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src/hotspot/share/gc/shenandoah/shenandoahWorkerPolicy.hpp

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14  *
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_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP
27 
28 #include "memory/allStatic.hpp"
29 
30 class ShenandoahWorkerPolicy : AllStatic {
31 private:
32   static uint _prev_par_marking;
33   static uint _prev_conc_marking;

34   static uint _prev_conc_root_proc;
35   static uint _prev_conc_refs_proc;
36   static uint _prev_conc_evac;
37   static uint _prev_fullgc;
38   static uint _prev_degengc;
39   static uint _prev_conc_update_ref;
40   static uint _prev_par_update_ref;
41   static uint _prev_conc_cleanup;
42   static uint _prev_conc_reset;
43 
44 public:
45   // Calculate the number of workers for initial marking
46   static uint calc_workers_for_init_marking();
47 
48   // Calculate the number of workers for concurrent marking
49   static uint calc_workers_for_conc_marking();
50 



51   // Calculate the number of workers for final marking
52   static uint calc_workers_for_final_marking();
53 
54   // Calculate workers for concurrent root processing
55   static uint calc_workers_for_conc_root_processing();
56 
57   // Calculate workers for concurrent refs processing
58   static uint calc_workers_for_conc_refs_processing();
59 
60   // Calculate workers for concurrent evacuation (concurrent GC)
61   static uint calc_workers_for_conc_evac();
62 
63   // Calculate workers for parallel full gc
64   static uint calc_workers_for_fullgc();
65 
66   // Calculate workers for parallel degenerated gc
67   static uint calc_workers_for_stw_degenerated();
68 
69   // Calculate workers for concurrent reference update
70   static uint calc_workers_for_conc_update_ref();

14  *
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_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHWORKERPOLICY_HPP
27 
28 #include "memory/allStatic.hpp"
29 
30 class ShenandoahWorkerPolicy : AllStatic {
31 private:
32   static uint _prev_par_marking;
33   static uint _prev_conc_marking;
34   static uint _prev_conc_rs_scanning;
35   static uint _prev_conc_root_proc;
36   static uint _prev_conc_refs_proc;
37   static uint _prev_conc_evac;
38   static uint _prev_fullgc;
39   static uint _prev_degengc;
40   static uint _prev_conc_update_ref;
41   static uint _prev_par_update_ref;
42   static uint _prev_conc_cleanup;
43   static uint _prev_conc_reset;
44 
45 public:
46   // Calculate the number of workers for initial marking
47   static uint calc_workers_for_init_marking();
48 
49   // Calculate the number of workers for concurrent marking
50   static uint calc_workers_for_conc_marking();
51 
52   // Calculate the number of workers for remembered set scanning
53   static uint calc_workers_for_rs_scanning();
54 
55   // Calculate the number of workers for final marking
56   static uint calc_workers_for_final_marking();
57 
58   // Calculate workers for concurrent root processing
59   static uint calc_workers_for_conc_root_processing();
60 
61   // Calculate workers for concurrent refs processing
62   static uint calc_workers_for_conc_refs_processing();
63 
64   // Calculate workers for concurrent evacuation (concurrent GC)
65   static uint calc_workers_for_conc_evac();
66 
67   // Calculate workers for parallel full gc
68   static uint calc_workers_for_fullgc();
69 
70   // Calculate workers for parallel degenerated gc
71   static uint calc_workers_for_stw_degenerated();
72 
73   // Calculate workers for concurrent reference update
74   static uint calc_workers_for_conc_update_ref();
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