On Sat, 11 Jun 2022 08:11:34 GMT, Alan Bateman wrote:
> This test connects to http://openjdk.java.net/ so it's not reliable if the
> host name can't be resolved or a HTTP connection cannot be established. I've
> changed the test to use a local HTTP server so the original test works as
>
On Wed, 6 Apr 2022 23:30:13 GMT, Zhengyu Gu wrote:
> Please review this small patch to fix a possible memory leak.
>
> Test:
> - [x] hotspot_serviceability
This pull request has now been integrated.
Changeset: d4a48843
Author: Zhengyu Gu
URL:
https://git.openjdk.java.ne
On Thu, 7 Apr 2022 20:09:24 GMT, Leonid Mesnik wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Fix
>
> Marked as reviewed by lmesnik (Reviewer).
Thanks, @lmesnik
-
PR: ht
On Thu, 7 Apr 2022 10:12:21 GMT, Lutz Schmidt wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Fix
>
> Looks good to me.
> Good catch! Thanks for finding and fixing the leak.
On Tue, 22 Feb 2022 21:32:05 GMT, David Holmes wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Simplify classTrack_reset and revert bagSize check
>
> src/jdk.jdwp.agent/share/nativ
On Mon, 14 Feb 2022 14:27:45 GMT, Zhengyu Gu wrote:
> There are scenarios that JDWP agent can deadlock on `classTrackLock` monitor.
> Following is the scenario in bug report.
>
> **Java Thread**
> - loads a class and post `JVMTI_EVENT_CLASS_PREPARE` event
> - JDWP even
E` is relevant to JDWP agent.
>
> The solution I purpose here, is simply move allocation/deallocation code
> outside of `classTrackLock` lock.
>
>
> Test:
> - [x] tier1
> - [x] vmTestbase_nsk_jdi
> - [x] vmTestbase_nsk_jdwp
> - [x] vmTestbase_nsk_jvmti
Zhengyu Gu has
On Thu, 17 Feb 2022 17:34:41 GMT, Chris Plummer wrote:
>>> The correctness here depends on exactly how these different functions can
>>> be called. I would have expected the allowed sequence to be: activate ->
>>> 1or more processUnloads -> reset
>>>
>>> but given processUnloads can somehow
On Thu, 17 Feb 2022 05:57:24 GMT, Chris Plummer wrote:
> processUnloads is continuously called on every event. It's purpose is to
> process pending CLASS_UNLOAD events that have accumulated since the last
> JVMTI event. This is a rather hacky solution. JVMTI does not actually send a
>
On Thu, 17 Feb 2022 02:25:15 GMT, David Holmes wrote:
> The correctness here depends on exactly how these different functions can be
> called. I would have expected the allowed sequence to be: activate -> 1or
> more processUnloads -> reset
>
> but given processUnloads can somehow occur
On Thu, 17 Feb 2022 06:57:07 GMT, Chris Plummer wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Simplify classTrack_reset and revert bagSize check
>
> Actually a bit of a correct
On Wed, 16 Feb 2022 00:53:27 GMT, Chris Plummer wrote:
>> I am not sure if it is possible, but checking `bagSize(deletedSignatures) ==
>> 0` seems to race against `classTrack_reset()` where it does not take
>> `handlerLock` lock.
>
>> I am not sure if it is possible, but checking
On Tue, 15 Feb 2022 20:08:19 GMT, Chris Plummer wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> David and Chris' comments
>
> src/jdk.jdwp.agent/share/native/libjdwp/cl
E` is relevant to JDWP agent.
>
> The solution I purpose here, is simply move allocation/deallocation code
> outside of `classTrackLock` lock.
>
>
> Test:
> - [x] tier1
> - [x] vmTestbase_nsk_jdi
> - [x] vmTestbase_nsk_jdwp
> - [x] vmTestbase_nsk_jvmti
Zhengyu Gu
On Tue, 15 Feb 2022 20:02:50 GMT, Chris Plummer wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> David and Chris' comments
>
> src/jdk.jdwp.agent/share/native/libjdwp/classTrack.c line
E` is relevant to JDWP agent.
