#require no-fsmonitor

  $ setconfig tracing.threshold=0
  $ newrepo
  $ drawdag << 'EOS'
  > C
  > |
  > B
  > |
  > A
  > EOS

  $ TRACING_DATA_FAKE_CLOCK=5000 hg up $C --config tracing.stderr=True 2> trace
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ sed 's/line [0-9]*$/_/' trace
  Process _ Thread _:
  Start Dur.ms | Name                                                                     Source
      5    ... | up 26805aba1e600a82e93661149f2313866a221a7b --config tracing.stderr=True hgcommands::run _
               | - exitcode =                                                             :
     10     +5  \ Initialize Python                                                       hgcommands::hgpython _
     20     +5  \ import edenscm                                                          hgcommands::hgpython _
     30   +145  \ Main Python Command                                                     (perftrace)
     35     +5   \ Repo Setup                                                             edenscm.mercurial.hg line _
                  | - flag = local                                                        :
     45   +125   \ Update                                                                 edenscm.mercurial.util line _
                  | - A/M/R Files = 0                                                     :
     50   +115    | Timed Function: mergeupdate                                           edenscm.mercurial.merge line _
     55    +35     \ Status                                                               edenscm.mercurial.dirstate line _
     60     +5      \ Timed Function: fswalk                                              edenscm.mercurial.filesystem line _
     70     +5      \ _rustwalk.next                                                      (generator)
     80     +5      \ _rustwalk.next                                                      (generator)
     95    +25     \ Progress Bar: calculating                                            (progressbar)
    100    +15      | Calculate Updates                                                   edenscm.mercurial.merge line _
    105     +5      | Check Unknown Files                                                 edenscm.mercurial.merge line _
    125    +25     \ Apply Updates                                                        edenscm.mercurial.util line _
                    | - Actions = 3                                                       :
                    | - Disk Writes = 3                                                   :
                    | - Deleted Files = 0                                                 :
                    | - Written Files = 3                                                 :
    130    +15      | Timed Function: applyupdates                                        edenscm.mercurial.merge line _
    135     +5      | Progress Bar: updating                                              (progressbar)
                    | - total = 3                                                         :
    155     +5     \ Progress Bar: recording                                              (progressbar)
                    | - total = 3                                                         :