def test_ust_app_tools_update_tracing_available(tmpdir, ust_label, tools_label,
tracing_available):
if tracing_available:
nb_events = 100
else:
nb_events = 0
# 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))
runtime_tools.run("lttng enable-event -u tp:tptest")
runtime_tools.run("lttng start")
# Run application
cmd = "./app {}".format(nb_events)
runtime_tools.run(cmd, cwd=app_path)
runtime_tools.run("objdump -p ./app", cwd=app_path)
runtime_app.run("objdump -p ./app", 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")
cmd = "babeltrace {}".format(trace_path)
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
assert utils.line_count(cp_out) == nb_events
def test_relayd_vs_consumerd_streaming_base(tmpdir, relayd_label,
consumerd_label, scenario):
nb_loop = 100
nb_expected_events = 100
# Prepare environment
relayd = ProjectFactory.get_precook(relayd_label)
consumerd = ProjectFactory.get_precook(consumerd_label)
babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace)
relayd_runtime_path = os.path.join(str(tmpdir), "relayd")
consumerd_runtime_path = os.path.join(str(tmpdir), "consumerd")
app_path = os.path.join(str(tmpdir), "app")
with Run.get_runtime(
relayd_runtime_path) as runtime_relayd, Run.get_runtime(
consumerd_runtime_path) as runtime_consumerd:
runtime_relayd.add_project(relayd)
runtime_relayd.add_project(babeltrace)
runtime_consumerd.add_project(consumerd)
# Make application using the ust runtime
shutil.copytree(Settings.apps_gen_events_folder, app_path)
runtime_consumerd.run("make V=1", cwd=app_path)
# Start lttng-sessiond
relayd = runtime_relayd.spawn_subprocess('lttng-relayd -vvv')
# FIX: No way to know if good to go...
time.sleep(1)
sessiond = utils.sessiond_spawn(runtime_consumerd)
url = "net://localhost"
# Create session using mi to get path and session name
runtime_consumerd.run('lttng create --set-url={} trace '.format(url))
runtime_consumerd.run('lttng enable-event -u tp:tptest')
runtime_consumerd.run('lttng start')
# Run application
cmd = './app {}'.format(nb_loop)
runtime_consumerd.run(cmd, cwd=app_path)
# Stop tracing
runtime_consumerd.run('lttng stop')
runtime_consumerd.run('lttng destroy -a')
runtime_consumerd.subprocess_terminate(sessiond)
# TODO check for error.
runtime_relayd.subprocess_terminate(relayd)
# Read trace with babeltrace and check for event count via number of line
cmd = 'babeltrace {}'.format(runtime_relayd.lttng_home)
cp_process, cp_out, cp_err = runtime_relayd.run(cmd)
assert (utils.line_count(cp_out) == nb_expected_events)
def test_ust_java_agent_tracing_available(tmpdir, ust_label, tools_label,
app_version, should_trace):
nb_iter = 100
nb_events = 3 * nb_iter
# 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(version_to_app[app_version], app_path)
runtime_app.run("javac App.java", 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 -j jello')
runtime_tools.run('lttng start')
# Run application
cmd = 'java App {}'.format(nb_iter)
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)
if should_trace:
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
assert (utils.line_count(cp_out) == nb_events)
else:
with pytest.raises(subprocess.CalledProcessError):
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
def test_ust_tracepoint_probe_abi_api_vs_ust_base(tmpdir, ust_label,
tools_label, scenario):
nb_loop = 100
nb_expected_events = 200
# 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_ust, Run.get_runtime(
tools_runtime_path) as runtime_tools:
runtime_tools.add_project(tools)
runtime_tools.add_project(babeltrace)
runtime_ust.add_project(ust)
runtime_ust.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_preload_provider_folder, app_path)
# Use the testing env to make the probe
runtime_ust.run("make provider", cwd=app_path)
# Use the ust env to test tracepoint instrumentation
runtime_ust.run("make app", 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 tp:tptest,tp:tpenum')
runtime_tools.run('lttng start')
# Run application
cmd = './app {}'.format(nb_loop)
runtime_tools.run(cmd, cwd=app_path, ld_preload="./libtp.so")
# Stop tracing
runtime_tools.run('lttng stop')
runtime_tools.run('lttng destroy -a')
runtime_tools.subprocess_terminate(sessiond)
# 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) == nb_expected_events)
def test_babeltrace_base_modules(tmpdir, babeltrace_l, modules_l, tools_l):
modules = ProjectFactory.get_precook(modules_l)
if modules.skip:
pytest.skip("{} cannot be built on this kernel".format(modules.label))
tools = ProjectFactory.get_precook(tools_l)
babeltrace = ProjectFactory.get_precook(babeltrace_l)
nb_events = 100
with Run.get_runtime(str(tmpdir)) as runtime:
runtime.add_project(modules)
runtime.add_project(tools)
runtime.add_project(babeltrace)
sessiond = utils.sessiond_spawn(runtime)
runtime.load_test_module()
runtime.run("lttng create trace")
runtime.run("lttng enable-event -k lttng_test_filter_event")
runtime.run("lttng start")
with open(Settings.lttng_test_procfile, 'w') as procfile:
procfile.write("{}".format(nb_events))
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
sessiond = runtime.subprocess_terminate(sessiond)
if sessiond.returncode != 0:
pytest.fail("Return value of sessiond is not zero")
return
babeltrace_cmd = 'babeltrace {}'.format(runtime.lttng_home)
cp_process, cp_out, cp_err = runtime.run(babeltrace_cmd)
assert (utils.line_count(cp_out) == nb_events)
def test_consumerd_vs_sessiond(tmpdir, consumerd_l, tools_l, should_work):
"""
Scenario:
Point a lttng-tools to a consumerd of another version and see what
happen. We do not expect anything good to come out of this since for
now lttng-tools(2.10) no versionning exist between sessiond and
consumerd.