>
> The solution I purpose here, is simply move allocation/deallocation code
> outside of `classTrackLock` lock.
>
>
> Test:
> - [x] tier1
> - [x] vmTestbase_nsk_jdi
> - [x] vmTestbase_nsk_jdwp
> - [x] vmTestbase_nsk_jvmti
Zhengyu Gu has u
On Tue, 15 Feb 2022 06:31:46 GMT, Chris Plummer wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> David and Chris' comments
>
> src/jdk.jdwp.agent/share/native/libjdwp/classTrack.c lin
On Mon, 14 Feb 2022 23:26:17 GMT, David Holmes wrote:
>> Zhengyu Gu has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> David and Chris' comments
>
> src/jdk.jdwp.agent/share/native/libjdwp/cl
E` is relevant to JDWP agent.
>
> The solution I purpose here, is simply move allocation/deallocation code
> outside of `classTrackLock` lock.
>
>
> Test:
> - [x] tier1
> - [x] vmTestbase_nsk_jdi
> - [x] vmTestbase_nsk_jdwp
> - [x] vmTestbase_nsk_jvmti
Zhengyu Gu has up
On Tue, 15 Feb 2022 06:36:36 GMT, Chris Plummer wrote:
>> src/jdk.jdwp.agent/share/native/libjdwp/classTrack.c line 100:
>>
>>> 98: struct bag* deleted = deletedSignatures;
>>> 99: deletedSignatures = NULL;
>>> 100: debugMonitorExit(classTrackLock);
>>
>> This looks risky as the
There are scenarios that JDWP agent can deadlock on `classTrackLock` monitor.
Following is the scenario in bug report.
**Java Thread**
- loads a class and post `JVMTI_EVENT_CLASS_PREPARE` event
- JDWP event callback handler calls `classTrack_processUnloads()` to handle the
event.
-
On Tue, 15 Jun 2021 17:19:26 GMT, Denghui Dong wrote:
> Hi,
>
> Cound I have a review of this small fix that adds a line feed for the message
> 'eliminated '.
>
> When we run the following code and run `jstack `
>
>
> public static void main(String[] args) {
> for (int i = 0; i
On Wed, 20 Jan 2021 01:47:54 GMT, Alex Menkov wrote:
>> The fix adds NMT handling for non-java launchers
>
> Alex Menkov has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Updated comment
Sorry, I overlooked some of details. Final change
On Fri, 15 Jan 2021 23:50:16 GMT, Alex Menkov wrote:
> The fix adds NMT handling for non-java launchers
Looks good
-
Marked as reviewed by zgu (Reviewer).
PR: https://git.openjdk.java.net/jdk/pull/2106
On Mon, 4 Jan 2021 17:28:30 GMT, Coleen Phillimore wrote:
> See CR for details.
> I made the classpath append list lock-free. Calling experts in Atomic
> operations...
> Tested with tier1-6.
> Thanks,
> Coleen
src/hotspot/share/classfile/classLoader.cpp line 843:
> 841:
On Mon, 2 Nov 2020 15:58:15 GMT, Coleen Phillimore wrote:
>> This change turns the HashTable that JVMTI uses for object tagging into a
>> regular Hotspot hashtable - the one in hashtable.hpp with resizing and
>> rehashing. Instead of pointing directly to oops so that GC has to walk the
>>
On Tue, 29 Sep 2020 14:12:26 GMT, Erik Österlund wrote:
> > Hi Erik,
> > I have been playing with this patch for past a few days. Great work!
> > I found that this patch seems to break an early assumption.
> > We have a comment in JavaThread::exit() says:
> > // We need to cache the thread name
On Mon, 28 Sep 2020 12:00:40 GMT, Albert Mingkun Yang wrote:
>>> Thank you for the comments and diagrams; they make the code much more
>>> digestible. From that diagram, I get the
>>> impression that the watermark is associated with stack pointer, so it
>>> should be 1:1 relation, but `class
On Sat, 12 Sep 2020 00:17:58 GMT, Lin Zang wrote:
>> - enable parallel heap inspecton for ShenandoahHeap
>> - preliminary evaluation:
>> Time of jmap histo on (8GB heap with 4GB objects)
>> * before: 5.186s
>> * after : 1.698s
>
> Lin Zang has refreshed the contents of this pull
On Sat, 12 Sep 2020 00:15:06 GMT, Lin Zang wrote:
> Hi @zhengyu123 ,
> Thanks for your comments! I have refined the code and update the PR.
