8186248: Allow more flexibility in selecting Heap % of available RAM
Reviewed-by: dholmes, drwhite

8186042: Optimize OopMapCache lookup
Summary: Use lock free access to oopMapCache
Reviewed-by: dholmes, sspitsyn
Contributed-by: frederic.parain@oracle.com, coleen.phillimore@oracle.com

8072061: Automatically determine optimal sizes for the CDS regions
Summary: See new C++ class MetaspaceClosure.
Reviewed-by: coleenp, jiangli, mseledtsov

8183552: Move align functions to align.hpp
Reviewed-by: stuefe, pliden

8178491: -Xss and -XX:ThreadStackSize argument parsing truncates bits
Reviewed-by: gziemski, kbarrett

8182848: Some functions misplaced in debug.hpp
Summary: moved to vmError.hpp,cpp where they seemed more appropriate
Reviewed-by: stefank, stuefe

8180421: Change default value of BiasedLockingStartupDelay to 0
Summary: As CSR 8181778
Reviewed-by: tschatzl, redestad, coleenp, dcubed

8181449: Fix debug.hpp / globalDefinitions.hpp dependency inversion
Summary: Refactor debug.hpp and reverse include dependency.
Reviewed-by: coleenp, stefank, dcubed

8181823: [AOT] jaotc doesn't work with Graal
Summary: add new flag to indicate when to calculate class fingerprint
Reviewed-by: iklam, iveresov

8181859: Monitor deflation is not checked in cleanup path
Reviewed-by: sspitsyn, dcubed, shade, cvarming

8181785: Remove the experimental ClearFPUAtPark JVM Flag
Summary: Removing the experimental and unstable ClearFPUAtPark optimization for SPARC
Reviewed-by: kbarrett, tschatzl, rehn

8176132: -XX:+PrintSharedSpaces should be converted to use Unified Logging.
Summary: Converted -XX:+PrintSharedSpaces to -Xlog:cds=info
Reviewed-by: iklam, jiangli, mseledtsov

8180423: Remove flag UseRelocIndex
Reviewed-by: kvn, thartmann

Merge

8067728: Flag::unlock_diagnostic() should be called Flag::clear_diagnostic()
Summary: Renamed function
Reviewed-by: iklam, hseigel

8179224: Cache strlen of Flag::_name
Reviewed-by: dsamersoff, jiangli, iklam, rehn

8168122: Update logging in perfMemory to Unified Logging
Summary: -XX:+PerfTraceMemOps replaced with -Xlog:perf+memops=debug, -XX:+PerfTraceDataCreation replaced with -Xlog:perf+datacreation=debug
Reviewed-by: sspitsyn, coleenp

Merge

Merge

8166944: Hanging Error Reporting steps may lead to torn error logs.
Summary: Interupt error reporting if reporting steps hang to enable subsequent reporting steps to run.
Reviewed-by: cjplummer, dholmes

Merge

8178380: Module system implementation refresh (5/2017)
Reviewed-by: lfoltan, hseigel, mchung, sspitsyn
Contributed-by: alan.bateman@oracle.com, serguei.spitsyn@oracle.com

Merge

8177963: Parallel GC fails fast when per-thread task log overflows
Summary: Instead of exiting the VM when per-thread task log overflows, print warnings once and ignore any further log addition attempt.
Reviewed-by: ysr, kbarrett, sangheki

Merge

8173151: Code heap corruption due to incorrect inclusion test
Summary: Change inclusion test to use CodeBlob::code_begin() for AOT methods and start of CodeBlob otherwise. Added regression test.
Reviewed-by: thartmann, dlong, kvn

8173825: Adjust the comment for flags UseAES, UseFMA, UseSHA in globals.hpp
Reviewed-by: kvn, clanger

8173421: Obsolete and expired flags for JDK 10 need to be removed and related tests updated
Reviewed-by: lfoltan, mikael, dcubed

8170888: [linux] Experimental support for cgroup memory limits in container (ie Docker) environments
Summary: Set apparent physical memory to cgroup memory limit when UseCGroupMemoryLimitForHeap is true
Reviewed-by: acorn, kbarrett
Contributed-by: Christine Flood <chf@redhat.com>

8171008: Integrate AOT compiler into JDK
Reviewed-by: erikj, mchung, psandoz, coleenp, iklam, stefank, simonis
Contributed-by: Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>, Christian Thalinger <cthalinger@twitter.com>, Dean Long <dean.long@oracle.com>, Dmitrij Pochepko <dmitrij.pochepko@oracle.com>, Dmitry Chuyko <dmitry.chuyko@oracle.com>, Doug Simon <doug.simon@oracle.com>, Eric Caspole <eric.caspole@oracle.com>, Igor Ignatyev <igor.ignatyev@oracle.com>, Igor Veresov <igor.veresov@oracle.com>, John Rose <john.r.rose@oracle.com>, Morris Meyer <morris.meyer@oracle.com>, Niclas Adlertz <niclas.adlertz@oracle.com>, Rickard Backman <rickard.backman@oracle.com>

8057003: Large reference arrays cause extremely long synchronization times
Summary: Slice large object arrays into parts so that the synchronization of marking threads with an STW pause request does not take long.
Reviewed-by: ehelin, pliden

8166560: [s390] Basic enablement of s390 port.
Summary: Also fix problem with ARM Elf configuration.
Reviewed-by: dholmes, coleenp

Merge

8160064: StackWalker implementation added logging option without using UL
Summary: Moved StackWalk logging to Unified Logging framework
Reviewed-by: coleenp, mockner, dholmes, mchung

Merge

8154122: Intrinsify fused mac operations
Summary: added FMA intrinsics on x86
Reviewed-by: kvn, aph, darcy

8157952: Parallelize Memory Pretouch
Summary: Use multiple threads to pretouch memory using -XX:+AlwaysPreTouch to use more memory bandwidth
Reviewed-by: jmasa, sangheki

Merge

8163864: [JVMCI] move MethodProfileWidth to jvmci_globals.hpp
Reviewed-by: zmajo

8163146: Remove os::check_heap on Windows
Reviewed-by: gtriantafill, coleenp, stuefe

8162881: Effect of -XX:CICompilerCount depends on ordering of other flags
Summary: Value of CICompilerCount should be range checked after ergo. Don't create C2 compiler threads with TieredStopAtLevel=1.
Reviewed-by: kvn

8159073: : Error handling incomplete when creating GC threads lazily
Reviewed-by: drwhite, tschatzl, sangheki

Merge

Merge

8132318: -XX:TraceJumps is broken on Sparc
Reviewed-by: kvn, thartmann

8140723: Remove source code conditionalized on JAVASE_EMBEDDED
Reviewed-by: twisti, fparain, cjplummer

8161258: Simplify including platform files.
Summary: Include patform files with macros cpu_header() etc. Do various cleanups of macro usages. Remove _64/_32 from adlc generated files and platform .hpp files. Merge stubRoutines_x86*.hpp. Remove empty mutex_<os>* files.
Reviewed-by: dholmes, coleenp, kbarrett

8048093: Explicitly setting := vs = in the -XX:+PrintFlagsFinal output
Reviewed-by: kvn, gziemski

Merge

8159370: Add FlagGuard for easier modification of flags for unit tests
Reviewed-by: kbarrett, jwilhelm

