Mercurial > hg
view contrib/dirstatenonnormalcheck.py @ 36146:29dd37a418aa
bdiff: write a native version of splitnewlines
./hg perfunidiff mercurial/manifest.py 0 --count 500 --profile before:
! wall 0.309280 comb 0.350000 user 0.290000 sys 0.060000 (best of 32)
./hg perfunidiff mercurial/manifest.py 0 --count 500 --profile after:
! wall 0.241572 comb 0.260000 user 0.240000 sys 0.020000 (best of 39)
so it's about 20% faster. I hate Python. I wish we could usefully
write this in Rust, but it doesn't look like that's realistic without
using the cpython crate, which I'd still like to avoid.
Differential Revision: https://phab.mercurial-scm.org/D1973
author | Augie Fackler <augie@google.com> |
---|---|
date | Thu, 25 Jan 2018 21:16:28 -0500 |
parents | 6e7fae8f1c6c |
children | 2372284d9457 |
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# dirstatenonnormalcheck.py - extension to check the consistency of the # dirstate's non-normal map # # For most operations on dirstate, this extensions checks that the nonnormalset # contains the right entries. # It compares the nonnormal file to a nonnormalset built from the map of all # the files in the dirstate to check that they contain the same files. from __future__ import absolute_import from mercurial import ( dirstate, extensions, ) def nonnormalentries(dmap): """Compute nonnormal entries from dirstate's dmap""" res = set() for f, e in dmap.iteritems(): if e[0] != b'n' or e[3] == -1: res.add(f) return res def checkconsistency(ui, orig, dmap, _nonnormalset, label): """Compute nonnormalset from dmap, check that it matches _nonnormalset""" nonnormalcomputedmap = nonnormalentries(dmap) if _nonnormalset != nonnormalcomputedmap: ui.develwarn(b"%s call to %s\n" % (label, orig), config=b'dirstate') ui.develwarn(b"inconsistency in nonnormalset\n", config=b'dirstate') ui.develwarn(b"[nonnormalset] %s\n" % _nonnormalset, config=b'dirstate') ui.develwarn(b"[map] %s\n" % nonnormalcomputedmap, config=b'dirstate') def _checkdirstate(orig, self, arg): """Check nonnormal set consistency before and after the call to orig""" checkconsistency(self._ui, orig, self._map, self._map.nonnormalset, b"before") r = orig(self, arg) checkconsistency(self._ui, orig, self._map, self._map.nonnormalset, b"after") return r def extsetup(ui): """Wrap functions modifying dirstate to check nonnormalset consistency""" dirstatecl = dirstate.dirstate devel = ui.configbool(b'devel', b'all-warnings') paranoid = ui.configbool(b'experimental', b'nonnormalparanoidcheck') if devel: extensions.wrapfunction(dirstatecl, '_writedirstate', _checkdirstate) if paranoid: # We don't do all these checks when paranoid is disable as it would # make the extension run very slowly on large repos extensions.wrapfunction(dirstatecl, 'normallookup', _checkdirstate) extensions.wrapfunction(dirstatecl, 'otherparent', _checkdirstate) extensions.wrapfunction(dirstatecl, 'normal', _checkdirstate) extensions.wrapfunction(dirstatecl, 'write', _checkdirstate) extensions.wrapfunction(dirstatecl, 'add', _checkdirstate) extensions.wrapfunction(dirstatecl, 'remove', _checkdirstate) extensions.wrapfunction(dirstatecl, 'merge', _checkdirstate) extensions.wrapfunction(dirstatecl, 'drop', _checkdirstate)