Mercurial > public > mercurial-scm > hg
comparison contrib/perf.py @ 30307:c8fa7ad1ff90
perf: add perfbdiff
bdiff shows up a lot in profiling. I think it would be useful to have
a perf command that runs bdiff over and over so we can find hot spots.
| author | Gregory Szorc <gregory.szorc@gmail.com> |
|---|---|
| date | Sat, 05 Nov 2016 23:41:52 -0700 |
| parents | 3c8811efdddc |
| children | 7d91a085ebe6 |
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| 30306:5581b294f3c6 | 30307:c8fa7ad1ff90 |
|---|---|
| 23 import os | 23 import os |
| 24 import random | 24 import random |
| 25 import sys | 25 import sys |
| 26 import time | 26 import time |
| 27 from mercurial import ( | 27 from mercurial import ( |
| 28 bdiff, | |
| 28 changegroup, | 29 changegroup, |
| 29 cmdutil, | 30 cmdutil, |
| 30 commands, | 31 commands, |
| 31 copies, | 32 copies, |
| 32 error, | 33 error, |
| 744 for p in s.fncache.entries: | 745 for p in s.fncache.entries: |
| 745 s.encode(p) | 746 s.encode(p) |
| 746 timer(d) | 747 timer(d) |
| 747 fm.end() | 748 fm.end() |
| 748 | 749 |
| 750 @command('perfbdiff', revlogopts + formatteropts, '-c|-m|FILE REV') | |
| 751 def perfbdiff(ui, repo, file_, rev=None, **opts): | |
| 752 """benchmark a bdiff between a revision and its delta parent""" | |
| 753 if opts.get('changelog') or opts.get('manifest'): | |
| 754 file_, rev = None, file_ | |
| 755 elif rev is None: | |
| 756 raise error.CommandError('perfbdiff', 'invalid arguments') | |
| 757 | |
| 758 r = cmdutil.openrevlog(repo, 'perfbdiff', file_, opts) | |
| 759 | |
| 760 node = r.lookup(rev) | |
| 761 rev = r.rev(node) | |
| 762 dp = r.deltaparent(rev) | |
| 763 | |
| 764 text1 = r.revision(dp) | |
| 765 text2 = r.revision(node) | |
| 766 | |
| 767 def d(): | |
| 768 bdiff.bdiff(text1, text2) | |
| 769 | |
| 770 timer, fm = gettimer(ui, opts) | |
| 771 timer(d) | |
| 772 fm.end() | |
| 773 | |
| 749 @command('perfdiffwd', formatteropts) | 774 @command('perfdiffwd', formatteropts) |
| 750 def perfdiffwd(ui, repo, **opts): | 775 def perfdiffwd(ui, repo, **opts): |
| 751 """Profile diff of working directory changes""" | 776 """Profile diff of working directory changes""" |
| 752 timer, fm = gettimer(ui, opts) | 777 timer, fm = gettimer(ui, opts) |
| 753 options = { | 778 options = { |