3 # Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 # SPDX-License-Identifier: GPL-2.0-only
15 # Import lttng bindings generated in the current tree
16 lttng_bindings_path
= os
.path
.dirname(os
.path
.abspath(__file__
)) + "/"
18 lttng_bindings_path
= os
.path
.dirname(lttng_bindings_path
)
19 lttng_bindings_path
= lttng_bindings_path
+ "/extras/bindings/swig/python"
20 lttng_bindings_libs_path
= lttng_bindings_path
+ "/.libs"
21 sys
.path
.append(lttng_bindings_path
)
22 sys
.path
.append(lttng_bindings_libs_path
)
27 def __init__(self
, handle
, session_name
, tmp_directory
, channel_name
):
29 self
.name
= session_name
30 self
.tmp_directory
= tmp_directory
31 self
.trace_path
= tmp_directory
+ "/" + session_name
32 self
.channel_name
= channel_name
34 def bail(diag
, session_info
= None):
38 if session_info
is not None:
39 stop_session(session_info
, True)
41 if os
.path
.exists(session_info
.tmp_directory
):
42 shutil
.rmtree(session_info
.tmp_directory
)
45 def print_test_result(result
, number
, description
):
50 result_string
= "not ok"
52 result_string
+= " {0} - {1}".format(number
, description
)
55 def skip_test(number
, description
):
56 print('ok {} # skip {}'.format(number
, description
))
58 def enable_ust_tracepoint_event(session_info
, event_name
):
60 event
.name
= event_name
61 event
.type = EVENT_TRACEPOINT
62 event
.loglevel
= EVENT_LOGLEVEL_ALL
63 res
= enable_event(session_info
.handle
, event
, session_info
.channel_name
)
65 bail("Failed to enable userspace event " + event_name
, session_info
)
71 session_name
= str(uuid
.uuid1())
72 tmp_directory
= tempfile
.mkdtemp()
73 trace_path
= tmp_directory
+ "/" + session_name
75 res
= create(session_name
, trace_path
)
77 bail("Failed to create recording session.")
80 channel
.name
= "channel0"
81 channel_set_default_attr(dom
, channel
.attr
)
83 han
= Handle(session_name
, dom
)
84 res
= enable_channel(han
, channel
)
86 session_info
= SessionInfo(han
, session_name
, tmp_directory
, channel
.name
)
88 bail("Failed to enable channel " + channel
.name
, session_info
)
91 def start_session(session_info
):
92 start(session_info
.name
)
94 def stop_session(session_info
, bailing
= False):
95 # Workaround lttng-ctl outputing directly to stdout by spawning a subprocess.
96 lttng_binary_path
= os
.path
.dirname(os
.path
.abspath(__file__
)) + "/"
98 lttng_binary_path
= os
.path
.dirname(lttng_binary_path
)
99 lttng_binary_path
= lttng_binary_path
+ "/src/bin/lttng/lttng"
101 retcode
= subprocess
.call([lttng_binary_path
, "stop", session_info
.name
], stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
)
102 if retcode
!= 0 and not bailing
:
103 bail("Unable to stop session " + session_info
.name
, session_info
)
104 destroy(session_info
.name
)
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