1 /*
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  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
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  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
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 18  *
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 24 
 25 #ifndef SHARE_GC_G1_G1CONCURRENTMARKTHREAD_INLINE_HPP
 26 #define SHARE_GC_G1_G1CONCURRENTMARKTHREAD_INLINE_HPP
 27 
 28 #include "gc/g1/g1ConcurrentMarkThread.hpp"
 29 
 30 #include "gc/g1/g1ConcurrentMark.hpp"
 31 #include "runtime/os.hpp"
 32 
 33   // Total virtual time so far.
 34 inline double G1ConcurrentMarkThread::total_mark_cpu_time_s() {
 35   return static_cast<double>(os::thread_cpu_time(this)) / NANOSECS_PER_SEC + worker_threads_cpu_time_s();
 36 }
 37 
 38 // Marking virtual time so far
 39 inline double G1ConcurrentMarkThread::worker_threads_cpu_time_s() {
 40   return _cm->worker_threads_cpu_time_s();
 41 }
 42 
 43 inline bool G1ConcurrentMarkThread::is_in_full_concurrent_cycle() const {
 44   ServiceState st = state();
 45   return (st == FullCycleMarking || st == FullCycleRebuildOrScrub || st == FullCycleResetForNextCycle);
 46 }
 47 
 48 inline void G1ConcurrentMarkThread::set_idle() {
 49   // Concurrent cycle may be aborted any time.
 50   assert(!is_idle(), "must not be idle");
 51   _state.store_relaxed(Idle);
 52 }
 53 
 54 inline void G1ConcurrentMarkThread::start_full_cycle() {
 55   assert(SafepointSynchronize::is_at_safepoint(), "must be");
 56   assert(is_idle(), "cycle in progress");
 57   _state.store_relaxed(FullCycleMarking);
 58 }
 59 
 60 inline void G1ConcurrentMarkThread::start_undo_cycle() {
 61   assert(SafepointSynchronize::is_at_safepoint(), "must be");
 62   assert(is_idle(), "cycle in progress");
 63   _state.store_relaxed(UndoCycleResetForNextCycle);
 64 }
 65 
 66 inline void G1ConcurrentMarkThread::set_full_cycle_rebuild_and_scrub() {
 67   assert(SafepointSynchronize::is_at_safepoint(), "must be");
 68   assert(state() == FullCycleMarking, "must be");
 69   _state.store_relaxed(FullCycleRebuildOrScrub);
 70 }
 71 
 72 inline void G1ConcurrentMarkThread::set_full_cycle_reset_for_next_cycle() {
 73   assert(SafepointSynchronize::is_at_safepoint(), "must be");
 74   assert(state() == FullCycleRebuildOrScrub, "must be");
 75   _state.store_relaxed(FullCycleResetForNextCycle);
 76 }
 77 
 78 inline bool G1ConcurrentMarkThread::is_in_marking() const {
 79   return state() == FullCycleMarking;
 80 }
 81 
 82 inline bool G1ConcurrentMarkThread::is_in_marking_or_rebuild() const {
 83   ServiceState st = state();
 84   return st == FullCycleMarking || st == FullCycleRebuildOrScrub;
 85 }
 86 
 87 inline bool G1ConcurrentMarkThread::is_in_reset_for_next_cycle() const {
 88   ServiceState st = state();
 89   return st == FullCycleResetForNextCycle || st == UndoCycleResetForNextCycle;
 90 }
 91 
 92 inline bool G1ConcurrentMarkThread::is_idle() const {
 93   return state() == Idle;
 94 }
 95 
 96 inline bool G1ConcurrentMarkThread::is_in_progress() const {
 97   return !is_idle();
 98 }
 99 
100 inline bool G1ConcurrentMarkThread::is_in_undo_cycle() const {
101   return state() == UndoCycleResetForNextCycle;
102 }
103 
104 #endif // SHARE_GC_G1_G1CONCURRENTMARKTHREAD_INLINE_HPP