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|
#!/bin/bash
#
# SPDX-FileCopyrightText: 2017 Julien Desfossez <jdesfossez@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Rotation - Kernel tracing"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="lttng_test_filter_event"
TRACE_PATH=$(mktemp -d -t tmp.rotation_kernel_tracing.XXXXXX)
NUM_TESTS=68
source $TESTDIR/utils/utils.sh
source $CURDIR/rotate_utils.sh
function rotate_kernel_test ()
{
local_path=$1
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
today=$(date +%Y%m%d)
# First chunk contains 10 events.
echo -n "10" > /proc/lttng-test-filter-event
rotate_session_ok $SESSION_NAME
# Second chunk contains 20 events.
echo -n "20" > /proc/lttng-test-filter-event
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
validate_test_chunks $local_path $today kernel kernel
}
function test_kernel_streaming ()
{
diag "Test kernel streaming with session rotation"
create_lttng_session_uri $SESSION_NAME net://localhost
rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives"
}
function test_kernel_local ()
{
diag "Test kernel local with session rotation"
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
rotate_kernel_test "${TRACE_PATH}/archives"
}
function test_kernel_local_timer ()
{
diag "Test kernel local with session rotation timer"
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
start_lttng_tracing_ok $SESSION_NAME
rotate_timer_test "${TRACE_PATH}/archives" 0
}
function test_kernel_streaming_timer ()
{
diag "Test kernel remote with session rotation timer"
create_lttng_session_uri $SESSION_NAME net://localhost
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
start_lttng_tracing_ok $SESSION_NAME
rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives" 0
}
function produce_n_events ()
{
local event_count=$1
echo -n $event_count > /proc/lttng-test-filter-event
}
function test_kernel_local_size ()
{
diag "Rotate kernel local session every 2MiB"
local size_threshold=$((2 * 1024 * 1024))
diag "Test ust local with size-based session rotation per-uid"
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
lttng_enable_rotation_size_ok $SESSION_NAME $size_threshold
start_lttng_tracing_ok $SESSION_NAME
# Cutoff at 100 times the expected size
trace_until_n_archives produce_n_events "$TRACE_PATH" 5 $((5 * 100 * size_threshold))
destroy_lttng_session_ok $SESSION_NAME
}
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
bail_out_if_no_babeltrace
check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
{
lttng_modules_loaded_fail
validate_lttng_modules_present
start_lttng_relayd "-o $TRACE_PATH"
start_lttng_sessiond
modprobe lttng-test
tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer test_kernel_local_size )
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
lttng_modules_loaded_fail
}
rm -rf $TRACE_PATH
|
