Mercurial > public > mercurial-scm > hg-stable
diff mercurial/revlogutils/deltas.py @ 49737:78ba41878f2e
delta-find: add debug information about reuse of cached data
This will help us to understand the behavior of find-delta during a pull.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Tue, 15 Nov 2022 18:08:56 +0100 |
| parents | b909dd35d9ab |
| children | 35d4c2124073 |
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--- a/mercurial/revlogutils/deltas.py Tue Nov 08 18:05:19 2022 -0500 +++ b/mercurial/revlogutils/deltas.py Tue Nov 15 18:08:56 2022 +0100 @@ -1147,7 +1147,13 @@ if deltainfo is not None: prev = deltainfo.base - if p1 in candidaterevs or p2 in candidaterevs: + if ( + cachedelta is not None + and len(candidaterevs) == 1 + and cachedelta[0] in candidaterevs + ): + round_type = b"cached-delta" + elif p1 in candidaterevs or p2 in candidaterevs: round_type = b"parents" elif prev is not None and all(c < prev for c in candidaterevs): round_type = b"refine-down" @@ -1246,10 +1252,19 @@ if self._write_debug is not None: end = util.timer() + assert deltainfo is not None # please pytype + used_cached = ( + cachedelta is not None + and dbg_try_rounds == 1 + and dbg_try_count == 1 + and deltainfo.base == cachedelta[0] + ) dbg = { 'duration': end - start, 'revision': target_rev, + 'delta-base': deltainfo.base, 'search_round_count': dbg_try_rounds, + 'using-cached-base': used_cached, 'delta_try_count': dbg_try_count, 'type': dbg_type, 'p1-chain-len': p1_chain_len, @@ -1283,7 +1298,9 @@ b"DBG-DELTAS:" b" %-12s" b" rev=%d:" - b" search-rounds=%d" + b" delta-base=%d" + b" is-cached=%d" + b" - search-rounds=%d" b" try-count=%d" b" - delta-type=%-6s" b" snap-depth=%d" @@ -1295,6 +1312,8 @@ msg %= ( dbg["target-revlog"], dbg["revision"], + dbg["delta-base"], + dbg["using-cached-base"], dbg["search_round_count"], dbg["delta_try_count"], dbg["type"],