1229                                                    size_t size,
1230                                                    bool   tlab)
1231 {
1232   // We allow a STW collection only if a full
1233   // collection was requested.
1234   return full || should_allocate(size, tlab); // FIX ME !!!
1235   // This and promotion failure handling are connected at the
1236   // hip and should be fixed by untying them.
1237 }
1238 
1239 bool CMSCollector::shouldConcurrentCollect() {
1240   if (_full_gc_requested) {
1241     if (Verbose && PrintGCDetails) {
1242       gclog_or_tty->print_cr("CMSCollector: collect because of explicit "
1243                              " gc request (or gc_locker)");
1244     }
1245     return true;
1246   }
1247 
1248   // For debugging purposes, change the type of collection.
1249   // If the rotation is not on the concurrent collection
1250   // type, don't start a concurrent collection.
1251   NOT_PRODUCT(
1252     if (RotateCMSCollectionTypes) {
1253       return _cmsGen->debug_concurrent_cycle();
1254     }
1255   )
1256 
1257   FreelistLocker x(this);
1258   // ------------------------------------------------------------------
1259   // Print out lots of information which affects the initiation of
1260   // a collection.
1261   if (PrintCMSInitiationStatistics && stats().valid()) {
1262     gclog_or_tty->print("CMSCollector shouldConcurrentCollect: ");
1263     gclog_or_tty->stamp();
1264     gclog_or_tty->cr();
1265     stats().print_on(gclog_or_tty);
1266     gclog_or_tty->print_cr("time_until_cms_gen_full %3.7f",
1267       stats().time_until_cms_gen_full());
1268     gclog_or_tty->print_cr("free="SIZE_FORMAT, _cmsGen->free());
1269     gclog_or_tty->print_cr("contiguous_available="SIZE_FORMAT,
1270                            _cmsGen->contiguous_available());

1229                                                    size_t size,
1230                                                    bool   tlab)
1231 {
1232   // We allow a STW collection only if a full
1233   // collection was requested.
1234   return full || should_allocate(size, tlab); // FIX ME !!!
1235   // This and promotion failure handling are connected at the
1236   // hip and should be fixed by untying them.
1237 }
1238 
1239 bool CMSCollector::shouldConcurrentCollect() {
1240   if (_full_gc_requested) {
1241     if (Verbose && PrintGCDetails) {
1242       gclog_or_tty->print_cr("CMSCollector: collect because of explicit "
1243                              " gc request (or gc_locker)");
1244     }
1245     return true;
1246   }
1247 
1248   // For debugging purposes, change the type of collection.
1249   // Rotate between concurrent and stop-the-world full GCs.

1250   NOT_PRODUCT(
1251     if (RotateCMSCollectionTypes) {
1252       return _cmsGen->debug_concurrent_cycle();
1253     }
1254   )
1255 
1256   FreelistLocker x(this);
1257   // ------------------------------------------------------------------
1258   // Print out lots of information which affects the initiation of
1259   // a collection.
1260   if (PrintCMSInitiationStatistics && stats().valid()) {
1261     gclog_or_tty->print("CMSCollector shouldConcurrentCollect: ");
1262     gclog_or_tty->stamp();
1263     gclog_or_tty->cr();
1264     stats().print_on(gclog_or_tty);
1265     gclog_or_tty->print_cr("time_until_cms_gen_full %3.7f",
1266       stats().time_until_cms_gen_full());
1267     gclog_or_tty->print_cr("free="SIZE_FORMAT, _cmsGen->free());
1268     gclog_or_tty->print_cr("contiguous_available="SIZE_FORMAT,
1269                            _cmsGen->contiguous_available());