On Oct 4, 2011, at 4:47 PM, Charles Oliver Nutter 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 :)
Fire away. > > First up... given this output from PrintCompilation, what do the "!" > and "n" and "%" mean? ! means the method is synchronized, n means it's a native method wrapper compile, and % means it's an OSR compile. > > Also, in Java 7 there's now two numbers instead of one at the begining > of the line...what are they? It's a timestamp in ms since the start of the VM. tom > > 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 > _______________________________________________ > mlvm-dev mailing list > mlvm-dev@openjdk.java.net > http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev _______________________________________________ mlvm-dev mailing list mlvm-dev@openjdk.java.net http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev
