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#!/bin/bash
#
# SPDX-FileCopyrightText: 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Rotation - Kernel tracing"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
NR_USEC_WAIT=0
TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
SESSION_NAME="stream"
UST_EVENT_NAME="tp:tptest"
KERNEL_EVENT_NAME="lttng_test_filter_event"
TRACE_PATH=$(mktemp -d -t tmp.rotation_ust_kernel_tracing.XXXXXX)
NUM_TESTS=64
source $TESTDIR/utils/utils.sh
source $CURDIR/rotate_utils.sh
function rotate_ust_kernel_test ()
{
local local_path=$1
local today
local expected_domains
expected_domains=("ust" "kernel")
enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
today=$(date +%Y%m%d)
# First chunk contains 10 events of each domain.
echo -n "10" > /proc/lttng-test-filter-event
$TESTAPP_BIN -i 10 -w $NR_USEC_WAIT > /dev/null 2>&1
rotate_session_ok $SESSION_NAME
# Second chunk contains 20 events of each domain.
echo -n "20" > /proc/lttng-test-filter-event
$TESTAPP_BIN -i 20 -w $NR_USEC_WAIT > /dev/null 2>&1
stop_lttng_tracing_ok $SESSION_NAME
# Third chunk contains no event (rotate after stop).
rotate_session_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
diag "Validate kernel domain chunks"
EVENT_NAME=$KERNEL_EVENT_NAME
validate_test_chunks $local_path $today kernel "${expected_domains[@]}"
diag "Validate user space domain chunks"
EVENT_NAME=$UST_EVENT_NAME
validate_test_chunks $local_path $today "ust/uid/*/*/" "${expected_domains[@]}"
}
function test_ust_kernel_streaming ()
{
diag "Test combined UST + kernel streaming with session rotation"
create_lttng_session_uri $SESSION_NAME net://localhost
rotate_ust_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives" "ust/uid/*/*/"
}
function test_ust_kernel_local ()
{
diag "Test combined UST + kernel local with session rotation"
create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
rotate_ust_kernel_test "${TRACE_PATH}/archives" "ust/uid/*/*/"
}
if [ ! -x "$TESTAPP_BIN" ]; then
BAIL_OUT "No UST events binary detected."
fi
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
bail_out_if_no_babeltrace
check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
{
validate_lttng_modules_present
start_lttng_relayd "-o $TRACE_PATH"
start_lttng_sessiond
modprobe lttng-test
tests=( test_ust_kernel_streaming test_ust_kernel_local )
for fct_test in "${tests[@]}";
do
SESSION_NAME=$(randstring 16 0)
${fct_test}
clean_path "$TRACE_PATH"
done
modprobe --remove lttng-test
stop_lttng_sessiond
stop_lttng_relayd
}
rm -rf "$TRACE_PATH"
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