> -Lin
Looks good to me.
@shipilev may want to take a look.
Thanks.
-
PR: https://git.openjdk.java.net/jdk/pull/67
On Fri, 11 Sep 2020 10:54:42 GMT, Aleksey Shipilev wrote:
>> Hi @shipilev,
>> I have update a PR that trying to reuse code in serial and parallel
>> heap iteration.
>> would you like to review again? Thanks
>> -Lin
>
> Thank you, we'll take a look next week.
Hi Lin,
1) The patch
Hi Coleen,
Shenandoah part looks good.
Thanks,
-Zhengyu
On 7/15/20 11:38 AM, coleen.phillim...@oracle.com wrote:
Hi, This patch has been reviewed and I was waiting for the ability to
define different OopStorages, but I'd like to fix that in a further
change after the GC changes have been
Hi,
So perhaps just adding the NULL check in the barrier for the case
where the markWord ”is_marked” is the sane thing to do, knowing that
the other costs taken in the same path will dominate.
I have this patch, exactly what you suggested. I will let Aleksey run
his numbers.
Aleksey is
nks,
/Erik
Thank,
-Zhengyu
Thanks,
/Erik
On 24 Feb 2020, at 17:49, Zhengyu Gu wrote:
Hi all,
Updated according to your comments:
http://cr.openjdk.java.net/~zgu/JDK-8238633/webrev.02/
I modified vmTestbase/nsk/jvmti/unit/heap/HeapWalkTests/TestDescription.java
test [1] to walk 300K obje
,
-Zhengyu
Thanks,
/Erik
On 24 Feb 2020, at 17:49, Zhengyu Gu wrote:
Hi all,
Updated according to your comments:
http://cr.openjdk.java.net/~zgu/JDK-8238633/webrev.02/
I modified vmTestbase/nsk/jvmti/unit/heap/HeapWalkTests/TestDescription.java
test [1] to walk 300K objects.
Without patch
I think this file could have forward declarations of GrowableArray and
I didn't see a need for the markWord.hpp include.
This change on the whole looks good to me.
Coleen
On 2/21/20 5:23 AM, Stefan Karlsson wrote:
Hi Zhengyu,
On 2020-02-17 15:51, Zhengyu Gu wrote:
Hi Stefan,
Thanks
Hi Kim,
On 2/21/20 3:47 PM, Kim Barrett wrote:
On Feb 7, 2020, at 10:53 AM, Zhengyu Gu wrote:
Hi,
I would like purpose this change that allows GC to provide ObjectMarker during
JVMTI heap walk.
Currently, JVMTI heap walk uses oop markword's 'marked' pattern to indicate
'visited' oop
heap
walk, the answer was 'no'. As Stefan mentioned, this is a slow piece of
code, I doubt if there is any benchmarks for it.
I would appreciate it if any performance people can chip in.
Thanks,
-Zhengyu
Thanks,
Serguei
On 2/17/20 6:51 AM, Zhengyu Gu wrote:
Hi Stefan,
Thanks
Hi Stefan,
Thanks for the review and suggestions, updated accordingly:
http://cr.openjdk.java.net/~zgu/JDK-8238633/webrev.01/
---
Previously, the calls to 'mark' and 'visited' were inlineable, but now
every GC has to take a virtual call when marking the objects. My guess
is that this code
Hi,
I would like purpose this change that allows GC to provide ObjectMarker
during JVMTI heap walk.
Currently, JVMTI heap walk uses oop markword's 'marked' pattern to
indicate 'visited' oop.
Unfortunately, it conflicts with Shenandoah, who uses the pattern to
indicate 'forwarding'. When
Please review this patch that removes a method that is no longer needed.
