view tests/gpg/trustdb.gpg @ 39256:574e1d3bc667

demandimport: instrument python 2 code with trace events

This causes the evaluation of an import in Python 3 to emit some trace
data. There's some interesting wrinkles in here, like the fact that
before we even hit dispatch we've demand-imported `sys` several times,
despite the fact that `sys` was already fully loaded as one of the
first few statements in the `hg` script. I don't think that's actually
costing us a ton of performance, but it's probably something we should
investigate fixing some day.

Differential Revision: https://phab.mercurial-scm.org/D4347

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