improve verbose time precision (#1108)

# Description

Please add an informative description that covers that changes made by
the pull request and link all relevant issues.

# All Promptflow Contribution checklist:
- [ ] **The pull request does not introduce [breaking changes].**
- [ ] **CHANGELOG is updated for new features, bug fixes or other
significant changes.**
- [ ] **I have read the [contribution guidelines](../CONTRIBUTING.md).**
- [ ] **Create an issue and link to the pull request to get dedicated
review from promptflow team. Learn more: [suggested
workflow](../CONTRIBUTING.md#suggested-workflow).**

## General Guidelines and Best Practices
- [ ] Title of the pull request is clear and informative.
- [ ] There are a small number of commits, each of which have an
informative message. This means that previously merged commits do not
appear in the history of the PR. For more information on cleaning up the
commits in your PR, [see this
page](https://github.com/Azure/azure-powershell/blob/master/documentation/development-docs/cleaning-up-commits.md).

### Testing Guidelines
- [ ] Pull request includes test coverage for the included changes.


![image](https://github.com/microsoft/promptflow/assets/47586720/323c0131-8456-4ff3-b317-89fe21a81245)

src/promptflow/promptflow/_cli/_pf/entry.py

@@ -1,23 +1,26 @@
 # ---------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # ---------------------------------------------------------
-import argparse
-import logging
-import sys
-import timeit
-
-from promptflow._cli._pf._config import add_config_parser, dispatch_config_commands
-from promptflow._cli._pf._connection import add_connection_parser, dispatch_connection_commands
-from promptflow._cli._pf._flow import add_flow_parser, dispatch_flow_commands
-from promptflow._cli._pf._run import add_run_parser, dispatch_run_commands
-from promptflow._cli._pf._tool import add_tool_parser, dispatch_tool_commands
-from promptflow._cli._user_agent import USER_AGENT
-from promptflow._sdk._constants import LOGGER_NAME
-from promptflow._sdk._logger_factory import LoggerFactory
-from promptflow._sdk._utils import get_promptflow_sdk_version, setup_user_agent_to_operation_context
+# pylint: disable=wrong-import-position
+import time
 
 # Log the start time
-start_time = timeit.default_timer()
+start_time = time.perf_counter()
+
+# E402 module level import not at top of file
+import argparse  # noqa: E402
+import logging  # noqa: E402
+import sys  # noqa: E402
+
+from promptflow._cli._pf._config import add_config_parser, dispatch_config_commands  # noqa: E402
+from promptflow._cli._pf._connection import add_connection_parser, dispatch_connection_commands  # noqa: E402
+from promptflow._cli._pf._flow import add_flow_parser, dispatch_flow_commands  # noqa: E402
+from promptflow._cli._pf._run import add_run_parser, dispatch_run_commands  # noqa: E402
+from promptflow._cli._pf._tool import add_tool_parser, dispatch_tool_commands  # noqa: E402
+from promptflow._cli._user_agent import USER_AGENT  # noqa: E402
+from promptflow._sdk._constants import LOGGER_NAME  # noqa: E402
+from promptflow._sdk._logger_factory import LoggerFactory  # noqa: E402
+from promptflow._sdk._utils import get_promptflow_sdk_version, setup_user_agent_to_operation_context  # noqa: E402
 
 # configure logger for CLI
 logger = LoggerFactory.get_logger(name=LOGGER_NAME, verbosity=logging.WARNING)
@@ -45,7 +48,7 @@ def entry(argv):
 
     args = parser.parse_args(argv)
     # Log the init finish time
-    init_finish_time = timeit.default_timer()
+    init_finish_time = time.perf_counter()
     try:
         # --verbose, enable info logging
         if hasattr(args, "verbose") and args.verbose:
@@ -79,7 +82,7 @@ def entry(argv):
         raise ex
     finally:
         # Log the invoke finish time
-        invoke_finish_time = timeit.default_timer()
+        invoke_finish_time = time.perf_counter()
         logger.info(
             "Command ran in %.3f seconds (init: %.3f, invoke: %.3f)",
             invoke_finish_time - start_time,

src/promptflow/promptflow/_cli/_pf_azure/entry.py

@@ -1,19 +1,22 @@
 # ---------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # ---------------------------------------------------------
-import argparse
-import logging
-import sys
-import timeit
-
-from promptflow._cli._pf_azure._flow import add_parser_flow, dispatch_flow_commands
-from promptflow._cli._pf_azure._run import add_parser_run, dispatch_run_commands
-from promptflow._sdk._constants import LOGGER_NAME
-from promptflow._sdk._logger_factory import LoggerFactory
-from promptflow._sdk._utils import get_promptflow_sdk_version
+# pylint: disable=wrong-import-position
+import time
 
 # Log the start time
-start_time = timeit.default_timer()
+start_time = time.perf_counter()
+
+# E402 module level import not at top of file
+import argparse  # noqa: E402
+import logging  # noqa: E402
+import sys  # noqa: E402
+
+from promptflow._cli._pf_azure._flow import add_parser_flow, dispatch_flow_commands  # noqa: E402
+from promptflow._cli._pf_azure._run import add_parser_run, dispatch_run_commands  # noqa: E402
+from promptflow._sdk._constants import LOGGER_NAME  # noqa: E402
+from promptflow._sdk._logger_factory import LoggerFactory  # noqa: E402
+from promptflow._sdk._utils import get_promptflow_sdk_version  # noqa: E402
 
 # configure logger for CLI
 logger = LoggerFactory.get_logger(name=LOGGER_NAME, verbosity=logging.WARNING)
@@ -38,7 +41,7 @@ def entry(argv):
 
     args = parser.parse_args(argv)
     # Log the init finish time
-    init_finish_time = timeit.default_timer()
+    init_finish_time = time.perf_counter()
     try:
         # --verbose, enable info logging
         if hasattr(args, "verbose") and args.verbose:
@@ -66,7 +69,7 @@ def entry(argv):
         raise ex
     finally:
         # Log the invoke finish time
-        invoke_finish_time = timeit.default_timer()
+        invoke_finish_time = time.perf_counter()
         logger.info(
             "Command ran in %.3f seconds (init: %.3f, invoke: %.3f)",
             invoke_finish_time - start_time,