Profiler for long-running application

[Asad Dhamani]

I have a Flask application where I run a specific task asynchronously using 
Celery. Its basically parsing some HTML and inserting data into a Postgres 
database(using SQLAlchemy). However, the task seems to be running very slowly, 
at 1 insert per second. 
I'd like to find out where the bottleneck is, and I've been looking for a good 
profiler that'd let me do this, however, I couldn't find anything. Any 
recommendations would be great.
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