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|
#!/bin/bash
#
# SPDX-FileCopyrightText: 2015 Julien Desfossez <jdesfossez@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Streaming - Kernel tracing"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="lttng_test_filter_event"
SESSION_NAME=""
TRACE_PATH=$(mktemp -d -t tmp.test_regen_metadata_kernel_trace_path.XXXXXX)
NUM_TESTS=34
source $TESTDIR/utils/utils.sh
function test_kernel_streaming ()
{
local metadata_path
diag "Test kernel streaming with metadata regeneration"
create_lttng_session_uri $SESSION_NAME net://localhost
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
echo -n "100" > /proc/lttng-test-filter-event
# Baseline
stop_lttng_tracing_ok $SESSION_NAME
validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
# Find the metadata file
metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* -name "metadata")
# Empty the metadata file
echo -n > "$metadata_path"
start_lttng_tracing_ok $SESSION_NAME
regenerate_metadata_ok $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
# Validate test
validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
destroy_lttng_session_ok $SESSION_NAME
rm -rf "$TRACE_PATH"
}
function test_kernel_local ()
{
local metadata_path
diag "Test kernel local with metadata regeneration"
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
# Baseline
echo -n "100" > /proc/lttng-test-filter-event
stop_lttng_tracing_ok $SESSION_NAME
validate_trace $EVENT_NAME "$TRACE_PATH"
# Find the metadata file
metadata_path=$(find "$TRACE_PATH"* -name "metadata")
# Empty the metadata file
echo -n > "$metadata_path"
start_lttng_tracing_ok $SESSION_NAME
regenerate_metadata_ok $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
validate_trace $EVENT_NAME $TRACE_PATH
destroy_lttng_session_ok $SESSION_NAME
rm -rf "$TRACE_PATH"
}
function test_kernel_local_snapshot_after_regenerate_metadata ()
{
diag "Test kernel local snapshot after regenerate metadata"
create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" --snapshot
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
echo -n "100" > /proc/lttng-test-filter-event
regenerate_metadata_ok $SESSION_NAME
lttng_snapshot_record $SESSION_NAME "$TRACE_PATH"
stop_lttng_tracing_ok $SESSION_NAME
validate_trace $EVENT_NAME "$TRACE_PATH"
destroy_lttng_session_ok $SESSION_NAME
rm -rf "$TRACE_PATH"
}
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
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_snapshot_after_regenerate_metadata )
for fct_test in ${tests[@]};
do
SESSION_NAME=$(randstring 16 0)
${fct_test}
done
modprobe --remove lttng-test
stop_lttng_sessiond
stop_lttng_relayd
lttng_modules_loaded_fail
}
|
