Re: Howto: Profiling GCJ code?
Bryce McKinlay <[email protected]>
| Newsgroups | gmane.comp.gcc.java.devel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Jun 22, 2009 at 8:25 PM, Patrick Schäfer<[email protected]> wrote: > thank you for the help! > > oprofiler is quite troublesome to build on my mac os x as there a lots of > libraries missing. currently "bfd" (-lbfd) is missing. > > therefor I am still not sure if java.nio is the main reason for the > performance bottleneck but apache mina is also capable of using APR as a > transport layer (instead of java.nio). that could improve overall > performance too. oprofile requires explicit kernel support to work, and as far as I know, it only works on Linux. In OS X you could try Shark, which comes with Apple's developer tools. I don't know how well it plays with libgcj, but it's probably worth a shot. Bryce