Ping!! Re: RFR: 8203357 Container Metrics
David Holmes
david.holmes at oracle.com
Tue Jun 12 05:43:13 UTC 2018
On 12/06/2018 3:31 PM, mandy chung wrote:
> On 6/11/18 10:12 PM, David Holmes wrote:
>>>>>>
>>>>>> For the Java code ... methods that return arrays should return
>>>>>> zero-length arrays when something is not available rather than null.
>>>>> All methods do return zero length arrays except I missed the
>>>>> getPerCpuUsage. I’ll fix that one and correct the javadoc.
>>>>
>>>> There are a few more too:
>>>>
>>>
>>> Those are covered by the function that converts the string range.
>>
>> ??? I have no idea what you mean.
>
>
> I think the methods returning an array calls
> Subsystem::StringRangeToIntArray which returns an empty array.
>
> 171 public static int[] StringRangeToIntArray(String range) {
> 172 int[] ints = new int[0];
> 173
> 174 if (range == null) return ints;
I'm commenting on the specification of the Metrics interface:
http://cr.openjdk.java.net/~bobv/8203357/webrev.01/src/java.base/share/classes/jdk/internal/platform/Metrics.java.html
not any implementation.
Cheers,
David
>
> Mandy
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