| 1 | import pytest |
| 2 | import os |
| 3 | import shutil |
| 4 | import time |
| 5 | import socket |
| 6 | |
| 7 | import lttng_ivc.utils.ProjectFactory as ProjectFactory |
| 8 | import lttng_ivc.utils.utils as utils |
| 9 | import lttng_ivc.utils.runtime as Run |
| 10 | import lttng_ivc.settings as Settings |
| 11 | |
| 12 | """ |
| 13 | TODO: Add Command header section |
| 14 | """ |
| 15 | |
| 16 | """ |
| 17 | First member: babeltrace label |
| 18 | Second member: tools label |
| 19 | """ |
| 20 | test_matrix_live = [ |
| 21 | pytest.param("babeltrace-1.3", "lttng-tools-2.7", marks=pytest.mark.xfail(reason="Flaky test or Flaky babeltrace. Is under investigation")), |
| 22 | pytest.param("babeltrace-1.3", "lttng-tools-2.8", marks=pytest.mark.xfail(reason="Flaky test or Flaky babeltrace. Is under investigation")), |
| 23 | pytest.param("babeltrace-1.3", "lttng-tools-2.9", marks=pytest.mark.xfail(reason="Flaky test or Flaky babeltrace. Is under investigation")), |
| 24 | pytest.param("babeltrace-1.3", "lttng-tools-2.10", marks=pytest.mark.xfail(reason="Flaky test or Flaky babeltrace. Is under investigation")), |
| 25 | ("babeltrace-1.4", "lttng-tools-2.7"), |
| 26 | ("babeltrace-1.4", "lttng-tools-2.8"), |
| 27 | ("babeltrace-1.4", "lttng-tools-2.9"), |
| 28 | ("babeltrace-1.4", "lttng-tools-2.10"), |
| 29 | ("babeltrace-1.5", "lttng-tools-2.7"), |
| 30 | ("babeltrace-1.5", "lttng-tools-2.8"), |
| 31 | ("babeltrace-1.5", "lttng-tools-2.9"), |
| 32 | ("babeltrace-1.5", "lttng-tools-2.10"), |
| 33 | ] |
| 34 | |
| 35 | runtime_matrix_live = [] |
| 36 | |
| 37 | if not Settings.test_only: |
| 38 | runtime_matrix_live = test_matrix_live |
| 39 | else: |
| 40 | for tup in test_matrix_live: |
| 41 | if (tup[0] in Settings.test_only or tup[1] in |
| 42 | Settings.test_only): |
| 43 | runtime_matrix_live.append(tup) |
| 44 | |
| 45 | |
| 46 | @pytest.mark.parametrize("babeltrace_l,tools_l", runtime_matrix_live) |
| 47 | def test_babeltrace_live(tmpdir, babeltrace_l, tools_l): |
| 48 | |
| 49 | nb_loop = 100 |
| 50 | nb_expected_events = 100 |
| 51 | |
| 52 | babeltrace = ProjectFactory.get_precook(babeltrace_l) |
| 53 | tools = ProjectFactory.get_precook(tools_l) |
| 54 | |
| 55 | runtime_path = os.path.join(str(tmpdir), "runtime") |
| 56 | app_path = os.path.join(str(tmpdir), "app") |
| 57 | session_name = "trace" |
| 58 | |
| 59 | with Run.get_runtime(runtime_path) as runtime: |
| 60 | runtime.add_project(tools) |
| 61 | runtime.add_project(babeltrace) |
| 62 | |
| 63 | shutil.copytree(Settings.apps_gen_events_folder, app_path) |
| 64 | runtime.run("make V=1", cwd=app_path) |
| 65 | |
| 66 | relayd, ctrl_port, data_port, live_port = utils.relayd_spawn(runtime) |
| 67 | sessiond = utils.sessiond_spawn(runtime) |
| 68 | |
| 69 | hostname = socket.gethostname() |
| 70 | url_babeltrace = "net://localhost:{}/host/{}/{}".format(live_port, hostname, session_name) |
| 71 | url = "net://localhost:{}:{}".format(ctrl_port, data_port) |
| 72 | |
| 73 | # Create session using mi to get path and session name |
| 74 | runtime.run('lttng create --set-url={} {} --live'.format(url, session_name)) |
| 75 | |
| 76 | runtime.run('lttng enable-event -u tp:tptest') |
| 77 | |
| 78 | # From now on babeltrace should be able to hook itself up. |
| 79 | # Synchronization point is done via relayd log |
| 80 | p_babeltrace = runtime.spawn_subprocess("babeltrace -i lttng-live {}".format(url_babeltrace)) |
| 81 | |
| 82 | # TODO: Move to settings |
| 83 | timeout = 60 |
| 84 | # TODO: Move to settings |
| 85 | # Make sure that babeltrace did hook itself or at least tried to. |
| 86 | synchro_text = "Version check done using protocol" |
| 87 | listening = False |
| 88 | for i in range(timeout): |
| 89 | log = runtime.get_subprocess_stderr_path(relayd) |
| 90 | if utils.file_contains(log, synchro_text): |
| 91 | listening = True |
| 92 | break |
| 93 | time.sleep(1) |
| 94 | |
| 95 | if not listening: |
| 96 | raise Exception("Babeltrace live is not listening after timeout") |
| 97 | |
| 98 | runtime.run('lttng start') |
| 99 | |
| 100 | # Run application |
| 101 | cmd = './app {}'.format(nb_loop) |
| 102 | runtime.run(cmd, cwd=app_path) |
| 103 | |
| 104 | # Stop tracing |
| 105 | runtime.run('lttng stop') |
| 106 | runtime.run('lttng destroy -a') |
| 107 | |
| 108 | # Make sure babeltrace is done reading |
| 109 | runtime.subprocess_wait(p_babeltrace) |
| 110 | |
| 111 | runtime.subprocess_terminate(sessiond) |
| 112 | runtime.subprocess_terminate(relayd) |
| 113 | |
| 114 | # Check the output from babeltrace |
| 115 | cp_out = runtime.get_subprocess_stdout_path(p_babeltrace) |
| 116 | assert(utils.line_count(cp_out) == nb_expected_events) |