diff --git a/contrib/perf.py b/contrib/perf.py
--- a/contrib/perf.py
+++ b/contrib/perf.py
@@ -781,9 +781,9 @@ def perfbdiff(ui, repo, file_, rev=None,
         if opts['alldata']:
             # Load revisions associated with changeset.
             ctx = repo[rev]
-            mtext = repo.manifest.revision(ctx.manifestnode())
+            mtext = repo.manifestlog._revlog.revision(ctx.manifestnode())
             for pctx in ctx.parents():
-                pman = repo.manifest.revision(pctx.manifestnode())
+                pman = repo.manifestlog._revlog.revision(pctx.manifestnode())
                 textpairs.append((pman, mtext))
 
             # Load filelog revisions by iterating manifest delta.
diff --git a/tests/test-contrib-perf.t b/tests/test-contrib-perf.t
--- a/tests/test-contrib-perf.t
+++ b/tests/test-contrib-perf.t
@@ -114,6 +114,7 @@ perfstatus
   $ hg perfancestorset 2
   $ hg perfannotate a
   $ hg perfbdiff -c 1
+  $ hg perfbdiff --alldata 1
   $ hg perfbranchmap
   $ hg perfcca
   $ hg perfchangegroupchangelog