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#!/bin/bash
#
# SPDX-FileCopyrightText: 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
CURDIR=$(dirname "$0")/
TESTDIR=$CURDIR/../../../
TEST_TMPDIR=$(mktemp -d -t tmp.test_notif_kernel_buffer_usage_dir.XXXXXX)
# Set TMPDIR for further call to mktemp
export TMPDIR="$TEST_TMPDIR"
#This is needed since the testpoint create a pipe with the consumerd type suffixed
TESTPOINT_BASE_PATH=$(readlink -f "$TEST_TMPDIR/lttng.t_p_n")
TESTPOINT_PIPE_PATH=$(mktemp -u -t "lttng.t_p_n.XXXXXX")
TESTPOINT=$(readlink -f "${CURDIR}/.libs/libpause_consumer.so")
TESTAPP_STATE_PATH=$(mktemp -u -t "application_state.XXXXXXXXXX")
SESSION_NAME="my_session"
CHANNEL_NAME="my_channel"
NUM_TESTS=99
# shellcheck source=../../../utils/utils.sh
source "$TESTDIR/utils/utils.sh"
# shellcheck source=./util_event_generator.sh
source "$CURDIR/util_event_generator.sh"
function test_buffer_usage_notification
{
local event_name="lttng_test_filter_event"
local trace_path
local page_size
local consumerd_pipe=()
trace_path=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXXX")
page_size=$(getconf PAGE_SIZE)
create_lttng_session_notap $SESSION_NAME "$trace_path"
lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME \
--subbuf-size="$page_size"
enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME
kernel_event_generator generate_filter_events "$TESTAPP_STATE_PATH" &
APP_PID=$!
# This is needed since the testpoint create a pipe with the consumer
# type suffixed.
for f in "$TESTPOINT_BASE_PATH"*; do
consumerd_pipe+=("$f")
done
"$CURDIR/notification" 2 LTTNG_DOMAIN_KERNEL $APP_PID "$TESTAPP_STATE_PATH" \
$SESSION_NAME $CHANNEL_NAME "${consumerd_pipe[@]}"
destroy_lttng_session_notap $SESSION_NAME
kill -SIGUSR2 $APP_PID
wait $APP_PID 2> /dev/null
}
check_skip_kernel_test &&
{
plan_skip_all "Skipping all tests."
rm -rf "$TEST_TMPDIR"
exit 0
}
tap_disable
validate_lttng_modules_present
modprobe lttng-test
# Used on sessiond launch.
LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 \
CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} \
LD_PRELOAD=${TESTPOINT}"
start_lttng_sessiond_notap
test_buffer_usage_notification
stop_lttng_sessiond_notap
rmmod lttng-test
rm -rf "${consumerd_pipe[@]}" 2> /dev/null
rm -rf "$TEST_TMPDIR"
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