D4148: perf: add a command to benchmark linelog edits

[durin42 (Augie Fackler)]

durin42 accepted this revision.
durin42 added a comment.
This revision is now accepted and ready to land.


  I'm confident the random.seed(0) gives us the stability between runs we're concerned about.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D4148

To: quark, #hg-reviewers, durin42
Cc: durin42, indygreg, mercurial-devel