RFR: 8246622: Remove CollectedHeap::print_gc_threads_on()

[Per Liden]

Thanks for reviewing, Stefan!

/Per

On 6/5/20 9:14 AM, stefan.johansson at oracle.com wrote:
> Nice cleanup Per,
> 
> On 2020-06-04 20:42, Per Liden wrote:
>> Instead of having all GCs implement 
>> CollectedHeap::print_gc_threads_on(), we can just let the single 
>> caller (Threads::print_on) provide a closure and use 
>> CollectedHeap::gc_threads_do(). That will better match what 
>> Threads::print_on_error() is already doing, and remove repetitive code 
>> in the GCs.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8246622
>> Webrev: http://cr.openjdk.java.net/~pliden/8246622/webrev.0
>>
> Looks good,
> Stefan
> 
>> /Per