8150900: Implement diagnostic_pd
Reviewed-by: twisti, gziemski, kevinw

Merge

Merge

Merge

8153655: Make intrinsics flags diagnostic and update intrinsics tests to enable diagnostic options
Summary: converted all intrinsics flags to diagnostic and updated related intrinsics tests to enable diagnostic options
Reviewed-by: kvn

8073500: Prevent certain commercial flags from being changed at runtime
Summary: Implement new writeable mechanism for flag control
Reviewed-by: coleenp, iklam

Merge

8153535: Convert TraceRedefineClasses to Unified Logging
Reviewed-by: rprotacio, coleenp

8149591: Prepare hotspot for GTest
Reviewed-by: jwilhelm
Contributed-by: stefan.karlsson@oracle.com, stefan.sarne@oracle.com, jesper.wilhelmsson@oracle.com, erik.helin@oracle.com, alexandre.iline@oracle.com, igor.ignatyev@oracle.com

Merge

8153340: Disallow misconfiguration and improve the consistency of allocation prefetching
Summary: Improve allocation prefetching.
Reviewed-by: kvn

8153835: Fix range of flag MaxDirectMemorySize which is parsed at jlong
Summary: Changed MaxDirectMemorySize type to uint64_t and set max to max_jlong
Reviewed-by: goetz, simonis

8149442: MonitorInUseLists should be on by default, deflate idle monitors taking too long
Summary: MonitorInUseLists on by default
Reviewed-by: rbackman, mlarsson

8154745: Move default G1 pause time target setup to argument parsing
Reviewed-by: ehelin, sjohanss

8152491: Convert TracePageSizes to use UL
Reviewed-by: sjohanss, pliden

Merge

8153123: Streamline StackWalker code
Reviewed-by: coleenp, dfuchs, mchung, redestad

8152182: Possible overflow in initialzation of _rescan_task_size and _marking_task_size
Summary: Add constraints for CMSRescanMultiple and CMSConcMarkMultiple flags
Reviewed-by: jwilhelm, jmasa

Merge

8152896: Convert PrintCompressedOopsMode to Unified Logging
Summary: Converted -XX:+PrintCompressedOopsMode to -Xlog:gc+heap+coops and aliased old option
Reviewed-by: coleenp, sjohanss, kvn, hseigel

Merge

8151724: Remove -XX:GenerateCompilerNullChecks
Summary: Removed the broken GenerateCompilerNullChecks flag.
Reviewed-by: zmajo, kvn

8153816: [BACKOUT] Make intrinsics flags diagnostic
Summary: Backout fix for 8145348
Reviewed-by: kvn, jwilhelm

Merge

8152188: Allow CMSBitMapYieldQuantum for BitMap::clear_range and clear_large_range
Summary: Let BitMap::clear_large_range call clear_range instead of firing an assert
Reviewed-by: jmasa, jwilhelm

8152176: Big ParGCCardsPerStrideChunk values can cause overflow for CMS GC
Summary: Limit the max value of ParGCCardsPerStrideChunk based on card table size and other stride flags
Reviewed-by: jmasa, tbenson

8153187: Convert TraceWorkGang to use unified logging
Reviewed-by: mgerdin, tschatzl

8153186: Convert TraceGCTaskThread to use unified logging
Reviewed-by: mgerdin, tschatzl

Merge

8143958: CDS Shared flags need constraint function
Summary: Implement range constraints for CDS flags.
Reviewed-by: iklam, jiangli

8142510: -XX:+PrintFlagsRanges should print default range value for those flags that have constraint and an implicit range.
Summary: Implemented default ranges for flags with constraints and no explicit ranges
Reviewed-by: ddmitriev, coleenp

Merge

Merge

8150084: Convert TraceMonitorMismatch to Unified Logging.
Summary: TraceMonitorMismatch has been converted to Unified Logging.
Reviewed-by: coleenp, rprotacio

8149996: TraceLoaderConstraints has been converted to Unified Logging.
Summary: TraceLoaderConstraints has been converted to Unified Logging.
Reviewed-by: coleenp, dholmes, rprotacio

8146947: Remove PrintOopAddress rather than converting to UL
Summary: Deprecated PrintOopAddress and made functionality default
Reviewed-by: coleenp, stefank

8146436: Add -XX:-ShrinkHeapInSteps option (previously -XX:+UseAggressiveHeapShrink)
Summary: Added ShrinkHeapInSteps option.
Reviewed-by: jmasa, tbenson

Merge

8151845: Comment in globals.hpp for MetaspaceSize is incorrect.
Reviewed-by: drwhite, stefank

8151912: guarantee(GCPauseIntervalMillis >= 1) failed: Constraint for GCPauseIntervalMillis should guarantee that value is >= 1
Reviewed-by: tbenson, tschatzl

8150085: Convert TraceClearedExceptions to Unified Loggin
Summary: Converted -XX:+TraceClearedExceptions to -Xlog:exceptions=debug
Reviewed-by: mockner, dholmes, coleenp

8149995: TraceClassLoadingPreorder has been converted to Unified Logging.
Summary: TraceClassLoadingPreorder has been converted to Unified Logging. Logging alias table now has extra columns to support multi-tag configurations.
Reviewed-by: iklam, coleenp

8151304: Remove unused develop options(ClearInterpreterLocals and others)
Reviewed-by: coleenp, jwilhelm

8145312: CMS: There is insufficient memory with CMSSamplingGrain=1
Summary: Change minimum range and add constraint function for CMSSamplingGrain flag
Reviewed-by: jmasa, ddmitriev

8150083: Convert VerboseVerification to Unified Logging
Summary: Converted -XX:+VerboseVerfication to -Xlog:verboseverification=info
Reviewed-by: hseigel, dholmes

8149991: Convert TraceSafepointCleanupTime to Unified Logging
Summary: Converted TraceSafepointCleanupTime to -Xlog:safepointcleanup=info
Reviewed-by: hseigel, mockner, ddmitriev, dholmes, coleenp

8145348: Make intrinsics flags diagnostic.
Summary: Converted product or develop intrinsics flags to diagnostic.
Reviewed-by: kvn

Merge

8146850: Remove TraceHandleAllocation rather than converting to UL
8149850: Remove HandleAllocationLimit and TotalHandleAllocationLimit when removing TraceHandleAllocation
Summary: Removed TraceHandleAllocation, HandleAllocationLimit and TotalHandleAllocationLimit flags
Reviewed-by: coleenp, dholmes

8145204: JVM can hang when ParGCArrayScanChunk=4294967296 and ParallelGC is used
Summary: Changed the max value of ParGCArrayScanChunk to max_jint/3
Reviewed-by: jwilhelm, drwhite

Merge

Merge

8140721: ProfilerNumberOf*Methods flags should be diagnostic.
Summary: Converted four ProfilerNumberOf*Methods flags from develop to diagnostic.
Reviewed-by: twisti

8150767: Enables SHA Extensions on x86
Summary: Add x86 intrinsics for SHA-1 and SHA-256.
Reviewed-by: kvn, twisti
Contributed-by: vivek.r.deshpande@intel.com, shravya.rukmannagari@intel.com

8146801: Allocating short arrays of non-constant size is slow
Reviewed-by: kvn, twisti, vlivanov

8146849: Remove TraceJNIHandleAllocation rather than converting to UL
Summary: Removed TraceJNIHandleAllocation
Reviewed-by: coleenp, dholmes

8149064: TraceProtectionDomainVerification has been converted to Unified Logging.
Summary: TraceProtectionDomainVerification has been converted to Unified Logging with tag protectiondomain.
Reviewed-by: coleenp, iklam

