# HG changeset patch
# User Bryan O'Sullivan <bryano@fb.com>
# Date 2012-04-12 22:21:52
# Node ID efae1fea4bbded6ca1ae10345c0469e07c9b610c
# Parent  1fb2f1400ea88f9d55f48c85afe47f20ed500a98

perf: time fncache read and write performance

diff --git a/contrib/perf.py b/contrib/perf.py
--- a/contrib/perf.py
+++ b/contrib/perf.py
@@ -136,6 +136,22 @@ def perftemplating(ui, repo):
 def perfcca(ui, repo):
     timer(lambda: scmutil.casecollisionauditor(ui, False, repo[None]))
 
+def perffncacheload(ui, repo):
+    from mercurial import scmutil, store
+    s = store.store(set(['store','fncache']), repo.path, scmutil.opener)
+    def d():
+        s.fncache._load()
+    timer(d)
+
+def perffncachewrite(ui, repo):
+    from mercurial import scmutil, store
+    s = store.store(set(['store','fncache']), repo.path, scmutil.opener)
+    s.fncache._load()
+    def d():
+        s.fncache._dirty = True
+        s.fncache.write()
+    timer(d)
+
 def perfdiffwd(ui, repo):
     """Profile diff of working directory changes"""
     options = {
@@ -165,6 +181,8 @@ def perfrevlog(ui, repo, file_, **opts):
 
 cmdtable = {
     'perfcca': (perfcca, []),
+    'perffncacheload': (perffncacheload, []),
+    'perffncachewrite': (perffncachewrite, []),
     'perflookup': (perflookup, []),
     'perfnodelookup': (perfnodelookup, []),
     'perfparents': (perfparents, []),