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8383794: G1: Rename refinement sweep duration helper to reflect SwapGlobalCT start

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Reviewed-by: tschatzl, iwalulya
This commit is contained in:
Albert Mingkun Yang 2026-05-05 08:19:53 +00:00
parent 1581b06ae9
commit 65670ba43b
2 changed files with 10 additions and 8 deletions
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16
src/hotspot/share/gc/g1/g1ConcurrentRefine.cpp
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@ -145,16 +145,18 @@ void G1ConcurrentRefineSweepState::enter_state(State state, Ticks timestamp) {
_state = state;
}
Tickspan G1ConcurrentRefineSweepState::get_duration(State start, State end) const {
assert(end >= start, "precondition");
return _state_start[static_cast<uint>(end)] - _state_start[static_cast<uint>(start)];
}
Tickspan G1ConcurrentRefineSweepState::time_since_start(Ticks completion_time) const {
assert(_state >= State::SwapGlobalCT, "precondition");
return completion_time - _state_start[static_cast<uint>(State::SwapGlobalCT)];
}
Tickspan G1ConcurrentRefineSweepState::time_until_state(State state) const {
assert(_state >= State::SwapGlobalCT, "precondition");
assert(state >= State::SwapGlobalCT, "precondition");
assert(state <= _state, "precondition");
return _state_start[static_cast<uint>(state)] - _state_start[static_cast<uint>(State::SwapGlobalCT)];
}
void G1ConcurrentRefineSweepState::reset_stats() {
stats()->reset();
}
@ -333,7 +335,7 @@ void G1ConcurrentRefineSweepState::handle_ongoing_refinement_at_safepoint() {
const Ticks completion_time = Ticks::now();
const Tickspan total_duration = time_since_start(completion_time);
const Tickspan pre_sweep_duration = get_duration(State::SwapGlobalCT, MIN2(_state, State::SweepRT));
const Tickspan pre_sweep_duration = time_until_state(MIN2(_state, State::SweepRT));
print_refinement_stats(total_duration, pre_sweep_duration, &_stats);
@ -370,7 +372,7 @@ void G1ConcurrentRefineSweepState::complete_refinement(jlong total_yield_during_
const Ticks completion_time = Ticks::now();
const Tickspan total_duration = time_since_start(completion_time);
const Tickspan pre_sweep_duration = get_duration(State::SwapGlobalCT, State::SweepRT);
const Tickspan pre_sweep_duration = time_until_state(State::SweepRT);
print_refinement_stats(total_duration, pre_sweep_duration, &_stats);

2
src/hotspot/share/gc/g1/g1ConcurrentRefine.hpp
View File

@ -146,8 +146,8 @@ class G1ConcurrentRefineSweepState {
Ticks _state_start[static_cast<uint>(State::Last)];
void enter_state(State state, Ticks timestamp);
Tickspan get_duration(State start, State end) const;
Tickspan time_since_start(Ticks completion_time) const;
Tickspan time_until_state(State state) const;
G1ConcurrentRefineStats _stats;