RFR: JDK-8221164: jstatLineCounts tests need to be more resilient for NaN outputs

[gary.adams at oracle.com]

Yes. I just made it clearer.

On 3/22/19 3:29 PM, Chris Plummer wrote:
> Hi Gary,
>
> It looks like there was already "-" support for the CCS column. Was it 
> not working, or did you add the parens just to make it clearer to the 
> reader what it is matching on?
>
> thanks,
>
> Chris
>
> On 3/22/19 1:18 AM, gary.adams at oracle.com wrote:
>> The M and CCS columns from jstat output can present a dash("-")
>> for NaN values, such as :
>>
>> ----------System.out:(13/1261)----------
>>    S0     S1     E      O      M     CCS    YGC     YGCT    FGC    FGCT    CGC    CGCT     GCT
>>    0.00   0.00   0.00   0.00      -      -      0    0.000     0    0.000     0    0.000    0.000
>>    0.00   0.00   0.00   0.00      -      -      0    0.000     0    0.000     0    0.000    0.000
>>    0.00   0.00   0.00   0.00      -      -      0    0.000     0    0.000     0    0.000    0.000
>>    0.00   0.00   0.00   0.00      -      -      0    0.000     0    0.000     0    0.000    0.000
>>    0.00   0.00   0.00   0.00      -      -      0    0.000     0    0.000     0    0.000    0.000
>>    0.00   0.00   0.00   0.00      -      -      0    0.000     0    0.000     0    0.000    0.000
>>    0.00   0.00   0.00   0.00      -  28.19      1    0.571     0    0.000     0    0.000    0.571
>>    0.00 100.00   0.00  14.85  31.29  28.19      1    0.571     0    0.000     0    0.000    0.571
>>    0.00 100.00   0.00  14.85  31.29  28.19      1    0.571     0    0.000     0    0.000    0.571
>>    0.00 100.00   0.00  14.85  31.29  28.19      1    0.571     0    0.000     0    0.000    0.571
>>
>> This proposed fix updates the awk scripts which are checking output 
>> lines.
>> For the M and CCS columns, allow either a floating point value or a dash.
>> e.g. "([0-9]+\.[0-9]+|-)"
>>
>>   Webrev: http://cr.openjdk.java.net/~gadams/8221164/webrev/
>>   Issue: https://bugs.openjdk.java.net/browse/JDK-8221164
>
>

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