X-Git-Url: http://git.efficios.com/?p=deliverable%2Flttng-ivc.git;a=blobdiff_plain;f=lttng_ivc%2Ftests%2Fust_app_vs_ust_tools%2Ftest_ust_app_vs_ust_tools.py;h=c67c46231c59309e8c460e5907028d57ef7256de;hp=7f00d51530909ea48a804b579cd18cbb8bd88d4e;hb=87e6d73a423c6b275cd579191904d8d01ef0cad4;hpb=a028c28a2f3faa29dda3b58ab64831e2cf3ef40e diff --git a/lttng_ivc/tests/ust_app_vs_ust_tools/test_ust_app_vs_ust_tools.py b/lttng_ivc/tests/ust_app_vs_ust_tools/test_ust_app_vs_ust_tools.py index 7f00d51..c67c462 100644 --- a/lttng_ivc/tests/ust_app_vs_ust_tools/test_ust_app_vs_ust_tools.py +++ b/lttng_ivc/tests/ust_app_vs_ust_tools/test_ust_app_vs_ust_tools.py @@ -15,6 +15,10 @@ FC: Fully Compatible BC: Feature of the smallest version number will works. TU: Tracing unavailable +NOTE: tracing between 2.7 and 2.8 should work but a problem with +_ustctl_basic_type prevent event registration. Hence consider in further test +that the event registration is expected to fail. + +------------------------------------------------------------------------------+ | LTTng UST control protocol compatibility matrix | | (between applications and tools linked on LTTng UST and liblttng-ust-ctl) | @@ -37,27 +41,29 @@ Second tuple member: lttng-tool label Third tuple member: expected scenario """ +event_registration_error = "Error: UST app recv reg unsupported version" + test_matrix_tracing_available = [ - ("lttng-ust-2.7", "lttng-tools-2.7", True), - ("lttng-ust-2.7", "lttng-tools-2.8", True), - ("lttng-ust-2.7", "lttng-tools-2.9", False), - ("lttng-ust-2.7", "lttng-tools-2.10", False), - ("lttng-ust-2.8", "lttng-tools-2.7", True), - ("lttng-ust-2.8", "lttng-tools-2.8", True), - ("lttng-ust-2.8", "lttng-tools-2.9", False), - ("lttng-ust-2.8", "lttng-tools-2.10", False), - ("lttng-ust-2.9", "lttng-tools-2.7", False), - ("lttng-ust-2.9", "lttng-tools-2.8", False), - ("lttng-ust-2.9", "lttng-tools-2.9", True), - ("lttng-ust-2.9", "lttng-tools-2.10", True), - ("lttng-ust-2.10", "lttng-tools-2.7", False), - ("lttng-ust-2.10", "lttng-tools-2.8", False), - ("lttng-ust-2.10", "lttng-tools-2.9", True), - ("lttng-ust-2.10", "lttng-tools-2.10", True), + ("lttng-ust-2.7", "lttng-tools-2.7", "Success"), + ("lttng-ust-2.7", "lttng-tools-2.8", "Unsupported version"), + ("lttng-ust-2.7", "lttng-tools-2.9", "Unsupported"), + ("lttng-ust-2.7", "lttng-tools-2.10", "Unsupported"), + ("lttng-ust-2.8", "lttng-tools-2.7", "Unsupported version"), + ("lttng-ust-2.8", "lttng-tools-2.8", "Success"), + ("lttng-ust-2.8", "lttng-tools-2.9", "Unsupported"), + ("lttng-ust-2.8", "lttng-tools-2.10", "Unsupported"), + ("lttng-ust-2.9", "lttng-tools-2.7", "Unsupported"), + ("lttng-ust-2.9", "lttng-tools-2.8", "Unsupported"), + ("lttng-ust-2.9", "lttng-tools-2.9", "Success"), + ("lttng-ust-2.9", "lttng-tools-2.10", "Success"), + ("lttng-ust-2.10", "lttng-tools-2.7", "Unsupported"), + ("lttng-ust-2.10", "lttng-tools-2.8", "Unsupported"), + ("lttng-ust-2.10", "lttng-tools-2.9", "Success"), + ("lttng-ust-2.10", "lttng-tools-2.10", "Success"), ] # Only consider test case for which tracing is valid -test_matrix_other = [ +test_matrix_app_context = [ ("lttng-ust-2.7", "lttng-tools-2.7", ""), ("lttng-ust-2.7", "lttng-tools-2.8", ""), ("lttng-ust-2.7", "lttng-tools-2.9", ""), @@ -76,22 +82,50 @@ test_matrix_other = [ ("lttng-ust-2.10", "lttng-tools-2.10", ""), ] +""" +Statedump are supported starting at lttng-ust >= 2.9. +No need to test for prior lttng-ust givent that there is also a bump leading to +loss of tracing for application running under lttng-ust < 2.9. +""" +test_matrix_regen_statedump = [ + ("lttng-ust-2.9", "lttng-tools-2.9", True), + ("lttng-ust-2.9", "lttng-tools-2.10", True), + ("lttng-ust-2.10", "lttng-tools-2.9", True), + ("lttng-ust-2.10", "lttng-tools-2.10", True), +] + +test_matrix_starglobing_enabler = [ + ("lttng-ust-2.9", "lttng-tools-2.9", "Unsupported