"""
nb_event = 100
consumerd = ProjectFactory.get_precook(consumerd_l)
tools = ProjectFactory.get_precook(tools_l)
babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace)
app_path = os.path.join(str(tmpdir), "app")
replacement_consumerd = utils.find_file(consumerd.installation_path,
"lttng-consumerd")
assert replacement_consumerd
c_dict = {"32bit": "--consumerd32-path", "64bit": "--consumerd64-path"}
platform_type = platform.architecture()[0]
sessiond_opt_args = "{}={}".format(c_dict[platform_type],
replacement_consumerd)
with Run.get_runtime(str(tmpdir)) as runtime:
runtime.add_project(tools)
runtime.add_project(babeltrace)
shutil.copytree(Settings.apps_gen_events_folder, app_path)
runtime.run("make V=1", cwd=app_path)
utils.sessiond_spawn(runtime, sessiond_opt_args)
# Consumer is only called on channel creation
runtime.run("lttng create")
try:
runtime.run("lttng enable-event -u tp:tptest", timeout=5)
runtime.run("lttng start", timeout=5)
# Run application
cmd = "./app {}".format(100)
runtime.run(cmd, cwd=app_path)
runtime.run("lttng stop", timeout=5)
runtime.run("lttng destroy -a", timeout=5)
cp, cp_out, cp_err = runtime.run("babeltrace {}".format(
runtime.lttng_home))
assert utils.line_count(cp_out) == nb_event
except (subprocess.CalledProcessError, subprocess.TimeoutExpired) as e:
if should_work:
raise e
else:
# Expecting some error
return
if not should_work:
raise Exception("Supposed to fail")
def test_babeltrace_same_trace_ust(tmpdir, babeltrace_list, tools_l):
tools = ProjectFactory.get_precook(tools_l)
nb_events = 100
app_path = os.path.join(str(tmpdir), "app")
with Run.get_runtime(str(tmpdir)) as runtime:
runtime.add_project(tools)
shutil.copytree(Settings.apps_gen_events_folder, app_path)
runtime.run("make V=1", cwd=app_path)
sessiond = utils.sessiond_spawn(runtime)
# Create session using mi to get path and session name
runtime.run('lttng create trace')
runtime.run('lttng enable-event -u tp:tptest')
runtime.run('lttng start')
# Run application
cmd = './app {}'.format(nb_events)
runtime.run(cmd, cwd=app_path)
# Stop tracing
runtime.run('lttng stop')
runtime.run('lttng destroy -a')
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond return code")
# Actual testing
processed_trace_files = {}
# Gather text traces
for label in babeltrace_list:
babeltrace = ProjectFactory.get_precook(label)
runtime.add_project(babeltrace)
babeltrace_cmd = 'babeltrace {}'.format(runtime.lttng_home)
cp_process, cp_out, cp_err = runtime.run(babeltrace_cmd)
assert (utils.line_count(cp_out) == nb_events)
processed_trace_files[label] = cp_out
runtime.remove_project(babeltrace)
# Perform combinations and validate that traces match
for a, b in combinations(processed_trace_files, 2):
version_a = processed_trace_files[a]
version_b = processed_trace_files[b]
assert (filecmp.cmp(
version_a,
version_b)), "Processed trace from {} and {} differ.".format(
a, b)
def test_modules_starglobing_enabler(tmpdir, modules_label, tools_label, scenario):
modules = ProjectFactory.get_precook(modules_label)
if modules.skip:
pytest.skip("{} cannot be built on this kernel".format(modules.label))
tools = ProjectFactory.get_precook(tools_label)
babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace)
nb_events = 100
if scenario == "Unsupported by modules":
expected_events = 0
else:
expected_events = nb_events
with Run.get_runtime(str(tmpdir)) as runtime:
runtime.add_project(modules)
runtime.add_project(tools)
runtime.add_project(babeltrace)
trace_path = os.path.join(runtime.lttng_home, "trace")
babeltrace_cmd = "babeltrace {}".format(trace_path)
sessiond = sessiond_spawn(runtime)
runtime.load_test_module()
runtime.run("lttng create trace -o {}".format(trace_path))
if scenario == "Unsupported by tools":
with pytest.raises(subprocess.CalledProcessError):
runtime.run("lttng enable-event -k 'lttng_test_*_even*'")
sessiond = runtime.subprocess_terminate(sessiond)
if sessiond.returncode != 0:
pytest.fail("Return value of sessiond is not zero")
return
runtime.run("lttng enable-event -k 'lttng_test_*_even*'")
runtime.run("lttng start")
# Generate some event
with open(Settings.lttng_test_procfile, "w") as procfile:
procfile.write("{}".format(nb_events))
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
sessiond = runtime.subprocess_terminate(sessiond)
if sessiond.returncode != 0:
pytest.fail("Return value of sessiond is not zero")
cp_process, cp_out, cp_err = runtime.run(babeltrace_cmd)
assert line_count(cp_out) == expected_events
def test_babeltrace_same_trace_modules(tmpdir, babeltrace_list, modules_l,
tools_l):
modules = ProjectFactory.get_precook(modules_l)
