# tracer: function_graph
#
# CPU  DURATION                  FUNCTION CALLS
# |     |   |                     |   |   |   |
 0) + 75.680 us   |  can_send();
 0) + 63.296 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.008 us   |  can_send();
 0) ! 170.144 us  |  can_send();
 0) + 60.096 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 60.192 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.968 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.008 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 61.024 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 60.256 us   |  can_send();
 0) + 58.976 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 60.128 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) ! 156.256 us  |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 60.416 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 61.152 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 60.160 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.072 us   |  can_send();
 0) + 61.152 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 61.216 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 59.424 us   |  can_send();
 0) + 60.320 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 59.936 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 65.056 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 58.944 us   |  can_send();
 0) + 61.344 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.104 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.104 us   |  can_send();
 0) + 59.936 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 60.768 us   |  can_send();
 0) + 58.976 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 60.000 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 59.936 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 60.064 us   |  can_send();
 0) + 60.096 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 59.424 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 60.000 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 61.120 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 60.064 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.104 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.936 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.424 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) ! 159.744 us  |  can_send();
 0) + 60.224 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 61.600 us   |  can_send();
 0) + 59.072 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 60.832 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 60.224 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.104 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 60.000 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 59.008 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 60.096 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 60.512 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 61.344 us   |  can_send();
 0) + 63.360 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.072 us   |  can_send();
 0) + 60.096 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 60.512 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.424 us   |  can_send();
 0) + 60.992 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 60.320 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.936 us   |  can_send();
 0) + 59.104 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 60.000 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 61.024 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 61.472 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 60.256 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 60.096 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 61.184 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.104 us   |  can_send();
 0) + 60.992 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.168 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.008 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 60.192 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 60.064 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 61.248 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 60.576 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.200 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.968 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 62.656 us   |  can_send();
 0) + 62.464 us   |  can_send();
 0) + 58.720 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 61.472 us   |  can_send();
 0) + 58.720 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) ! 320.864 us  |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.072 us   |  can_send();
 0) + 58.720 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 58.816 us   |  can_send();
 0) + 61.792 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.064 us   |  can_send();
 0) + 58.624 us   |  can_send();
 0) + 59.008 us   |  can_send();
 0) + 61.824 us   |  can_send();
 0) + 59.008 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 58.752 us   |  can_send();
 0) + 58.752 us   |  can_send();
 0) + 61.408 us   |  can_send();
 0) + 60.352 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 61.920 us   |  can_send();
 0) + 60.000 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.040 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.424 us   |  can_send();
 0) + 60.064 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.232 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 61.184 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 61.216 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 60.320 us   |  can_send();
 0) + 59.648 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 60.192 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 60.576 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 60.192 us   |  can_send();
 0) + 60.320 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) ! 159.200 us  |  can_send();
 0) + 60.480 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.936 us   |  can_send();
 0) + 61.696 us   |  can_send();
 0) + 59.424 us   |  can_send();
 0) + 59.616 us   |  can_send();
 0) + 61.568 us   |  can_send();
 0) + 60.160 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.064 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 60.000 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 60.416 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 60.512 us   |  can_send();
 0) + 60.288 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 60.640 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) ! 163.264 us  |  can_send();
 0) + 60.256 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.288 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 60.544 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.192 us   |  can_send();
 0) + 60.160 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 60.608 us   |  can_send();
 0) + 60.128 us   |  can_send();
 0) + 59.360 us   |  can_send();
 0) + 60.224 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.552 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 61.408 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.744 us   |  can_send();
 0) + 60.192 us   |  can_send();
 0) + 59.712 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.352 us   |  can_send();
 0) + 60.192 us   |  can_send();
 0) + 60.000 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 60.768 us   |  can_send();
 0) + 59.488 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.160 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.808 us   |  can_send();
 0) ! 158.816 us  |  can_send();
 0) + 60.960 us   |  can_send();
 0) + 60.032 us   |  can_send();
 0) + 59.680 us   |  can_send();
 0) + 61.600 us   |  can_send();
 0) + 60.128 us   |  can_send();
 0) + 59.776 us   |  can_send();
 0) + 60.864 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 61.184 us   |  can_send();
 0) + 59.392 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.936 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 59.424 us   |  can_send();
 0) + 59.840 us   |  can_send();
 0) + 59.328 us   |  can_send();
 0) + 59.296 us   |  can_send();
 0) + 59.904 us   |  can_send();
 0) + 59.520 us   |  can_send();
 0) + 59.456 us   |  can_send();
 0) + 59.872 us   |  can_send();
 0) + 59.584 us   |  can_send();
 0) + 60.128 us   |  can_send();
 0) + 60.064 us   |  can_send();
 0) + 59.136 us   |  can_send();
 0) + 59.264 us   |  can_send();
 0) + 59.712 us   |  can_send();
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