by tools"), + ("lttng-ust-2.9", "lttng-tools-2.10", "Unsupported by ust"), + ("lttng-ust-2.10", "lttng-tools-2.9", "Unsupported by tools"), + ("lttng-ust-2.10", "lttng-tools-2.10", "Supported"), +] + runtime_matrix_tracing_available = [] +runtime_matrix_regen_statedump = [] +runtime_rix_starglobing_enabler = [] if not Settings.test_only: runtime_matrix_tracing_available = test_matrix_tracing_available + runtime_matrix_regen_statedump = test_matrix_regen_statedump + runtime_matrix_starglobing_enabler = test_matrix_starglobing_enabler else: for tup in test_matrix_tracing_available: if (tup[0] in Settings.test_only or tup[1] in Settings.test_only): runtime_matrix_tracing_available.append(tup) + for tup in test_matrix_regen_statedump: + if (tup[0] in Settings.test_only or tup[1] in + Settings.test_only): + runtime_matrix_regen_statedump.append(tup) + for tup in test_matrix_starglobing_enabler: + if (tup[0] in Settings.test_only or tup[1] in + Settings.test_only): + runtime_matrix_starglobing_enabler.append(tup) -def lttng_sessiond_ready(): - print("lttng sessiond is ready ! FFS") - -@pytest.mark.parametrize("ust_label,tools_label, should_trace", runtime_matrix_tracing_available) -def test_ust_app_tracing_available(tmpdir, ust_label, tools_label, should_trace): +@pytest.mark.parametrize("ust_label,tools_label,outcome", runtime_matrix_tracing_available) +def test_ust_app_tracing_available(tmpdir, ust_label, tools_label, outcome): nb_events = 100 @@ -118,13 +152,11 @@ def test_ust_app_tracing_available(tmpdir, ust_label, tools_label, should_trace) runtime_app.run("make V=1", cwd=app_path) # Start lttng-sessiond - utils.sessiond_spawn(runtime_tools) + sessiond = utils.sessiond_spawn(runtime_tools) # Create session using mi to get path and session name runtime_tools.run('lttng create trace --output={}'.format(trace_path)) - # TODO: test with event present in listing - runtime_tools.run('lttng enable-event -u tp:tptest') runtime_tools.run('lttng start') @@ -133,15 +165,158 @@ def test_ust_app_tracing_available(tmpdir, ust_label, tools_label, should_trace) runtime_app.run(cmd, cwd=app_path) # Stop tracing + runtime_tools.run('lttng stop') runtime_tools.run('lttng destroy -a') + cp = runtime_tools.subprocess_terminate(sessiond) + if cp.returncode != 0: + pytest.fail("Sessiond return code") - try: - # Read trace with babeltrace and check for event count via number of line - cmd = 'babeltrace {}'.format(trace_path) + + cmd = 'babeltrace {}'.format(trace_path) + if outcome == "Success": cp_process, cp_out, cp_err = runtime_tools.run(cmd) assert(utils.line_count(cp_out) == nb_events) - except subprocess.CalledProcessError as e: - # Check if we expected a problem here - if should_trace: - # Something happened - raise e + else: + with pytest.raises(subprocess.CalledProcessError): + cp_process, cp_out, cp_err = runtime_tools.run(cmd) + if outcome == "Unsupported version": + assert(utils.file_contains(runtime_tools.get_subprocess_stderr_path(sessiond), + [event_registration_error])) + +@pytest.mark.parametrize("ust_label,tools_label, success", runtime_matrix_regen_statedump) +def test_ust_app_regen_statedump(tmpdir, ust_label, tools_label, success): + nb_events = 100 + + if success: + expected_events = 4 + else: + expected_events = 2 + + ust = ProjectFactory.get_precook(ust_label) + tools = ProjectFactory.get_precook(tools_label) + babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace) + + tools_runtime_path = os.path.join(str(tmpdir), "tools") + ust_runtime_path = os.path.join(str(tmpdir), "ust") + app_path = os.path.join(str(tmpdir), "app") + + + app_sync_start = os.path.join(app_path, 'sync_start') + app_sync_end = os.path.join(app_path, 'sync_end') + + with Run.get_runtime(ust_runtime_path) as runtime_app, Run.get_runtime(tools_runtime_path) as runtime_tools: + runtime_tools.add_project(tools) + runtime_tools.add_project(babeltrace) + + runtime_app.add_project(ust) + runtime_app.lttng_home = runtime_tools.lttng_home + + trace_path = os.path.join(runtime_tools.lttng_home, 'trace') + + # Make application using the ust runtime + shutil.copytree(Settings.apps_gen_events_folder, app_path) + runtime_app.run("make V=1", cwd=app_path) + + # Start lttng-sessiond + sessiond = utils.sessiond_spawn(runtime_tools) + + # Create session using mi to get path and session name + runtime_tools.run('lttng create trace --output={}'.format(trace_path)) + + runtime_tools.run('lttng enable-event -u lttng_ust_statedump:start,lttng_ust_statedump:end') + runtime_tools.run('lttng start') + + # Run application + cmd = './app {} 0 {} {}'.format(nb_events, app_sync_start, app_sync_end) + runtime_app.spawn_subprocess(cmd, cwd=app_path) + + utils.wait_for_file(app_sync_start) + + if not success: + with pytest.raises(subprocess.CalledProcessError): + runtime_tools.run('lttng regenerate statedump') + else: + runtime_tools.run('lttng regenerate statedump') + + utils.create_empty_file(app_sync_end) + + # Stop tracing + runtime_tools.run('lttng stop') + runtime_tools.run('lttng destroy -a') + cp = runtime_tools.subprocess_terminate(sessiond) + if cp.returncode != 0: + pytest.fail("Sessiond return code") + + # Read trace with babeltrace and check for event count via number of line + cmd = 'babeltrace {}'.format(trace_path) + cp_process, cp_out, cp_err = runtime_tools.run(cmd) + assert(utils.line_count(cp_out) == expected_events) + +@pytest.mark.parametrize("ust_label,tools_label, scenario", runtime_matrix_starglobing_enabler) +def test_ust_app_starglobing_enabler(tmpdir, ust_label, tools_label, scenario): + + nb_events = 100 + + if scenario == "Unsupported by ust": + expected_events = 0 + else: + expected_events = nb_events + + # Prepare environment + ust = ProjectFactory.get_precook(ust_label) + tools = ProjectFactory.get_precook(tools_label) + babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace) + + tools_runtime_path = os.path.join(str(tmpdir), "tools") + ust_runtime_path = os.path.join(str(tmpdir), "ust") + app_path = os.path.join(str(tmpdir), "app") + + with Run.get_runtime(ust_runtime_path) as runtime_app, Run.get_runtime(tools_runtime_path) as runtime_tools: + runtime_tools.add_project(tools) + runtime_tools.add_project(babeltrace) + + runtime_app.add_project(ust) + runtime_app.lttng_home = runtime_tools.lttng_home + + trace_path = os.path.join(runtime_tools.lttng_home, 'trace') + + # Make application using the ust runtime + shutil.copytree(Settings.apps_gen_events_folder, app_path) + runtime_app.run("make V=1", cwd=app_path) + + # Start lttng-sessiond + sessiond = utils.sessiond_spawn(runtime_tools) + + # Create session using mi to get path and session name + runtime_tools.run('lttng create trace --output={}'.format(trace_path)) + + # If unsupported by tools simply finish early + if scenario == "Unsupported by tools": + with pytest.raises(subprocess.CalledProcessError): + runtime_tools.run('lttng enable-event -u "tp:*te*"') + + # TODO move this to internal runtime... + cp = runtime_tools.subprocess_terminate(sessiond) + if cp.returncode != 0: + pytest.fail("Sessiond return code") + return + else: + runtime_tools.run('lttng enable-event -u "tp:*te*"') + + runtime_tools.run('lttng start') + + # Run application + cmd = './app {}'.format(nb_events) + runtime_app.run(cmd, cwd=app_path) + + # Stop tracing + runtime_tools.run('lttng stop') + runtime_tools.run('lttng destroy -a') + cp = runtime_tools.subprocess_terminate(sessiond) + if cp.returncode != 0: + pytest.fail("Sessiond return code") + + # Read trace with babeltrace and check for event count via number of line + cmd = 'babeltrace {}'.format(trace_path) + cp_process, cp_out, cp_err = runtime_tools.run(cmd) + assert(utils.line_count(cp_out) == expected_events)