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|
#!/bin/bash
#
# SPDX-FileCopyrightText: 2023 Kienan Stewart <kstewart@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
#
TEST_DESC="Verifies that the sessiond starts (or doesn't start) appropriately depending on the combination of path settings in conjuction with LTTNG_UST_ALLOW_BLOCKING and '--blocking-timeout'"
CURDIR="$(dirname "${0}")"
TESTDIR="${CURDIR}/../../../"
NUM_TESTS=34
# shellcheck source=../../../utils/utils.sh
source "${TESTDIR}/utils/utils.sh"
TESTAPP="${TESTDIR}/utils/testapp/gen-ust-events/gen-ust-events"
SESSION_NAME="ust-blocking"
CHANNEL_NAME="ust-blocking"
EVENT_NAMES="tp:tptest"
function test_blocking_mode_app_path()
{
APP_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.app.XXXXXX")"
TRACE_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.trace.XXXXXX")"
env_vars=(
LTTNG_UST_ALLOW_BLOCKING=1
LTTNG_UST_APP_PATH="${APP_PATH}"
)
# shellcheck disable=SC2119
LTTNG_SESSIOND_ENV_VARS="${env_vars[*]}" start_lttng_sessiond
create_lttng_session_ok "${SESSION_NAME}" "${TRACE_PATH}"
enable_ust_lttng_channel_ok "${SESSION_NAME}" "${CHANNEL_NAME}" "--blocking-timeout=inf"
enable_ust_lttng_event_ok "${SESSION_NAME}" "--all" "${CHANNEL_NAME}"
start_lttng_tracing_ok "${SESSION_NAME}"
"${TESTAPP}" -i 100 -w 0
stop_lttng_tracing_ok "${SESSION_NAME}"
destroy_lttng_session_ok "${SESSION_NAME}" --no-wait
validate_trace_count "${EVENT_NAMES}" "${TRACE_PATH}" 100
# shellcheck disable=SC2119
stop_lttng_sessiond
rm -rf "${APP_PATH}" "${TRACE_PATH}"
}
function test_blocking_mode_default_paths()
{
diag "Test starting sessiond in blocking with neither LTTNG_UST_APP_PATH nor LTTNG_UST_CTL_PATH set"
env_vars=(
LTTNG_UST_ALLOW_BLOCKING=1
)
# shellcheck disable=SC2119
LTTNG_SESSIOND_ENV_VARS="${env_vars[*]}" start_lttng_sessiond_fail
# shellcheck disable=SC2119
stop_lttng_sessiond_cleanup
}
function test_blocking_mode_ctl_path()
{
diag "Test starting sessiond in blocking with LTTNG_UST_CTL_PATH set"
CTL_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.ctl.XXXXXX")"
TRACE_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.trace.XXXXXX")"
env_vars=(
LTTNG_UST_ALLOW_BLOCKING=1
LTTNG_UST_CTL_PATH="${CTL_PATH}"
)
# shellcheck disable=SC2119
LTTNG_SESSIOND_ENV_VARS="${env_vars[*]}" start_lttng_sessiond
create_lttng_session_ok "${SESSION_NAME}" "${TRACE_PATH}"
enable_ust_lttng_channel_ok "${SESSION_NAME}" "${CHANNEL_NAME}" "--blocking-timeout=inf"
enable_ust_lttng_event_ok "${SESSION_NAME}" "--all" "${CHANNEL_NAME}"
start_lttng_tracing_ok "${SESSION_NAME}"
LTTNG_UST_APP_PATH="${CTL_PATH}" "${TESTAPP}" -i 100 -w 0
stop_lttng_tracing_ok "${SESSION_NAME}"
destroy_lttng_session_ok "${SESSION_NAME}" --no-wait
validate_trace_count "${EVENT_NAMES}" "${TRACE_PATH}" 100
# shellcheck disable=SC2119
stop_lttng_sessiond
rm -rf "${CTL_PATH}" "${TRACE_PATH}"
}
function test_blocking_mode_with_different_paths()
{
diag "Test starting sessiond in blocking with different LTTNG_UST_APP_PATH and LTTNG_UST_CTL_PATHs"
CTL_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.ctl.XXXXXX")"
APP_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.app.XXXXXX")"
TRACE_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.trace.XXXXXX")"
env_vars=(
LTTNG_UST_ALLOW_BLOCKING=1
LTTNG_UST_CTL_PATH="${CTL_PATH}"
LTTNG_UST_APP_PATH="${APP_PATH}"
)
# shellcheck disable=SC2119
LTTNG_SESSIOND_ENV_VARS="${env_vars[*]}" start_lttng_sessiond
create_lttng_session_ok "${SESSION_NAME}" "${TRACE_PATH}"
enable_ust_lttng_channel_ok "${SESSION_NAME}" "${CHANNEL_NAME}" "--blocking-timeout=inf"
enable_ust_lttng_event_ok "${SESSION_NAME}" "--all" "${CHANNEL_NAME}"
start_lttng_tracing_ok "${SESSION_NAME}"
LTTNG_UST_APP_PATH="${CTL_PATH}" "${TESTAPP}" -i 100 -w 0
stop_lttng_tracing_ok "${SESSION_NAME}"
destroy_lttng_session_ok "${SESSION_NAME}" --no-wait
validate_trace_count "${EVENT_NAMES}" "${TRACE_PATH}" 100
# shellcheck disable=SC2119
stop_lttng_sessiond
rm -rf "${CTL_PATH}" "${TRACE_PATH}" "${APP_PATH}"
}
function test_blocking_mode_with_same_paths()
{
diag "Test starting sessiond in blocking with the same LTTNG_UST_APP_PATH and LTTNG_UST_CTL_PATHs"
CTL_PATH="$(mktemp -d -t "tmp.${FUNCNAME[0]}.XXXXXX")"
env_vars=(
LTTNG_UST_CTL_PATH="${CTL_PATH}"
LTTNG_UST_APP_PATH="${CTL_PATH}"
LTTNG_UST_ALLOW_BLOCKING=1
)
# shellcheck disable=SC2119
LTTNG_SESSIOND_ENV_VARS="${env_vars[*]}" start_lttng_sessiond_fail
# shellcheck disable=SC2119
stop_lttng_sessiond_cleanup
rm -rf "${CTL_PATH}"
}
function test_blocking_mode_app_path_is_default_ctl_path() {
diag "Test starting sessiond when it's app path happens to match the default ctl path"
APP_PATH="$(lttng_default_rundir)"
env_vars=(
LTTNG_UST_APP_PATH="${APP_PATH}"
LTTNG_UST_ALLOW_BLOCKING=1
)
# shellcheck disable=SC2119
LTTNG_SESSIOND_ENV_VARS="${env_vars[*]}" start_lttng_sessiond_fail
# shellcheck disable=SC2119
stop_lttng_sessiond_cleanup
}
function test_blocking_mode_ctl_path_is_default_app_path() {
diag "Test starting sessiond when it's ctl path happens to match the default ctl path"
CTL_PATH="$(lttng_default_rundir)"
env_vars=(
LTTNG_UST_CTL_PATH="${APP_PATH}"
LTTNG_UST_ALLOW_BLOCKING=1
)
# shellcheck disable=SC2119
LTTNG_SESSIOND_ENV_VARS="${env_vars[*]}" start_lttng_sessiond_fail
# shellcheck disable=SC2119
stop_lttng_sessiond_cleanup
}
TESTS=(
test_blocking_mode_default_paths
test_blocking_mode_app_path
test_blocking_mode_ctl_path
test_blocking_mode_with_same_paths
test_blocking_mode_with_different_paths
test_blocking_mode_app_path_is_default_ctl_path
test_blocking_mode_ctl_path_is_default_app_path
)
plan_tests "${NUM_TESTS}"
print_test_banner "${TEST_DESC}"
for TEST in "${TESTS[@]}" ; do
"${TEST}"
done
|
