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#!/bin/bash
#
# SPDX-FileCopyrightText: 2013 Christian Babeux <christian.babeux@efficios.com>
# Copyright (C) 2014, 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only
#
TEST_DESC="Kernel tracer - Rotation destroy flush"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../..
SESSION_NAME="rotation_destroy_flush"
NR_ITER=10
NUM_TESTS=$((15*$NR_ITER))
EVENT_NAME="lttng_test_filter_event"
CHANNEL_NAME="testchan"
PAGE_SIZE=$(getconf PAGE_SIZE)
SIZE_LIMIT=$PAGE_SIZE
TESTCMD="echo -n 10000 > /proc/lttng-test-filter-event"
# Ensure the daemons invoke abort on error.
export LTTNG_ABORT_ON_ERROR=1
source $TESTDIR/utils/utils.sh
function signal_cleanup()
{
diag "*** Exiting ***"
modprobe --remove lttng-test
full_cleanup
}
function enable_kernel_lttng_channel_size_limit ()
{
sess_name="$1"
channel_name="$2"
tracefile_size_limit="$3"
test_name="Enable channel $channel_name "
test_name+="for session $sess_name: "
test_name+="$tracefile_size_limit bytes tracefile limit"
_run_lttng_cmd "$(lttng_client_log_file)" "$(lttng_client_err_file)" \
enable-channel \
--kernel "$channel_name" --session "$sess_name" \
--tracefile-size $tracefile_size_limit
ok $? "$test_name"
}
function enable_kernel_lttng_event_per_channel ()
{
sess_name="$1"
event_name="$2"
channel_name="$3"
test_name="Enable event $event_name "
test_name+="for session $sess_name "
test_name+="in channel $channel_name"
_run_lttng_cmd "$(lttng_client_log_file)" "$(lttng_client_err_file)" \
enable-event "$event_name" \
--session "$sess_name" --kernel --channel "$channel_name"
ok $? "$test_name"
}
function test_rotation_destroy_flush_single()
{
lttng_modules_loaded_fail
start_lttng_sessiond
modprobe lttng-test
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
enable_kernel_lttng_channel_size_limit \
$SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT
enable_kernel_lttng_event_per_channel \
$SESSION_NAME $EVENT_NAME $CHANNEL_NAME
start_lttng_tracing_ok $SESSION_NAME
eval ${TESTCMD}
# stop and destroy
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
rm -rf $TRACE_PATH
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
enable_kernel_lttng_channel_size_limit \
$SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT
enable_kernel_lttng_event_per_channel \
$SESSION_NAME $EVENT_NAME $CHANNEL_NAME
start_lttng_tracing_ok $SESSION_NAME
eval ${TESTCMD}
# destroy only
destroy_lttng_session_ok $SESSION_NAME
rm -rf $TRACE_PATH
modprobe --remove lttng-test
stop_lttng_sessiond
lttng_modules_loaded_fail
}
function test_rotation_destroy_flush()
{
for a in $(seq 1 ${NR_ITER}); do
diag "Iteration ${a}/${NR_ITER}"
test_rotation_destroy_flush_single
done
}
# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
TESTS=(
"test_rotation_destroy_flush"
)
TEST_COUNT=${#TESTS[@]}
i=0
check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
{
validate_lttng_modules_present
trap signal_cleanup SIGTERM SIGINT
while [ "$i" -lt "$TEST_COUNT" ]; do
TRACE_PATH=$(mktemp -d -t tmp.test_kernel_rotation_destroy_flush.XXXXXX)
# Execute test
${TESTS[$i]}
let "i++"
done
}
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