8144732: VM_HeapDumper hits assert with bad dump_len
Reviewed-by: dsamersoff

8150103: Convert TraceClassPaths to Unified Logging
Summary: TraceClassPaths has been reimplemented with Unified Logging
Reviewed-by: coleenp, dholmes, iklam

8149383: Convert TraceBiasedLocking to Unified Logging
Summary: The former -XX:+TraceBiasedLocking flag has been converted to the UL option -Xlog:biasedlocking=info and =trace, with the old option being aliased.
Reviewed-by: dholmes, dcubed

8148630: Convert TraceStartupTime to Unified Logging
Summary: The former -XX:+TraceStartupTime flag has been converted to the UL option -Xlog:startuptime=info
Reviewed-by: coleenp, dholmes

Merge

8147379: Investigate if ConvertSleepToYield still should be false by default on Sparc
Reviewed-by: dcubed, sjohanss

8145725: Remove the WorkAroundNPTLTimedWaitHang workaround
Reviewed-by: ddmitriev, stuefe, dcubed

8143220: Fix documentation of InitiatingHeapOccupancyPercent
Summary: Adjust internal flag documentation to how it currently works.
Reviewed-by: brutisso, jmasa, tamao

Merge

8144916: Decrease PerfDataMemorySize back to 32K
Reviewed-by: mlarsson, sla
Contributed-by: robbin.ehn@oracle.com

Merge

8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
Summary: TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData have been reimplemented using Unified logging.
Reviewed-by: iklam, coleenp, dholmes, jiangli, hseigel, rprotacio
Contributed-by: max.ockner@oracle.com, ioi.lam@oracle.com

Merge

8145190: MinTLABSize can cause overflow problem with CMS GC
Summary: Changed max range of MinTLABSize from max_uintx to max_uintx/2
Reviewed-by: jwilhelm, tbenson

8145180: Add back PrintGC, PrintGCDetails and -Xloggc
Reviewed-by: sjohanss, david

8145192: 'count' variable can overflow in PSMarkSweep::invoke on 64 bit JVM
Summary: Changed MarkSweepAlwaysCompactCount from uintx to uint
Reviewed-by: tschatzl, tbenson

Merge

8146478: Node limit exceeded with -XX:AllocateInstancePrefetchLines=1073741823
Summary: Constrain the set of accepted values for the Allocate{PrefetchLines, InstancePrefetchLines, PrefetchStepSize, PrefetchDistance} flags. Increase macro node expansion budget.
Reviewed-by: kvn

Merge

8145336: PPC64: fix string intrinsics after CompactStrings change
Reviewed-by: mdoerr, aph, kvn

8072725: Provide more granular levels for GC verification
Summary: Add option VerifySubSet to selectively verify the memory sub-systems
Reviewed-by: kevinw, jmasa, tschatzl, dfazunen

Merge

8146690: Make all classes in GC follow the naming convention.
Reviewed-by: dholmes, stefank

8141564: Convert TraceItables and PrintVtables to Unified Logging
Summary: The former -XX:+TraceItables and +PrintVtables flags have been converted to UL options -Xlog:itables=trace and vtables=trace
Reviewed-by: acorn, coleenp, dholmes

Merge

8144874: Reimplement TraceClassResolution with Unified Logging.
Summary: TraceClassResolution reimplemented with classresolve tag.
Reviewed-by: coleenp, dholmes, iklam, rprotacio

8141211: Convert TraceExceptions to Unified Logging
Summary: The -XX:+TraceExceptions flag has been updated to the unified logging framework, i.e. -Xlog:exceptions. The old flag, because it is product-level, has been aliased to the UL option.
Reviewed-by: dholmes, coleenp, mockner

8144949: TestOptionsWithRanges -XX:NUMAInterleaveGranularity=2147483648 crashes VM
Summary: Changed max range to 2G/8192G for NUMAInterleaveGranularity and removed constraint function
Reviewed-by: jwilhelm, jmasa

8139864: Improve handling of stack protection zones.
Reviewed-by: stuefe, coleenp, fparain

8145153: Convert TraceMonitorInflation to Unified Logging
Summary: Updated -XX:+TraceMonitorInflation flag to -Xlog:monitorinflation=debug, with an alias (and related alias table) to support the old option.
Reviewed-by: dholmes, mockner, coleenp

8143925: Enhancing CounterMode.crypt() for AES
Summary: Add intrinsic for CounterMode.crypt() to leverage the parallel nature of AES in Counter(CTR) Mode.
Reviewed-by: kvn, ascarpino
Contributed-by: kishor.kharbas@intel.com

Merge

8144246: adding lots of directives via jcmd may produce OOM crash
Summary: Add a limit to the number of directives
Reviewed-by: kvn

8143355: Update for addition of vectorizedMismatch intrinsic for x86
Reviewed-by: kvn
Contributed-by: vivek.r.deshpande@intel.com, liqi.yi@intel.com

8046936: JEP 270: Reserved Stack Areas for Critical Sections
Reviewed-by: acorn, dcubed

8145092: Use Unified Logging for the GC logging
Summary: JEP-271. VM changes contributed by brutisso, test changes contributed by david.
Reviewed-by: sjohanss, david, brutisso
Contributed-by: bengt.rutisson@oracle.com, david.lindholm@oralce.com

8138745: Implement ExitOnOutOfMemory and CrashOnOutOfMemory in HotSpot
Reviewed-by: dholmes, sla
Contributed-by: cheleswer.sahu@oracle.com

8142341: GC: current flags need ranges to be implemented
Summary: Add explicit ranges and constraint for all gc flags
Reviewed-by: jwilhelm, gziemski, ddmitriev, tbenson

Merge

8142976: Reimplement TraceClassInitialization with Unified Logging
Summary: TraceClassInitialization logging reimplemented with Unified Logging.
Reviewed-by: coleenp, hseigel

Merge

Merge

8143155: Remove TraceRuntimeCalls, TraceJNICalls, and TraceJVMCalls rather than convert to UL
Summary: Removed TraceRuntimeCalls, TraceJNICalls, and TraceJVMCalls options because their output is excessive, not useful, and covered in a more useful way by other options.
Reviewed-by: coleenp, dholmes, ddmitriev

8143911: Reintegrate JEP 259: Stack-Walking API
Reviewed-by: coleenp, dfuchs, bchristi, psandoz, sspitsyn
Contributed-by: Mandy Chung <mandy.chung@oracle.com>, Brent Christian <brent.christian@oracle.com>, Daniel Fuchs <daniel.fuchs@oracle.com>, Hamlin Li <huaming.li@oracle.com>

8143931: Back out JDK-8140450
Reviewed-by: coleenp

Merge

8143157: Convert TraceVMOperation to Unified Logging
Summary: The former -XX:+TraceVMOperation flag is updated to the unified logging framework and is now replaced with -Xlog:vmoperation in product mode.
Reviewed-by: coleenp, dholmes, mockner

8140450: Implement JEP 259: Stack-Walking API
Reviewed-by: coleenp, dfuchs, bchristi, psandoz, sspitsyn
Contributed-by: Mandy Chung <mandy.chung@oracle.com>, Brent Christian <brent.christian@oracle.com>, Daniel Fuchs <daniel.fuchs@oracle.com>, Hamlin Li <huaming.li@oracle.com>

8138983: Runtime: implement ranges for Shared*** flags
Summary: Implement ranges.
Reviewed-by: ddmitriev, dholmes, jiangli

