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Differential D4280

perf: time loading branchmap caches
ClosedPublic

Authored by mjpieters on Aug 13 2018, 4:26 PM.

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Reviewers
durin42
Group Reviewers
hg-reviewers
Commits
rHG222aba766015: perf: time loading branchmap caches
rHGf16c3efe35e3: perf: time loading branchmap caches

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Repository
rHG Mercurial
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

mjpieters created this revision.Aug 13 2018, 4:26 PM
durin42 accepted this revision.Aug 15 2018, 11:06 PM
This revision is now accepted and ready to land.Aug 15 2018, 11:06 PM
Closed by commit rHGf16c3efe35e3: perf: time loading branchmap caches (authored by mjpieters). · Explain WhyAug 15 2018, 11:08 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

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Mcontrib/perf.py (23 lines)

Diff 10373

contrib/perf.py

if name is None: if name is None:
printname = 'unfiltered' printname = 'unfiltered'
timer(getbranchmap(name), title=str(printname)) timer(getbranchmap(name), title=str(printname))
finally: finally:
branchcacheread.restore() branchcacheread.restore()
branchcachewrite.restore() branchcachewrite.restore()
fm.end() fm.end()
@command('perfbranchmapload', [
('f', 'filter', '', 'Specify repoview filter'),
('', 'list', False, 'List brachmap filter caches'),
] + formatteropts)
def perfbranchmapread(ui, repo, filter='', list=False, **opts):
"""benchmark reading the branchmap"""
if list:
for name, kind, st in repo.cachevfs.readdir(stat=True):
if name.startswith('branch2'):
filtername = name.partition('-')[2] or 'unfiltered'
ui.status('%s - %s\n' % (filtername, util.bytecount(st.st_size)))
return
if filter:
repo = repoview.repoview(repo, filter)
else:
repo = repo.unfiltered()
# try once without timer, the filter may not be cached
if branchmap.read(repo) is None:
raise error.Abort('No brachmap cached for %s repo' % (filter or 'unfiltered'))
timer, fm = gettimer(ui, opts)
timer(lambda: branchmap.read(repo) and None)
fm.end()
@command('perfloadmarkers') @command('perfloadmarkers')
def perfloadmarkers(ui, repo): def perfloadmarkers(ui, repo):
"""benchmark the time to parse the on-disk markers for a repo """benchmark the time to parse the on-disk markers for a repo
Result is the number of markers in the repo.""" Result is the number of markers in the repo."""
timer, fm = gettimer(ui) timer, fm = gettimer(ui)
svfs = getsvfs(repo) svfs = getsvfs(repo)
timer(lambda: len(obsolete.obsstore(svfs))) timer(lambda: len(obsolete.obsstore(svfs)))