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comparison src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp @ 6064:9d679effd28c

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7166894: Add gc cause to GC logging for all collectors Reviewed-by: mgerdin, johnc
author brutisso
date Tue, 15 May 2012 10:25:06 +0200
parents ab4422d0ed59
children d2a62e0f25eb
comparison
equal deleted inserted replaced
6063:cdfa5139bd58 6064:9d679effd28c
2045 // Set the number of GC threads to be used in this collection 2045 // Set the number of GC threads to be used in this collection
2046 gc_task_manager()->set_active_gang(); 2046 gc_task_manager()->set_active_gang();
2047 gc_task_manager()->task_idle_workers(); 2047 gc_task_manager()->task_idle_workers();
2048 heap->set_par_threads(gc_task_manager()->active_workers()); 2048 heap->set_par_threads(gc_task_manager()->active_workers());
2049 2049
2050 const bool is_system_gc = gc_cause == GCCause::_java_lang_system_gc;
2051
2052 // This is useful for debugging but don't change the output the
2053 // the customer sees.
2054 const char* gc_cause_str = "Full GC";
2055 if (is_system_gc && PrintGCDetails) {
2056 gc_cause_str = "Full GC (System)";
2057 }
2058 gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); 2050 gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
2059 TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); 2051 TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
2060 TraceTime t1(gc_cause_str, PrintGC, !PrintGCDetails, gclog_or_tty); 2052 TraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, gclog_or_tty);
2061 TraceCollectorStats tcs(counters()); 2053 TraceCollectorStats tcs(counters());
2062 TraceMemoryManagerStats tms(true /* Full GC */,gc_cause); 2054 TraceMemoryManagerStats tms(true /* Full GC */,gc_cause);
2063 2055
2064 if (TraceGen1Time) accumulated_time()->start(); 2056 if (TraceGen1Time) accumulated_time()->start();
2065 2057
2088 mark_bitmap()->cas_tries(), mark_bitmap()->cas_retries(), 2080 mark_bitmap()->cas_tries(), mark_bitmap()->cas_retries(),
2089 mark_bitmap()->cas_by_another()); 2081 mark_bitmap()->cas_by_another());
2090 } 2082 }
2091 #endif // #ifndef PRODUCT 2083 #endif // #ifndef PRODUCT
2092 2084
2093 bool max_on_system_gc = UseMaximumCompactionOnSystemGC && is_system_gc; 2085 bool max_on_system_gc = UseMaximumCompactionOnSystemGC
2086 && gc_cause == GCCause::_java_lang_system_gc;
2094 summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc); 2087 summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
2095 2088
2096 COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity")); 2089 COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity"));
2097 COMPILER2_PRESENT(DerivedPointerTable::set_active(false)); 2090 COMPILER2_PRESENT(DerivedPointerTable::set_active(false));
2098 2091