169 Commits

Author SHA1 Message Date
Jon Masamitsu
b8633a3b01 Merge 2008-07-28 15:30:23 -07:00
Jon Masamitsu
18dbebd143 6672698: mangle_unused_area() should not remangle the entire heap at each collection
Maintain a high water mark for the allocations in a space and mangle only up to that high water mark.

Reviewed-by: ysr, apetrusenko
2008-07-09 15:08:55 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
2008-07-02 12:55:16 -07:00
Y. Srinivas Ramakrishna
ac061d0424 Merge 2008-06-12 13:50:55 -07:00
Tom Rodriguez
01130cd21c Merge 2008-06-10 09:57:24 -07:00
Coleen Phillimore
a2d6036a4d 6687581: Make CMS work with compressed oops
Make FreeChunk read markword instead of LSB in _klass pointer to indicate that it's a FreeChunk for compressed oops.

Reviewed-by: ysr, jmasa
2008-06-09 11:51:19 -04:00
Y. Srinivas Ramakrishna
18f3386a98 6711316: Open source the Garbage-First garbage collector
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
2008-06-05 15:57:56 -07:00
Daniel D. Daugherty
7c478e3028 Merge 2008-05-20 09:47:05 -07:00
Daniel D. Daugherty
e03f944292 Merge 2008-05-16 13:42:07 -07:00
Daniel D. Daugherty
a2a49ae8de 6670684: 4/5 SA command universe did not print out CMS space information
Forward port of Yumin's fix for 6670684 from HSX-11; Yumin verified the port was correct.

Reviewed-by: dcubed
2008-05-09 08:55:13 -07:00
Y. Srinivas Ramakrishna
9b2d755745 6662086: 6u4+, 7b11+: CMS never clears referents when -XX:+ParallelRefProcEnabled
Construct the relevant CMSIsAliveClosure used by CMS during parallel reference processing with the correct span. It had incorrectly been constructed with an empty span, a regression introduced in 6417901.

Reviewed-by: jcoomes
2008-05-06 15:37:36 -07:00
Igor Veresov
035662396c Merge 2008-05-04 03:29:31 -07:00
Coleen Phillimore
4a831d45f0 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
2008-04-13 17:43:42 -04:00
Andrey Petrusenko
252a10cf1a 6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
Reviewed-by: ysr, jmasa
2008-04-01 15:13:47 +04:00
Y. Srinivas Ramakrishna
f2b6ac989e 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction
The option CMSInitiatingPermOccupancyFraction now controls perm triggering threshold. Even though the actual value of the threshold has not yet been changed, so there is no change in policy, we now have the infrastructure in place for dynamically deciding when to collect the perm gen, an issue that will be addressed in the near future.

Reviewed-by: jmasa
2008-03-16 21:57:25 -07:00
Y. Srinivas Ramakrishna
a6d8fca876 6668743: CMS: Consolidate block statistics reporting code
Reduce the amount of related code replication and improve pretty printing.

Reviewed-by: jmasa
2008-02-29 14:42:56 -08:00
Y. Srinivas Ramakrishna
74f243990c 6642634: Test nsk/regression/b6186200 crashed with SIGSEGV
Use correct allocation path in expand_and_allocate() so object's mark and p-bits are set as appropriate.

Reviewed-by: jmasa, pbk
2008-02-21 11:03:54 -08:00
Y. Srinivas Ramakrishna
ae065e6290 6621144: CMS: assertion failure "is_cms_thread == Thread::current()->is_ConcurrentGC_thread()"
Take lock conditionally (in asynchronous mode only) when updating the dead-object map.

Reviewed-by: jmasa
2008-02-16 22:41:20 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00