RFR: 8151526: Print -Xlog configuration in the hs_err_pid file

[Coleen Phillimore]

Looks good to me.
Coleen

On 4/8/16 2:00 PM, Max Ockner wrote:
> If there are no further objections, I would like to commit this.
> Thanks,
> Max
>
> On 4/7/2016 4:56 PM, Max Ockner wrote:
>> OK I tested with jcmd and I needed to add one line above the log 
>> configuration to make both sets of code match.
>> webrev: http://cr.openjdk.java.net/~mockner/8151526.03/
>>
>> Thanks,
>> Max
>>
>> On 4/5/2016 3:45 PM, Coleen Phillimore wrote:
>>>
>>> This change looks good.  You found the duplicated code for jcmd.
>>>
>>> To test this before  you check this in to verify, start a JVM 
>>> running some java program in an infinite loop, and do jcmd <pid> 
>>> VM.info
>>>
>>> Thanks,
>>> Coleen
>>>
>>> On 3/29/16 3:00 PM, Max Ockner wrote:
>>>> Hello,
>>>> Please review another Unified Logging change. They are almost done, 
>>>> and we are serious this time.
>>>>
>>>> bug: https://bugs.openjdk.java.net/browse/JDK-8151526
>>>> webrev: http://cr.openjdk.java.net/~mockner/8151526.01/
>>>>
>>>> The logging configuration is now printed in each hs_err file. The 
>>>> output is the same as you would see from -Xlog:logging=trace and it 
>>>> is obtained from LogConfiguration::describe().
>>>>
>>>> Below is a sample of the hs_err contents. The Logging info is 
>>>> printed after VM Arguments and Whitebox, and before Environment 
>>>> Variables.
>>>>
>>>> VM Arguments:
>>>> java_command: Kaboom
>>>> java_class_path (initial): .
>>>> Launcher Type: SUN_STANDARD
>>>>
>>>> Logging:
>>>> Available log levels: off, trace, debug, info, warning, error
>>>> Available log decorators: time (t), uptime (u), timemillis (tm), 
>>>> uptimemillis (um), timenanos (tn), uptimenanos (un), hostname (hn), 
>>>> pid (p), tid (ti), level (l), tags (tg)
>>>> Available log tags: alloc, age, barrier, biasedlocking, bot, 
>>>> census, classhisto, classresolve, classinit, classload, 
>>>> classloaderdata, classunload, classpath, compaction, cpu, cset, 
>>>> defaultmethods, ergo, exceptions, exit, freelist, gc, heap, 
>>>> humongous, ihop, itables, jni, liveness, logging, marking, 
>>>> metaspace, modules, monitorinflation, os, phases, plab, promotion, 
>>>> preorder, protectiondomain, ref, refine, region, remset, safepoint, 
>>>> safepointcleanup, scavenge, scrub, stacktrace, start, startuptime, 
>>>> state, stats, stringdedup, stringtable, survivor, sweep, task, 
>>>> thread, tlab, time, verboseverification, verify, vmoperation, vtables
>>>> Log output configuration:
>>>> #0: stdout all=off uptime,level,tags,
>>>> #1: stderr all=warning uptime,level,tags,
>>>>
>>>> Environment Variables:
>>>> JAVA_HOME=/scratch/mockner/UL/8151526/build/linux-x86_64-normal-server-fastdebug/images/jdk 
>>>>
>>>> PATH=/home/mockner/tools/webrev:/bin:/usr/bin:/usr/local/bin:/usr/sbin:/home/mockner/bin:/home/mockner/linux/bin 
>>>>
>>>> SHELL=/bin/bash
>>>> OS=Linux
>>>>
>>>
>>
>