if modules.skip:
pytest.skip("{} cannot be built on this kernel".format(modules.label))
tools = ProjectFactory.get_precook(tools_l)
nb_events = 100
with Run.get_runtime(str(tmpdir)) as runtime:
runtime.add_project(modules)
runtime.add_project(tools)
sessiond = utils.sessiond_spawn(runtime)
runtime.load_test_module()
runtime.run("lttng create trace")
runtime.run("lttng enable-event -k lttng_test_filter_event")
runtime.run("lttng start")
with open(Settings.lttng_test_procfile, 'w') as procfile:
procfile.write("{}".format(nb_events))
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
sessiond = runtime.subprocess_terminate(sessiond)
if sessiond.returncode != 0:
pytest.fail("Return value of sessiond is not zero")
return
# Actual testing
processed_trace_files = {}
# Gather text traces
for label in babeltrace_list:
babeltrace = ProjectFactory.get_precook(label)
runtime.add_project(babeltrace)
babeltrace_cmd = 'babeltrace {}'.format(runtime.lttng_home)
cp_process, cp_out, cp_err = runtime.run(babeltrace_cmd)
assert (utils.line_count(cp_out) == nb_events)
processed_trace_files[label] = cp_out
runtime.remove_project(babeltrace)
# Perform combinations and validate that traces match
for a, b in combinations(processed_trace_files, 2):
version_a = processed_trace_files[a]
version_b = processed_trace_files[b]
assert (filecmp.cmp(
version_a,
version_b)), "Processed trace from {} and {} differ.".format(
a, b)
def test_babeltrace_lost_patcket(tmpdir, babeltrace_l, supported):
babeltrace = ProjectFactory.get_precook(babeltrace_l)
trace_path = Settings.trace_lost_packet
with Run.get_runtime(str(tmpdir)) as runtime:
runtime.add_project(babeltrace)
cmd = "babeltrace {}".format(trace_path)
cp, cp_out, cp_err = runtime.run(cmd)
if supported:
assert (utils.file_contains(cp_err, "Tracer lost 3 trace packets"))
assert (utils.file_contains(cp_err, "Tracer lost 2 trace packets"))
assert (utils.file_contains(cp_err, "Tracer lost 1 trace packets"))
else:
os.path.getsize(cp_err) > 0
assert (utils.line_count(cp_out) == 8)
def test_babeltrace_base_ust(tmpdir, babeltrace_l, tools_l):
nb_events = 100
# Prepare environment
babeltrace = ProjectFactory.get_precook(babeltrace_l)
tools = ProjectFactory.get_precook(tools_l)
runtime_path = os.path.join(str(tmpdir), "runtime")
app_path = os.path.join(str(tmpdir), "app")
with Run.get_runtime(runtime_path) as runtime:
runtime.add_project(tools)
runtime.add_project(babeltrace)
# Make application using the runtime
shutil.copytree(Settings.apps_gen_events_folder, app_path)
runtime.run("make V=1", cwd=app_path)
# Start lttng-sessiond
sessiond = utils.sessiond_spawn(runtime)
# Create session using mi to get path and session name
runtime.run('lttng create trace')
runtime.run('lttng enable-event -u tp:tptest')
runtime.run('lttng start')
# Run application
cmd = './app {}'.format(nb_events)
runtime.run(cmd, cwd=app_path)
# Stop tracing
runtime.run('lttng stop')
runtime.run('lttng destroy -a')
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond return code")
# Do not validate the metadata only the return code of babeltrace
cmd = 'babeltrace -o ctf-metadata {}'.format(runtime.lttng_home)
runtime.run(cmd)
cmd = 'babeltrace {}'.format(runtime.lttng_home)
cp_process, cp_out, cp_err = runtime.run(cmd)
assert (utils.line_count(cp_out) == nb_events)
def test_tools_liblttng_ctl_vs_sessiond_basic_listing(tmpdir, client_label,
tools_label, outcome):
# Prepare environment
client = ProjectFactory.get_precook(client_label)
tools = ProjectFactory.get_precook(tools_label)
tools_runtime_path = os.path.join(str(tmpdir), "tools")
lttng_client = os.path.join(client.installation_path, "bin/lttng")
with Run.get_runtime(tools_runtime_path) as runtime_tools:
runtime_tools.add_project(tools)
sessiond = utils.sessiond_spawn(runtime_tools)
cp, out, err = runtime_tools.run(
"{} create trace".format(lttng_client),
check_return=False,
ld_debug=True)
if outcome == "Missing symbol":
assert cp.returncode != 0
assert utils.file_contains(err, "Missing symbol")
return
if outcome == "Deprecated":
assert cp.returncode == 38
return
assert cp.returncode == 0
runtime_tools.run("{} enable-event -u tp:tptest".format(lttng_client))
runtime_tools.run("{} start".format(lttng_client))
# Stop tracing
runtime_tools.run("{} stop".format(lttng_client))
runtime_tools.run("{} destroy -a".format(lttng_client))
cp = runtime_tools.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond return code")
def test_output_path_snapshot_relayd_add_output(tmpdir, client, server, mode,
state):
"""
Test of output path for relayd snapshot output created with 'lttng snapshot
add-output'.
