (YGCT + FGCT) " + "(GCT = " + GCT + ", YGCT = " + YGCT
!                 + ", FGCT = " + FGCT + ", (YCGT + FGCT) = " + (YGCT + FGCT) + ")");
      }
  
      private static final float FLOAT_COMPARISON_TOLERANCE = 0.0011f;
  
      private static boolean checkFloatIsSum(float sum, float... floats) {
--- 73,96 ----
          assertThat(GCT >= 0, "Incorrect time value for GCT");
          assertThat(GCT >= YGCT, "GCT < YGCT (total garbage collection time < young generation garbage collection time)");
  
          int FGC = getIntValue("FGC");
          float FGCT = getFloatValue("FGCT");
          if (FGC > 0) {
              assertThat(FGCT > 0, "Number of full GC events is " + FGC + ", but FGCT is 0");
          }
  
!         int CGC = getIntValue("CGC");
!         float CGCT = getFloatValue("CGCT");
!         if (CGC > 0) {
!             assertThat(CGCT > 0, "Number of concurrent GC events is " + CGC + ", but CGCT is 0");
!         }
! 
!         assertThat(GCT >= (FGCT + CGCT), "GCT < YGCT (total garbage collection time < full generation garbage collection time)");
  
!         assertThat(checkFloatIsSum(GCT, YGCT, FGCT, CGCT), "GCT != (YGCT + FGCT + CGCT) " + "(GCT = " + GCT + ", YGCT = " + YGCT
!                 + ", FGCT = " + FGCT + ", CGCT = " + CGCT + ", (YCGT + FGCT + CGCT) = " + (YGCT + FGCT + CGCT) + ")");
      }
  
      private static final float FLOAT_COMPARISON_TOLERANCE = 0.0011f;
  
      private static boolean checkFloatIsSum(float sum, float... floats) {