Merge

8141641: Runtime: implement range for ErrorLogTimeout
Summary: Implement range=(0, jlong_max/1000)
Reviewed-by: coleenp, ddmitriev, dholmes

Merge

8143616: Cleanup: Remove unused PrintNMethodsAtLevel flag
Summary: Remove the unused PrintNMethodsAtLevel flag.
Reviewed-by: roland

Merge

Merge

8140327: segfault on solaris-amd64 with "-XX:CompilerThreadStackSize=1" option
Summary: Update range for the CompilerThreadStackSize flag. Remove flag from testing.
Reviewed-by: kvn

8140424: don't prefix developer and notproduct flag variables with CONST_ in product builds
Reviewed-by: goetz, stefank

8141024: [Solaris] Obsolete UseAltSigs
Reviewed-by: dcubed, ddmitriev

8142475: Remove TraceParallelOldGCTasks
Reviewed-by: tschatzl, david

Merge

8140404: Revert the removal of CMSTestInFreeList
Reviewed-by: jmasa, brutisso

8139765: set_numeric_flag can call Flag::find_flag to determine the flag type
Reviewed-by: jiangli, gziemski

8140348: Convert TraceSafepoint to Unified Logging
Summary: The former -XX:+TraceSafepoint flag is updated to the unified logging framework and is now replaced with -Xlog:safepoint in product mode.
Reviewed-by: coleenp, hseigel

8141042: Typos and refactoring in Compiler constraints functions
Reviewed-by: vlivanov, zmajo, kvn

8139564: Convert TraceDefaultMethods to Unified Logging
Summary: The former -XX:+TraceDefaultMethods flag is updated to the unified logging framework and is now replaced with -Xlog:defaultmethods.
Reviewed-by: acorn, coleenp, hseigel

8131045: Obsolete JNIDetachReleasesMonitors
Reviewed-by: dcubed, dsimms, sspitsyn

Merge

8140389: Remove StringCharIntrinsics flag after JDK-8138651 is fixed
Reviewed-by: kvn, zmajo

8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>

Merge

8139891: Prepare Unsafe for true encapsulation
Reviewed-by: alanb, dholmes, jrose, psandoz, twisti

8129855: "-XX:+IgnoreUnrecognizedVMOptions" hides out of range VM options.
Summary: Implement strict spec rgarding how IgnoreUnrecognizedVMOptions works, supplied with the corresponding test case.
Reviewed-by: dcubed, ddmitriev

8139952: Remove UseCMSAdaptiveFreeLists, UseAsyncConcMarkSweepGC, CMSDictionaryChoice, CMSOverflowEarlyRestoration and CMSTestInFreeList
Reviewed-by: jwilhelm, ecaspole

Merge

8137167: JEP165: Compiler Control: Implementation task
Summary: Compiler Control JEP
Reviewed-by: roland, twisti, zmajo, simonis

Merge

8139277: Remove ScavengeWithObjectsInToSpace, ParallelOldGCSplitALot, ParallelOldGCSplitInterval, PSAdjustTenuredGenForMinorPause and PSAdjustYoungGenForMajorPause
Reviewed-by: tschatzl, sjohanss

8078556: Runtime: implement ranges (optionally constraints) for those flags that have them missing.
Summary: JEP 245: implement ranges and constraints for runtime flags.
Reviewed-by: coleenp, ddmitriev, jiangli, goetz
Contributed-by: goetz.lindenmaier@sap.com, gerard.ziemski@oracle.com

8136577: Make AbortVMOnException available in product builds
Reviewed-by: coleenp

Merge

8139377: JVM can't be started w/ -XX:+EnableJVMCI -XX:+UseJVMCICompiler and default TypeProfileWidth
Summary: Raise upper bound of TypeProfileWidth from 4 to 8.
Reviewed-by: iveresov, twisti

8078554: Compiler: implement ranges (optionally constraints) for those flags that have them missing
Summary: Add range check or constraint where necessary.
Reviewed-by: roland, thartmann

8136421: JEP 243: Java-Level JVM Compiler Interface
Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett

8134995: [REDO] GC: implement ranges (optionally constraints) for those flags that have them missing
Summary: Add ranges and constraint functions for GC flags.
Reviewed-by: kbarrett, jmasa, jwilhelm, gziemski, zmajo

Merge

8135068: Extract method matchers from CompilerOracle
Summary: Ecapsulate code to enable reuse
Reviewed-by: roland, kvn

8136406: Remove ZapDeadCompiledLocals code
Summary: Dead code elimination.
Reviewed-by: roland, twisti

8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
Summary: Add support for alias options and automatically expiring deprecated options
Reviewed-by: dholmes, kbarrett, acorn
Contributed-by: derek.white@oracle.com

Merge

8134626: Misc cleanups after generation array removal
Reviewed-by: david, dholmes, tschatzl

8087181: Move native jimage code to its own library (maybe libjimage)
Reviewed-by: alanb, lfoltan, hseigel, acorn
Contributed-by: james.laskey@oracle.com, jean-francois.denise@oracle.com, roger.riggs@oracle.com

8134972: [BACKOUT] GC: implement ranges (optionally constraints) for those flags that have them missing
Reviewed-by: jwilhelm

8078555: GC: implement ranges (optionally constraints) for those flags that have them missing
Summary: Add ranges and constraint functions for GC flags.
Reviewed-by: jmasa, kbarrett, gziemski, ddmitriev, drwhite

8131330: G1CollectedHeap::verify_dirty_young_list fails with assert
Summary: Use assembly loop to avoid compiler optimization into memset
Reviewed-by: ecaspole, tschatzl

8132081: C2 support for Adler32 on SPARC
Summary: Add C2 instrinsic support for Adler32 checksum on SPARC.
Reviewed-by: kvn
Contributed-by: ahmed.khawaja@oracle.com

8087324: Use semaphores when starting and stopping GC task threads
Reviewed-by: jmasa, sjohanss

8112746: Followup to JDK-8059557 (JEP 245)
Summary: Several improvements to range/constraint check feature.
Reviewed-by: coleenp, ddmitriev, sangheki, kbarrett

8098791: Remove PrintClassStatistics and PrintMethodStatistics
Summary: PrintClassStatistics and PrintMethodStatistics have been removed.
Reviewed-by: coleenp, iklam

Merge

Merge

8132457: Unify command-line flags controlling the usage of compiler intrinsics
Summary: Cleanup processing of command-line flags controlling intrinsics.
Reviewed-by: kvn

8132876: Increase PerfDataMemorySize to 64K
Reviewed-by: sspitsyn

Merge

8130459: Add additional validation after heap creation
Summary: Some PLAB related flags' validation can happen after heap creation. Introduced additional stage of validation check.
Reviewed-by: coleenp, dholmes, kbarrett, gziemski, ecaspole, ddmitriev

Merge

8132286: change 'InlineNotify' flag option from "product" to "diagnostic"
Reviewed-by: coleenp

8130858: CICompilerCount=1 when tiered is off is not allowed any more
Summary: 8122937 broke handling of CICompilerCount
Reviewed-by: kvn, vlivanov, gziemski

Merge

Merge

8131326: Enable CheckIntrinsics in all types of builds
Summary: Enable CheckIntrinsics flag in all builds; make check for orphan methods available only in debug builds.
Reviewed-by: kvn