CollectedHeap.oopOffset() was added for Shenandoah GC to offset extra
header for forwarding pointer. Recently, Shenandoah removed the header
and folded the forwarding pointer into regular header, so this method is
now
On 6/14/19 12:58 PM, Roman Kennke wrote:
Oops, totally forgot about that. Should this also go into jdk13 as bugfix?
Yes, I think so.
-Zhengyu
Roman
Am 14. Juni 2019 17:50:57 MESZ schrieb Zhengyu Gu :
Please review this patch, that adjusts SA to reflect removal of extra
header
Removed the comment and pushed.
Thanks!
-Zhengyu
On 6/14/19 11:55 AM, Aleksey Shipilev wrote:
On 6/14/19 5:50 PM, Zhengyu Gu wrote:
Please review this patch, that adjusts SA to reflect removal of extra header
for forwarding pointer.
Bug: https://bugs.openjdk.java.net/browse/JDK-8225801
Please review this patch, that adjusts SA to reflect removal of extra
header for forwarding pointer.
Bug: https://bugs.openjdk.java.net/browse/JDK-8225801
Webrev: http://cr.openjdk.java.net/~zgu/JDK-8225801/webrev.00/
Test:
hotspot_gc_shenandoah
Manual test.
Thanks,
-Zhengyu
walk
260 handle = handle.addOffsetToAsOopHandle(heap.oopOffset());
I will fix it before push.
-Zhengyu
thanks,
Chris
On 4/1/19 6:26 AM, Zhengyu Gu wrote:
Hi,
May I get review from serviceability? as it has minor changes in
shared code (CollectedHeap.java and ObjectHeap.java
Hi,
May I get review from serviceability? as it has minor changes in shared
code (CollectedHeap.java and ObjectHeap.java)
Thanks,
-Zhengyu
On 3/14/19 11:37 AM, Zhengyu Gu wrote:
Please review this patch that provides best-effort implementation of
live regions iteration for Shenandoah GC
Hi Kim,
- taskqueue.hpp has some small adjustments to enable subclassing
Why this change instead of JDK-8204947? As the description from that RFE says:
"The ShenandoahTaskTerminator from the Shenandoah project is a much better
implementation of a task terminator.”
We were busy on
Changeset: de059a14e159
Author:zgu
Date: 2013-10-01 08:54 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/de059a14e159
8022187: Missing ResourceMark crash when assertion using FormatBufferResource
fails
Summary: Uses stack for the format buffer instead of resource
Changeset: 766fac3395d6
Author:kvn
Date: 2013-08-23 11:41 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/766fac3395d6
8012972: Incremental Inlining should support scalar replaced object in debug
info
Summary: store in _first_index not absolute index but an index
Changeset: baa7927dfbd2
Author:zgu
Date: 2013-09-04 08:55 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/baa7927dfbd2
8022798: assert(seq 0) failed: counter overflow in Kitchensink
Summary: Removed incorrect assertion, sequence number can overflow
Reviewed-by:
Changeset: 522d69638aa8
Author:zgu
Date: 2013-08-30 11:54 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/522d69638aa8
6991327: using -Xprof trigger native memory leak
Summary: Fixed a memory leak in FlatProfiler::record_thread_tick() method
Reviewed-by: dholmes,
Changeset: c9a5fab39234
Author:zgu
Date: 2013-07-11 13:15 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/c9a5fab39234
8012241: NMT huge memory footprint, it usually leads to OOME
Summary: Enforce memory limitation on NMT to prevent JVM OOM
Reviewed-by: acorn,
Changeset: 5f7a4367c787
Author:zgu
Date: 2013-07-04 06:24 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/5f7a4367c787
8016074: NMT: assertion failed: assert(thread-thread_state() == from) failed:
coming from wrong thread state
Summary: Uses os::NakedYield() on
Changeset: 8cff1de240de
Author:zgu