"""
nb_loop = 10
datetime_re = "[0-9]{8}-[0-9]{6}"
snapshot_re = "snapshot-1-{}-0".format(datetime_re)
trailing = "{}/ust/{}".format(snapshot_re, mode)
hostname = socket.gethostname()
Output_test = namedtuple("Output_test", ["name", "command", "path_regex"])
# Prepare environment
lttng_tools = ProjectFactory.get_precook(client)
relay = ProjectFactory.get_precook(server)
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")
shutil.copytree(Settings.apps_gen_events_folder, app_path)
tools_runtime_path = os.path.join(str(tmpdir), "client")
relayd_runtime_path = os.path.join(str(tmpdir), "relayd")
app_path = os.path.join(str(tmpdir), "app")
with Run.get_runtime(tools_runtime_path) as rt_tools, Run.get_runtime(
relayd_runtime_path) as rt_relayd:
rt_tools.add_project(lttng_tools)
rt_relayd.add_project(relay)
# Make application using the runtime
rt_tools.run("make V=1", cwd=app_path)
sessiond = utils.sessiond_spawn(rt_tools)
relayd, ctrl_port, data_port, live_port = utils.relayd_spawn(rt_relayd)
base_path = "{}/{}/{}".format(rt_relayd.lttng_home, "lttng-traces",
hostname)
path_with_session_name_tests = [
Output_test(
"test",
"net://127.0.0.1:{}:{}".format(ctrl_port, data_port),
"{}/test-{}/{}".format(base_path, datetime_re, trailing),
),
Output_test(
"test1",
"net://127.0.0.1:{}:{}/".format(ctrl_port, data_port),
"{}/test1-{}/{}".format(base_path, datetime_re, trailing),
),
Output_test(
"test-20190319-120000",
"net://127.0.0.1:{}:{}".format(ctrl_port, data_port),
"{}/test-20190319-120000-{}/{}".format(base_path, datetime_re,
trailing),
),
Output_test(
"test4",
"--ctrl-url=tcp4://127.0.0.1:{} --data-url=tcp4://127.0.0.1:{}"
.format(ctrl_port, data_port),
"{}/test4-{}/{}".format(base_path, datetime_re, trailing),
),
Output_test(
"test6",
"--ctrl-url=tcp4://127.0.0.1:{} --data-url=tcp4://127.0.0.1:{}/custom_output3"
.format(ctrl_port, data_port),
"{}/test6-{}/{}".format(base_path, datetime_re, trailing),
),
]
custom_output_tests = [
Output_test(
"test3",
"net://127.0.0.1:{}:{}/custom_output".format(
ctrl_port, data_port),
"{}/custom_output/{}".format(base_path, trailing),
),
Output_test(
"test5",
"--ctrl-url=tcp4://127.0.0.1:{}/custom_output2 --data-url=tcp4://127.0.0.1:{}"
.format(ctrl_port, data_port),
"{}/custom_output2/{}".format(base_path, trailing),
),
Output_test(
"test7",
"--ctrl-url=tcp4://127.0.0.1:{}/custom_output4 --data-url=tcp4://127.0.0.1:{}/custom_output4"
.format(ctrl_port, data_port),
"{}/custom_output4/{}".format(base_path, trailing),
),
]
tests = custom_output_tests
if state != "buggy_client":
tests += path_with_session_name_tests
# Create session using mi to get path and session name
failed_tests = []
for test in tests:
rt_tools.run("lttng create {} --snapshot --no-output".format(
test.name))
rt_tools.run(
"lttng enable-channel -u --buffers-{} channel".format(mode))
rt_tools.run("lttng enable-event -u tp:tptest -c channel")
rt_tools.run(
"lttng snapshot add-output --name snapshot-1 {}".format(
test.command))
rt_tools.run("lttng start")
# Run application asynchronously since per-pid and snapshot mode
# need the application alive at snapshot time. It does not matter
# in per-uid buffering mode.
cmd = "./app {} 0 {} {}".format(nb_loop, app_sync_start,
app_sync_end)
app_id = rt_tools.spawn_subprocess(cmd, cwd=app_path)
utils.wait_for_file(app_sync_start)
rt_tools.run("lttng snapshot record")
utils.create_empty_file(app_sync_end)
rt_tools.run("lttng stop")
rt_tools.run("lttng destroy -a")
rt_tools.subprocess_terminate(app_id)
if not utils.path_exists_regex(base_path, test.path_regex):
failed_tests.append(test)
os.remove(app_sync_start)
os.remove(app_sync_end)
rt_tools.subprocess_terminate(sessiond)
rt_relayd.subprocess_terminate(relayd)
if failed_tests:
s = StringIO()
utils.tree(base_path, s)
pytest.fail(pformat(failed_tests) + "\n" + s.getvalue())
def test_ust_tracepoint_abi_api_vs_ust_enum(tmpdir, ust_label, tools_label, scenario):
nb_loop = 100
if scenario != tracing_unavailable:
nb_expected_events = 200
else:
nb_expected_events = 0
# 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")
# Copy app source files
shutil.copytree(Settings.apps_preload_provider_folder, app_path)
# Use the testing tool runtime to make the probe
if scenario == fail_provider:
with pytest.raises(subprocess.CalledProcessError):
runtime_tools.run("make provider-enum", cwd=app_path)
return
else:
runtime_tools.run("make provider-enum", cwd=app_path)
# Use the ust env to test tracepoint instrumentation
if scenario == fail_app:
with pytest.raises(subprocess.CalledProcessError):
runtime_app.run("make app-enum", cwd=app_path)
return
else:
runtime_app.run("make app-enum", 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 tp:tptest,tp:tpenum")
runtime_tools.run("lttng start")
# Run application
cmd = "./app-enum {}".format(nb_loop)
runtime_tools.run("ldd ./libtp-enum.so", cwd=app_path)
runtime_tools.run("ldd ./app-enum", cwd=app_path)
runtime_tools.run(cmd, cwd=app_path, ld_preload="./libtp-enum.so",
ld_debug=True)
# Stop tracing
runtime_tools.run("lttng stop")
runtime_tools.run("lttng destroy -a")
runtime_tools.subprocess_terminate(sessiond)
# 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) == nb_expected_events
def test_save_load_app_contexts(tmpdir, tools_save_l, tools_load_l,
should_load):
# Prepare environment
t_save = ProjectFactory.get_precook(tools_save_l)
t_load = ProjectFactory.get_precook(tools_load_l)
t_save_runtime_path = os.path.join(str(tmpdir), "tools-save")
t_load_runtime_path = os.path.join(str(tmpdir), "tools-load")
save_load_path = os.path.join(str(tmpdir), 'save_load')
validation_path = os.path.join(str(tmpdir), 'validation')
trace_name = "saved_trace"
trace_filename = trace_name + Settings.save_ext
trace_file_path = os.path.join(save_load_path, trace_filename)
validation_file_path = os.path.join(validation_path, trace_filename)
# Craft the save
with Run.get_runtime(t_save_runtime_path) as runtime:
runtime.add_project(t_save)
# Start lttng-sessiond
sessiond = utils.sessiond_spawn(runtime)
runtime.run("lttng create {}".format(trace_name))
runtime.run("lttng enable-event --jul hello")
runtime.run("lttng enable-event --log4j hello")
