diff --git a/infinitepush/__init__.py b/infinitepush/__init__.py
--- a/infinitepush/__init__.py
+++ b/infinitepush/__init__.py
@@ -139,6 +139,7 @@
 confignonforwardmove = 'non-forward-move'
 
 cmdtable = infinitepushcommands.cmdtable
+revsetpredicate = backupcommands.revsetpredicate
 _scratchbranchmatcher = lambda x: False
 _maybehash = re.compile(r'^[a-f0-9]+$').search
 
@@ -316,6 +317,18 @@
     partorder.insert(
         index, partorder.pop(partorder.index(scratchbranchparttype)))
 
+    def wrapsmartlog(loaded):
+        if not loaded:
+            return
+        smartlogmod = extensions.find('smartlog')
+        wrapcommand(smartlogmod.cmdtable, 'smartlog', _smartlog)
+    extensions.afterloaded('smartlog', wrapsmartlog)
+
+def _smartlog(orig, ui, repo, **opts):
+    res = orig(ui, repo, **opts)
+    backupcommands.smartlogsummary(ui, repo)
+    return res
+
 def _showbookmarks(ui, bookmarks, **opts):
     # Copy-paste from commands.py
     fm = ui.formatter('bookmarks', opts)
diff --git a/infinitepush/backupcommands.py b/infinitepush/backupcommands.py
--- a/infinitepush/backupcommands.py
+++ b/infinitepush/backupcommands.py
@@ -23,6 +23,10 @@
     # Hostname value to use. If not specified then socket.gethostname() will
     # be used
     hostname = ''
+
+    # Enable reporting of infinitepush backup status as a summary at the end
+    # of smartlog.
+    enablestatus = False
 """
 
 from __future__ import absolute_import
@@ -57,13 +61,14 @@
 from collections import defaultdict, namedtuple
 from mercurial import policy
 from mercurial.extensions import wrapfunction, unwrapfunction
-from mercurial.node import bin, hex, nullrev
+from mercurial.node import bin, hex, nullrev, short
 from mercurial.i18n import _
 
 osutil = policy.importmod(r'osutil')
 
 cmdtable = {}
 command = registrar.command(cmdtable)
+revsetpredicate = registrar.revsetpredicate()
 
 backupbookmarktuple = namedtuple('backupbookmarktuple',
                                  ['hostname', 'reporoot', 'localbookmark'])
@@ -301,6 +306,39 @@
         ui.write(_('backed up' if r in backeduprevs else 'not backed up'))
         ui.write(_('\n'))
 
+@revsetpredicate('backedup')
+def backedup(repo, subset, x):
+    """Draft changesets that have been backed up by infinitepush"""
+    bkpstate = _readlocalbackupstate(repo.ui, repo)
+    visiblebkpheads = [head for head in bkpstate.heads if head in repo]
+    return subset & repo.revs('draft() and ::%ls', visiblebkpheads)
+
+def smartlogsummary(ui, repo):
+    if not ui.configbool('infinitepushbackup', 'enablestatus'):
+        return
+
+    bkpstate = _readlocalbackupstate(ui, repo)
+    visiblebkpheads = [head for head in bkpstate.heads if head in repo]
+    unbackeduprevs = repo.revs('draft() and not ::%ls', visiblebkpheads)
+
+    # Count the number of changesets that haven't been backed up for 10 minutes.
+    # If there is only one, also print out its hash.
+    backuptime = time.time() - 10 * 60  # 10 minutes ago
+    count = 0
+    singleunbackeduprev = None
+    for rev in unbackeduprevs:
+        if repo[rev].date()[0] <= backuptime:
+            singleunbackeduprev = rev
+            count += 1
+    if count > 0:
+        if count > 1:
+            ui.warn(_('note: %d changesets are not backed up.\n') % count)
+        else:
+            ui.warn(_('note: changeset %s is not backed up.\n') %
+                    short(repo[singleunbackeduprev].node()))
+        ui.warn(_('Run `hg pushbackup` to perform a backup.  If this fails,\n'
+                  'please report to the Source Control @ FB group.\n'))
+
 def _dobackup(ui, repo, dest, **opts):
     ui.status(_('starting backup %s\n') % time.strftime('%H:%M:%S %d %b %Y %Z'))
     start = time.time()
@@ -657,7 +695,7 @@
                 raise ValueError('bad types of bookmarks or heads')
 