Date: 2013-06-25 17:22 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/8cff1de240de
8017478: Kitchensink crashed with SIGSEGV in BaselineReporter::diff_callsites
Summary: Fixed possible NULL pointer that caused SIGSEGV
Changeset: 1f4355cee9a2
Author:zgu
Date: 2013-06-18 08:44 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/1f4355cee9a2
8013651: NMT: reserve/release sequence id's in incorrect order due to race
Summary: Fixed NMT race condition for realloc, uncommit and release
Changeset: cd2118b62475
Author:zgu
Date: 2013-06-10 10:45 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/cd2118b62475
8013917: Kitchensink crashed with SIGSEGV in BaselineReporter::diff_callsites
Summary: Simple fix when memory allocation site is gone, NMT should
Changeset: ef57c43512d6
Author:ccheung
Date: 2013-06-13 22:02 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/ef57c43512d6
8014431: cleanup warnings indicated by the -Wunused-value compiler option on
linux
Reviewed-by: dholmes, coleenp
Contributed-by:
Changeset: ab313d4e9a8b
Author:zgu
Date: 2013-06-14 09:18 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/ab313d4e9a8b
8011968: Kitchensink crashed with SIGSEGV in MemBaseline::baseline
Summary: Simple fix to add NULL pointer check that can cause segv
Reviewed-by:
Changeset: 51af5fae397d
Author:ccheung
Date: 2013-05-24 17:19 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/51af5fae397d
8015265: revise the fix for 8007037
Reviewed-by: sspitsyn, dholmes, dcubed
! src/share/vm/oops/constantPool.cpp
Changeset: 4cc7d4d5dc92
Changeset: c18152e0554e
Author:zgu
Date: 2013-05-06 11:15 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/c18152e0554e
8013120: NMT: Kitchensink crashes with assert(next_region == NULL ||
!next_region-is_committed_region()) failed: Sanity check
Summary: Fixed NMT
Changeset: bf089b838c9e
Author:ccheung
Date: 2013-05-02 16:55 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/bf089b838c9e
8012641: Perf_CreateLong creates perf counter of incorrect type
Reviewed-by: mchung, hseigel, coleenp
! src/share/vm/prims/perf.cpp
Changeset: ed5a590835a4
Author:zgu
Date: 2013-04-30 09:17 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/ed5a590835a4
8013214: BigApps fails due to 'fatal error: Illegal threadstate encountered: 6'
Summary: Grab and drop SR_lock to get the thread to honor the
Changeset: 746b070f5022
Author:ccheung
Date: 2013-04-30 11:56 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/746b070f5022
8011661: Insufficient memory message says malloc when sometimes it should say
mmap
Reviewed-by: coleenp, zgu, hseigel
!
Changeset: fbca7eaeac2e
Author:zgu
Date: 2013-04-24 14:55 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/fbca7eaeac2e
8011218: Kitchensink hanged, likely NMT is to blame
Summary: Made NMT query safepoint aware.
Reviewed-by: dholmes, coleenp
!
Changeset: b80cc96882f7
Author:zgu
Date: 2013-04-18 10:04 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/b80cc96882f7
8012464: NMT: classes should not derive from _ValueObj, use
VALUE_OBJ_CLASS_SPEC instead
Summary: NMT value objects should use
Changeset: 35f8765422b9
Author:zgu
Date: 2013-04-10 08:55 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/35f8765422b9
8010151: nsk/regression/b6653214 fails assert(snapshot != NULL) failed: Worker
should not be started
Summary: Fixed a racing condition when
Changeset: 4b7cf00ccb08
Author:ccheung
Date: 2013-04-05 11:15 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/4b7cf00ccb08
8006001: [parfait] Possible file leak in
hotspot/src/os/linux/vm/perfMemory_linux.cpp
Reviewed-by: zgu, coleenp, hseigel, dholmes
!
