X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Futils%2Ftest_utils.py;h=2cae263c43db60dddeac144ac893175851dadb14;hb=HEAD;hp=4b38630c7710652a0782b2f3f8831d95a564c0b5;hpb=7f2841b709b74de17384aff2f11c48e449b74bf4;p=lttng-tools.git

diff --git a/tests/utils/test_utils.py b/tests/utils/test_utils.py
index 4b38630c7..2cae263c4 100644
--- a/tests/utils/test_utils.py
+++ b/tests/utils/test_utils.py
@@ -1,25 +1,16 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) - 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+# Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License, version 2 only, as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 51
-# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import uuid
 import os
 import subprocess
 import shutil
 import sys
+import time
 import tempfile
 
 # Import lttng bindings generated in the current tree
@@ -32,6 +23,28 @@ sys.path.append(lttng_bindings_path)
 sys.path.append(lttng_bindings_libs_path)
 from lttng import *
 
+_time_tests = True
+if os.getenv("LTTNG_TESTS_TAP_AUTOTIME", "1") == "0":
+    _time_tests = False
+
+
+def _get_time_ns():
+    # type: () -> int
+
+    # time.monotonic is only available since Python 3.3. We don't support
+    # those older versions so we can simply assert here.
+    assert sys.version_info >= (3, 3, 0)
+
+    # time.monotonic_ns is only available for python >= 3.8,
+    # so the value is multiplied by 10^9 to maintain compatibility with
+    # older versions of the interpreter.
+    return int(time.monotonic() * 1000000000)
+
+
+_last_time = _get_time_ns()
+
+BABELTRACE_BIN = "babeltrace2"
+
 
 class SessionInfo:
     def __init__(self, handle, session_name, tmp_directory, channel_name):
@@ -41,7 +54,8 @@ class SessionInfo:
         self.trace_path = tmp_directory + "/" + session_name
         self.channel_name = channel_name
 
-def bail(diag, session_info = None):
+
+def bail(diag, session_info=None):
     print("Bail out!")
     print("#", diag)
 
@@ -52,6 +66,17 @@ def bail(diag, session_info = None):
             shutil.rmtree(session_info.tmp_directory)
     exit(-1)
 
+
+def print_automatic_test_timing():
+    global _time_tests
+    global _last_time
+    if not _time_tests:
+        return
+    duration_ns = _get_time_ns() - _last_time
+    print("  ---\n    duration_ms: {:02f}\n  ...".format(duration_ns / 1000000))
+    _last_time = _get_time_ns()
+
+
 def print_test_result(result, number, description):
     result_string = None
     if result is True:
@@ -61,6 +86,13 @@ def print_test_result(result, number, description):
 
     result_string += " {0} - {1}".format(number, description)
     print(result_string)
+    print_automatic_test_timing()
+
+
+def skip_test(number, description):
+    print("ok {} # skip {}".format(number, description))
+    print_automatic_test_timing()
+
 
 def enable_ust_tracepoint_event(session_info, event_name):
     event = Event()
@@ -71,6 +103,7 @@ def enable_ust_tracepoint_event(session_info, event_name):
     if res < 0:
         bail("Failed to enable userspace event " + event_name, session_info)
 
+
 def create_session():
     dom = Domain()
     dom.type = DOMAIN_UST
@@ -81,7 +114,7 @@ def create_session():
 
     res = create(session_name, trace_path)
     if res < 0:
-        bail("Failed to create tracing session.")
+        bail("Failed to create recording session.")
 
     channel = Channel()
     channel.name = "channel0"
@@ -95,17 +128,23 @@ def create_session():
         bail("Failed to enable channel " + channel.name, session_info)
     return session_info
 
+
 def start_session(session_info):
     start(session_info.name)
 
-def stop_session(session_info, bailing = False):
+
+def stop_session(session_info, bailing=False):
     # Workaround lttng-ctl outputing directly to stdout by spawning a subprocess.
     lttng_binary_path = os.path.dirname(os.path.abspath(__file__)) + "/"
     for i in range(3):
         lttng_binary_path = os.path.dirname(lttng_binary_path)
     lttng_binary_path = lttng_binary_path + "/src/bin/lttng/lttng"
 
-    retcode = subprocess.call([lttng_binary_path, "stop", session_info.name], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    retcode = subprocess.call(
+        [lttng_binary_path, "stop", session_info.name],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
     if retcode != 0 and not bailing:
         bail("Unable to stop session " + session_info.name, session_info)
     destroy(session_info.name)