[8u] RFR for JDK-6515172: Runtime.availableProcessors() ignores Linux taskset command

David Holmes david.holmes at oracle.com
Fri Sep 16 01:45:32 UTC 2016

On 16/09/2016 4:17 AM, Chris Plummer wrote:
> You should probably include the backport of JDK-8165153 since it was
> introduced by JDK-6515172.

This is a simplified backport of 6515172 suitable for Java 8. It does 
end up being a combination of that fix and 8165153, but you can't be a 
backport of two bugs, and there are no distinct parts that might map to 
each bug. That was why originally this was flagged under a separate bug 
id. But I agreed that this could be considered a simpified backport of 


> cheers,
> Chris
> On 9/15/16 2:51 AM, David Holmes wrote:
>> Looks good. Reviewed.
>> Thanks,
>> David
>> On 15/09/2016 4:40 PM, Shafi Ahmad wrote:
>>> Hi,
>>> Please review the backport [modified] of bug: "JDK-6515172
>>> Runtime.availableProcessors() ignores Linux taskset command" to jdk8u.
>>> Please note that the backport is not clean and we can't do as it is.
>>> Please note
>>>   1. The changes are made by 'Andreas Eriksson' who left Oracle.
>>>   2. There is difference in logging mechanism in jdk9 and jdk8 is
>>> different and file logTag.hpp doesn't exists in jdk8.
>>>   3. Newly added test pass after this change. It fails without this
>>> change.
>>> Webrev link: http://cr.openjdk.java.net/~shshahma/8154324/webrev.02/
>>> Jdk9 bug: https://bugs.openjdk.java.net/browse/JDK-6515172
>>> Original patch pushed to jdk9:
>>> http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/c5480d4abfe4
>>> Testing: jprt and running jtreg.
>>> Regards,
>>> Shafi

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