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8064865: Remove the debug funciontality RotateCMSCollectionTypes for CMS

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Reviewed-by: jmasa, kbarrett, ysr
This commit is contained in:
Bengt Rutisson 2014-11-18 10:39:16 +01:00
parent 4b60638d85
commit 2da855a259
3 changed files with 0 additions and 34 deletions
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26
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
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@ -192,7 +192,6 @@ ConcurrentMarkSweepGeneration::ConcurrentMarkSweepGeneration(
FreeBlockDictionary<FreeChunk>::DictionaryChoice dictionaryChoice) :
CardGeneration(rs, initial_byte_size, level, ct),
_dilatation_factor(((double)MinChunkSize)/((double)(CollectedHeap::min_fill_size()))),
_debug_concurrent_cycle(true),
_did_compact(false)
{
HeapWord* bottom = (HeapWord*) _virtual_space.low();
@ -1245,14 +1244,6 @@ bool CMSCollector::shouldConcurrentCollect() {
return true;
}
// For debugging purposes, change the type of collection.
// Rotate between concurrent and stop-the-world full GCs.
NOT_PRODUCT(
if (RotateCMSCollectionTypes) {
return _cmsGen->debug_concurrent_cycle();
}
)
FreelistLocker x(this);
// ------------------------------------------------------------------
// Print out lots of information which affects the initiation of
@ -5830,17 +5821,6 @@ void ConcurrentMarkSweepGeneration::update_gc_stats(int current_level,
}
}
void ConcurrentMarkSweepGeneration::rotate_debug_collection_type() {
if (PrintGCDetails && Verbose) {
if (_debug_concurrent_cycle) {
gclog_or_tty->print_cr("Rotate from concurrent to STW collections");
} else {
gclog_or_tty->print_cr("Rotate from STW to concurrent collections");
}
}
_debug_concurrent_cycle = !_debug_concurrent_cycle;
}
void CMSCollector::sweepWork(ConcurrentMarkSweepGeneration* gen) {
// We iterate over the space(s) underlying this generation,
// checking the mark bit map to see if the bits corresponding
@ -5961,12 +5941,6 @@ void CMSCollector::reset(bool concurrent) {
_collectorState = Idling;
}
NOT_PRODUCT(
if (RotateCMSCollectionTypes) {
_cmsGen->rotate_debug_collection_type();
}
)
register_gc_end();
}