tests: explicitly use ls profiler
In preparation for making the statprof profiler the default.
statprof: pass data structure to display functions
Currently, statprof maintains a global "state" variable that is used by
several functions. Global variables hinder adaptability of code.
So pass state to display functions so we can make changes to how
"state" works in future patches.
statprof: use absolute_imports
As part of this, we modify import order to satisfy our import
checker.
statprof: require paths to save or load profile data
Upstream appears to aggressively save statprof data in a well-defined
home directory path. Change the code to not do that.
We also change file saving to fail if an error has occurred
instead of silently failing. Callers can catch the exception.
This behavior is more suitable for a generic "library" module.
statprof: fix flake8 warnings
My local flake8 hook informed me of these warnings in the upstream
code. Fix them.
statprof: vendor statprof.py
Vendored from https://bitbucket.org/facebook/hg-experimental
changeset
73f9db47ae5a1a9fa29a98dfe92d557ad51234c3 without
modification.
This introduces a number of code style violations. The file
already has the magic words to skip test-check-code.t. I'll
make additional changes to clean up the test-check-py3-compat.t
warnings and to change some behavior in the code that isn't
suitable for general use.
test-check-commit.t also complains about numerous things. But
there's nothing we can do if we're importing as-is.