X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=tests%2Futils%2Ftest_utils.py;h=d87cd1e32696807be20314c90f9e043d83eed4fa;hb=6a0d31b579259f816552bae74109ffb204d76b01;hp=ba9c2946e7654cea703f74cd43b23a872ec662b9;hpb=c125de8f5c0dc9ba3ada63e9317e468ffb9e335a;p=lttng-tools.git

diff --git a/tests/utils/test_utils.py b/tests/utils/test_utils.py
index ba9c2946e..d87cd1e32 100644
--- a/tests/utils/test_utils.py
+++ b/tests/utils/test_utils.py
@@ -10,6 +10,7 @@ import os
 import subprocess
 import shutil
 import sys
+import time
 import tempfile
 
 # Import lttng bindings generated in the current tree
@@ -22,6 +23,26 @@ sys.path.append(lttng_bindings_path)
 sys.path.append(lttng_bindings_libs_path)
 from lttng import *
 
+_time_tests = True
+if os.getenv("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:
@@ -43,6 +64,15 @@ 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:
@@ -52,9 +82,11 @@ 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()