# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) ! 231.968 us  |  can_send();
 0) + 78.144 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) ! 178.752 us  |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) ! 179.328 us  |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 75.264 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.816 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 74.816 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) ! 171.168 us  |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 76.384 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) ! 171.488 us  |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 76.096 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 74.592 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.912 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.816 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) ! 167.584 us  |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 75.552 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) ! 171.648 us  |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 75.808 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 75.552 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 77.120 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) ! 167.936 us  |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 75.552 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) ! 171.936 us  |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 75.392 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.560 us   |  can_send();
 0) ! 171.712 us  |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 75.904 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) ! 171.712 us  |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 75.360 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 75.360 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) ! 174.880 us  |  can_send();
 0) + 75.264 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) ! 166.752 us  |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 75.488 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) ! 172.064 us  |  can_send();
 0) + 74.592 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 75.136 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 74.816 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 74.880 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 75.328 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 76.000 us   |  can_send();
 0) + 74.560 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) ! 167.456 us  |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) ! 172.352 us  |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) ! 169.536 us  |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 77.536 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 75.744 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) ! 171.104 us  |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 75.712 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.816 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.656 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.656 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) ! 166.976 us  |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) ! 174.688 us  |  can_send();
 0) + 75.264 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) ! 167.744 us  |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 74.976 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 75.776 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) ! 172.224 us  |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 75.296 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 74.880 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) ! 172.928 us  |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) ! 167.424 us  |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 75.424 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) ! 171.872 us  |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 75.328 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) ! 171.712 us  |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 74.912 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) ! 175.744 us  |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) ! 166.400 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 77.120 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 74.656 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) ! 169.280 us  |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 75.040 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 75.520 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) ! 172.704 us  |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 75.520 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) ! 171.008 us  |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 75.968 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) ! 172.512 us  |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 75.712 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 75.008 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) ! 172.384 us  |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) ! 169.248 us  |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 75.296 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) ! 171.712 us  |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 78.464 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) ! 168.704 us  |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 75.712 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) ! 172.512 us  |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 75.968 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 75.552 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 74.560 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 77.696 us   |  can_send();
 0) + 74.816 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) ! 168.352 us  |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 75.520 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) ! 171.680 us  |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 75.808 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 74.624 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 74.848 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.624 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) ! 171.520 us  |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 75.808 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) ! 171.584 us  |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.912 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.848 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) ! 172.384 us  |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) ! 169.056 us  |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 74.880 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) ! 171.616 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) ! 169.856 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 75.040 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) ! 172.704 us  |  can_send();
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