# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) + 91.584 us   |  can_send();
 0) + 79.840 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) ! 174.144 us  |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) ! 171.168 us  |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) ! 166.880 us  |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) ! 169.472 us  |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) ! 167.488 us  |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 75.168 us   |  can_send();
 0) ! 169.504 us  |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 167.296 us  |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) ! 160.352 us  |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) ! 172.832 us  |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) ! 167.712 us  |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 76.064 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 77.312 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 76.288 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 75.584 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 77.888 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) ! 167.872 us  |  can_send();
 0) + 75.936 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 171.200 us  |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 167.296 us  |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 171.104 us  |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) ! 167.040 us  |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 74.624 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) ! 172.640 us  |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) ! 166.848 us  |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 72.064 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) ! 171.200 us  |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) ! 167.552 us  |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) ! 172.256 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) ! 167.552 us  |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 75.360 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 169.824 us  |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) ! 166.752 us  |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) ! 170.592 us  |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) ! 168.160 us  |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 74.624 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 74.560 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) ! 170.240 us  |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) ! 167.456 us  |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) ! 172.096 us  |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) ! 168.416 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 74.592 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) ! 176.192 us  |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) ! 166.592 us  |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) ! 169.216 us  |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 166.880 us  |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.968 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) ! 170.720 us  |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 74.912 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 71.648 us   |  can_send();
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