src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp

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rev 4515 : 7176220: 'Full GC' events miss date stamp information occasionally
Summary: Move date stamp logic into GCTraceTime
Reviewed-by: johnc, brutisso, jmasa


 316 
 317   assert(!NeverTenure || _tenuring_threshold == markOopDesc::max_age + 1, "Sanity");
 318   assert(!AlwaysTenure || _tenuring_threshold == 0, "Sanity");
 319 
 320   size_t prev_used = heap->used();
 321 
 322   // Fill in TLABs
 323   heap->accumulate_statistics_all_tlabs();
 324   heap->ensure_parsability(true);  // retire TLABs
 325 
 326   if (VerifyBeforeGC && heap->total_collections() >= VerifyGCStartAt) {
 327     HandleMark hm;  // Discard invalid handles created during verification
 328     gclog_or_tty->print(" VerifyBeforeGC:");
 329     Universe::verify();
 330   }
 331 
 332   {
 333     ResourceMark rm;
 334     HandleMark hm;
 335 
 336     gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
 337     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
 338     GCTraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL);
 339     TraceCollectorStats tcs(counters());
 340     TraceMemoryManagerStats tms(false /* not full GC */,gc_cause);
 341 
 342     if (TraceGen0Time) accumulated_time()->start();
 343 
 344     // Let the size policy know we're starting
 345     size_policy->minor_collection_begin();
 346 
 347     // Verify the object start arrays.
 348     if (VerifyObjectStartArray &&
 349         VerifyBeforeGC) {
 350       old_gen->verify_object_start_array();
 351       perm_gen->verify_object_start_array();
 352     }
 353 
 354     // Verify no unmarked old->young roots
 355     if (VerifyRememberedSets) {
 356       CardTableExtension::verify_all_young_refs_imprecise();




 316 
 317   assert(!NeverTenure || _tenuring_threshold == markOopDesc::max_age + 1, "Sanity");
 318   assert(!AlwaysTenure || _tenuring_threshold == 0, "Sanity");
 319 
 320   size_t prev_used = heap->used();
 321 
 322   // Fill in TLABs
 323   heap->accumulate_statistics_all_tlabs();
 324   heap->ensure_parsability(true);  // retire TLABs
 325 
 326   if (VerifyBeforeGC && heap->total_collections() >= VerifyGCStartAt) {
 327     HandleMark hm;  // Discard invalid handles created during verification
 328     gclog_or_tty->print(" VerifyBeforeGC:");
 329     Universe::verify();
 330   }
 331 
 332   {
 333     ResourceMark rm;
 334     HandleMark hm;
 335 

 336     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
 337     GCTraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL);
 338     TraceCollectorStats tcs(counters());
 339     TraceMemoryManagerStats tms(false /* not full GC */,gc_cause);
 340 
 341     if (TraceGen0Time) accumulated_time()->start();
 342 
 343     // Let the size policy know we're starting
 344     size_policy->minor_collection_begin();
 345 
 346     // Verify the object start arrays.
 347     if (VerifyObjectStartArray &&
 348         VerifyBeforeGC) {
 349       old_gen->verify_object_start_array();
 350       perm_gen->verify_object_start_array();
 351     }
 352 
 353     // Verify no unmarked old->young roots
 354     if (VerifyRememberedSets) {
 355       CardTableExtension::verify_all_young_refs_imprecise();