src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp

rev 4735 : 8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets.
Reviewed-by:

*** 5184,5194 ****
                                  false,     // not scavenging
                                  SharedHeap::ScanningOption(_collector->CMSCollector::roots_scanning_options()),
                                  &par_mrias_cl,
                                  true,   // walk all of code cache if (so & SO_CodeCache)
                                  NULL,
!                                 NULL);     // The dirty klasses will be handled below
    assert(_collector->should_unload_classes()
           || (_collector->CMSCollector::roots_scanning_options() & SharedHeap::SO_CodeCache),
           "if we didn't scan the code cache, we have to be ready to drop nmethods with expired weak oops");
    _timer.stop();
    if (PrintCMSStatistics != 0) {
--- 5184,5196 ----
                                  false,     // not scavenging
                                  SharedHeap::ScanningOption(_collector->CMSCollector::roots_scanning_options()),
                                  &par_mrias_cl,
                                  true,   // walk all of code cache if (so & SO_CodeCache)
                                  NULL,
!                                 NULL,      // The dirty klasses will be handled below
!                                 worker_id);
! 
    assert(_collector->should_unload_classes()
           || (_collector->CMSCollector::roots_scanning_options() & SharedHeap::SO_CodeCache),
           "if we didn't scan the code cache, we have to be ready to drop nmethods with expired weak oops");
    _timer.stop();
    if (PrintCMSStatistics != 0) {