# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) + 96.064 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 75.072 us   |  can_send();
 0) + 69.728 us   |  can_send();
 0) + 69.920 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 69.600 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 69.568 us   |  can_send();
 0) + 69.792 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) ! 173.280 us  |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) ! 161.824 us  |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 69.696 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) ! 166.464 us  |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) ! 165.664 us  |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 70.368 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 69.920 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 69.728 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) ! 167.072 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) ! 162.720 us  |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 69.696 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 69.920 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 69.920 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) ! 166.560 us  |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) ! 163.392 us  |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 69.728 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) ! 165.376 us  |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) ! 164.384 us  |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) ! 167.616 us  |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) ! 163.456 us  |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.368 us   |  can_send();
 0) + 72.672 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) ! 167.584 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) ! 164.160 us  |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 69.760 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) ! 167.648 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) ! 164.640 us  |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 69.728 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) ! 167.392 us  |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) ! 164.288 us  |  can_send();
 0) + 70.368 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 72.576 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) ! 168.128 us  |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) ! 163.904 us  |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 69.792 us   |  can_send();
 0) ! 167.072 us  |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) ! 163.968 us  |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) ! 167.136 us  |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 69.760 us   |  can_send();
 0) + 69.664 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 69.760 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) ! 167.008 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 69.664 us   |  can_send();
 0) ! 164.608 us  |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 69.696 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 69.792 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 69.376 us   |  can_send();
 0) + 69.376 us   |  can_send();
 0) + 74.656 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 69.792 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 69.504 us   |  can_send();
 0) + 68.896 us   |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 68.992 us   |  can_send();
 0) + 69.440 us   |  can_send();
 0) + 76.064 us   |  can_send();
 0) + 69.696 us   |  can_send();
 0) + 69.760 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 69.024 us   |  can_send();
 0) + 68.736 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 68.832 us   |  can_send();
 0) + 69.664 us   |  can_send();
 0) + 69.280 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 69.920 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) ! 166.240 us  |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 69.792 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 69.728 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 69.664 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 69.760 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) ! 168.640 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) ! 162.016 us  |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 69.760 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) ! 167.488 us  |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) ! 163.904 us  |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 69.920 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 69.792 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) ! 165.696 us  |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) ! 166.208 us  |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) + 69.984 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 75.520 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 70.304 us   |  can_send();
 0) ! 165.792 us  |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) ! 164.704 us  |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) ! 167.168 us  |  can_send();
 0) + 72.672 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) ! 164.064 us  |  can_send();
 0) + 70.368 us   |  can_send();
 0) + 70.368 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) ! 166.848 us  |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.240 us   |  can_send();
 0) ! 164.928 us  |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 69.824 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 69.856 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 70.112 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.048 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 69.280 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) ! 195.808 us  |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 70.016 us   |  can_send();
 0) ! 166.272 us  |  can_send();
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