# NOTE: For now there is a bug/quirk for which app context is applied
# everywhere. Might need to be revisited. This influence the number of
# node we expect in the saved file.
runtime.run("lttng add-context --jul --type='$app.myRetriever:intCtx'")
runtime.run("lttng save --output-path={}".format(save_load_path))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on save return code")
validate_app_context(trace_name, trace_file_path)
# Load the save
with Run.get_runtime(t_load_runtime_path) as runtime:
runtime.add_project(t_load)
# Start lttng-sessiond
sessiond = utils.sessiond_spawn(runtime)
cmd = "lttng load --input-path={} {}".format(save_load_path,
trace_name)
if not should_load:
cp, out, err = runtime.run(cmd, check_return=False)
assert (cp.returncode != 0)
assert (utils.file_contains(
err, ['Session configuration file validation failed']))
return
runtime.run(cmd)
# Since lttng list does not include context we need to re-save and
# validate that the contexts are presend in the newly saved file.
runtime.run("lttng save --output-path={}".format(validation_path))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on load return code")
validate_app_context(trace_name, validation_file_path)
def test_save_load_timer_interval(tmpdir, tools_save_l, tools_load_l,
should_load):
# Prepare environment
t_save = ProjectFactory.get_precook(tools_save_l)
t_load = ProjectFactory.get_precook(tools_load_l)
t_save_runtime_path = os.path.join(str(tmpdir), "tools-save")
t_load_runtime_path = os.path.join(str(tmpdir), "tools-load")
save_load_path = os.path.join(str(tmpdir), 'save_load')
trace_name = "saved_trace"
channel_name = "my_channel"
trace_filename = trace_name + Settings.save_ext
trace_file_path = os.path.join(save_load_path, trace_filename)
monitor_timer_interval = 1000
# Craft the save
with Run.get_runtime(t_save_runtime_path) as runtime:
runtime.add_project(t_save)
# Start lttng-sessiond
sessiond = utils.sessiond_spawn(runtime)
runtime.run("lttng create {}".format(trace_name))
runtime.run("lttng enable-channel -u --monitor-timer={} {}".format(
monitor_timer_interval, channel_name))
runtime.run("lttng save --output-path={}".format(save_load_path))
assert (os.path.isfile(trace_file_path))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on save return code")
assert (os.path.isfile(trace_file_path))
xpath_monitor_interval = '/sessions/session/domains/domain[type="UST"]/channels/channel/monitor_timer_interval'
node = xpath_query(trace_file_path, xpath_monitor_interval)
assert (len(node) == 1)
assert (node[0].text == str(monitor_timer_interval))
# Load the save
with Run.get_runtime(t_load_runtime_path) as runtime:
runtime.add_project(t_load)
# Start lttng-sessiond
sessiond = utils.sessiond_spawn(runtime)
if should_load:
runtime.run("lttng load --input-path={} {}".format(
save_load_path, trace_name))
else:
with pytest.raises(subprocess.CalledProcessError):
runtime.run("lttng load --input-path={} {}".format(
save_load_path, trace_name))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on load return code")
return
cp, mi_out, err = runtime.run(
"lttng --mi xml list {}".format(trace_name))
cp = runtime.subprocess_terminate(sessiond)
if cp.returncode != 0:
pytest.fail("Sessiond on load return code")
assert (os.path.isfile(mi_out))
xpath_mi = '/command/output/sessions/session/domains/domain/channels/channel/attributes/monitor_timer_interval'
node = xpath_query(mi_out, xpath_mi)
assert (len(node) == 1)
assert (node[0].text == str(monitor_timer_interval))
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)
def test_ust_python_agent_interface(tmpdir, ust_label, tools_label, outcome):
"""
Use the agent coming from ust_label, but run app under tools_version runtime using ust agent.
"""
nb_iter = 100
nb_events = 5 * nb_iter
# 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_python, 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 -p pello')
runtime_tools.run('lttng start')
# Steal the PYTHONPATH from ust project and force it on the tools
# project
python_path = ust.special_env_variables['PYTHONPATH']
tools.special_env_variables['PYTHONPATH'] = python_path
# Run application with tools runtime
cmd = 'python app.py -i {}'.format(nb_iter)
runtime_tools.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)
if outcome == "Success":
assert (utils.file_contains(
runtime_tools.get_subprocess_stderr_path(sessiond),
["New registration for pid"]))
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
assert (utils.line_count(cp_out) == nb_events)
else:
if outcome == "Unsupported protocol":
assert (not (utils.file_contains(
runtime_tools.get_subprocess_stderr_path(sessiond),
["New registration for pid"])))
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
assert (utils.line_count(cp_out) == 0)
def test_ust_java_agent_interface(tmpdir, ust_label, tools_label, app_version,
outcome):
"""
Use the agent coming from ust_label, but run app under tools_version runtime using ust agent.
