# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) + 93.088 us   |  can_send();
 0) + 75.776 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) ! 176.288 us  |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) ! 172.160 us  |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) ! 170.976 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) ! 168.864 us  |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) ! 169.856 us  |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 77.504 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) ! 168.992 us  |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) ! 172.992 us  |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 75.264 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) ! 169.536 us  |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) ! 171.296 us  |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) ! 169.088 us  |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) ! 171.136 us  |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) ! 169.152 us  |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 72.416 us   |  can_send();
 0) ! 170.240 us  |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) ! 169.632 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 77.760 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) ! 171.904 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 72.576 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) ! 168.480 us  |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) ! 172.000 us  |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) ! 168.704 us  |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) ! 173.184 us  |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) ! 168.032 us  |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) ! 172.064 us  |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.144 us   |  can_send();
 0) + 75.904 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) ! 169.248 us  |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) ! 171.456 us  |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) ! 168.672 us  |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 77.408 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) ! 175.104 us  |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) ! 166.496 us  |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) ! 171.168 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) ! 168.736 us  |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 172.192 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) ! 168.512 us  |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) ! 172.064 us  |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 75.200 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 83.552 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) ! 172.640 us  |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) ! 170.080 us  |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) ! 168.800 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 72.512 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) ! 171.904 us  |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 76.032 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) ! 170.176 us  |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) ! 168.832 us  |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.552 us   |  can_send();
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