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Start profiling TensorFlow performance.

Used in the notebooks

Used in the guide Used in the tutorials

logdir Profiling results log directory.
options ProfilerOptions namedtuple to specify miscellaneous profiler options. See example usage below.

AlreadyExistsError If a profiling session is already running.

Example usage:

options = tf.profiler.experimental.ProfilerOptions(host_tracer_level = 3,
                                                   python_tracer_level = 1,
                                                   device_tracer_level = 1)
tf.profiler.experimental.start('logdir_path', options = options)
# Training code here

To view the profiling results, launch TensorBoard and point it to logdir. Open your browser and go to localhost:6006/#profile to view profiling results.