"""
nb_iter = 100
nb_events = 3 * nb_iter
# 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(version_to_app[app_version], app_path)
runtime_app.run("javac App.java", 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 -j jello")
runtime_tools.run("lttng start")
# Steal the classpath from ust project
ust_classpath = ust.special_env_variables["CLASSPATH"]
# Run application with tools runtime
cmd = "java App {}".format(nb_iter)
runtime_tools.run(cmd, cwd=app_path, classpath=ust_classpath)
# 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)
if outcome == "Success":
assert utils.file_contains(
runtime_tools.get_subprocess_stderr_path(sessiond),
[
"New registration for pid",
"New registration for agent application: pid"
],
)
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
assert utils.line_count(cp_out) == nb_events
else:
if outcome == "Unsupported protocol":
assert not (utils.file_contains(
runtime_tools.get_subprocess_stderr_path(sessiond),
[
"New registration for pid",
"New registration for agent application: pid"
],
))
cp_process, cp_out, cp_err = runtime_tools.run(cmd)
assert utils.line_count(cp_out) == 0
def test_ust_app_tracing_available(tmpdir, ust_label, tools_label, outcome):
nb_events = 100
# 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))
runtime_tools.run("lttng enable-event -u tp:tptest")
runtime_tools.run("lttng start")
# Run application
runtime_app.run("ldd ./app", cwd=app_path)
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")
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
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],
)
def test_relayd_vs_consumerd_streaming_regenerate_metadata(
tmpdir, relayd_label, consumerd_label, command, scenario):
nb_loop = 100
nb_expected_events = 100
# Prepare environment
relayd = ProjectFactory.get_precook(relayd_label)
consumerd = ProjectFactory.get_precook(consumerd_label)
babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace)
relayd_runtime_path = os.path.join(str(tmpdir), "relayd")
consumerd_runtime_path = os.path.join(str(tmpdir), "consumerd")
app_path = os.path.join(str(tmpdir), "app")
with Run.get_runtime(
relayd_runtime_path) as runtime_relayd, Run.get_runtime(
consumerd_runtime_path) as runtime_consumerd:
runtime_relayd.add_project(relayd)
runtime_relayd.add_project(babeltrace)
runtime_consumerd.add_project(consumerd)
babeltrace_cmd = "babeltrace {}".format(runtime_relayd.lttng_home)
# Make application using the ust runtime
shutil.copytree(Settings.apps_gen_events_folder, app_path)
runtime_consumerd.run("make V=1", cwd=app_path)
# Start lttng-relayd
relayd, ctrl_port, data_port, live_port = utils.relayd_spawn(
runtime_relayd)
sessiond = utils.sessiond_spawn(runtime_consumerd)
url = "net://localhost:{}:{}".format(ctrl_port, data_port)
# Create session using mi to get path and session name
runtime_consumerd.run("lttng create --set-url={} trace ".format(url))
runtime_consumerd.run("lttng enable-event -u tp:tptest")
runtime_consumerd.run("lttng start")
# Run application
cmd = "./app {}".format(nb_loop)
runtime_consumerd.run(cmd, cwd=app_path)
# Stop tracing
runtime_consumerd.run("lttng stop")
# Empty the metadata file
metadata = utils.find_file(runtime_relayd.lttng_home, "metadata")
open(metadata, "w").close()
# Babeltrace should never be able to parse the trace
with pytest.raises(subprocess.CalledProcessError):
runtime_relayd.run(babeltrace_cmd)
runtime_consumerd.run("lttng start")
# TODO: rework this a bit to differentiate each errors and rework how
# the condition are meet
if scenario in ("Unsupported by tools", "Unsupported by relayd"):
with pytest.raises(subprocess.CalledProcessError):
runtime_consumerd.run("lttng {}".format(command))
# Make sure everything looks good on this side
sessiond = runtime_consumerd.subprocess_terminate(sessiond)
if sessiond.returncode != 0:
pytest.fail("Return value of sessiond is not zero")
relayd = runtime_relayd.subprocess_terminate(relayd)
if relayd.returncode != 0:
pytest.fail("Return value of relayd is not zero")
return
runtime_consumerd.run("lttng {}".format(command))
runtime_consumerd.run("lttng stop")
runtime_consumerd.run("lttng destroy -a")
# Make sure everything looks good
sessiond = runtime_consumerd.subprocess_terminate(sessiond)
if sessiond.returncode != 0:
pytest.fail("Return value of sessiond is not zero")
relayd = runtime_relayd.subprocess_terminate(relayd)
if relayd.returncode != 0:
pytest.fail("Return value of relayd is not zero")
# Read trace with babeltrace and check for event count via number of line
cp_process, cp_out, cp_err = runtime_relayd.run(babeltrace_cmd)
assert utils.line_count(cp_out) == nb_expected_events
def test_output_path_snapshot_local_add_output(tmpdir, version, mode):
"""
Test of output path for local snapshot output created with 'lttng snapshot
add-output'.
"""
nb_loop = 10
datetime_re = "[0-9]{8}-[0-9]{6}"
snapshot_re = "snapshot-1-{}-0".format(datetime_re)
trailing = "{}/ust/{}".format(snapshot_re, mode)
Output_test = namedtuple("Output_test", ["name", "command", "path_regex"])
# Prepare environment
lttng_tools = ProjectFactory.get_precook(version)
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")
shutil.copytree(Settings.apps_gen_events_folder, app_path)
with Run.get_runtime(tmpdir) as runtime:
base_path = runtime.lttng_home
tests = [
Output_test(
"test1",
"--ctrl-url=file://{}/custom_output".format(str(base_path)) +
" --data-url=''",
"{}/custom_output/{}".format(str(base_path), trailing),
),
Output_test(
"test2",
"file://{}/custom_output2".format(str(base_path)),
"{}/custom_output2/{}".format(str(base_path), trailing),
),
]
runtime.add_project(lttng_tools)
# Make application using the runtime
runtime.run("make V=1", cwd=app_path)
sessiond = utils.sessiond_spawn(runtime)
# Create session using mi to get path and session name
failed_tests = []
for test in tests:
runtime.run("lttng create {} --snapshot --no-output".format(
test.name))
runtime.run(
"lttng enable-channel -u --buffers-{} channel".format(mode))
runtime.run("lttng enable-event -u tp:tptest -c channel")
runtime.run(
"lttng snapshot add-output --name snapshot-1 {}".format(
test.command))
runtime.run("lttng start")
