34  *    sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run driver TestConcurrentPhaseControlG1
  36  */
  37 
  38 import gc.concurrent_phase_control.CheckControl;
  39 
  40 public class TestConcurrentPhaseControlG1 {
  41 
  42     // Pairs of phase name and regex to match log stringm for stepping through,
  43     private static final String[][] g1PhaseInfo = {
  44         // Step through the phases in order.
  45         {"IDLE", null},
  46         {"CONCURRENT_CYCLE", "Concurrent Cycle"},
  47         {"IDLE", null},  // Resume IDLE before testing subphases
  48         {"CLEAR_CLAIMED_MARKS", "Concurrent Clear Claimed Marks"},
  49         {"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"},
  50         // ^F so not "From Roots", ^R so not "Restart"
  51         {"CONCURRENT_MARK", "Concurrent Mark [^FR]"},
  52         {"IDLE", null},  // Resume IDLE before testing subphases
  53         {"MARK_FROM_ROOTS", "Concurrent Mark From Roots"},

  54         {"BEFORE_REMARK", null},
  55         {"REMARK", "Pause Remark"},
  56         {"REBUILD_REMEMBERED_SETS", "Concurrent Rebuild Remembered Sets"},
  57         // Clear request
  58         {"IDLE", null},
  59         {"ANY", null},
  60         // Request a phase.
  61         {"MARK_FROM_ROOTS", "Concurrent Mark From Roots"},
  62         // Request an earlier phase, to ensure loop rather than stuck at idle.
  63         {"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"},
  64         // Clear request, to unblock service.
  65         {"IDLE", null},
  66         {"ANY", null},
  67     };
  68 
  69     private static final String[] g1Options =
  70         new String[]{"-XX:+UseG1GC",  "-Xlog:gc,gc+marking"};
  71 
  72     private static final String g1Name = "G1";
  73 

  34  *    sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run driver TestConcurrentPhaseControlG1
  36  */
  37 
  38 import gc.concurrent_phase_control.CheckControl;
  39 
  40 public class TestConcurrentPhaseControlG1 {
  41 
  42     // Pairs of phase name and regex to match log stringm for stepping through,
  43     private static final String[][] g1PhaseInfo = {
  44         // Step through the phases in order.
  45         {"IDLE", null},
  46         {"CONCURRENT_CYCLE", "Concurrent Cycle"},
  47         {"IDLE", null},  // Resume IDLE before testing subphases
  48         {"CLEAR_CLAIMED_MARKS", "Concurrent Clear Claimed Marks"},
  49         {"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"},
  50         // ^F so not "From Roots", ^R so not "Restart"
  51         {"CONCURRENT_MARK", "Concurrent Mark [^FR]"},
  52         {"IDLE", null},  // Resume IDLE before testing subphases
  53         {"MARK_FROM_ROOTS", "Concurrent Mark From Roots"},
  54         {"PRECLEAN", "Concurrent Preclean"},
  55         {"BEFORE_REMARK", null},
  56         {"REMARK", "Pause Remark"},
  57         {"REBUILD_REMEMBERED_SETS", "Concurrent Rebuild Remembered Sets"},
  58         // Clear request
  59         {"IDLE", null},
  60         {"ANY", null},
  61         // Request a phase.
  62         {"MARK_FROM_ROOTS", "Concurrent Mark From Roots"},
  63         // Request an earlier phase, to ensure loop rather than stuck at idle.
  64         {"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"},
  65         // Clear request, to unblock service.
  66         {"IDLE", null},
  67         {"ANY", null},
  68     };
  69 
  70     private static final String[] g1Options =
  71         new String[]{"-XX:+UseG1GC",  "-Xlog:gc,gc+marking"};
  72 
  73     private static final String g1Name = "G1";
  74