# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) ! 236.128 us  |  can_send();
 0) + 77.216 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) ! 175.040 us  |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) ! 167.808 us  |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) ! 164.128 us  |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) ! 160.736 us  |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 72.576 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) ! 166.464 us  |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) ! 164.800 us  |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) ! 163.904 us  |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) ! 165.856 us  |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) ! 165.472 us  |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 75.104 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) ! 165.088 us  |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) ! 165.504 us  |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) ! 164.896 us  |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 165.600 us  |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) ! 166.624 us  |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) ! 165.408 us  |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) ! 160.704 us  |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) ! 166.688 us  |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) ! 163.776 us  |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 72.576 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 75.104 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) ! 167.936 us  |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) ! 164.192 us  |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) ! 166.048 us  |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) ! 166.240 us  |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) ! 165.600 us  |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) ! 164.576 us  |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) ! 164.672 us  |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) ! 166.400 us  |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) ! 163.488 us  |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 77.056 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) ! 164.160 us  |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) ! 165.536 us  |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) ! 164.704 us  |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) ! 168.352 us  |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) ! 164.704 us  |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) ! 170.816 us  |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) ! 168.736 us  |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) ! 164.608 us  |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 72.672 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) ! 167.648 us  |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) ! 165.056 us  |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) ! 160.576 us  |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.784 us   |  can_send();
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