# Run application asynchronously since per-pid and snapshot mode
# need the application alive at snapshot time. It does not matter
# in per-uid buffering mode.
cmd = "./app {} 0 {} {}".format(nb_loop, app_sync_start,
app_sync_end)
app_id = runtime.spawn_subprocess(cmd, cwd=app_path)
utils.wait_for_file(app_sync_start)
runtime.run("lttng snapshot record")
utils.create_empty_file(app_sync_end)
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
runtime.subprocess_terminate(app_id)
if not utils.path_exists_regex(base_path, test.path_regex):
failed_tests.append(test)
os.remove(app_sync_start)
os.remove(app_sync_end)
runtime.subprocess_terminate(sessiond)
if failed_tests:
s = StringIO()
utils.tree(base_path, s)
pytest.fail(pformat(failed_tests) + "\n" + s.getvalue())
def test_ust_tracepoint_probe_abi_api_vs_ust_base(tmpdir, ust_label,
tools_label, scenario):
nb_loop = 100
if scenario != tracing_unavailable:
nb_expected_events = 200
else:
nb_expected_events = 0
# 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_ust, Run.get_runtime(
tools_runtime_path) as runtime_tools:
runtime_tools.add_project(tools)
runtime_tools.add_project(babeltrace)
runtime_ust.add_project(ust)
runtime_ust.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_preload_provider_folder, app_path)
# Make the probe in the ust runtime
runtime_ust.run("make provider", cwd=app_path)
# Use the ust env to test tracepoint instrumentation
runtime_ust.run("make app", 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 tp:tptest,tp:tpenum")
runtime_tools.run("lttng start")
# Run in the tools runtime application
cmd = "./app {}".format(nb_loop)
if scenario in fail_so_errors:
cp_process, cp_out, cp_err = runtime_tools.run(
cmd, cwd=app_path, ld_preload="./libtp.so", check_return=False)
assert cp_process.returncode == 127
assert utils.file_contains(cp_err, [fail_so_errors[scenario]])
# Nothing else to check.
return
else:
runtime_tools.run(cmd, cwd=app_path, ld_preload="./libtp.so")
# Stop tracing
runtime_tools.run("lttng stop")
runtime_tools.run("lttng destroy -a")
runtime_tools.subprocess_terminate(sessiond)
# 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) == nb_expected_events
def test_output_path_relayd(tmpdir, client, server, mode):
nb_loop = 10
datetime_regex = "[0-9]{8}-[0-9]{6}"
trailing = "ust/{}".format(mode)
hostname = socket.gethostname()
Output_test = namedtuple("Output_test", ["name", "command", "path_regex"])
# Prepare environment
lttng_tools = ProjectFactory.get_precook(client)
relay = ProjectFactory.get_precook(server)
tools_runtime_path = os.path.join(str(tmpdir), "client")
relayd_runtime_path = os.path.join(str(tmpdir), "relayd")
app_path = os.path.join(str(tmpdir), "app")
shutil.copytree(Settings.apps_gen_events_folder, app_path)
with Run.get_runtime(tools_runtime_path) as rt_tools, Run.get_runtime(
relayd_runtime_path) as rt_relayd:
rt_tools.add_project(lttng_tools)
rt_relayd.add_project(relay)
# Make application using the lttng_tools runtime
rt_tools.run("make V=1", cwd=app_path)
sessiond = utils.sessiond_spawn(rt_tools)
relayd, ctrl_port, data_port, live_port = utils.relayd_spawn(rt_relayd)
base_path = "{}/{}/{}".format(rt_relayd.lttng_home, "lttng-traces",
hostname)
tests = [
Output_test(
"",
"--set-url=net://127.0.0.1:{}:{}".format(ctrl_port, data_port),
"{}/auto-{}/{}".format(base_path, datetime_regex, trailing),
),
Output_test(
"test",
"--set-url=net://127.0.0.1:{}:{}".format(ctrl_port, data_port),
"{}/test-{}/{}".format(base_path, datetime_regex, trailing),
),
Output_test(
"test1",
"--set-url=net://127.0.0.1:{}:{}/".format(
ctrl_port, data_port),
"{}/test1-{}/{}".format(base_path, datetime_regex, trailing),
),
Output_test(
"test-20190319-120000",
"--set-url=net://127.0.0.1:{}:{}".format(ctrl_port, data_port),
"{}/test-20190319-120000-{}/{}".format(base_path,
datetime_regex,
trailing),
),
Output_test(
"test3",
"--set-url=net://127.0.0.1:{}:{}/custom_output".format(
ctrl_port, data_port),
"{}/custom_output/{}".format(base_path, trailing),
),
Output_test(
"test4",
"--ctrl-url=tcp4://127.0.0.1:{} --data-url=tcp4://127.0.0.1:{}"
.format(ctrl_port, data_port),
"{}/test4-{}/{}".format(base_path, datetime_regex, trailing),
),
Output_test(
"test5",
"--ctrl-url=tcp4://127.0.0.1:{}/custom_output2 --data-url=tcp4://127.0.0.1:{}"
.format(ctrl_port, data_port),
"{}/custom_output2/{}".format(base_path, trailing),
),
Output_test(
"test6",
"--ctrl-url=tcp4://127.0.0.1:{} --data-url=tcp4://127.0.0.1:{}/custom_output3"
.format(ctrl_port, data_port),
"{}/test6-{}/{}".format(base_path, datetime_regex, trailing),
),
]
failed_tests = []
for test in tests:
rt_tools.run("lttng create {} {}".format(test.name, test.command))
rt_tools.run(
"lttng enable-channel -u --buffers-{} channel".format(mode))
rt_tools.run("lttng enable-event -u tp:tptest -c channel")
rt_tools.run("lttng start")
cmd = "./app {}".format(nb_loop)
rt_tools.run(cmd, cwd=app_path)
rt_tools.run("lttng stop")
rt_tools.run("lttng destroy -a")
if not utils.path_exists_regex(base_path, test.path_regex):
