14182    25.0885  libc-2.5.so              poll
12896    22.8135  libc-2.5.so              syscall
7094     12.5495  libc-2.5.so              __epoll_wait_nocancel
2509      4.4385  libzmq.so.1.0.0          zmq::clock_t::rdtsc()
2129      3.7663  libc-2.5.so              __libc_disable_asynccancel
2080      3.6796  libev.so.4.0.0           ev_run
1765      3.1223  libc-2.5.so              __libc_enable_asynccancel
1415      2.5032  libev.so.4.0.0           epoll_poll
1040      1.8398  libzmq.so.1.0.0          zmq::socket_base_t::process_commands(int, bool)
979       1.7319  libzmq.so.1.0.0          zmq::socket_base_t::getsockopt(int, void*, unsigned long*)
950       1.6806  server                   zmq::socket_t::getsockopt(int, void*, unsigned long*)
946       1.6735  libev.so.4.0.0           ev_feed_event
893       1.5797  libzmq.so.1.0.0          zmq::mailbox_t::recv(zmq::command_t*, int)