RFR: 8149991: Convert TraceSafepointCleanupTime to Unified Logging

[Max Ockner]

  Looks good to me.

Max

On 3/3/2016 4:30 PM, Rachel Protacio wrote:
> Thanks, Harold!
> Rachel
>
> On 3/3/2016 4:29 PM, harold seigel wrote:
>> Hi Rachel,
>>
>> The changes look good.
>>
>> Harold
>>
>> On 3/3/2016 3:35 PM, Rachel Protacio wrote:
>>> Hello!
>>>
>>> Coming close to the end of the logging conversions for now! Here's 
>>> one for TraceSafepointCleanupTime, which is turning into 
>>> -Xlog:safepointcleanup=info. As it has been a product option, it is 
>>> aliased in this change.
>>>
>>> To reiterate the conclusion from the TraceStartupTime conversion, I 
>>> ask that as long as there are no objections to the correctness of 
>>> the code, we allow this implementation for now, and I will then file 
>>> a follow-up bug for possible improvements to the switch statement 
>>> and TraceTime function signature situation. Since this is the only 
>>> other "TraceTime" conversion, TraceTime implementation changes will 
>>> be more succinctly addressable after this SafepointCleanupTime 
>>> change than before it.
>>>
>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8149991
>>> Open webrev: http://cr.openjdk.java.net/~rprotacio/8149991.01/
>>>
>>> Sample old output:
>>>
>>>    $ java -XX:+TraceSafepointCleanupTime -version
>>>    java version "9-internal"
>>>    Java(TM) SE Runtime Environment (fastdebug build
>>>    9-internal+0-2016-03-02-133604.rprotaci.8150083)
>>>    Java HotSpot(TM) 64-Bit Server VM (fastdebug build
>>>    9-internal+0-2016-03-02-133604.rprotaci.8150083, mixed mode)
>>>    [deflating idle monitors, 0.0000088 secs]
>>>    [updating inline caches, 0.0000007 secs]
>>>    [compilation policy safepoint handler, 0.0000009 secs]
>>>    [mark nmethods, 0.0000164 secs]
>>>    [purging class loader data graph, 0.0000002 secs]
>>>
>>> Sample new output:
>>>
>>>    $ java -Xlog:safepointcleanup -version
>>>    java version "9-internal"
>>>    Java(TM) SE Runtime Environment (fastdebug build
>>>    9-internal+0-2016-03-02-133610.rprotaci.8149991)
>>>    Java HotSpot(TM) 64-Bit Server VM (fastdebug build
>>>    9-internal+0-2016-03-02-133610.rprotaci.8149991, mixed mode)
>>>    [0.348s][info][safepointcleanup] deflating idle monitors, 
>>> 0.0000059 secs
>>>    [0.348s][info][safepointcleanup] updating inline caches, 
>>> 0.0000009 secs
>>>    [0.348s][info][safepointcleanup] compilation policy safepoint
>>>    handler, 0.0000006 secs
>>>    [0.348s][info][safepointcleanup] mark nmethods, 0.0000191 secs
>>>    [0.348s][info][safepointcleanup] purging class loader data graph,
>>>    0.0000001 secs
>>>
>>>
>>> Tested using JPRT and RBT hotspot and non-colo tests.
>>>
>>> Thanks!
>>> Rachel
>>>
>>>
>>
>