8075171: Contended Locking fast notify bucket
Summary: JEP-143/JDK-8073165 Contended Locking fast notify bucket
Reviewed-by: dholmes, acorn, dice, dcubed
Contributed-by: dave.dice@oracle.com, karen.kinnear@oracle.com, daniel.daugherty@oracle.com

8025692: Log what methods are touched at run-time
Summary: Added two diagnostic flags, LogTouchedMethods and PrintTouchedMethodsAtExit to list all methods that have been touched at run time. Added new jcmd, VM.print_touched_methods.
Reviewed-by: acorn, iklam

8130332: StarvationMonitorInterval, PreInflateSpin, VerifyGenericSignatures and CountInterpCalls VM Options can be deprecated or removed in JDK 9
Summary: Deprecate StarvationMonitorInterval and PreInflateSpin, remove VerifyGenericSignatures and CountInterpCalls
Reviewed-by: coleenp, gziemski

8130728: Disable WorkAroundNPTLTimedWaitHang by default
Reviewed-by: dcubed

Merge

Merge

Merge

8073423: Remove LazyClassPathEntry support if no longer needed
Summary: Remove LazyClassPathEntry support and deprecate -XX:+LazyBootClassLoader
Reviewed-by: acorn, lfoltan

8080925: Make error log write timeout parameter configurable
Reviewed-by: sla, coleenp, ctornqvi, dholmes

8080511: Refresh of jimage support
Reviewed-by: alanb, mchung, psandoz, acorn, lfoltan, ctornqvi
Contributed-by: james.laskey@oracle.com, jean-francois.denise@oracle.com, sundararajan.athijegannathan@oracle.com

8130120: Handling of SHA intrinsics inconsistent across platforms
Summary: Introduce common warning message and common processing of SHA intrinsic-related arguments.
Reviewed-by: kvn, mcberg

8076112: Add @HotSpotIntrinsicCandidate annotation to indicate methods for which Java Runtime has intrinsics
Summary: Annotate possibly intrinsified methods with @HotSpotIntrinsicCandidate. Add checks omitted by intrinsics to the library code. Add CheckIntrinsics flags to check consistency of intrinsics.
Reviewed-by: jrose, kvn, thartmann, vlivanov, abuckley, darcy, ascarpino, briangoetz, alanb, aph, dnsimon

8073583: C2 support for CRC32C on SPARC
Reviewed-by: jrose, kvn
Contributed-by: james.cheng@oracle.com

Merge

Merge

8073108: Use x86 and SPARC CPU instructions for GHASH acceleration
Reviewed-by: kvn, jrose

8078513: [linux] Clean up code relevant to LinuxThreads implementation
Reviewed-by: dholmes, sla, coleenp, simonis

8122937: [JEP 245] Validate JVM Command-Line Flag Arguments.
Summary: Validate the arguments to all JVM command-line flags so as to avoid crashes, and ensure that appropriate error messages are displayed when they are invalid.
Reviewed-by: ddmitriev, dholmes, kbarrett, drwhite, brutisso, coleenp

8081382: Make flags ParallelGCThreads and ConcGCThreads of type uint
Reviewed-by: drwhite, stefank

8080947: Add uint as a valid VM flag type
Reviewed-by: brutisso, ddmitriev

Merge

8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
Summary: Introduce the PreserveFramePointer flag to control if RBP is used as the frame pointer or as a general purpose register.
Reviewed-by: kvn, roland, dlong, enevill, shade

8076987: C1 should support conditional card marks (UseCondCardMark)
Reviewed-by: iveresov, roland

Merge

8074546: Rename and clean up the ParGCAllocBuffer class
Summary: Rename ParGCAllocBuffer to PLAB and rename affected files.
Reviewed-by: tschatzl, kbarrett

8078193: BACKOUT: Rename and clean up the ParGCAllocBuffer class
Summary: Back out the problem change set.
Reviewed-by: brutisso, tschatzl

Merge

8077938: Remove TraceMarkSweep
Reviewed-by: sjohanss, jmasa

8074545: Rename and clean up the ParGCAllocBuffer class
Summary: Rename ParGCAllocBuffer to PLAB and rename affected files.
Reviewed-by: tschatzl, kbarrett

8074026: Deprecated UseBoundThreads, DefaultThreadPriority and NoYieldsInMicrolock VM options still defined in globals.hpp
Reviewed-by: dholmes, mseledtsov

Merge

8074354: Make CreateMinidumpOnCrash a new name and available on all platforms
Summary: Rename CreateMinidumpOnCrash which is used only for Windows as CreateCoredumpOnCrash and make it available for all platforms. Changed order for dumping core on Windows to be similar on other platforms. Also reviewed by thomas.stuefe@gmail.com
Reviewed-by: dcubed
Contributed-by: yumin.qi@oracle.com, thomas.stuefe@gmail.com

Merge

8026049: (bf) Intrinsify ByteBuffer.put{Int, Double, Float, ...} methods
Summary: Use unaligned Unsafe loads and stores for ByteBuffer access on platforms which support unaligned access. Add intrinsics for Unsafe.{get,put}-X-Unaligned methods.
Reviewed-by: dholmes, jrose, psandoz, kvn

Merge

8005521: StressMethodComparator is not thread-safe
Summary: Remove the debug option. It isn't correct or tested.
Reviewed-by: gtriantafill, dholmes, sspitsyn

Merge

8074459: Flags handling memory sizes should be of type size_t
Summary: Changed the type to size_t for flags that handles memory sizes
Reviewed-by: kbarrett, tschatzl

8074552: SafeFetch32 and SafeFetchN do not work in error handling
Reviewed-by: dholmes, goetz
Contributed-by: Thomas Stufe <thomas.stuefe@gmail.com>

Merge

8073861: Unused VM Options in JDK9 HotSpot
Reviewed-by: dholmes, lfoltan
Contributed-by: Dmitry Dmitriev <dmitry.dmitriev@oracle.com>

Merge

Merge

Merge

8064611: AARCH64: Changes to HotSpot shared code
Summary: Everything except cpu/ and os_cpu/
Reviewed-by: dholmes, goetz, dlong, coleenp, kvn

Merge

8072621: Clean up around VM_GC_Operations
Reviewed-by: brutisso, jmasa

Merge

8068976: Remove JSDT implementation
Reviewed-by: sla, mchung, dholmes

8065895: Synchronous signals during error reporting may terminate or hang VM process
Reviewed-by: dholmes, gziemski
Contributed-by: Thomas Stuefe <thomas.stuefe@gmail.com>

Merge

8072688: Description of flag ExplicitGCInvokesConcurrent should mention G1 as well
Summary: Changed to a more generic description.
Reviewed-by: mgerdin, tschatzl

8072398: assert fails in L1RGenerator::increment_event_counter_impl
Summary: Change scaling code to allow scaling with 0.0; change set_tiered_flags() to treat CompileThresholdScaling==0.0 in a special way.
Reviewed-by: kvn, iveresov

8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
Summary: Changed interpreter and compilation policies to allow using CompileThresholdScaling on a per-method level
Reviewed-by: jrose, kvn

8068396: Rename assert() to vmassert()
Summary: Macro renaming, with temporary old name synonyms for compatibilty
Reviewed-by: ehelin, dholmes, coleenp

8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
Summary: Introduce compressed oops mode disjoint base and improve compressed heap handling.
Reviewed-by: kvn, coleenp

Merge

8059510: Compact symbol table layout inside shared archive.
Summary: Use separate compact table for shared symbols.
Reviewed-by: iklam, gziemski, shade, sla, jrose