failed_tests.append(test)
rt_tools.subprocess_terminate(sessiond)
rt_relayd.subprocess_terminate(relayd)
if failed_tests:
s = StringIO()
utils.tree(base_path, s)
pytest.fail(pformat(failed_tests) + "\n" + s.getvalue())
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)
def test_output_path_local(tmpdir, version, mode):
nb_loop = 10
datetime_regex = "[0-9]{8}-[0-9]{6}"
trailing = "ust/{}".format(mode)
Output_test = namedtuple("Output_test", ["name", "command", "path_regex"])
# Prepare environment
lttng_tools = ProjectFactory.get_precook(version)
app_path = os.path.join(str(tmpdir), "app")
with Run.get_runtime(tmpdir) as runtime:
base_path = runtime.lttng_home
tests = [
Output_test(
"",
"",
"{}/lttng-traces/auto-{}/{}".format(str(base_path),
datetime_regex, trailing),
),
Output_test(
"test",
"",
"{}/lttng-traces/test-{}/{}".format(str(base_path),
datetime_regex, trailing),
),
Output_test(
"test-20190319-120000",
"",
"{}/lttng-traces/test-20190319-120000-{}/{}".format(
str(base_path), datetime_regex, trailing),
),
Output_test(
"test1",
"--output='{}/custom_output'".format(str(base_path)),
"{}/custom_output/{}".format(str(base_path), trailing),
),
Output_test(
"test2",
"--set-url=file://{}/custom_output2".format(str(base_path)),
"{}/custom_output2/{}".format(str(base_path), trailing),
),
]
runtime.add_project(lttng_tools)
# Make application using the runtime
shutil.copytree(Settings.apps_gen_events_folder, app_path)
runtime.run("make V=1", cwd=app_path)
sessiond = utils.sessiond_spawn(runtime)
# Create session using mi to get path and session name
failed_tests = []
for test in tests:
runtime.run("lttng create {} {}".format(test.name, test.command))
runtime.run(
"lttng enable-channel -u --buffers-{} channel".format(mode))
runtime.run("lttng enable-event -u tp:tptest -c channel")
runtime.run("lttng start")
cmd = "./app {}".format(nb_loop)
runtime.run(cmd, cwd=app_path)
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
if not utils.path_exists_regex(base_path, test.path_regex):
failed_tests.append(test)
runtime.subprocess_terminate(sessiond)
if failed_tests:
s = StringIO()
utils.tree(base_path, s)
pytest.fail(pformat(failed_tests) + "\n" + s.getvalue())
def test_modules_regen_metadata(tmpdir, modules_label, tools_label, command, scenario):
modules = ProjectFactory.get_precook(modules_label)
if modules.skip:
pytest.skip("{} cannot be built on this kernel".format(modules.label))
tools = ProjectFactory.get_precook(tools_label)
babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace)
nb_events = 10
with Run.get_runtime(str(tmpdir)) as runtime:
runtime.add_project(modules)
runtime.add_project(tools)
runtime.add_project(babeltrace)
trace_path = os.path.join(runtime.lttng_home, "trace")
babeltrace_cmd = "babeltrace {}".format(trace_path)
sessiond = sessiond_spawn(runtime)
runtime.load_test_module()
runtime.run("lttng create trace -o {}".format(trace_path))
runtime.run("lttng enable-event -k lttng_test_filter_event")
runtime.run("lttng start")
with open(Settings.lttng_test_procfile, "w") as procfile:
procfile.write("{}".format(nb_events))
runtime.run("lttng stop")
# Validate that we have all event base on the current metadata
cp_process, cp_out, cp_err = runtime.run(babeltrace_cmd)
assert line_count(cp_out) == nb_events
# Empty the metadata file
open(get_metadata_file_path(trace_path), "w").close()
# Babeltrace should never be able to parse the trace
with pytest.raises(subprocess.CalledProcessError):
runtime.run(babeltrace_cmd)
runtime.run("lttng start")
# TODO: rework this a bit to differentiate each errors and rework how
# the condition are meet
if scenario == "Unsupported by tools" or scenario == "Unsupported by modules":
if (
modules_label == "lttng-modules-2.7"
and scenario == "Unsupported by modules"
):
# Error from lttng-modules-2.7 is not reported correctly by
# sessiond. But it is reported on the sessiond side.
# For now, run the command, validate that the error exist on
# sessiond side and mark as xfail.
runtime.run("lttng {}".format(command))
else:
with pytest.raises(subprocess.CalledProcessError):
runtime.run("lttng {}".format(command))
# Make sure everything looks good on this side
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
stderr_path = runtime.get_subprocess_stderr_path(sessiond)
sessiond = runtime.subprocess_terminate(sessiond)
if scenario == "Unsupported by modules":
error_msg = "Error: Failed to regenerate the kernel metadata"
assert file_contains(stderr_path, [error_msg]), "Error message missing"
if (
modules_label == "lttng-modules-2.7"
and scenario == "Unsupported by modules"
):
pytest.xfail(
"Lttng-tools does not bubble up error from unsupported metadata regeneration"
)
return
runtime.run("lttng {}".format(command))
runtime.run("lttng stop")
runtime.run("lttng destroy -a")
sessiond = runtime.subprocess_terminate(sessiond)
if sessiond.returncode != 0:
pytest.fail("Return value of sessiond is not zero")
cp_process, cp_out, cp_err = runtime.run(babeltrace_cmd)
assert line_count(cp_out) == nb_events