Hi Ramki, Anything to improve visibility of the CodeCache would be hugely appreciated!
Regards, Kirk On Jun 10, 2015, at 9:15 AM, Srinivas Ramakrishna <ysr1...@gmail.com> wrote: > > I filed https://bugs.openjdk.java.net/browse/JDK-8087107 and attached a patch > to the ticket that exposes some useful code cache stats as perf data counters: > > $ jcmd <pid> PerfCounter.print | grep -i "sun\.ci\." > sun.ci.codeCacheCapacity=6291456 > sun.ci.codeCacheMaxCapacity=6291456 > sun.ci.codeCacheMethodsReclaimedNum=1030 > sun.ci.codeCacheSweepsTotalNum=93 > sun.ci.codeCacheSweepsTotalTimeMillis=63 > sun.ci.codeCacheUsed=3386880 > ... > > At Twitter, we've found this useful for easy monitoring of code cache > activity, and would like to see this integrated into OpenJDK. > > thanks! > -- ramki