Merge

8061611: Remove deprecated command line flags
Reviewed-by: jwilhelm, brutisso

8064319: Need to enable -XX:+TraceExceptions in release builds
Summary: "-XX:+TraceExceptions" is now supported in product builds.
Reviewed-by: sla, ccheung, coleenp
Contributed-by: max.ockner@oracle.com

Merge

Merge

8064865: Remove the debug funciontality RotateCMSCollectionTypes for CMS
Reviewed-by: jmasa, kbarrett, ysr

8064702: Remove the CMS foreground collector
Reviewed-by: kbarrett, ysr

Merge

Merge

8064749: -XX:-UseCompilerSafepoints breaks safepoint rendezvous
Reviewed-by: dcubed, coleenp, kvn, dholmes

8062307: 'Reference handler' thread triggers assert w/ TraceThreadEvents
Summary: Removed unused and non-working TraceThreadEvents option
Reviewed-by: coleenp, jiangli

Merge

Merge

8061308: Remove iCMS
Reviewed-by: mgerdin, jmasa

8049367: Modular Run-Time Images
Reviewed-by: chegar, dfuchs, ihse, joehw, mullan, psandoz, wetmore
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, bradford.wetmore@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, james.laskey@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com, sundararajan.athijegannathan@oracle.com

8043770: File leak in MemNotifyThread::start() in hotspot.src.os.linux.vm.os_linux.cpp
Summary: Fixed by removing all code related to LowMemoryProtection, which removed offending code.
Reviewed-by: dholmes, minqi

8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
Summary: Use separate sweeper thread; enables more aggressive sweeping.
Reviewed-by: kvn, jrose

8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
Summary: Changed 'get*VMFlag' to return all flags. Added methods 'isLockedVMFlag' and 'isConstantVMFlag' and adapted tests.
Reviewed-by: kvn, dholmes, sla

Merge

Merge

8047934: Adding new API for unlocking diagnostic argument.
Summary: New API for unlocking diagnostic argument.
Reviewed-by: dholmes, ccheung, egahlin, iklam, bdelsart

Merge

8027428: Different conditions for printing taskqueue statistics for parallel gc, parNew and G1
Summary: Changed flag names for printing taskqueue and termination statistics for parallel gc, parNew and G1.
Reviewed-by: jwilhelm, brutisso, tschatzl
Contributed-by: sangheon.kim@oracle.com

8059604: Add CompileThresholdScaling flag to control when methods are first compiled (with and withour TieredCompilation)
Summary: This patch adds a new flag (CompileThresholdScaling) to control when methods are first compiled
Reviewed-by: anoll, iveresov, kvn

8059847: complement JDK-8055286 and JDK-8056964 changes
Summary: Extend scan_flag_and_value() to process flag of type double. Add regression test compiler/oracle/CheckCompileCommandOption.java.
Reviewed-by: kvn, anoll

8044269: Analysis of archive files.
Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene

8038903: More native monitor monitoring
Summary: Moved ntive monitor monitoring flags to experimental
Reviewed-by: acorn, hseigel, mschoene

8059468: Fix PrintCodeCache output changed by JDK-8059137
Summary: Change output of PrintCodeCache to print "CodeCache" instead of "Code Cache" and change name of non-method code heap to non-nmethod code heap.
Reviewed-by: vlivanov, anoll

8058968: Compiler time traces should be improved
Summary: Use CITime consistently, make C2 to report to CompilerBroker, more probes.
Reviewed-by: vlivanov, jrose

8015774: Add support for multiple code heaps
Summary: Support for segmentation of the code cache. Separate code heaps are created and used to store code of different types.
Reviewed-by: kvn, iveresov, roland, anoll, egahlin, sla

8054889: Compiler team's implementation task
Summary: Adding three new diagnostic commands for compiler
Reviewed-by: anoll, kvn, drchase

Merge

8046070: Class Data Sharing clean up and refactoring
Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

Merge

8054823: Add size_t as a valid VM flag type
Reviewed-by: kvn, vlivanov, sla

8003426: Remove UseFastAccessors and UseFastEmptyMethods except for zero
Summary: These options have been long disabled in Xmixed mode because they prevent these small methods from being inlined and are subject to bit rot, and we don't need more macro assembler code to maintain and change if the constant pool cache format changes.
Reviewed-by: simonis, kvn

Merge

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

8048269: Add flag to turn off class unloading after G1 concurrent mark
Summary: Added -XX:+/-ClassUnloadingWithConcurrentMark
Reviewed-by: jmasa, brutisso, mgerdin

8031323: Optionally align objects copied to survivor spaces
Reviewed-by: brutisso, tschatzl

8046919: jni_PushLocalFrame OOM - increase MAX_REASONABLE_LOCAL_CAPACITY
Summary: Increase the previous limit from 4k to 64k, added "-XX:MaxJNILocalCapacity=<capacity>" flag
Reviewed-by: hseigel, fparain

8047104: cleanup misc issues prior to Contended Locking reorder and cache
Summary: Checkpoint misc cleanups for Contended Locking prior to first optimization bucket.
Reviewed-by: dholmes, sspitsyn, dice

8043607: Add a GC id as a log decoration similar to PrintGCTimeStamps
Reviewed-by: jwilhelm, ehelin, tschatzl

Merge

8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC
Summary: Add C2 SHA intrinsics on SPARC
Reviewed-by: kvn, roland
Contributed-by: james.cheng@oracle.com

Merge

8042298: Remove the names gen0 and gen1 from the GC code
Summary: Renamed gen0 and gen1 to young and old throughout the GC code.
Reviewed-by: sjohanss, jcoomes

8044339: Update FilterSpuriousWakeups documentation. Review "Solaris only" vm options descriptions
Reviewed-by: kvn, dholmes, iignatyev

8038756: new WB API :: get/setVMFlag
Reviewed-by: vlivanov, sla

Merge

8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
Summary: The fix removes all UseNewReflection/ReflectionWrapResolutionErrors occurrences/logic and adds them into the list of obsolete_jvm_flags in arguments.cpp.
Reviewed-by: coleenp, hseigel
Contributed-by: ygaevsky@azulsystems.com

Merge

8032463: VirtualDispatch test timeout with DeoptimizeALot
Summary: Introduce code aging for warm method detection
Reviewed-by: kvn, twisti

8021770: BackEdgeThreshold option is no longer used and should be removed
Summary: The BackEdgeThreshold option is removed because it is no longer used.
Reviewed-by: twisti, kvn, cjplummer
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>

Merge

8032551: Remove UsePPCLWSYNC from globals.hpp
Reviewed-by: lfoltan, zgu

8036956: remove EnableInvokeDynamic flag
Summary: The EnableInvokeDynamic flag and all support code is removed because it is not longer used in JDK 9.
Reviewed-by: kvn, twisti
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>

8038265: CMS: enable time based triggering of concurrent cycles
Reviewed-by: mgerdin, brutisso
Contributed-by: michal@frajt.eu

Merge

8037970: make PrintMethodData a diagnostic options
Summary: make PrintMethodData a diagnostic options for performance investigation
Reviewed-by: kvn, iveresov

7090324: gclog rotation via external tool
Summary: GC log rotation can be set via java command line, but customer sometime need to sync with OS level rotation setting.
Reviewed-by: sla, minqi, ehelin
Contributed-by: suenaga.yasumasa@lab.ntt.co.jp

