tests/regression/ust/baddr-statedump/test_baddr-statedump.py

   1 #!/usr/bin/env python3
   2 #
   3 # Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4 # Copyright (C) 2015 Antoine Busque <abusque@efficios.com>
   5 #
   6 # SPDX-License-Identifier: GPL-2.0-only
   7
   8 import os
   9 import subprocess
  10 import re
  11 import shutil
  12 import sys
  13
  14 test_path = os.path.dirname(os.path.abspath(__file__)) + "/"
  15 test_utils_path = test_path
  16 for i in range(4):
  17     test_utils_path = os.path.dirname(test_utils_path)
  18 test_utils_path = test_utils_path + "/utils"
  19 sys.path.append(test_utils_path)
  20 from test_utils import *
  21
  22
  23 NR_TESTS = 7
  24 current_test = 1
  25 print("1..{0}".format(NR_TESTS))
  26
  27 # Check if a sessiond is running... bail out if none found.
  28 if session_daemon_alive() == 0:
  29     bail("""No sessiond running. Please make sure you are running this test
  30     with the "run" shell script and verify that the lttng tools are
  31     properly installed.""")
  32
  33 session_info = create_session()
  34 enable_ust_tracepoint_event(session_info, "*")
  35 start_session(session_info)
  36
  37 test_process = subprocess.Popen(test_path + "prog.strip", stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
  38 test_process.wait()
  39
  40 print_test_result(test_process.returncode == 0, current_test, "Test application exited normally")
  41 current_test += 1
  42
  43 stop_session(session_info)
  44
  45 # Check for statedump events in the resulting trace
  46 try:
  47     babeltrace_process = subprocess.Popen(["babeltrace", session_info.trace_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
  48 except FileNotFoundError:
  49     bail("Could not open babeltrace. Please make sure it is installed.", session_info)
  50
  51 start_event_found = False
  52 bin_info_event_found = False
  53 build_id_event_found = False
  54 debug_link_event_found = False
  55 end_event_found = False
  56
  57 for event_line in babeltrace_process.stdout:
  58     # Let babeltrace finish to get the return code
  59     if start_event_found and bin_info_event_found and build_id_event_found and \
  60        debug_link_event_found and end_event_found:
  61         continue
  62
  63     event_line = event_line.decode('utf-8').replace("\n", "")
  64     if re.search(r".*lttng_ust_statedump:start.*", event_line) is not None:
  65         start_event_found = True
  66     elif re.search(r".*lttng_ust_statedump:bin_info.*", event_line) is not None:
  67         bin_info_event_found = True
  68     elif re.search(r".*lttng_ust_statedump:build_id.*", event_line) is not None:
  69         build_id_event_found = True
  70     elif re.search(r".*lttng_ust_statedump:debug_link.*", event_line) is not None:
  71         debug_link_event_found = True
  72     elif re.search(r".*lttng_ust_statedump:end.*", event_line) is not None:
  73         end_event_found = True
  74
  75 babeltrace_process.wait()
  76
  77 print_test_result(babeltrace_process.returncode == 0, current_test, "Resulting trace is readable")
  78 current_test += 1
  79
  80 print_test_result(start_event_found, current_test, "lttng_ust_statedump:start event found in resulting trace")
  81 current_test += 1
  82
  83 print_test_result(bin_info_event_found, current_test, "lttng_ust_statedump:bin_info event found in resulting trace")
  84 current_test += 1
  85
  86 print_test_result(build_id_event_found, current_test, "lttng_ust_statedump:build_id event found in resulting trace")
  87 current_test += 1
  88
  89 print_test_result(debug_link_event_found, current_test, "lttng_ust_statedump:debug_link event found in resulting trace")
  90 current_test += 1
  91
  92 print_test_result(end_event_found, current_test, "lttng_ust_statedump:end event found in resulting trace")
  93 current_test += 1
  94
  95 shutil.rmtree(session_info.tmp_directory)