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lightningd: add --dev-no-version-checks, use if SLOW_MACHINE and VALGRIND

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Reduces VALGRIND=1 node_factory.line_graph(5) time on my laptop from 42s to 36s.

This is simply because forking all the subdaemons just to check the
version is very expensive under valgrind.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2020-07-22 21:37:22 +09:30
committed by Christian Decker
parent c85a433d9a
commit 1274d34822
4 changed files with 16 additions and 2 deletions
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3
contrib/pyln-testing/pyln/testing/utils.py
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@@ -579,6 +579,9 @@ class LightningNode(object):
self.daemon.opts["dev-disconnect"] = "dev_disconnect"
if DEVELOPER:
self.daemon.opts["dev-fail-on-subdaemon-fail"] = None
# Don't run --version on every subdaemon if we're valgrinding and slow.
if SLOW_MACHINE and VALGRIND:
self.daemon.opts["dev-no-version-checks"] = None
self.daemon.env["LIGHTNINGD_DEV_MEMLEAK"] = "1"
if os.getenv("DEBUG_SUBD"):
self.daemon.opts["dev-debugger"] = os.getenv("DEBUG_SUBD")