Changeset: e018e6884bd8 Author: ysr Date: 2009-12-23 09:23 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation Summary: Autonomic per-worker free block cache sizing, tunable coalition policies, fixes to per-size block statistics, retuned gain and bandwidth of some feedback loop filters to allow quicker reactivity to abrupt changes in ambient demand, and other heuristics to reduce fragmentation of the CMS old gen. Also tightened some assertions, including those related to locking. Reviewed-by: jmasa ! src/share/vm/gc_implementation/concurrentMarkSweep/binaryTreeDictionary.cpp ! src/share/vm/gc_implementation/concurrentMarkSweep/binaryTreeDictionary.hpp ! src/share/vm/gc_implementation/concurrentMarkSweep/cmsLockVerifier.cpp ! src/share/vm/gc_implementation/concurrentMarkSweep/cmsLockVerifier.hpp ! src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp ! src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp ! src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp ! src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp ! src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.hpp ! src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.cpp ! src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.hpp ! src/share/vm/gc_implementation/concurrentMarkSweep/freeList.cpp ! src/share/vm/gc_implementation/concurrentMarkSweep/freeList.hpp ! src/share/vm/gc_implementation/includeDB_gc_concurrentMarkSweep ! src/share/vm/gc_implementation/includeDB_gc_serial ! src/share/vm/gc_implementation/parNew/parNewGeneration.cpp ! src/share/vm/gc_implementation/parNew/parNewGeneration.hpp ! src/share/vm/gc_implementation/shared/allocationStats.hpp ! src/share/vm/gc_implementation/shared/gcUtil.cpp ! src/share/vm/gc_implementation/shared/gcUtil.hpp ! src/share/vm/includeDB_gc_parallel ! src/share/vm/memory/defNewGeneration.cpp ! src/share/vm/memory/generation.hpp ! src/share/vm/runtime/arguments.cpp ! src/share/vm/runtime/globals.hpp ! src/share/vm/services/classLoadingService.cpp Changeset: 504830073409 Author: jmasa Date: 2010-01-04 07:58 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/504830073409 Merge ! src/share/vm/runtime/globals.hpp Changeset: 75bd253e25dd Author: ysr Date: 2010-01-04 14:51 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/75bd253e25dd 6637203: Classunloading messages go to stdout rather than Xloggc file, causing hangs when stdout is closed Summary: Decoupled TraceClassUnloading from verbose:gc, JVMTI_VERBOSE_GC and PrintGC[Details], making it settable in a manner identical to TraceClassLoading. Reverted an inadvertent change of TraceClassUnloading output in a previous changeset from gclog back to tty. Reviewed-by: coleenp, dholmes, jmasa, poonam ! src/share/vm/prims/jvmtiEnv.cpp ! src/share/vm/runtime/arguments.cpp ! src/share/vm/services/classLoadingService.cpp Changeset: 05b775309e59 Author: jmasa Date: 2010-01-07 08:14 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/05b775309e59 6912018: CMS: guarantee(head() != 0,"The head of the list cannot be NULL") Summary: Block too small to split was not correctly putback to free lists. Reviewed-by: ysr ! src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp Changeset: 0579c695832f Author: ysr Date: 2010-01-09 09:01 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/0579c695832f Merge ! src/share/vm/prims/jvmtiEnv.cpp ! src/share/vm/runtime/arguments.cpp Changeset: f62a22282a47 Author: kvn Date: 2010-01-07 16:24 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/f62a22282a47 6914622: Print values of all flags for product VM Summary: Change the flag -XX:+PrintFlagsFinal to product and add new product flag -XX:+PrintFlagsInitial. Reviewed-by: phh, ysr Contributed-by: [email protected] ! src/share/vm/runtime/arguments.cpp ! src/share/vm/runtime/globals.cpp ! src/share/vm/runtime/globals.hpp Changeset: 1271af4ec18c Author: kvn Date: 2010-01-07 16:26 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/1271af4ec18c 6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE. Summary: Add missing check that value is used in memory expression in instructions with embedded load. Reviewed-by: never, jrose ! src/share/vm/opto/lcm.cpp + test/compiler/6912517/Test.java Changeset: cd37471eaecc Author: twisti Date: 2010-01-08 11:09 +0100 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters Summary: Put generated MH adapter in InvokeDynamic/MethodHandle classes to be able to indentify them easily in the compiler. Reviewed-by: kvn, never, jrose ! src/share/vm/ci/ciMethod.cpp ! src/share/vm/ci/ciMethod.hpp ! src/share/vm/classfile/systemDictionary.hpp ! src/share/vm/includeDB_core ! src/share/vm/oops/methodOop.cpp ! src/share/vm/oops/methodOop.hpp ! src/share/vm/opto/library_call.cpp ! src/share/vm/prims/methodHandleWalk.cpp ! src/share/vm/prims/methodHandleWalk.hpp ! src/share/vm/runtime/reflection.cpp ! src/share/vm/runtime/vframe.cpp Changeset: bea7a22a6f79 Author: kvn Date: 2010-01-08 09:42 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/bea7a22a6f79 6915110: IfNode::up_one_dom moves beyond RootNode bug in src/share/vm/opto/ifnode.cpp Summary: Check RootNode before check Loop in IfNode::up_one_dom(). Reviewed-by: never Contributed-by: [email protected] ! src/share/vm/opto/ifnode.cpp Changeset: 174ade00803b Author: kvn Date: 2010-01-08 09:51 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/174ade00803b 6910484: incorrect integer optimization (loosing and op-r in a given example) Summary: Remove AND operation only if mask is equal to shift. Reviewed-by: never ! src/share/vm/opto/divnode.cpp + test/compiler/6910484/Test.java Changeset: 4e6abf09f540 Author: jrose Date: 2010-01-08 13:47 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode Summary: More informative disassembly in product mode. Also, a more consistent CompileCommand syntax. Reviewed-by: never ! src/share/vm/code/codeBlob.hpp ! src/share/vm/code/nmethod.cpp ! src/share/vm/code/nmethod.hpp ! src/share/vm/compiler/compilerOracle.cpp ! src/share/vm/compiler/disassembler.cpp ! src/share/vm/includeDB_core ! src/share/vm/memory/genCollectedHeap.cpp ! src/share/vm/oops/arrayKlassKlass.cpp ! src/share/vm/oops/arrayKlassKlass.hpp ! src/share/vm/oops/compiledICHolderKlass.cpp ! src/share/vm/oops/compiledICHolderKlass.hpp ! src/share/vm/oops/constMethodKlass.cpp ! src/share/vm/oops/constMethodKlass.hpp ! src/share/vm/oops/constantPoolKlass.cpp ! src/share/vm/oops/constantPoolKlass.hpp ! src/share/vm/oops/cpCacheKlass.cpp ! src/share/vm/oops/cpCacheKlass.hpp ! src/share/vm/oops/instanceKlass.cpp ! src/share/vm/oops/instanceKlass.hpp ! src/share/vm/oops/instanceKlassKlass.cpp ! src/share/vm/oops/instanceKlassKlass.hpp ! src/share/vm/oops/klass.cpp ! src/share/vm/oops/klass.hpp ! src/share/vm/oops/klassKlass.cpp ! src/share/vm/oops/klassKlass.hpp ! src/share/vm/oops/methodDataKlass.cpp ! src/share/vm/oops/methodDataKlass.hpp ! src/share/vm/oops/methodKlass.cpp ! src/share/vm/oops/methodKlass.hpp ! src/share/vm/oops/objArrayKlass.cpp ! src/share/vm/oops/objArrayKlass.hpp ! src/share/vm/oops/objArrayKlassKlass.cpp ! src/share/vm/oops/objArrayKlassKlass.hpp ! src/share/vm/oops/oop.cpp ! src/share/vm/oops/symbolKlass.cpp ! src/share/vm/oops/symbolKlass.hpp ! src/share/vm/oops/typeArrayKlassKlass.cpp ! src/share/vm/oops/typeArrayKlassKlass.hpp ! src/share/vm/runtime/arguments.cpp Changeset: 136ac23d6ded Author: jrose Date: 2010-01-08 15:17 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/136ac23d6ded Merge Changeset: c3b315a0d58a Author: jrose Date: 2010-01-08 13:58 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM Summary: Put all inline-related switches into product mode, to allow tuning by dynamic language implementors. Reviewed-by: twisti, kvn ! src/share/vm/opto/bytecodeInfo.cpp ! src/share/vm/opto/doCall.cpp ! src/share/vm/opto/parse.hpp ! src/share/vm/runtime/globals.hpp Changeset: f2e64cfc2020 Author: jrose Date: 2010-01-08 18:27 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/f2e64cfc2020 Merge Changeset: 5b06c5db3e89 Author: jrose Date: 2010-01-08 22:02 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/5b06c5db3e89 Merge Changeset: f24201449cac Author: never Date: 2010-01-09 00:59 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/f24201449cac 6909839: missing unsigned compare cases for some cmoves in sparc.ad Reviewed-by: kvn, jrose ! src/cpu/sparc/vm/sparc.ad + test/compiler/6909839/Test6909839.java Changeset: 1fc01a2425ce Author: iveresov Date: 2010-01-12 13:54 -0800 URL: http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/1fc01a2425ce Merge ! src/share/vm/runtime/arguments.cpp ! src/share/vm/runtime/globals.hpp
