RFR: 8151600: Syntax for -Xlog complicates shell scripts

[Robbin Ehn]

Hi Dmitry,

On 08/30/2016 03:56 PM, Dmitry Samersoff wrote:
> Robbin,
>
> As far as I understand + is used as a delimiter
> e.g. -Xlog:class+load
>
> It might be better to use % for wildcard.

Yes it might, I thought trailing plus was best.

E.g.
"-Xlog:class+load*" would in this case be "-Xlog:class+load+"

But if people prefer e.g. "-Xlog:class+load%" then we can go with that.

Thanks for input!

/Robbin

>
> -Dmitry
>
> On 2016-08-30 15:29, Robbin Ehn wrote:
>> Hi all,
>>
>> The current syntax for -Xlog uses '*' for wildcard matching of tags.
>> In shell scripts where * is unintended expanded causes problems.
>> This patch adds the possibility to use trailing '+' instead.
>>
>> E.g.
>> "-Xlog:gc+" is thus equivalent to "-Xlog:gc*"
>>
>> Tested with modified gtest test.
>>
>> Webrev: http://cr.openjdk.java.net/~rehn/8151600/hotspot.01/webrev/
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8151600
>>
>> Thanks!
>>
>> /Robbin
>
>