| description: Explore Ultralytics YOLO Docs for a deep understanding of log_scalars, on_batch_end & other callback utilities embedded in the tensorboard module. | |
| keywords: Ultralytics, YOLO, documentation, callback utilities, log_scalars, on_batch_end, tensorboard | |
| # Reference for `ultralytics/utils/callbacks/tensorboard.py` | |
| !!! Note | |
| This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/tensorboard.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/tensorboard.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/utils/callbacks/tensorboard.py) 🛠️. Thank you 🙏! | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.tensorboard._log_scalars | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.tensorboard._log_tensorboard_graph | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.tensorboard.on_pretrain_routine_start | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.tensorboard.on_train_start | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.tensorboard.on_train_epoch_end | |
| <br><br> | |
| ## ::: ultralytics.utils.callbacks.tensorboard.on_fit_epoch_end | |
| <br><br> | |