const double GCIdleTimeHandler::kConservativeTimeRatio = 0.9;
const size_t GCIdleTimeHandler::kMaxMarkCompactTimeInMs = 1000;
const size_t GCIdleTimeHandler::kMaxFinalIncrementalMarkCompactTimeInMs = 1000;
-const size_t GCIdleTimeHandler::kMinTimeForFinalizeSweeping = 100;
const int GCIdleTimeHandler::kMaxMarkCompactsInIdleRound = 2;
const int GCIdleTimeHandler::kIdleScavengeThreshold = 5;
const double GCIdleTimeHandler::kHighContextDisposalRate = 100;
}
}
- // TODO(hpayer): Estimate finalize sweeping time.
- if (heap_state.sweeping_in_progress &&
- static_cast<size_t>(idle_time_in_ms) >= kMinTimeForFinalizeSweeping) {
+ if (heap_state.sweeping_in_progress && heap_state.sweeping_completed) {
return GCIdleTimeAction::FinalizeSweeping();
}
// EstimateFinalIncrementalMarkCompactTime.
static const size_t kMaxFinalIncrementalMarkCompactTimeInMs;
- // Minimum time to finalize sweeping phase. The main thread may wait for
- // sweeper threads.
- static const size_t kMinTimeForFinalizeSweeping;
-
// Number of idle mark-compact events, after which idle handler will finish
// idle round.
static const int kMaxMarkCompactsInIdleRound;
bool incremental_marking_stopped;
bool can_start_incremental_marking;
bool sweeping_in_progress;
+ bool sweeping_completed;
size_t mark_compact_speed_in_bytes_per_ms;
size_t incremental_marking_speed_in_bytes_per_ms;
size_t final_incremental_mark_compact_speed_in_bytes_per_ms;
!mark_compact_collector()->sweeping_in_progress();
heap_state.sweeping_in_progress =
mark_compact_collector()->sweeping_in_progress();
+ heap_state.sweeping_completed =
+ mark_compact_collector()->IsSweepingCompleted();
heap_state.mark_compact_speed_in_bytes_per_ms =
static_cast<size_t>(tracer()->MarkCompactSpeedInBytesPerMillisecond());
heap_state.incremental_marking_speed_in_bytes_per_ms = static_cast<size_t>(
result.incremental_marking_stopped = false;
result.can_start_incremental_marking = true;
result.sweeping_in_progress = false;
+ result.sweeping_completed = false;
result.mark_compact_speed_in_bytes_per_ms = kMarkCompactSpeed;
result.incremental_marking_speed_in_bytes_per_ms = kMarkingSpeed;
result.scavenge_speed_in_bytes_per_ms = kScavengeSpeed;
}
+TEST_F(GCIdleTimeHandlerTest, FinalizeSweeping) {
+ GCIdleTimeHandler::HeapState heap_state = DefaultHeapState();
+ heap_state.incremental_marking_stopped = true;
+ heap_state.can_start_incremental_marking = false;
+ heap_state.sweeping_in_progress = true;
+ heap_state.sweeping_completed = true;
+ double idle_time_ms = 10.0;
+ GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state);
+ EXPECT_EQ(DO_FINALIZE_SWEEPING, action.type);
+}
+
+
+TEST_F(GCIdleTimeHandlerTest, CannotFinalizeSweeping) {
+ GCIdleTimeHandler::HeapState heap_state = DefaultHeapState();
+ heap_state.incremental_marking_stopped = true;
+ heap_state.can_start_incremental_marking = false;
+ heap_state.sweeping_in_progress = true;
+ heap_state.sweeping_completed = false;
+ double idle_time_ms = 10.0;
+ GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state);
+ EXPECT_EQ(DO_NOTHING, action.type);
+}
+
+
TEST_F(GCIdleTimeHandlerTest, StopEventually1) {
GCIdleTimeHandler::HeapState heap_state = DefaultHeapState();
heap_state.incremental_marking_stopped = true;