15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_G1_G1INITIALMARKTOMIXEDTIMETRACKER_HPP
  26 #define SHARE_VM_GC_G1_G1INITIALMARKTOMIXEDTIMETRACKER_HPP
  27 
  28 #include "utilities/globalDefinitions.hpp"
  29 #include "utilities/debug.hpp"
  30 
  31 // Used to track time from the end of initial mark to the first mixed GC.
  32 // After calling the initial mark/mixed gc notifications, the result can be
  33 // obtained in last_marking_time() once, after which the tracking resets.
  34 // Any pauses recorded by add_pause() will be subtracted from that results.
  35 class G1InitialMarkToMixedTimeTracker VALUE_OBJ_CLASS_SPEC {
  36 private:
  37   bool _active;
  38   double _initial_mark_end_time;
  39   double _mixed_start_time;
  40   double _total_pause_time;
  41 
  42   double wall_time() const {
  43     return _mixed_start_time - _initial_mark_end_time;
  44   }
  45 public:
  46   G1InitialMarkToMixedTimeTracker() { reset(); }
  47 
  48   // Record initial mark pause end, starting the time tracking.
  49   void record_initial_mark_end(double end_time) {
  50     assert(!_active, "Initial mark out of order.");
  51     _initial_mark_end_time = end_time;
  52     _active = true;
  53   }
  54 
  55   // Record the first mixed gc pause start, ending the time tracking.

  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_G1_G1INITIALMARKTOMIXEDTIMETRACKER_HPP
  26 #define SHARE_VM_GC_G1_G1INITIALMARKTOMIXEDTIMETRACKER_HPP
  27 
  28 #include "utilities/globalDefinitions.hpp"
  29 #include "utilities/debug.hpp"
  30 
  31 // Used to track time from the end of initial mark to the first mixed GC.
  32 // After calling the initial mark/mixed gc notifications, the result can be
  33 // obtained in last_marking_time() once, after which the tracking resets.
  34 // Any pauses recorded by add_pause() will be subtracted from that results.
  35 class G1InitialMarkToMixedTimeTracker {
  36 private:
  37   bool _active;
  38   double _initial_mark_end_time;
  39   double _mixed_start_time;
  40   double _total_pause_time;
  41 
  42   double wall_time() const {
  43     return _mixed_start_time - _initial_mark_end_time;
  44   }
  45 public:
  46   G1InitialMarkToMixedTimeTracker() { reset(); }
  47 
  48   // Record initial mark pause end, starting the time tracking.
  49   void record_initial_mark_end(double end_time) {
  50     assert(!_active, "Initial mark out of order.");
  51     _initial_mark_end_time = end_time;
  52     _active = true;
  53   }
  54 
  55   // Record the first mixed gc pause start, ending the time tracking.