# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) + 83.136 us   |  can_send();
 0) + 67.040 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 61.792 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 61.760 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.688 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.880 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) ! 175.904 us  |  can_send();
 0) + 62.944 us   |  can_send();
 0) + 60.992 us   |  can_send();
 0) + 61.632 us   |  can_send();
 0) + 63.840 us   |  can_send();
 0) + 61.280 us   |  can_send();
 0) + 61.280 us   |  can_send();
 0) + 77.120 us   |  can_send();
 0) + 61.312 us   |  can_send();
 0) + 61.632 us   |  can_send();
 0) + 67.680 us   |  can_send();
 0) + 61.280 us   |  can_send();
 0) + 61.312 us   |  can_send();
 0) + 64.384 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 61.536 us   |  can_send();
 0) + 61.088 us   |  can_send();
 0) ! 242.432 us  |  can_send();
 0) + 62.976 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 61.408 us   |  can_send();
 0) + 61.664 us   |  can_send();
 0) + 61.600 us   |  can_send();
 0) + 65.408 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 62.688 us   |  can_send();
 0) + 61.504 us   |  can_send();
 0) + 61.152 us   |  can_send();
 0) + 66.208 us   |  can_send();
 0) + 61.888 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.688 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) ! 163.616 us  |  can_send();
 0) + 63.520 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) ! 158.528 us  |  can_send();
 0) + 63.328 us   |  can_send();
 0) + 61.760 us   |  can_send();
 0) ! 157.632 us  |  can_send();
 0) + 63.584 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 63.872 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 63.360 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 61.888 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 61.856 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.752 us   |  can_send();
 0) + 61.792 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 63.040 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 64.384 us   |  can_send();
 0) + 66.144 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 63.552 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 63.840 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 61.824 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.880 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 61.760 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 61.888 us   |  can_send();
 0) + 64.352 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 63.776 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 63.008 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 61.856 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.752 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.752 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 64.640 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 63.584 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 64.448 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.144 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.752 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.144 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 64.576 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 64.672 us   |  can_send();
 0) + 61.824 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.688 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 63.168 us   |  can_send();
 0) + 62.144 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 61.792 us   |  can_send();
 0) + 62.880 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 63.072 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 63.776 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 66.048 us   |  can_send();
 0) + 64.000 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 62.144 us   |  can_send();
 0) + 63.648 us   |  can_send();
 0) + 61.856 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 64.640 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 63.264 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 63.392 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 63.968 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 64.384 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 61.792 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.880 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.848 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 64.224 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 63.360 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 61.888 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.848 us   |  can_send();
 0) + 61.568 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.848 us   |  can_send();
 0) + 64.064 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 63.776 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 64.256 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.688 us   |  can_send();
 0) + 61.760 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 61.760 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 63.136 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 67.872 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 64.160 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 61.856 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 61.888 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 65.248 us   |  can_send();
 0) + 61.792 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 63.520 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 64.288 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 62.688 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 61.824 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.144 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.752 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 62.848 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 64.160 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 64.320 us   |  can_send();
 0) + 61.984 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.272 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.688 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 63.040 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 61.760 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 65.600 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 64.320 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.848 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.048 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 62.784 us   |  can_send();
 0) + 62.752 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 62.880 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 63.200 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) ! 162.144 us  |  can_send();
 0) + 63.296 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) ! 157.184 us  |  can_send();
 0) + 63.040 us   |  can_send();
 0) + 66.784 us   |  can_send();
 0) ! 156.704 us  |  can_send();
 0) + 62.944 us   |  can_send();
 0) + 62.400 us   |  can_send();
 0) + 62.368 us   |  can_send();
 0) + 64.320 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.944 us   |  can_send();
 0) + 64.000 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.944 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 63.200 us   |  can_send();
 0) + 63.360 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 63.040 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.240 us   |  can_send();
 0) + 62.752 us   |  can_send();
 0) + 63.136 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) ! 160.192 us  |  can_send();
 0) + 63.904 us   |  can_send();
 0) + 62.528 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 63.328 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.976 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.336 us   |  can_send();
 0) + 63.008 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.848 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.560 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 63.008 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.496 us   |  can_send();
 0) + 63.136 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 62.720 us   |  can_send();
 0) + 64.128 us   |  can_send();
 0) + 62.112 us   |  can_send();
 0) + 61.952 us   |  can_send();
 0) + 64.416 us   |  can_send();
 0) + 62.176 us   |  can_send();
 0) + 62.144 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.016 us   |  can_send();
 0) + 62.816 us   |  can_send();
 0) + 62.144 us   |  can_send();
 0) + 62.208 us   |  can_send();
 0) + 62.624 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 62.432 us   |  can_send();
 0) + 62.912 us   |  can_send();
 0) + 62.880 us   |  can_send();
 0) + 62.304 us   |  can_send();
 0) + 62.592 us   |  can_send();
 0) + 62.080 us   |  can_send();
 0) + 62.560 us   |  can_send();
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