RFR: 8206456 - [TESTBUG] docker jtreg tests fail on systems without cpuset.effective_cpus / cpuset.effective_mem

[Bob Vandette]

> On Jul 17, 2018, at 8:07 PM, mandy chung <mandy.chung at oracle.com> wrote:
> 
> 
> 
> On 7/17/18 7:00 AM, Bob Vandette wrote:
>> Please review this fix which eliminates some docker/cgroup test failures when running on older
>> Linux kernels with missing cgroup metric files.
>> BUGS:
>> https://bugs.openjdk.java.net/browse/JDK-8206456
>> WEBREV:
>> http://cr.openjdk.java.net/~bobv/8206456/webrev/
> 
> Nit: It would be clearer to check for the specific metrics:
> 
> int[] cpusets = metrics.getEffectiveCpuSetCpus();
> if (cpusets.length != 0) {
>    ....
> }
> 
> Same applies to getEffectiveCpuSetMems.  No need for a new webrev.

Thanks, I’ll do that cleanup.

> 
> Mandy
> P.S. I am not sure the conversion from the primitive to boxed type
> is necessary.  But this is not related to this issue.  You may
> want to take a look at that.

I’ll defer this issue to Harsha who wrote these tests since changing that is
out of scope for this fix.

Thanks,
Bob.