On Fri, 30 Aug 2024 11:02:52 GMT, Matthias Baesken <mbaes...@openjdk.org> wrote:

>> Severin Gehwolf has updated the pull request with a new target base due to a 
>> merge or a rebase. The incremental webrev excludes the unrelated changes 
>> brought in by the merge/rebase. The pull request contains 10 additional 
>> commits since the last revision:
>> 
>>  - Add root check for SystemdMemoryAwarenessTest.java
>>  - Merge branch 'master' into jdk-8333446-systemd-slice-tests
>>  - Merge branch 'master' into jdk-8333446-systemd-slice-tests
>>  - Merge branch 'master' into jdk-8333446-systemd-slice-tests
>>  - Add Whitebox check for host cpu
>>  - Merge branch 'master' into jdk-8333446-systemd-slice-tests
>>  - Merge branch 'master' into jdk-8333446-systemd-slice-tests
>>  - Merge branch 'master' into jdk-8333446-systemd-slice-tests
>>  - Fix comments
>>  - 8333446: Add tests for hierarchical container support
>
> src/hotspot/share/prims/whitebox.cpp line 2507:
> 
>> 2505: WB_END
>> 2506: 
>> 2507: // Physical cpus of the host machine (including containers), Linux 
>> only.
> 
> Isn't the comment a bit misleading ?  From what I see , ` 
> os::Linux::active_processor_count()` can use various mechanisms to get number 
> of processor info, if it uses https://linux.die.net/man/2/sched_getaffinity 
> it gives the 'set of CPUs on which it is eligible to run.'   That might be 
> different from what the host has.

Yes. See #20768 for an attempt to unify it. I'll change the comment with the 
update that I have for nested hierarchies. Thanks!

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/19530#discussion_r1738475745

Reply via email to