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python: Make DOT config generation optional

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By default, DOT configs are always generated when pydot is present.
This change allows a user to pass an empty --dot-config='' to disable
generating the DOT configuration. This can be useful to save space, or
to reduce Gem5 startup time when running many small regression tests.

This brings the behavior in-line with providing an empty
--dump_config='' and/or --json_config='' which similarly disables
generation of those output files.

Change-Id: I5bf39fda0409b948a8d14f3afa95db8fc78de6ee
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/29232
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Michiel W. van Tol
2020-05-18 16:34:26 +01:00
committed by Giacomo Travaglini
parent 0767ade61b
commit 2bceeaafb4
1 changed files with 3 additions and 2 deletions
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5
src/python/m5/simulate.py
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@@ -107,8 +107,9 @@ def instantiate(ckpt_dir=None):
except ImportError:
pass
do_dot(root, options.outdir, options.dot_config)
do_ruby_dot(root, options.outdir, options.dot_config)
if options.dot_config:
do_dot(root, options.outdir, options.dot_config)
do_ruby_dot(root, options.outdir, options.dot_config)
# Initialize the global statistics
stats.initSimStats()