On 18/06/2021 12:29 pm, Denghui Dong wrote:
On Thu, 17 Jun 2021 23:12:04 GMT, David Holmes wrote:
Sorry still not a fan even with the hacked in deadline support for
find_deadlocks. It is too arbitrary - you have no idea what constitutes a
reasonable deadline, nor by how much you may overshoo
On Thu, 17 Jun 2021 23:12:04 GMT, David Holmes wrote:
> Sorry still not a fan even with the hacked in deadline support for
> find_deadlocks. It is too arbitrary - you have no idea what constitutes a
> reasonable deadline, nor by how much you may overshoot that deadline.
>
> David
Hi David,
T
On Thu, 17 Jun 2021 15:32:01 GMT, Denghui Dong wrote:
>> Hi,
>>
>> Could I have a review of this change that merges three vm
>> operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump
>> and signal_thread_entry.
>>
>> `jstack` is a very common command, even in the production
> Hi,
>
> Could I have a review of this change that merges three vm
> operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump and
> signal_thread_entry.
>
> `jstack` is a very common command, even in the production environment.
>
> In addition to reduce the cost of entering s
On Thu, 17 Jun 2021 05:15:36 GMT, Denghui Dong wrote:
>> Hi,
>>
>> Could I have a review of this change that merges three vm
>> operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump
>> and signal_thread_entry.
>>
>> `jstack` is a very common command, even in the production
> Hi,
>
> Could I have a review of this change that merges three vm
> operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump and
> signal_thread_entry.
>
> `jstack` is a very common command, even in the production environment.
>
> In addition to reduce the cost of entering s
On Wed, 16 Jun 2021 03:33:14 GMT, Denghui Dong wrote:
> Hi,
>
> Could I have a review of this change that merges three vm
> operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump and
> signal_thread_entry.
>
> `jstack` is a very common command, even in the production enviro
On Wed, 16 Jun 2021 04:08:10 GMT, David Holmes wrote:
> Sorry but I do not agree with this change. I understand your rationale but
> you have overlooked that by combining these three safepoint operations you
> have created a much longer safepoint pause which may lock out other more
> important
On Wed, 16 Jun 2021 03:33:14 GMT, Denghui Dong wrote:
> Hi,
>
> Could I have a review of this change that merges three vm
> operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump and
> signal_thread_entry.
>
> `jstack` is a very common command, even in the production enviro
Hi,
Could I have a review of this change that merges three vm
operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump and
signal_thread_entry.
`jstack` is a very common command, even in the production environment.
In addition to reduce the cost of entering safepoint, I think
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