diff --git a/openstackclient/common/clientmanager.py b/openstackclient/common/clientmanager.py
index b310f3acdc..a2f85aff08 100644
--- a/openstackclient/common/clientmanager.py
+++ b/openstackclient/common/clientmanager.py
@@ -49,7 +49,7 @@ class ClientManager(object):
                  user_domain_id=None, user_domain_name=None,
                  project_domain_id=None, project_domain_name=None,
                  region_name=None, api_version=None, verify=True,
-                 trust_id=None):
+                 trust_id=None, timing=None):
         self._token = token
         self._url = url
         self._auth_url = auth_url
@@ -67,6 +67,7 @@ class ClientManager(object):
         self._api_version = api_version
         self._trust_id = trust_id
         self._service_catalog = None
+        self.timing = timing
 
         # verify is the Requests-compatible form
         self._verify = verify
@@ -116,7 +117,7 @@ def get_extension_modules(group):
 
         setattr(
             ClientManager,
-            ep.name,
+            module.API_NAME,
             ClientCache(
                 getattr(sys.modules[ep.module_name], 'make_client', None)
             ),
diff --git a/openstackclient/common/timing.py b/openstackclient/common/timing.py
new file mode 100644
index 0000000000..1c94682c84
--- /dev/null
+++ b/openstackclient/common/timing.py
@@ -0,0 +1,44 @@
+#   Licensed under the Apache License, Version 2.0 (the "License"); you may
+#   not use this file except in compliance with the License. You may obtain
+#   a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#   License for the specific language governing permissions and limitations
+#   under the License.
+#
+
+"""Timing Implementation"""
+
+import logging
+
+from cliff import lister
+
+
+class Timing(lister.Lister):
+    """Show timing data"""
+
+    log = logging.getLogger(__name__ + '.Timing')
+
+    def take_action(self, parsed_args):
+        self.log.debug('take_action(%s)' % parsed_args)
+
+        column_headers = (
+            'URL',
+            'Seconds',
+        )
+
+        results = []
+        total = 0.0
+        for url, start, end in self.app.timing_data:
+            seconds = end - start
+            total += seconds
+            results.append((url, seconds))
+        results.append(('Total', total))
+        return (
+            column_headers,
+            results,
+        )
diff --git a/openstackclient/compute/client.py b/openstackclient/compute/client.py
index 3dacee88cf..8d5cda132a 100644
--- a/openstackclient/compute/client.py
+++ b/openstackclient/compute/client.py
@@ -54,7 +54,9 @@ def make_client(instance):
         service_type=API_NAME,
         # FIXME(dhellmann): what is service_name?
         service_name='',
-        http_log_debug=http_log_debug)
+        http_log_debug=http_log_debug,
+        timings=instance.timing,
+    )
 
     # Populate the Nova client to skip another auth query to Identity
     if instance._url:
diff --git a/openstackclient/shell.py b/openstackclient/shell.py
index 1d0c577148..287243432f 100644
--- a/openstackclient/shell.py
+++ b/openstackclient/shell.py
@@ -32,6 +32,7 @@ from openstackclient.common import clientmanager
 from openstackclient.common import commandmanager
 from openstackclient.common import exceptions as exc
 from openstackclient.common import restapi
+from openstackclient.common import timing
 from openstackclient.common import utils
 from openstackclient.identity import client as identity_client
 
@@ -60,6 +61,7 @@ class OpenStackShell(app.App):
     CONSOLE_MESSAGE_FORMAT = '%(levelname)s: %(name)s %(message)s'
 
     log = logging.getLogger(__name__)
+    timing_data = []
 
     def __init__(self):
         # Patch command.Command to add a default auth_required = True
@@ -303,6 +305,12 @@ class OpenStackShell(app.App):
             metavar='<url>',
             default=env('OS_URL'),
             help='Defaults to env[OS_URL]')
+        parser.add_argument(
+            '--timing',
+            default=False,
+            action='store_true',
+            help="Print API call timing info",
+        )
 
         parser.add_argument(
             '--os-identity-api-version',
@@ -410,6 +418,7 @@ class OpenStackShell(app.App):
             password=self.options.os_password,
             region_name=self.options.os_region_name,
             verify=self.verify,
+            timing=self.options.timing,
             api_version=self.api_version,
             trust_id=self.options.os_trust_id,
         )
@@ -499,9 +508,33 @@ class OpenStackShell(app.App):
 
     def clean_up(self, cmd, result, err):
         self.log.debug('clean_up %s', cmd.__class__.__name__)
+
         if err:
             self.log.debug('got an error: %s', err)
 