             result = backupstate()
-            result.heads = set(state['heads'])
+            result.heads = set(map(str, state['heads']))
             result.localbookmarks = state['bookmarks']
             return result
         except (ValueError, KeyError, TypeError) as e:
diff --git a/tests/test-infinitepush-backup-status.t b/tests/test-infinitepush-backup-status.t
new file mode 100644
--- /dev/null
+++ b/tests/test-infinitepush-backup-status.t
@@ -0,0 +1,119 @@
+
+  $ setup() {
+  > cat << EOF >> .hg/hgrc
+  > [extensions]
+  > fbamend=$TESTDIR/../hgext3rd/fbamend
+  > smartlog=$TESTDIR/../hgext3rd/smartlog.py
+  > [infinitepushbackup]
+  > enablestatus = True
+  > [experimental]
+  > evolution=createmarkers
+  > EOF
+  > }
+  $ . "$TESTDIR/library.sh"
+  $ . "$TESTDIR/library-infinitepush.sh"
+  $ setupcommon
+
+Setup server
+  $ hg init repo
+  $ cd repo
+  $ setupserver
+  $ cd ..
+
+Setup client
+  $ hg clone ssh://user@dummy/repo client -q
+  $ cd client
+  $ setup
+  $ now=`date +%s`
+  $ touch file1
+  $ hg add file1
+  $ commit_time=`expr $now - 15 \* 60`
+  $ hg commit -d "$commit_time 0" -m "Public changeset"
+  $ hg push
+  pushing to ssh://user@dummy/repo
+  searching for changes
+  remote: adding changesets
+  remote: adding manifests
+  remote: adding file changes
+  remote: added 1 changesets with 1 changes to 1 files
+  $ echo a > file1
+  $ changeset_time=`expr $now - 13 \* 60`
+  $ hg commit -d "$commit_time 0" -m "Backed up changeset"
+  $ hg pushbackup
+  starting backup .* (re)
+  searching for changes
+  remote: pushing 1 commit:
+  remote:     *  Backed up changeset (glob)
+  finished in \d+\.(\d+)? seconds (re)
+  $ echo b > file1
+  $ commit_time=`expr $now - 11 \* 60`
+  $ hg commit -d "$commit_time 0" -m "Not backed up changeset"
+  $ echo c > file1
+  $ commit_time=`expr $now - 9 \* 60`
+  $ hg commit -d "$commit_time 0" -m "Backup pending changeset"
+
+Check backup status of commits
+  $ hg log -T '{rev} {desc}\n' -r 'backedup()'
+  1 Backed up changeset
+  $ hg log -T '{rev} {desc}\n' -r 'draft() - backedup()'
+  2 Not backed up changeset
+  3 Backup pending changeset
+
+Check smartlog output
+  $ hg smartlog
+  @  changeset:   3:* (glob)
+  |  tag:         tip
+  |  user:        test
+  |  date:        * (glob)
+  |  summary:     Backup pending changeset
+  |
+  o  changeset:   2:* (glob)
+  |  user:        test
+  |  date:        * (glob)
+  |  summary:     Not backed up changeset
+  |
+  o  changeset:   1:* (glob)
+  |  user:        test
+  |  date:        * (glob)
+  |  summary:     Backed up changeset
+  |
+  o  changeset:   0:* (glob)
+     user:        test
+     date:        * (glob)
+     summary:     Public changeset
+  
+  note: changeset * is not backed up. (glob)
+  Run `hg pushbackup` to perform a backup.  If this fails,
+  please report to the Source Control @ FB group.
+
+Check smartlog summary can be suppressed
+  $ hg smartlog -T '{rev}: {desc}\n' --config infinitepushbackup.enablestatus=no
+  @  3: Backup pending changeset
+  |
+  o  2: Not backed up changeset
+  |
+  o  1: Backed up changeset
+  |
+  o  0: Public changeset
+  
+Check smartlog summary with multiple unbacked up changesets
+  $ hg up 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ echo b2 > file1
+  $ commit_time=`expr $now - 11 \* 60`
+  $ hg commit -d "$commit_time 0" -m "Not backed up changeset 2"
+  created new head
+  $ hg smartlog -T '{rev}: {desc}\n'
+  @  4: Not backed up changeset 2
+  |
+  | o  3: Backup pending changeset
+  |/
+  o  2: Not backed up changeset
+  |
+  o  1: Backed up changeset
+  |
+  o  0: Public changeset
+  
+  note: 2 changesets are not backed up.
+  Run `hg pushbackup` to perform a backup.  If this fails,
+  please report to the Source Control @ FB group.