Merge

8029075: String deduplication in G1
Summary: Implementation of JEP 192, http://openjdk.java.net/jeps/192
Reviewed-by: brutisso, tschatzl, coleenp

Merge

8036128: Remove deprecated VM flag UseVMInterruptibleIO
Reviewed-by: acorn, dholmes, dcubed, coleenp

8029799: vm/mlvm/anonloader/stress/oome prints warning: CodeHeap: # of free blocks > 10000
Summary: Double CodeCacheSegmentSize from 64 byte to 128 bytes if tiered compilation is enabled
Reviewed-by: kvn, twisti

8035828: Turn on @Stable support in VM
Reviewed-by: jrose, twisti

8035887: VM crashes trying to force inlining the recursive call
Reviewed-by: kvn, twisti

8031818: Experimental VM flag for enforcing safe object construction
Summary: -XX:+AlwaysSafeConstructors to unconditionally emit the trailing constructor barrier.
Reviewed-by: kvn, roland

8033380: Experimental VM flag to enforce access atomicity
Summary: -XX:+AlwaysAtomicAccesses to unconditionally enforce the access atomicity.
Reviewed-by: roland, kvn, iveresov

8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by: kvn, twisti

Merge

Merge

Merge

8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

Merge

Merge

8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features.
Reviewed-by: kvn

Merge

8023033: PPC64 (part 13): basic changes for AIX
Summary: Added AIX includes alpha-sorted before BSD. Fix compilation issues with xlC in shared code. Basic shared platform dependend adaption (vm_version etc.).
Reviewed-by: kvn, dholmes, stefank

Merge

8019972: PPC64 (part 9): platform files for interpreter only VM.
Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs.
Reviewed-by: kvn

Merge

Merge

Merge

Merge

8016586: PPC64 (part 3): basic changes for PPC64
Summary: added #includes needed for ppc64 port. Renamed _MODEL_ppc to _MODEL_ppc_32 and renamed corresponding old _ppc files to _ppc_32.
Reviewed-by: dholmes, kvn

Merge

8026849: Fix typos in the GC code, part 2
Summary: Fixed typos in assert messages, flag descriptions and verbose messages
Reviewed-by: stefank, tschatzl

8033528: assert(0 <= i && i < length()) failed: index out of bounds
Summary: Restoring bytecodes for invokedynamic had wrong index calculation added testing stress option.
Reviewed-by: twisti, hseigel

Merge

8028391: Make the Min/MaxHeapFreeRatio flags manageable
Summary: Made the flags Min- and MaxHeapFreeRatio manageable, and implemented support for these flags in ParallalGC.
Reviewed-by: sla, mgerdin, brutisso

8025856: Fix typos in the GC code
Summary: Fix about 440 typos in comments in the VM code
Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes

8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
Summary: clarifying the error messages associated with vm options of type diagnostic, experimental, develop, and notproduct
Reviewed-by: kvn, twisti, ctornqvi

Merge

8022494: Make compilation IDs sequential
Summary: Use atomic operations to provide sequential compilation IDs
Reviewed-by: kvn, twisti

8028468: Add inlining information into ciReplay
Summary: Allow dump and replay inlining for specified method during a program execution.
Reviewed-by: roland, twisti

8025277: Add -XX: flag to print code cache sweeper statistics
Summary: New diagnostic flag prints statistics about the code cache sweeper
Reviewed-by: kvn
Contributed-by: tobi.hartmann@gmail.com

8029070: memory leak in jmm_SetVMGlobal
Reviewed-by: kvn, dholmes

Merge

8025632: Remove all references to MagicLambdaImpl from Hotspot
Summary: MagicLambdaImpl was removed from jdk side, this should be done in vm side too
Reviewed-by: coleenp, hseigel, rdurbin

8028159: C2: compiler stack overflow during inlining of @ForceInline methods
Reviewed-by: roland, kvn

8027593: performance drop with constrained codecache starting with hs25 b111
Summary: Fixed proper sweeping of small code cache sizes
Reviewed-by: kvn, iveresov

8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
Reviewed-by: kvn, iveresov

8026251: New type profiling points: parameters to methods
Summary: x86 interpreter and c1 type profiling for parameters on method entries
Reviewed-by: kvn, twisti

Merge

8026715: Remove the MetaDataDeallocateALot develop flag
Reviewed-by: coleenp, mgerdin

8024632: Description of InitialSurvivorRatio flag in globals.hpp is incorrect
Reviewed-by: brutisso, tschatzl, kmo, tamao

Merge

8024776: Max/MinHeapFreeRatio descriptions should be more precise
Summary: Descriptions for Max/MinHeapFreeRatio updated
Reviewed-by: ehelin, jmasa

Merge

8026054: New type profiling points: type of return values at calls
Summary: x86 interpreter and c1 type profiling for return values at calls
Reviewed-by: kvn, twisti

8023657: New type profiling points: arguments to call
Summary: x86 interpreter and c1 type profiling for arguments at calls
Reviewed-by: kvn, twisti

Merge

8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
Reviewed-by: brutisso, jmasa, coleenp

8010506: Typos and errors in descriptions of vm options in globals.hpp
Summary: Fix typos and errors in descriptions of vm options in globals.hpp
Reviewed-by: jmasa, jwilhelm

8019375: Internal symbol table size should be tunable.
Reviewed-by: coleenp, kamg

Merge

Merge

8020151: PSR:PERF Large performance regressions when code cache is filled
Summary: Code cache sweeping based on method hotness; removed speculatively disconnect
Reviewed-by: kvn, iveresov

8024545: make develop and notproduct flag values available in product builds
Reviewed-by: dholmes, kvn

Merge

8019835: Strings interned in different threads equal but does not ==
Summary: Add -XX:+VerifyStringTableAtExit option and code to verify StringTable invariants.
Reviewed-by: rdurbin, sspitsyn, coleenp

Merge

8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
Reviewed-by: twisti, kvn, sla

Merge

8015107: NPG: Use consistent naming for metaspace concepts
Reviewed-by: coleenp, mgerdin, hseigel

8001107: @Stable annotation for constant folding of lazily evaluated variables
Reviewed-by: rbackman, twisti, kvn
Contributed-by: john.r.rose@oracle.com, vladimir.x.ivanov@oracle.com

8023872: Verification error in generated lambda classes
Summary: skip verification for generated lambda classes
Reviewed-by: kamg, dholmes

Merge

8012294: remove generic handling for default methods
Reviewed-by: kamg, coleenp

8007074: SIGSEGV at ParMarkBitMap::verify_clear()
Summary: Replace the broken large pages implementation on Linux. New flag: -XX:+UseTransparentHugePages - Linux specific flag to turn on transparent huge page hinting with madvise(..., MAP_HUGETLB). Changed behavior: -XX:+UseLargePages - tries to use -XX:+UseTransparentHugePages before trying other large pages implementations (on Linux). Changed behavior: -XX:+UseHugeTLBFS - Use upfront allocation of Large Pages instead of using the broken implementation to dynamically committing large pages. Changed behavior: -XX:LargePageSizeInBytes - Turned off the ability to use this flag on Linux and provides warning to user if set to a value different than the OS chosen large page size. Changed behavior: Setting no large page size - Now defaults to use -XX:UseTransparentHugePages if the OS supports it. Previously, -XX:+UseHugeTLBFS was chosen if the OS was configured to use large pages.
Reviewed-by: tschatzl, dcubed, brutisso

8003424: Enable Class Data Sharing for CompressedOops
8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank

Merge

6412968: CMS Long initial mark pauses
Reviewed-by: rasbold, tschatzl, jmasa
Contributed-by: yamauchi@google.com

6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
Reviewed-by: rasbold, tschatzl, jmasa
Contributed-by: yamauchi@google.com

8004872: Early loading of HashMap and StringValue under -XX:+AggressiveOpts can be removed
Summary: this fix also removes the -XX:+UseStringCache option
Reviewed-by: dholmes, acorn, iklam

Merge

8020059: The flag introduced by 8014972 is not defined if Hotspot is built without a compiler (zero, ppc64 core build).
Summary: define CodeCacheMinimumUseSpace flag for cppInterpeter build.
Reviewed-by: kvn

8013635: VM should no longer create bridges for generic signatures.
Summary: Requires: 8013789: Compiler bridges, 8015402: metafactory
Reviewed-by: sspitsyn, coleenp, bharadwaj

Merge

7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test
Reviewed-by: kvn, twisti

8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
Summary: Introduce a minimum code cache size that guarantees that the VM can startup.
Reviewed-by: kvn, twisti

8017611: Auto corrector for mistyped vm options
Summary: The auto corrector for mistyped vm options fuzzy-matches existing flags based on string similarity (Dice's coefficient).
Reviewed-by: kvn, dsamersoff, hseigel, johnc

8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

8012371: Adjust Tiered compile threshold according to available space in code cache
Summary: Added command line parameter to define a threshold at which C1 compilation threshold for is increased.
Reviewed-by: kvn, iveresov

Merge

6843347: Boundary values in some public GC options cause crashes
Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options.
Reviewed-by: jmasa, brutisso

8014138: Add VM option to facilitate the writing of CDS tests
Summary: Added the -XX:SharedArchiveFile option.
Reviewed-by: coleenp, ccheung, acorn, dcubed, zgu

8014448: Purge PrintCompactFieldsSavings
Summary: Remove obsolete debugging code.
Reviewed-by: dholmes, kvn
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>

8006088: Incompatible heap size flags accepted by VM
Summary: Make processing of minimum, initial and maximum heap size more intiutive by removing previous limitations on allowed values, and make error reporting consistent. Further, fix errors in ergonomic heap sizing.
Reviewed-by: johnc, jwilhelm, tamao

Merge

8012547: Code cache flushing can get stuck reclaming of memory
Summary: Keep sweeping regardless of if we are flushing
Reviewed-by: kvn, twisti

8011675: adding compilation level to replay data
Reviewed-by: kvn, vlivanov

8012260: ciReplay: Include PID into the name of replay data file
Reviewed-by: kvn, twisti

8013132: Add a flag to turn off the output of the verbose verification code
Reviewed-by: johnc, brutisso

7197666: java -d64 -version core dumps in a box with lots of memory
Summary: Allow task queues to be mmapped instead of malloced on Solaris
Reviewed-by: coleenp, jmasa, johnc, tschatzl

8011343: Add new flag for verifying the heap during startup
Summary: Perform verification during VM startup under control of new flag and within a VMOperation.
Reviewed-by: stefank, jmasa, brutisso

Merge

Merge

7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by: never, kvn, twisti
Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>

Merge

Merge

7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
Summary: Ergonomics now also takes available virtual memory into account when deciding for a heap size. The helper method to determine the maximum allocatable memory block now uses the appropriate OS specific calls to retrieve available virtual memory for the java process. In 32 bit environments this method now also searches for the maximum actually reservable amount of memory. Merge previously separate implementations for Linux/BSD/Solaris into a single method.
Reviewed-by: jmasa, tamao

7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
Summary: Keep a counter of how many times we were stalled by the GC locker, add a diagnostic flag which sets the limit.
Reviewed-by: brutisso, ehelin, johnc

2178143: JVM crashes if the number of bound CPUs changed during runtime
Summary: Supply a new flag -XX:+AssumeMP to workaround the problem. With the flag is turned on, assume VM run on MP platform so is_MP() will return true that sync calls will not skip away.
Reviewed-by: dholmes, acorn, dcubed, jmasa
Contributed-by: yumin.qi@oracle.com

8009595: The UseSplitVerifier option needs to be deprecated.
Summary: Put UseSplitVerifier option on the deprecated list.
Reviewed-by: dcubed, kmo, acorn

Merge

8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
8009777: NMT: add new NMT dcmd to control auto shutdown option
Summary: Added diagnostic VM option and DCmd command to allow NMT stay alive under stress situation
Reviewed-by: dcubed, coleenp

8008217: CDS: Class data sharing limits the malloc heap on Solaris
Summary: In 64bit VM move CDS archive address to 32G on all platforms using new flag SharedBaseAddress. In 32bit VM set CDS archive address to 3Gb on Linux and let other OSs pick the address.
Reviewed-by: kvn, dcubed, zgu, hseigel

7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
7123945: runtime/6878713/Test6878713.sh require about 2G of native memory, swaps and times out
Summary: Add new diagnostic option -XX:MallocMaxTestWords=NNN and fix Test6878713.sh.
Reviewed-by: dcubed, coleenp, dholmes, iklam

Merge

Merge

Merge

8001307: Modify ACC_SUPER behavior
Summary: Disallow non-virtual calls even when ACC_SUPER is absent.
Reviewed-by: kvn, acorn

7189971: Implement CMSWaitDuration for non-incremental mode of CMS
Reviewed-by: jmasa, johnc, ysr
Contributed-by: michal@frajt.eu

8005452: NPG: Create new flags for Metaspace resizing policy
Reviewed-by: johnc, jwilhelm, coleenp, stefank

8006432: Ratio flags should be unsigned
Summary: Flags changed to be of uintx type
Reviewed-by: johnc, tamao

7052429: G1: Avoid unnecessary scanning of humongous regions during concurrent marking
Summary: Skip unnecessary scanning of bitmap for unmarked humongous objects/regions.
Reviewed-by: jwilhelm, johnc
Contributed-by: Tao Mao <tao.mao@oracle.com>

Merge

8004018: Remove old initialization flags
Reviewed-by: dholmes, stefank
Contributed-by: erik.helin@oracle.com

Merge

8005204: Code Cache Reduction: command line options implementation
Summary: Adding more detailed output on CodeCache usage
Reviewed-by: kvn, vladidan
Contributed-by: Alexander Harlap <alexander.harlap@oracle.com>

Merge

8003985: Support @Contended Annotation - JEP 142
Summary: HotSpot changes to support @Contended annotation.
Reviewed-by: coleenp, kvn, jrose
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>

Merge

8005076: Creating a CDS archive with one alignment and running another causes a crash.
Summary: Save the alignment when writing the CDS and compare it when reading the CDS.
Reviewed-by: kvn, coleenp

8000325: Change default for CMSClassUnloadingEnabled to true
Reviewed-by: stefank, ysr

8004132: SerialGC: ValidateMarkSweep broken when running GCOld
Summary: Remove bit-rotten ValidateMarkSweep functionality and flag.
Reviewed-by: johnc, jmasa
Contributed-by: tamao <tao.mao@oracle.com>

8005082: NPG: Add specialized Metachunk sizes for reflection and anonymous classloaders
Reviewed-by: johnc, coleenp

8004741: Missing compiled exception handle table entry for multidimensional array allocation
Summary: Added missing exception path for multidimensional array allocation and use Throwable type instead of OutOfMemoryError for allocation's exception.
Reviewed-by: twisti

Merge