# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) + 94.656 us   |  can_send();
 0) + 78.816 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) ! 175.744 us  |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 75.072 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 171.456 us  |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 72.768 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) ! 171.424 us  |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) ! 171.808 us  |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) ! 164.192 us  |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) ! 170.784 us  |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) ! 171.744 us  |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) ! 173.600 us  |  can_send();
 0) + 74.848 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) ! 165.600 us  |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 74.944 us   |  can_send();
 0) + 76.896 us   |  can_send();
 0) ! 170.368 us  |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 75.136 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) ! 172.576 us  |  can_send();
 0) + 75.136 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) ! 166.432 us  |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) ! 172.160 us  |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.560 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) ! 171.712 us  |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 75.136 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 170.592 us  |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 75.168 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 72.320 us   |  can_send();
 0) + 71.904 us   |  can_send();
 0) + 76.672 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) ! 171.232 us  |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 74.624 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) ! 171.648 us  |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) ! 169.984 us  |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 74.976 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) ! 171.488 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 75.232 us   |  can_send();
 0) + 76.800 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 72.608 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) ! 170.784 us  |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 74.880 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) ! 172.928 us  |  can_send();
 0) + 75.328 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) ! 166.592 us  |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) ! 170.208 us  |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 72.032 us   |  can_send();
 0) + 72.000 us   |  can_send();
 0) + 80.704 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) ! 168.224 us  |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 172.160 us  |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 78.048 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) ! 170.080 us  |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) ! 173.216 us  |  can_send();
 0) + 74.656 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) ! 171.904 us  |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) ! 170.432 us  |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) ! 169.472 us  |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) ! 170.848 us  |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 169.152 us  |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 75.392 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) ! 172.128 us  |  can_send();
 0) + 75.200 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.656 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 78.240 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) ! 166.880 us  |  can_send();
 0) + 72.832 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) ! 171.072 us  |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) ! 170.016 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 75.104 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 171.808 us  |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) ! 168.064 us  |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 72.800 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) ! 172.672 us  |  can_send();
 0) + 75.072 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) ! 166.720 us  |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) ! 172.160 us  |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 75.136 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 75.040 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) ! 173.056 us  |  can_send();
 0) + 75.584 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) ! 165.248 us  |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) ! 171.712 us  |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) ! 169.184 us  |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 74.464 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 75.968 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) ! 171.168 us  |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 75.328 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 75.648 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) ! 172.992 us  |  can_send();
 0) + 75.584 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.856 us   |  can_send();
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