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45 Commits

Author SHA1 Message Date
Xiaobin Lu
74d9cf0fb8 6784100: getTimeNanos - CAS reduction 
Get rid of the CAS loop in getTimeNanos to reduce coherence traffic on Solaris.

Reviewed-by: acorn, kvn, ysr
 2008-12-19 14:40:28 -08:00
Coleen Phillimore
e0d2bfab81 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE 
Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.

Reviewed-by: acorn, jcoomes
 2008-12-10 15:14:29 -08:00
Lev Serebryakov
1d59997abe Merge 2008-12-05 15:06:37 -05:00
Poonam Bajaj
9330807714 Merge 2008-12-04 17:48:02 -08:00
Poonam Bajaj
eddda26255 6739363: Xcheck jni doesn't check native function arguments 
Fix adds support for verifying arguments with -Xcheck:jni.

Reviewed-by: coleenp
 2008-12-04 17:29:56 -08:00
Igor Veresov
af509dd90d 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus() 
In os::Linux::rebuild_cpu_to_node_map() fix the size of the CPU bitmap. Fixed arithmetic in MutableNUMASpace::adaptive_chunk_size() that could cause overflows and underflows of the chunk_size variable.

Reviewed-by: apetrusenko
 2008-12-03 14:18:57 -08:00
John Coomes
6fe817326c 6718879: cannot build on solaris nevada 
Reviewed-by: xlu
 2008-11-11 22:21:13 -08:00
Erik Trimble
4b983d3b39 Merge 2008-10-15 18:51:04 -07:00
Antonios Printezis
04b0ebb9c1 Merge 2008-10-09 12:06:22 -04:00
Kumar Srinivasan
3a72f5c241 6755845: JVM_FindClassFromBoot triggers assertions 
Fixes assertions caused by one jvm_entry calling another, solved by refactoring code and modified gamma test.

Reviewed-by: dholmes, xlu
 2008-10-08 08:10:51 -07:00
Erik Trimble
50964694fe Merge 2008-10-07 11:01:35 -07:00
Xiaobin Lu
fe28b4f768 6673124: Runtime.availableProcessors / os::active_processor_count wrong if unused processor sets exist 
Reviewed-by: acorn, dholmes
 2008-10-06 11:39:34 -07:00
Xiomara Jayasena
76df5ec473 6754988: Update copyright year 
Update for files that have been modified starting July 2008

Reviewed-by: ohair, tbell
 2008-10-02 19:58:19 -07:00
Jon Masamitsu
6c19542a36 6660681: Incrementally reserve pages on win server 2003 for better large page affinity 
For windows server 2003 added option to reserve large pages individually.

Reviewed-by: alanb, jcoomes, tonyp, apetrusenko
 2008-10-02 12:01:08 -07:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Erik Trimble
9d5ff382c1 Merge 2008-08-10 13:13:55 -07:00
Jon Masamitsu
b57ca9ed91 Merge 2008-08-04 12:11:36 -07:00
Xiaobin Lu
12198cdafd 6618886: Anonymous objects can be destructed immediately and so should not be used 
Reviewed-by: dholmes, kamg
 2008-08-01 15:18:14 -07:00
Xiaobin Lu
3da24841be 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008 
Reviewed-by: dholmes, kamg
 2008-08-01 15:12:34 -07:00
Jon Masamitsu
b8633a3b01 Merge 2008-07-28 15:30:23 -07:00
Keith McGuigan
74faacc945 6721093: -XX:AppendRatio=N not supported 
Add mechanism to ignore unsupported flags for a set period of time

Reviewed-by: acorn, never, coleenp
 2008-07-28 14:07:44 -04:00
Coleen Phillimore
20dba03e99 6716785: implicit null checks not triggering with CompressedOops 
Allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check

Reviewed-by: kvn, jmasa, phh, jcoomes
 2008-07-19 17:38:22 -04:00
Igor Veresov
1193f0f9db 6723228: NUMA allocator: assert(lgrp_id != -1, "No lgrp_id set") 
6723229: NUMA allocator: assert(lgrp_num > 0, "There should be at least one locality group")

The fix takes care of the assertion triggered during TLAB resizing after reconfiguration. Also it now handles a defect in the topology graph, in which a single leaf node doesn't have memory.

Reviewed-by: jmasa
 2008-07-17 10:26:33 -07:00
Igor Veresov
e9e432633b 6720130: NUMA allocator: The linux version should search for libnuma.so.1 
Search for libnuma.so.1 on Linux and liblgrp.so.1 on Solaris.

Reviewed-by: jmasa
 2008-07-14 04:12:47 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -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
74ee57a572 Merge 2008-07-01 11:59:44 -07:00
Tom Rodriguez
873da1efe8 6718676: putback for 6604014 is incomplete 
Reviewed-by: kvn, jrose
 2008-06-24 16:00:14 -07:00
Y. Srinivas Ramakrishna
f521ab4f1a Merge 2008-06-24 13:20:34 -07:00
Xiaobin Lu
cb8502a58c 6681796: hotspot build failure on gcc 4.2.x (ubuntu 8.04) w/ openjdk 6 
Fixed the cast from char* to const char* and tried to use const char* as much as possible

Reviewed-by: never, kamg
 2008-06-17 09:59:59 -07:00
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
Igor Veresov
1689a5ecba 6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator 
Don't move tops of the chunks in ensure_parsibility(). Handle the situation with Solaris when a machine has a locality group with no memory.

Reviewed-by: apetrusenko, jcoomes, ysr
 2008-05-09 16:34:08 +04:00
Igor Veresov
035662396c Merge 2008-05-04 03:29:31 -07:00
Igor Veresov
a24f915b60 6684395: Port NUMA-aware allocator to linux 
NUMA-aware allocator port to Linux

Reviewed-by: jmasa, apetrusenko
 2008-04-29 13:51:26 +04:00
Keith McGuigan
f072bc9d3f 6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes 
Initial checkin of JSDT code

Reviewed-by: acorn, sbohne
 2008-04-17 22:18:15 -04:00
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
Xiaobin Lu
3bc5120d53 6671882: memory access after free in solaris/vm/os_solaris.cpp 
Corrected the wrong memory access problem and made some minor clean ups

Reviewed-by: dholmes, jcoomes
 2008-04-03 12:21:06 -07:00
John Coomes
5ac01e984f 6642862: Code cache allocation fails with large pages after 6588638 
Reviewed-by: apetrusenko
 2008-03-28 23:35:42 -07:00
Keith McGuigan
c2c3f0fe72 Merge 2008-03-20 09:17:30 -05:00
Steve Bohne
bf559c6dce 6667833: Remove CacheTimeMillis 
Remove -XX:+CacheTimeMillis option and associated functionality

Reviewed-by: acorn, never
 2008-03-19 09:58:01 -04:00
Steve Bohne
387f42921b 6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file 
Os::attempt_reserve_memory_at() now passes an address hint to mmap

Reviewed-by: kamg, dice
 2008-03-14 10:43:02 -04:00
Daniel D. Daugherty
0745d10694 Merge 2008-03-13 14:17:48 -07:00
Daniel D. Daugherty
2927815658 6452081: 3/4 Allow for Linux builds with Sun Studio Linux compilers 
(for Serguei) Allow for Linux builds with Sun Studio Linux compilers

Reviewed-by: sspitsyn, ohair
 2008-03-12 18:37:03 -07:00
Paul Hohensee
4576d7abf7 6629887: 64-bit windows should not restrict default heap size to 1400m 
Reviewed-by: jmasa, sbohne, ikrylov, xlu
 2007-12-05 09:04:00 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00