Re: [rvm-research] Profile the locks in Java applications with Jikes

[Junjie Q. <jun...@ya...>]

Hi Michael,

Thank you for the explanation!
 
Thanks!
Best
Junjie



On Monday, February 17, 2014 5:52 AM, Michael Bond <mik...@cs...> wrote:
 
Hi Junjie,

You can set STATS = true in org.jikesrvm.scheduler.Lock, which will
    collect and report stats such as ThinLock.fastLocks.

Note that ThinLock.inlineLock and ThinLock.inlineUnlock don't
    increment ThinLock.fastLocks, so the count won't be accurate if
    calls to ThinLock.inlineLock and ThinLock.inlineUnlock are inserted,
    which the opt compiler does by default.

Cheers,
Mike


On 02/16/2014 10:05 PM, Junjie Qian wrote:

Dear all,

I read from some papers that they are able to profile the lock events of multithread applications in JVM. 

Is this provided by Jikes too, I mean, is there any options in Jikes provide the information such as how many locks happen during the run? 

I know we can get this information with counter implementation in RVMthread, but just want to know is there any convenient ways to get this information. 
 
Thanks!
Best
Junjie


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