# HG changeset patch # User johnc # Date 1354304777 28800 # Node ID 0f80645e9c266c2bddad6fd94423b7ae20534b09 # Parent 816b7e5bf2ed3b3baf0a9ebae942996bc5e4cc99 8004170: G1: Verbose GC output is not getting flushed to log file using JDK 8 Summary: Add flushes to G1CollectedHeap::log_gc_footer() and TraceCPUTime destructor. Reviewed-by: jwilhelm, azeemj, brutisso diff -r 816b7e5bf2ed -r 0f80645e9c26 src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp --- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Fri Nov 30 17:00:32 2012 -0800 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Fri Nov 30 11:46:17 2012 -0800 @@ -3690,6 +3690,7 @@ g1_policy()->print_heap_transition(); gclog_or_tty->print_cr(", %3.7f secs]", pause_time_sec); } + gclog_or_tty->flush(); } bool @@ -4036,10 +4037,11 @@ #endif gc_epilogue(false); - - log_gc_footer(os::elapsedTime() - pause_start_sec); } + // Print the remainder of the GC log output. + log_gc_footer(os::elapsedTime() - pause_start_sec); + // It is not yet to safe to tell the concurrent mark to // start as we have some optional output below. We don't want the // output from the concurrent mark thread interfering with this diff -r 816b7e5bf2ed -r 0f80645e9c26 src/share/vm/runtime/timer.cpp --- a/src/share/vm/runtime/timer.cpp Fri Nov 30 17:00:32 2012 -0800 +++ b/src/share/vm/runtime/timer.cpp Fri Nov 30 11:46:17 2012 -0800 @@ -210,8 +210,9 @@ } else { _logfile->print("[Error in TraceCPUTime]"); } - if (_print_cr) { + if (_print_cr) { _logfile->print_cr(""); } + _logfile->flush(); } }