Changeset: 4c8bb5e4f68f
Author:zgu
Date: 2013-04-05 12:19 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/4c8bb5e4f68f
8011161: NMT: Memory leak when encountering out of memory error while
initializing memory snapshot
Summary: Fix memory leaks when NMT fails to
Changeset: bad3bed4b323
Author:ccheung
Date: 2013-03-29 14:18 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/bad3bed4b323
8006006: [parfait] Memory leak at hotspot/src/share/tools/launcher/wildcard.c
Summary: a simple fix to add FileList_free(fl) before returning
Changeset: 8c03fc47511d
Author:iklam
Date: 2013-04-01 14:05 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/8c03fc47511d
8011048: Possible reading from unmapped memory in UTF8::as_quoted_ascii()
Summary: Pass utf_length parameter to UTF8::as_quoted_ascii()
Changeset: b5bae74160b7
Author:zgu
Date: 2013-03-27 15:41 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/b5bae74160b7
8010474: [parfait] Undefined return value of the functions in
hotspot/src/share/vm/services/memTracker.hpp
Summary: Fixed functions that miss
Changeset: 6b748c9e1845
Author:zgu
Date: 2013-03-26 14:11 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/6b748c9e1845
8010651: create.bat still builds the kernel
Summary: Remove old kernel build targets and VS C++ projects created by
create.bat on Windows
Changeset: 14509df4cd63
Author:iklam
Date: 2013-03-21 20:46 -0700
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/14509df4cd63
8010389: After fix for 7107135 a failed dlopen() call results in a VM crash
Summary: Call dlerror() in VM thread as necessary.
Reviewed-by:
Changeset: 06db4c0afbf3
Author:zgu
Date: 2013-03-20 09:42 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/06db4c0afbf3
8009298: NMT: Special version of class loading/unloading with runThese stresses
out NMT
8009777: NMT: add new NMT dcmd to control auto shutdown
Changeset: 82f49e8e2c28
Author:zgu
Date: 2013-03-15 11:53 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/82f49e8e2c28
8009614: nsk/split_verifier/stress/ifelse/ifelse002_30 fails with 'assert((size
(granularity - 1)) == 0) failed: size not aligned to
Changeset: 6b803ba47588
Author:zgu
Date: 2013-03-07 14:06 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/6b803ba47588
8008257: NMT: assert(new_rec-is_allocation_record()) failed when running with
shared memory option
Summary: Corrected virtual memory recording
Changeset: 9058789475af
Author:iklam
Date: 2013-03-05 13:55 -0800
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/9058789475af
7107135: Stack guard pages are no more protected after loading a shared library
with executable stack
Summary: Detect the execstack attribute
Changeset: fc64254f5579
Author:zgu
Date: 2013-02-21 07:50 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/fc64254f5579
8008071: Crashed in promote_malloc_records() with Kitchensink after 19 days
Summary: Added NULL pointer check for arena size record
Reviewed-by:
Changeset: 8bf62bd86a4e
Author:zgu
Date: 2013-02-08 14:49 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/8bf62bd86a4e
8007791: More Restricted hs_err file permission
Summary: Enforce more restricted hs_file permission
Reviewed-by: acorn, dcubed, dsamersoff
!
Changeset: 8b46b0196eb0
Author:zgu
Date: 2013-01-25 10:04 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/8b46b0196eb0
8000692: Remove old KERNEL code
Summary: Removed depreciated kernel VM source code from hotspot VM
Reviewed-by: dholmes, acorn
! make/Makefile
!
