Mercurial > public > mercurial-scm > hg
comparison mercurial/revlogutils/debug.py @ 49819:b1e4c74beb6f
debug: add debug-revlog-stats command
Display statistics about revlogs in the store. Useful to get an approximate
size of a repository, etc. More statistics will be added in the future.
| author | Franck Bret <franck.bret@octobus.net> |
|---|---|
| date | Mon, 19 Dec 2022 16:22:01 +0100 |
| parents | 05db41701ece |
| children | 47b44d80d836 |
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| 49818:3fd5824f1177 | 49819:b1e4c74beb6f |
|---|---|
| 659 flags, | 659 flags, |
| 660 ) | 660 ) |
| 661 | 661 |
| 662 fh = revlog._datafp() | 662 fh = revlog._datafp() |
| 663 deltacomputer.finddeltainfo(revinfo, fh, target_rev=rev) | 663 deltacomputer.finddeltainfo(revinfo, fh, target_rev=rev) |
| 664 | |
| 665 | |
| 666 def _get_revlogs(repo, changelog: bool, manifest: bool, filelogs: bool): | |
| 667 """yield revlogs from this repository""" | |
| 668 if changelog: | |
| 669 yield repo.changelog | |
| 670 | |
| 671 if manifest: | |
| 672 # XXX: Handle tree manifest | |
| 673 root_mf = repo.manifestlog.getstorage(b'') | |
| 674 assert not root_mf._treeondisk | |
| 675 yield root_mf._revlog | |
| 676 | |
| 677 if filelogs: | |
| 678 files = set() | |
| 679 for rev in repo: | |
| 680 ctx = repo[rev] | |
| 681 files |= set(ctx.files()) | |
| 682 | |
| 683 for f in sorted(files): | |
| 684 yield repo.file(f)._revlog | |
| 685 | |
| 686 | |
| 687 def debug_revlog_stats( | |
| 688 repo, fm, changelog: bool, manifest: bool, filelogs: bool | |
| 689 ): | |
| 690 """Format revlog statistics for debugging purposes | |
| 691 | |
| 692 fm: the output formatter. | |
| 693 """ | |
| 694 fm.plain(b'rev-count data-size inl type target \n') | |
| 695 | |
| 696 for rlog in _get_revlogs(repo, changelog, manifest, filelogs): | |
| 697 fm.startitem() | |
| 698 nb_rev = len(rlog) | |
| 699 inline = rlog._inline | |
| 700 data_size = rlog._get_data_offset(nb_rev - 1) | |
| 701 | |
| 702 target = rlog.target | |
| 703 revlog_type = b'unknown' | |
| 704 revlog_target = b'' | |
| 705 if target[0] == constants.KIND_CHANGELOG: | |
| 706 revlog_type = b'changelog' | |
| 707 elif target[0] == constants.KIND_MANIFESTLOG: | |
| 708 revlog_type = b'manifest' | |
| 709 revlog_target = target[1] | |
| 710 elif target[0] == constants.KIND_FILELOG: | |
| 711 revlog_type = b'file' | |
| 712 revlog_target = target[1] | |
| 713 | |
| 714 fm.write(b'revlog.rev-count', b'%9d', nb_rev) | |
| 715 fm.write(b'revlog.data-size', b'%12d', data_size) | |
| 716 | |
| 717 fm.write(b'revlog.inline', b' %-3s', b'yes' if inline else b'no') | |
| 718 fm.write(b'revlog.type', b' %-9s', revlog_type) | |
| 719 fm.write(b'revlog.target', b' %s', revlog_target) | |
| 720 | |
| 721 fm.plain(b'\n') |