+        # Process collected timing data
+        if self.options.timing:
+            # Loop through extensions
+            for mod in self.ext_modules:
+                client = getattr(self.client_manager, mod.API_NAME)
+                if hasattr(client, 'get_timings'):
+                    self.timing_data.extend(client.get_timings())
+
+            # Use the Timing pseudo-command to generate the output
+            tcmd = timing.Timing(self, self.options)
+            tparser = tcmd.get_parser('Timing')
+
+            # If anything other than prettytable is specified, force csv
+            format = 'table'
+            # Check the formatter used in the actual command
+            if hasattr(cmd, 'formatter') \
+                    and cmd.formatter != cmd._formatter_plugins['table'].obj:
+                format = 'csv'
+
+            sys.stdout.write('\n')
+            targs = tparser.parse_args(['-f', format])
+            tcmd.run(targs)
+
     def interact(self):
         # NOTE(dtroyer): Maintain the old behaviour for interactive use as
         #                this path does not call prepare_to_run_command()
diff --git a/openstackclient/tests/common/test_timing.py b/openstackclient/tests/common/test_timing.py
new file mode 100644
index 0000000000..aa910b91e5
--- /dev/null
+++ b/openstackclient/tests/common/test_timing.py
@@ -0,0 +1,87 @@
+#   Licensed under the Apache License, Version 2.0 (the "License"); you may
+#   not use this file except in compliance with the License. You may obtain
+#   a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#   License for the specific language governing permissions and limitations
+#   under the License.
+#
+
+"""Test Timing pseudo-command"""
+
+from openstackclient.common import timing
+from openstackclient.tests import fakes
+from openstackclient.tests import utils
+
+
+timing_url = 'GET http://localhost:5000'
+timing_start = 1404802774.872809
+timing_end = 1404802775.724802
+
+
+class FakeGenericClient(object):
+
+    def __init__(self, **kwargs):
+        self.auth_token = kwargs['token']
+        self.management_url = kwargs['endpoint']
+
+
+class TestTiming(utils.TestCommand):
+
+    def setUp(self):
+        super(TestTiming, self).setUp()
+
+        self.app.timing_data = []
+
+        self.app.client_manager.compute = FakeGenericClient(
+            endpoint=fakes.AUTH_URL,
+            token=fakes.AUTH_TOKEN,
+        )
+
+        self.app.client_manager.volume = FakeGenericClient(
+            endpoint=fakes.AUTH_URL,
+            token=fakes.AUTH_TOKEN,
+        )
+
+        # Get the command object to test
+        self.cmd = timing.Timing(self.app, None)
+
+    def test_timing_list_no_data(self):
+        arglist = []
+        verifylist = []
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        # DisplayCommandBase.take_action() returns two tuples
+        columns, data = self.cmd.take_action(parsed_args)
+
+        collist = ('URL', 'Seconds')
+        self.assertEqual(collist, columns)
+        datalist = [
+            ('Total', 0.0,)
+        ]
+        self.assertEqual(datalist, data)
+
+    def test_timing_list(self):
+        self.app.timing_data = [
+            (timing_url, timing_start, timing_end),
+        ]
+
+        arglist = []
+        verifylist = []
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        # DisplayCommandBase.take_action() returns two tuples
+        columns, data = self.cmd.take_action(parsed_args)
+
+        collist = ('URL', 'Seconds')
+        self.assertEqual(collist, columns)
+        timing_sec = timing_end - timing_start
+        datalist = [
+            (timing_url, timing_sec),
+            ('Total', timing_sec)
+        ]
+        self.assertEqual(datalist, data)