# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) ! 230.976 us  |  can_send();
 0) + 76.768 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) ! 176.960 us  |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) ! 177.024 us  |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) ! 166.784 us  |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 72.672 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) ! 170.400 us  |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) ! 168.224 us  |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 72.288 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 72.672 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) ! 171.456 us  |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) ! 165.792 us  |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) ! 170.720 us  |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) ! 168.256 us  |  can_send();
 0) + 70.304 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) ! 171.680 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) ! 167.776 us  |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 70.336 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) ! 169.792 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) ! 167.328 us  |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 72.576 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 72.512 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) ! 169.152 us  |  can_send();
 0) + 72.224 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) ! 167.648 us  |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.464 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 72.512 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) ! 171.552 us  |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 165.312 us  |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) ! 170.752 us  |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) ! 168.480 us  |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) ! 170.880 us  |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) ! 167.392 us  |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) ! 172.896 us  |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) ! 168.096 us  |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 75.008 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) ! 169.888 us  |  can_send();
 0) + 71.840 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) ! 162.752 us  |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) ! 172.448 us  |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) ! 166.208 us  |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) ! 169.184 us  |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 70.368 us   |  can_send();
 0) ! 167.040 us  |  can_send();
 0) + 71.392 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.848 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) ! 165.344 us  |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) ! 168.928 us  |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) ! 168.608 us  |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 74.656 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 69.952 us   |  can_send();
 0) + 69.600 us   |  can_send();
 0) + 70.208 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 69.792 us   |  can_send();
 0) + 69.536 us   |  can_send();
 0) + 87.328 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 70.176 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) ! 171.808 us  |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 72.640 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) ! 171.520 us  |  can_send();
 0) + 72.256 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) ! 168.128 us  |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 72.480 us   |  can_send();
 0) + 70.432 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 72.384 us   |  can_send();
 0) + 70.944 us   |  can_send();
 0) + 70.560 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 70.912 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 70.752 us   |  can_send();
 0) ! 169.184 us  |  can_send();
 0) + 71.520 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) ! 168.096 us  |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 70.400 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 70.272 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 70.528 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.424 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.488 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 70.784 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 70.816 us   |  can_send();
 0) + 72.672 us   |  can_send();
 0) + 70.080 us   |  can_send();
 0) + 69.888 us   |  can_send();
 0) + 76.544 us   |  can_send();
 0) + 75.264 us   |  can_send();
 0) + 71.744 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 72.128 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.584 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 72.096 us   |  can_send();
 0) + 71.136 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.552 us   |  can_send();
 0) + 71.776 us   |  can_send();
 0) + 70.880 us   |  can_send();
 0) + 71.328 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) ! 171.424 us  |  can_send();
 0) + 72.192 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 71.456 us   |  can_send();
 0) + 71.232 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.104 us   |  can_send();
 0) + 71.648 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 72.448 us   |  can_send();
 0) + 71.168 us   |  can_send();
 0) + 71.200 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.936 us   |  can_send();
 0) + 71.808 us   |  can_send();
 0) + 71.264 us   |  can_send();
 0) + 71.712 us   |  can_send();
 0) + 72.160 us   |  can_send();
 0) + 71.360 us   |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 71.872 us   |  can_send();
 0) + 71.680 us   |  can_send();
 0) + 71.296 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) ! 171.424 us  |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 70.624 us   |  can_send();
 0) ! 167.104 us  |  can_send();
 0) + 71.616 us   |  can_send();
 0) + 70.688 us   |  can_send();
 0) + 71.008 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 71.072 us   |  can_send();
 0) + 70.720 us   |  can_send();
 0) + 72.672 us   |  can_send();
 0) + 70.976 us   |  can_send();
 0) + 70.592 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 71.040 us   |  can_send();
 0) + 70.496 us   |  can_send();
 0) + 72.416 us   |  can_send();
 0) + 70.656 us   |  can_send();
 0) + 70.752 us   |  can_send();
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