Help with JIT talk for tomorrow

[Krystal Mok]

I tried to document PrintCompilation a while ago, here: https://gist.github.com/1165804#file_notes.md
Hope it helps. Sorry for the late reply, we're in holiday this week here in China.

Regards,
Kris Mok

On 2011-10-5, at 7:47, Charles Oliver Nutter <headius at headius.com> wrote:

> Hey all...I'm updating and expanding my talk on C2 and will be posting
> some questions. Hopefully there's someone out there who can answer
> them :)
> 
> First up... given this output from PrintCompilation, what do the "!"
> and "n" and "%" mean?
> 
> Also, in Java 7 there's now two numbers instead of one at the begining
> of the line...what are they?
> 
>   1401   70             java.util.concurrent.ConcurrentHashMap::hash (49 bytes)
>   1412   71             java.lang.String::indexOf (7 bytes)
>   1420   72   !         java.io.BufferedReader::readLine (304 bytes)
>   1420   73             sun.nio.cs.UTF_8$Decoder::decodeArrayLoop (543 bytes)
>   1422   42             java.util.zip.ZipCoder::getBytes (192 bytes)
> made not entrant
>   1435   74     n       java.lang.Object::hashCode (0 bytes)
>   1443   29   !         sun.misc.URLClassPath$JarLoader::getResource
> (91 bytes)   made zombie
>   1443   25             sun.misc.URLClassPath::getResource (74 bytes)
>  made zombie
>   1443   36             sun.misc.URLClassPath::getResource (74 bytes)
>  made not entrant
>   1443   43             java.util.zip.ZipCoder::encoder (35 bytes)
> made not entrant
>   1449   75             java.lang.String::endsWith (15 bytes)
>   1631    1 %           sun.misc.URLClassPath::getResource @ 39 (74 bytes)
>   1665   76             java.lang.ClassLoader::checkName (43 bytes)
> 
> - Charlie
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