# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) + 92.320 us   |  can_send();
 0) + 80.448 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) ! 177.312 us  |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) ! 177.504 us  |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 74.560 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) ! 172.576 us  |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) ! 171.584 us  |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) ! 171.936 us  |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) ! 170.464 us  |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 74.848 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 75.040 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) ! 173.472 us  |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 75.360 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) ! 173.632 us  |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 72.704 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 72.864 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 74.944 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) ! 173.920 us  |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 74.432 us   |  can_send();
 0) + 76.576 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) ! 172.448 us  |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) ! 170.048 us  |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 74.880 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) ! 172.928 us  |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) ! 170.272 us  |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 72.352 us   |  can_send();
 0) + 72.544 us   |  can_send();
 0) + 77.184 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 83.552 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) ! 172.800 us  |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) ! 172.608 us  |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) ! 171.008 us  |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 75.136 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) ! 172.576 us  |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) ! 170.752 us  |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 75.232 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) ! 171.424 us  |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 74.880 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 75.264 us   |  can_send();
 0) + 74.272 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 74.688 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 74.016 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 77.024 us   |  can_send();
 0) ! 172.864 us  |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) ! 172.256 us  |  can_send();
 0) + 74.080 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) ! 169.632 us  |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 75.040 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) ! 175.488 us  |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) ! 168.064 us  |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 75.104 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) ! 172.288 us  |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.816 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 74.400 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) ! 172.864 us  |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 172.160 us  |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) ! 170.816 us  |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) ! 172.320 us  |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) ! 170.144 us  |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 72.896 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 75.296 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) ! 172.800 us  |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 75.168 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 72.992 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 74.912 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 76.576 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 177.472 us  |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 74.624 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 74.944 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) ! 172.896 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) ! 170.464 us  |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 74.624 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) ! 172.480 us  |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) ! 170.688 us  |  can_send();
 0) + 73.216 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 74.848 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) ! 172.160 us  |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) ! 170.880 us  |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.920 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 74.848 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 173.952 us  |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) ! 170.112 us  |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 74.880 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) ! 175.360 us  |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) ! 166.688 us  |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) ! 171.104 us  |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 74.496 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 75.040 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) ! 174.048 us  |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 73.088 us   |  can_send();
 0) ! 168.640 us  |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 74.784 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) ! 172.736 us  |  can_send();
 0) + 74.208 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) ! 170.464 us  |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 74.720 us   |  can_send();
 0) + 73.760 us   |  can_send();
 0) ! 174.784 us  |  can_send();
 0) + 73.952 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) ! 169.440 us  |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 75.424 us   |  can_send();
 0) + 74.368 us   |  can_send();
 0) ! 172.864 us  |  can_send();
 0) + 74.240 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 75.424 us   |  can_send();
 0) + 73.440 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 74.176 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 77.792 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.856 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.568 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.344 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 73.536 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 74.048 us   |  can_send();
 0) + 73.664 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) ! 172.992 us  |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.504 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 74.528 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 74.336 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 75.200 us   |  can_send();
 0) + 73.216 us   |  can_send();
 0) ! 173.248 us  |  can_send();
 0) + 73.984 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.152 us   |  can_send();
 0) + 75.072 us   |  can_send();
 0) + 73.024 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.888 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) + 73.184 us   |  can_send();
 0) + 74.752 us   |  can_send();
 0) + 73.600 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 74.144 us   |  can_send();
 0) + 73.728 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 74.112 us   |  can_send();
 0) + 73.696 us   |  can_send();
 0) + 73.472 us   |  can_send();
 0) + 74.304 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 72.736 us   |  can_send();
 0) + 78.336 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 72.960 us   |  can_send();
 0) + 73.824 us   |  can_send();
 0) + 73.120 us   |  can_send();
 0) + 73.056 us   |  can_send();
 0) + 75.008 us   |  can_send();
 0) + 73.408 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) ! 168.160 us  |  can_send();
 0) + 73.280 us   |  can_send();
 0) + 73.632 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 75.616 us   |  can_send();
 0) + 73.248 us   |  can_send();
 0) ! 171.776 us  |  can_send();
 0) + 73.792 us   |  can_send();
 0) + 73.376 us   |  can_send();
 0) + 72.928 us   |  can_send();
 0) + 74.848 us   |  can_send();
 0) + 73.312 us   |  can_send();
 0) + 73.184 us   |  can_send();
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