Samples: 478K of event 'cycles:pp', Event count (approx.): 90830079942
  Children      Self  Shared Object                        Symbol                                                                                                                                          ◆-   53.73%     0.00%  libQt5Widgets.so.5.5.1               [.] QApplicationPrivate::notify_helper                                                                                                          ▒   - QApplicationPrivate::notify_helper                                                                                                                                                                    ▒      - QApplication::notify                                                                                                                                                                               ▒           QCoreApplication::notifyInternal                                                                                                                                                                ▒+   53.70%     0.00%  libQt5Widgets.so.5.5.1               [.] QApplication::notify                                                                                                                        ▒+   52.95%     0.00%  libQt5Core.so.5.5.1                  [.] QCoreApplication::notifyInternal                                                                                                            ▒-   52.15%     0.43%  libxcb.so.1.1.0                      [.] _xcb_conn_wait                                                                                                                              ▒     _xcb_conn_wait                                                                                                                                                                                        ▒-   52.09%     0.00%  libQt5Quick.so.5.5.1                 [.] 0x000000000016650e                                                                                                                          ▒     0x7f4ef7d7850e                                                                                                                                                                                        ▒     0x7f4ef7d792a1                                                                                                                                                                                        ▒     QApplicationPrivate::notify_helper                                                                                                                                                                    ▒     QApplication::notify                                                                                                                                                                                  ▒     QCoreApplication::notifyInternal                                                                                                                                                                      ▒-   52.08%     0.10%  libxcb.so.1.1.0                      [.] wait_for_reply                                                                                                                              ▒   - wait_for_reply                                                                                                                                                                                        ▒      - xcb_wait_for_reply                                                                                                                                                                                 ▒         - _XReply                                                                                                                                                                                         ▒            - XSync                                                                                                                                                                                        ▒              0x7f4ef0622e4a                                                                                                                                                                               ▒              0x7f4ef9ea5342                                                                                                                                                                               ▒              QOpenGLContext::swapBuffers                                                                                                                                                                  ▒              0x7f4ef7d7850e                                                                                                                                                                               ▒              0x7f4ef7d792a1                                                                                                                                                                               ▒              QApplicationPrivate::notify_helper                                                                                                                                                           ▒              QApplication::notify                                                                                                                                                                         ▒              QCoreApplication::notifyInternal                                                                                                                                                             ▒+   51.44%     0.00%  libX11.so.6.3.0                      [.] _XReply                                                                                                                                     ▒-   51.43%     0.00%  libxcb.so.1.1.0                      [.] xcb_wait_for_reply                                                                                                                          ▒     xcb_wait_for_reply                                                                                                                                                                                    ▒+   43.43%     0.00%  libX11.so.6.3.0                      [.] XSync                                                                                                                                       ▒+   41.65%     0.00%  libQt5Gui.so.5.5.1                   [.] QOpenGLContext::swapBuffers                                                                                                                 ▒-   38.71%     0.67%  [kernel]                             [k] entry_SYSCALL_64_fastpath                                                                                                                   ▒   - entry_SYSCALL_64_fastpath                                                                                                                                                                             ▒      + 78.80% sys_recvmsg                                                                                                                                                                                 ▒      + 31.82% sys_futex                                                                                                                                                                                   ▒      + 12.16% sys_poll                                                                                                                                                                                    ▒        0.76% __lll_unlock_wake                                                                                                                                                                            ▒        0.71% __GI___libc_poll                                                                                                                                                                             ▒      - 0.68% __GI___libc_recvmsg                                                                                                                                                                          ▒           _xcb_in_read                                                                                                                                                                                    ▒+   36.90%     1.72%  libxcb.so.1.1.0                      [.] _xcb_in_read                                                                                                                                ▒-   24.48%     0.30%  libc-2.23.so                         [.] __GI___libc_recvmsg                                                                                                                         ▒   - __GI___libc_recvmsg                                                                                                                                                                                   ▒      - _xcb_in_read                                                                                                                                                                                       ▒         - _xcb_conn_wait                                                                                                                                                                                  ▒              wait_for_reply                                                                                                                                                                               ▒              xcb_wait_for_reply                                                                                                                                                                           ▒              _XReply                                                                                                                                                                                      ▒-   23.99%     0.03%  [kernel]                             [k] sys_recvmsg                                                                                                                                 ▒   - sys_recvmsg                                                                                                                                                                                           ▒      - __sys_recvmsg                                                                                                                                                                                      ▒         - 73.67% ___sys_recvmsg                                                                                                                                                                           ▒            - 70.04% sock_recvmsg                                                                                                                                                                          ▒               - 68.77% unix_stream_recvmsg                                                                                                                                                                ▒                  - 66.55% unix_stream_read_generic                                                                                                                                                        ▒                     + 36.99% consume_skb                                                                                                                                                                  ▒                     + 9.21% unix_stream_read_actor                                                                                                                                                        ▒                     + 7.73% __GI___libc_recvmsg                                                                                                                                                           ▒                     + 5.61% skb_unlink                                                                                                                                                                    ▒                     + 4.69% _raw_spin_lock                                                                                                                                                                ▒                       0.90% mutex_lock                                                                                                                                                                    ▒                       0.53% _raw_spin_unlock_irqrestore                                                                                                                                                   ▒                    0.59% mutex_unlock                                                                                                                                                                     ▒