3 # Copyright (C) - 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 # Copyright (C) - 2015 Antoine Busque <abusque@efficios.com>
6 # This program is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License, version 2 only, as
8 # published by the Free Software Foundation.
10 # This program is distributed in the hope that it will be useful, but WITHOUT
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 # You should have received a copy of the GNU General Public License along with
16 # this program; if not, write to the Free Software Foundation, Inc., 51
17 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 test_path
= os
.path
.dirname(os
.path
.abspath(__file__
)) + "/"
26 test_utils_path
= test_path
28 test_utils_path
= os
.path
.dirname(test_utils_path
)
29 test_utils_path
= test_utils_path
+ "/utils"
30 sys
.path
.append(test_utils_path
)
31 from test_utils
import *
34 have_dlmopen
= (os
.environ
.get('LTTNG_TOOLS_HAVE_DLMOPEN') == '1')
39 print("1..{0}".format(NR_TESTS
))
41 # Check if a sessiond is running... bail out if none found.
42 if session_daemon_alive() == 0:
43 bail("""No sessiond running. Please make sure you are running this test
44 with the "run" shell script and verify that the lttng tools are
45 properly installed.""")
47 session_info
= create_session()
48 enable_ust_tracepoint_event(session_info
, "*")
49 start_session(session_info
)
51 test_env
= os
.environ
.copy()
52 test_env
["LD_PRELOAD"] = test_env
.get("LD_PRELOAD", "") + ":liblttng-ust-dl.so"
53 test_env
["LD_LIBRARY_PATH"] = test_env
.get("LD_LIBRARY_PATH", "") + ":" + test_path
54 test_process
= subprocess
.Popen(test_path
+ "prog",
55 stdout
=subprocess
.DEVNULL
, stderr
=subprocess
.DEVNULL
,
59 print_test_result(test_process
.returncode
== 0, current_test
, "Test application exited normally")
62 stop_session(session_info
)
64 # Check for dl events in the resulting trace
66 babeltrace_process
= subprocess
.Popen(["babeltrace", session_info
.trace_path
], stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
)
67 except FileNotFoundError
:
68 bail("Could not open babeltrace. Please make sure it is installed.", session_info
)
70 dlopen_event_found
= 0
71 dlmopen_event_found
= 0
72 build_id_event_found
= 0
73 debug_link_event_found
= 0
74 dlclose_event_found
= 0
76 load_build_id_event_found
= 0
77 load_debug_link_event_found
= 0
78 unload_event_found
= 0
83 for event_line
in babeltrace_process
.stdout
:
85 event_line
= event_line
.decode('utf-8').replace("\n", "")
86 if re
.search(r
".*lttng_ust_dl:dlopen.*", event_line
) is not None:
87 dlopen_event_found
+= 1
88 elif re
.search(r
".*lttng_ust_dl:dlmopen.*", event_line
) is not None:
89 dlmopen_event_found
+= 1
90 elif re
.search(r
".*lttng_ust_dl:build_id.*", event_line
) is not None:
91 build_id_event_found
+= 1
92 elif re
.search(r
".*lttng_ust_dl:debug_link.*", event_line
) is not None:
93 debug_link_event_found
+= 1
94 elif re
.search(r
".*lttng_ust_dl:dlclose.*", event_line
) is not None:
95 dlclose_event_found
+= 1
96 elif re
.search(r
".*lttng_ust_lib:build_id.*", event_line
) is not None:
97 load_build_id_event_found
+= 1
98 elif re
.search(r
".*lttng_ust_lib:debug_link.*", event_line
) is not None:
99 load_debug_link_event_found
+= 1
100 elif re
.search(r
".*lttng_ust_lib:unload.*", event_line
) is not None:
101 unload_event_found
+= 1
102 elif re
.search(r
".*lttng_ust_lib:load.*", event_line
) is not None:
103 load_event_found
+= 1
104 if re
.search(r
".*lttng_ust_lib:load.*libfoo.*", event_line
) is not None:
105 load_libfoo_found
+= 1
106 elif re
.search(r
".*lttng_ust_lib:load.*libbar.*", event_line
) is not None:
107 load_libbar_found
+= 1
108 elif re
.search(r
".*lttng_ust_lib:load.*libzzz.*", event_line
) is not None:
109 load_libzzz_found
+= 1
111 babeltrace_process
.wait()
113 print_test_result(babeltrace_process
.returncode
== 0, current_test
, "Resulting trace is readable")
116 print_test_result(dlopen_event_found
> 0, current_test
, "lttng_ust_dl:dlopen event found in resulting trace")
120 print_test_result(dlmopen_event_found
> 0, current_test
, "lttng_ust_dl:dlmopen event found in resulting trace")
122 skip_test(current_test
, 'dlmopen() is not available')
126 print_test_result(build_id_event_found
> 0, current_test
, "lttng_ust_dl:build_id event found in resulting trace")
129 print_test_result(debug_link_event_found
> 0, current_test
, "lttng_ust_dl:debug_link event found in resulting trace")
132 print_test_result(dlclose_event_found
> 0, current_test
, "lttng_ust_dl:dlclose event found in resulting trace")
135 print_test_result(load_event_found
> 0, current_test
, "lttng_ust_lib:load event found in resulting trace")
138 print_test_result(load_build_id_event_found
> 0, current_test
, "lttng_ust_lib:build_id event found in resulting trace")
141 print_test_result(load_debug_link_event_found
> 0, current_test
, "lttng_ust_lib:debug_link event found in resulting trace")
144 print_test_result(unload_event_found
== 3, current_test
, "lttng_ust_lib:unload event found 3 times in resulting trace")
147 print_test_result(load_libfoo_found
== 1, current_test
, "lttng_ust_lib:load libfoo.so event found once in resulting trace")
150 print_test_result(load_libbar_found
== 1, current_test
, "lttng_ust_lib:load libbar.so event found once in resulting trace")
153 print_test_result(load_libzzz_found
== 1, current_test
, "lttng_ust_lib:load libzzz.so event found once in resulting trace")
156 shutil
.rmtree(session_info
.tmp_directory
)