tschatzl [Thu, 28 Jan 2016 13:30:12 +0100] rev 35877
8146987: Improve Parallel GC Full GC by caching results of live_words_in_range()
Summary: A large part of time in the parallel scavenge collector is spent finding out the amount of live words within memory ranges to find out where to move an object to. Try to incrementally calculate this value.
Reviewed-by: tschatzl, mgerdin, jmasa
Contributed-by: ray alex <sky1young@gmail.com>
tschatzl [Thu, 28 Jan 2016 15:03:33 +0100] rev 35876
Merge
tschatzl [Thu, 28 Jan 2016 14:00:20 +0100] rev 35875
8147087: Race when reusing PerRegionTable bitmaps may result in dropped remembered set entries
Summary: Do not make reused PRTs available to other threads before the bitmap of the PRT has been cleared.
Reviewed-by: tbenson, mgerdin
Contributed-by: Poonam Bajaj <poonam.bajaj@oracle.com>, Thomas Schatzl <thomas.schatzl@oracle.com>
akulyakh [Thu, 28 Jan 2016 14:58:57 +0300] rev 35874
8147447: serviceability/tmtools/jstack/WaitNotifyThreadTest.java test fails
Summary: corrected verification of the jstack object references
Reviewed-by: sla
brutisso [Thu, 28 Jan 2016 10:18:45 +0100] rev 35873
Merge
brutisso [Thu, 28 Jan 2016 10:04:35 +0100] rev 35872
8145180: Add back PrintGC, PrintGCDetails and -Xloggc
Reviewed-by: sjohanss, david
mgerdin [Wed, 27 Jan 2016 14:50:56 +0100] rev 35871
8147461: Use byte offsets for vtable start and vtable length offsets
Reviewed-by: cjplummer, coleenp, dnsimon
dholmes [Thu, 28 Jan 2016 07:11:45 +0100] rev 35870
Merge
stuefe [Wed, 27 Jan 2016 11:51:56 +0100] rev 35869
8146905: cleanup ostream, staticBufferStream
Summary: get rid of staticBufferStream and implement the use-caller-provided-scratch-buffer feature in a simpler way.
Reviewed-by: simonis, dholmes
jiangli [Wed, 27 Jan 2016 22:39:03 -0500] rev 35868
8147500: The HashtableTextDump::get_num() should check for integer overflow
Summary: Add check for integer overflow in HashtableTextDump::get_num()
Reviewed-by: dholmes, iklam