> The fix adds posting VmObjectAlloc events by Unsafe.allocateInstance(Class
> cls). The previous attempt to post event directly from
> 'LibraryCallKit::inline_unsafe_allocate()' cause performance regression even
> if jvmti event is not enabled. Some optimizations have been disabled just
> bec
On Thu, 3 Aug 2023 23:39:11 GMT, Andrew John Hughes wrote:
> Removing it to hardcode a format thus seems like a bit of a backward step to
> me.
But we only defined abstract things like `SIZE_FORMAT` because there was no
single specifier accepted by all C runtimes and which behaves in the same
On Thu, 3 Aug 2023 13:24:19 GMT, Kevin Walls wrote:
> Also the variable num_requested_dump_thread is not needed? It's just a copy
> of _num_dumper_threads which we don't change.
This is needed because _num_dumper_threads will change later, the requested
dump thread may not equal to actual _num
On Wed, 2 Aug 2023 01:31:43 GMT, Coleen Phillimore wrote:
> Replace SIZE_FORMAT with %zu and SIZE_FORMAT_X with 0x%zx using a 4 line sed
> script:
>
> sed -e 's/" SIZE_FORMAT "/%zu/g' -e 's/" SIZE_FORMAT,/%zu",/' \
> -e 's/print(SIZE_FORMAT "/print("%zu/g' \
> -e 's/" SIZE_FORMAT_
On Wed, 2 Aug 2023 01:31:43 GMT, Coleen Phillimore wrote:
> Replace SIZE_FORMAT with %zu and SIZE_FORMAT_X with 0x%zx using a 4 line sed
> script:
>
> sed -e 's/" SIZE_FORMAT "/%zu/g' -e 's/" SIZE_FORMAT,/%zu",/' \
> -e 's/print(SIZE_FORMAT "/print("%zu/g' \
> -e 's/" SIZE_FORMAT_
On Wed, 2 Aug 2023 01:31:43 GMT, Coleen Phillimore wrote:
> Replace SIZE_FORMAT with %zu and SIZE_FORMAT_X with 0x%zx using a 4 line sed
> script:
>
> sed -e 's/" SIZE_FORMAT "/%zu/g' -e 's/" SIZE_FORMAT,/%zu",/' \
> -e 's/print(SIZE_FORMAT "/print("%zu/g' \
> -e 's/" SIZE_FORMAT_
On Thu, 3 Aug 2023 15:59:14 GMT, Chris Plummer wrote:
>> @ashu-mehra thanks for doing the additional testing. Pity there is no
>> regression/functional test for this.
>
>> @dholmes-ora @plummercj I have improved [dumpclass
>> tests](https://github.com/openjdk/jdk/commit/97618cc9bbadce4b51fc0fbe
On Wed, 2 Aug 2023 05:07:31 GMT, David Holmes wrote:
>> @dholmes-ora I verified the case for hidden dynamically injected classes.
>> The dumped class data for a hidden dynamically injected class does not have
>> any Nest-Host attribute. When generating these classes dynamically the VM
>> does
On Wed, 2 Aug 2023 05:07:31 GMT, David Holmes wrote:
> Pity there is no regression/functional test for this.
@dholmes-ora @plummercj I have improved [dumpclass
tests](https://github.com/openjdk/jdk/commit/97618cc9bbadce4b51fc0fbee93557f4dcc8d26a)
to cover up some cases for this PR and
[JDK-8
On Wed, 2 Aug 2023 14:33:28 GMT, Yi Yang wrote:
>> ### Motivation and proposal
>> Hi, heap dump brings about pauses for application's execution(STW), this is
>> a well-known pain. JDK-8252842 have added parallel support to heapdump in an
>> attempt to alleviate this issue. However, all concurre
On Thu, 13 Jul 2023 14:34:38 GMT, Coleen Phillimore wrote:
>> Fix a small leak in constant pool merging during retransformation of a
>> class. If this class has a catch block with `Throwable`, the class
>> `Throwable` is pre-resolved in the constant pool, while all the other
>> classes are in
> Fix a small leak in constant pool merging during retransformation of a class.
> If this class has a catch block with `Throwable`, the class `Throwable` is
> pre-resolved in the constant pool, while all the other classes are in a
> unresolved state. So the constant pool merging process was cons
> Fix a small leak in constant pool merging during retransformation of a class.
> If this class has a catch block with `Throwable`, the class `Throwable` is
> pre-resolved in the constant pool, while all the other classes are in a
> unresolved state. So the constant pool merging process was cons
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