3 # Copyright (C) - 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 # This program is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License, version 2 only, as
7 # published by the Free Software Foundation.
9 # This program is distributed in the hope that it will be useful, but WITHOUT
10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 # You should have received a copy of the GNU General Public License along with
15 # this program; if not, write to the Free Software Foundation, Inc., 51
16 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 test_path
= os
.path
.dirname(os
.path
.abspath(__file__
)) + "/"
25 test_utils_path
= test_path
27 test_utils_path
= os
.path
.dirname(test_utils_path
)
28 test_utils_path
= test_utils_path
+ "/utils"
29 sys
.path
.append(test_utils_path
)
30 from test_utils
import *
35 print("1..{0}".format(NR_TESTS
))
37 # Check if a sessiond is running... bail out if none found.
38 if session_daemon_alive() == 0:
39 bail("No sessiond running. Please make sure you are running this test with the \"run\" shell script and verify that the lttng tools are properly installed.")
41 session_info
= create_session()
42 enable_ust_tracepoint_event(session_info
, "lttng_ust_libc*")
43 start_session(session_info
)
45 malloc_process
= subprocess
.Popen(test_path
+ "prog", stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
)
46 if sys
.version_info
>= (3, 3):
48 malloc_process
.wait(5)
49 except subprocess
.TimeoutExpired
:
51 bail("Failed to run libustinstr-malloc test application.", session_info
)
55 print_test_result(malloc_process
.returncode
== 0, current_test
, "Test application exited normally")
58 stop_session(session_info
)
60 # Check for malloc events in the resulting trace
62 babeltrace_process
= subprocess
.Popen(["babeltrace", session_info
.trace_path
], stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
)
63 except FileNotFoundError
:
64 bail("Could not open babeltrace. Please make sure it is installed.", session_info
)
66 malloc_event_found
= False
67 free_event_found
= False
69 for event_line
in babeltrace_process
.stdout
:
70 # Let babeltrace finish to get the return code
71 if malloc_event_found
and free_event_found
:
74 event_line
= event_line
.decode('utf-8').replace("\n", "")
75 if re
.search(r
".*lttng_ust_libc:malloc.*", event_line
) is not None:
76 malloc_event_found
= True
78 if re
.search(r
".*lttng_ust_libc:free.*", event_line
) is not None:
79 free_event_found
= True
81 babeltrace_process
.wait()
83 print_test_result(babeltrace_process
.returncode
== 0, current_test
, "Resulting trace is readable")
86 print_test_result(malloc_event_found
, current_test
, "lttng_ust_libc:malloc event found in resulting trace")
89 print_test_result(free_event_found
, current_test
, "lttng_ust_libc:free event found in resulting trace")
92 shutil
.rmtree(session_info
.tmp_directory
)
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