Changeset: edd23b35b1a5
Author:zgu
Date: 2013-01-22 14:27 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/edd23b35b1a5
6871190: Don't terminate JVM if it is running in a non-interactive session
Summary: Don't handle CTRL_LOGOFF_EVENT event when the process is
Changeset: e0cf9af8978e
Author:zgu
Date: 2013-01-11 12:30 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/e0cf9af8978e
8005936: PrintNMTStatistics doesn't work for normal JVM exit
Summary: Moved NMT shutdown code to JVM exit handler to ensure NMT statistics
is
Changeset: dd7248d3e151
Author:zgu
Date: 2013-01-09 14:46 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/dd7248d3e151
7152671: RFE: Windows decoder should add some std dirs to the symbol search path
Summary: Added JRE/JDK bin directories to decoder's symbol search
Changeset: ecd24264898b
Author:zgu
Date: 2013-01-08 14:04 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/ecd24264898b
8005048: NMT: #loaded classes needs to just show the # defined classes
Summary: Count number of instance classes so that it matches class metadata
Changeset: 3f84e17b6bca
Author:zgu
Date: 2012-12-17 13:14 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/3f84e17b6bca
8004802: jcmd VM.native_memory baseline=false crashes VM
Summary: NMT has to check option's value also to determine which command to
execute
Changeset: bbc14465e7db
Author:zgu
Date: 2012-11-28 09:19 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/bbc14465e7db
8003689: MemTracker::init_tracking_options() reads outside array if commandline
argument is empty
Summary: Fixed potential buffer overrun when
Changeset: 49cbd3e25ba9
Author:zgu
Date: 2012-11-16 09:05 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/49cbd3e25ba9
8003487: NMT: incorrect assertion in
VMMemPointerIterator::remove_released_region method (memSnapshot.cpp)
Summary: The assertion is applied to
Changeset: fb3190e77d3c
Author:zgu
Date: 2012-11-09 19:24 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/fb3190e77d3c
8001592: NMT: assertion failed: assert(_amount = amt) failed: Just check:
memBaseline.hpp:180
Summary: Fixed NMT that miscounted arena memory
Changeset: ed8b1e39ff4f
Author:zgu
Date: 2012-11-09 11:04 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/ed8b1e39ff4f
8002273: NMT to report JNI memory leaks when -Xcheck:jni is on
Summary: Allows NMT to report that JNI thread failed to detach from JVM before
Changeset: 716c64bda5ba
Author:zgu
Date: 2012-10-19 21:40 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/716c64bda5ba
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
Summary: Enhanced virtual memory tracking to track committed regions as well as
Changeset: 9a86ddfc6c8f
Author:zgu
Date: 2012-09-17 16:37 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
Summary: Print out statistics of collected NMT data if it is on at VM exits
Reviewed-by:
Changeset: e5bf1c79ed5b
Author:zgu
Date: 2012-08-14 13:56 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/e5bf1c79ed5b
7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and
NOT_PRODUCT macros in NMT
Summary: Updated all related variables and
Changeset: 4acebbe310e1
Author:zgu
Date: 2012-08-01 17:19 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/4acebbe310e1
7185614: NMT ON: check by caller assertion failed on nsk ThreadMXBean test
7187429: NMT ON: Merge failure should cause NMT to shutdown
Summary:
Changeset: 3b01d0321dfa
Author:zgu
Date: 2012-07-30 10:25 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/3b01d0321dfa
7186778: MachO decoder implementation for MacOSX
Summary: Implementation of decoder for Apple's MacOSX. The implementation is
based on the patch
Changeset: 7e5976e66c62
Author:zgu
Date: 2012-07-19 09:05 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/7e5976e66c62
7182543: NMT ON: Aggregate a few NMT related bugs
Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured
NMT not to leak
Changeset: d2a62e0f25eb
Author:zgu
Date: 2012-06-28 17:03 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/d2a62e0f25eb
6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase
Changeset: a05a695ea044
Author:stefank
Date: 2012-05-10 11:27 +0200
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/a05a695ea044
7167437: Can't build on linux without precompiled headers
Reviewed-by: brutisso, mgerdin
! src/share/vm/memory/space.hpp
!
Changeset: 973046802b6f
Author:dlong
Date: 2012-04-26 16:24 -0400
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/973046802b6f
7162955: Attach api on Solaris, too many open files
Summary: Release server-side socket after client receives it.
Reviewed-by: sla, dsamersoff,
Changeset: db006a85bf91
Author:zgu
Date: 2012-02-09 10:16 -0500
URL: http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/db006a85bf91
7141259: Native stack is missing in hs_err
Summary: Code cleanup and creating a private decoder for error handler, since
it can be triggered from
Hi Neil,
My understanding is that you need to have at least two reviewers who
have 'reviewer' privilege, (and I don't have 'reviewer' privilege).
Yes, I am tied up, if you can handle the push, that will be great. What
java bug id you need? can you use CR 6988099?
BTW, here is the link to
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