On Wed, 14 Aug 2024 19:11:58 GMT, Gerard Ziemski wrote:
>> - `VMATree` is used instead of `SortedLinkList` in new class
>> `VirtualMemoryTrackerWithTree`.
>> - A wrapper/helper `RegionTree` is made around VMATree to make some calls
>> easier.
>> - Both old
On Wed, 14 Aug 2024 19:13:49 GMT, Gerard Ziemski wrote:
>> src/hotspot/share/nmt/memReporter.cpp line 467:
>>
>>> 465:
>>> 466: if (reserved_and_committed)
>>> 467: return;
>>
>> This looks better, but now that I got more c
On Fri, 27 Sep 2024 16:05:33 GMT, Afshin Zafari wrote:
> > Rather than having 2 implementations, I'd like to see us aiming for
> > integration for JDK-25 after forking 24, so integration in December. That
> > would give us 6 months of ensuring stability of the new implementation
> > before it
On Mon, 26 Aug 2024 11:03:25 GMT, Johan Sjölen wrote:
> It's tedious to have to write return true; if you never return false; in the
> function. I looked into fixing this with some metaprogramming, and I found
> two C++14 solutions and one C++17 one. Here's the Godbolt
I'd like the lambdas wit
On Mon, 26 Aug 2024 07:16:39 GMT, Afshin Zafari wrote:
> > Is the plan to check-in the fix with both paths? Or are we going to remove
> > the linked-list based one after the review?
>
> The plan is to have both versions available at run-time. In this plan, we
> will add JVM options to let the
On Thu, 1 Aug 2024 15:44:32 GMT, Afshin Zafari wrote:
> - `VMATree` is used instead of `SortedLinkList` in new class
> `VirtualMemoryTrackerWithTree`.
> - A wrapper/helper `RegionTree` is made around VMATree to make some calls
> easier.
> - Both old and new versions exist in the code and ca
On Tue, 5 Sep 2023 07:53:36 GMT, Afshin Zafari wrote:
> A new benchmark for measuring the NMT overhead in `summary` and `detail`
> modes.
> The tests are run using:
>
> make CONF=debug test TEST="micro:java.util.NMTBenchmark"
> MICRO="RESULTS_FORMAT=json"
>
> The results are written to a JS
> Hi all,
>
> I am currently working on https://bugs.openjdk.org/browse/JDK-8296360; I
> was preparing the final PR [1], but then Alan did ask me to discuss this on
> core-libs first.
>
> Backstory:
>
> NMT tracks hotspot native allocations but does not cover the JDK libraries
> (small exception
