[lttng-tools.git] / tests / regression / tools / regen-metadata / test_kernel

#!/bin/bash
#
# Copyright (C) 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)

NUM_TESTS=24

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"* | grep 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"* | grep 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"
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

if [ "$(id -u)" == "0" ]; then
	isroot=1
else
	isroot=0
fi

skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
{
	validate_lttng_modules_present

	start_lttng_relayd "-o $TRACE_PATH"
	start_lttng_sessiond
	modprobe lttng-test

	tests=( test_kernel_streaming test_kernel_local )

	for fct_test in ${tests[@]};
	do
		SESSION_NAME=$(randstring 16 0)
		${fct_test}
	done

	rmmod lttng-test
	stop_lttng_sessiond
	stop_lttng_relayd
}
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
	4	#
	5	# SPDX-License-Identifier: LGPL-2.1-only
	6
	7	TEST_DESC="Streaming - Kernel tracing"
	8
	9	CURDIR=$(dirname $0)/
	10	TESTDIR=$CURDIR/../../..
	11	EVENT_NAME="lttng_test_filter_event"
	12	SESSION_NAME=""
	13
	14	TRACE_PATH=$(mktemp -d)
	15
	16	NUM_TESTS=24
	17
	18	source $TESTDIR/utils/utils.sh
	19
	20	function test_kernel_streaming ()
	21	{
	22	local metadata_path
	23
	24	diag "Test kernel streaming with metadata regeneration"
	25	create_lttng_session_uri $SESSION_NAME net://localhost
	26	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	27	start_lttng_tracing_ok $SESSION_NAME
	28	echo -n "100" > /proc/lttng-test-filter-event
	29
	30	# Baseline
	31	stop_lttng_tracing_ok $SESSION_NAME
	32	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	33
	34	# Find the metadata file
	35	metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* \| grep metadata)
	36
	37	# Empty the metadata file
	38	echo -n > "$metadata_path"
	39
	40	start_lttng_tracing_ok $SESSION_NAME
	41	regenerate_metadata_ok $SESSION_NAME
	42	stop_lttng_tracing_ok $SESSION_NAME
	43	# Validate test
	44	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	45	destroy_lttng_session_ok $SESSION_NAME
	46	rm -rf "$TRACE_PATH"
	47	}
	48
	49	function test_kernel_local ()
	50	{
	51	local metadata_path
	52
	53	diag "Test kernel local with metadata regeneration"
	54	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	55	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	56	start_lttng_tracing_ok $SESSION_NAME
	57
	58	# Baseline
	59	echo -n "100" > /proc/lttng-test-filter-event
	60	stop_lttng_tracing_ok $SESSION_NAME
	61	validate_trace $EVENT_NAME "$TRACE_PATH"
	62
	63	# Find the metadata file
	64	metadata_path=$(find "$TRACE_PATH"* \| grep metadata)
	65
	66	# Empty the metadata file
	67	echo -n > "$metadata_path"
	68
	69	start_lttng_tracing_ok $SESSION_NAME
	70	regenerate_metadata_ok $SESSION_NAME
	71	stop_lttng_tracing_ok $SESSION_NAME
	72
	73	validate_trace $EVENT_NAME $TRACE_PATH
	74	destroy_lttng_session_ok $SESSION_NAME
	75
	76	rm -rf "$TRACE_PATH"
	77	}
	78
	79	plan_tests $NUM_TESTS
	80
	81	print_test_banner "$TEST_DESC"
	82
	83	if [ "$(id -u)" == "0" ]; then
	84	isroot=1
	85	else
	86	isroot=0
	87	fi
	88
	89	skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS \|\|
	90	{
	91	validate_lttng_modules_present
	92
	93	start_lttng_relayd "-o $TRACE_PATH"
	94	start_lttng_sessiond
	95	modprobe lttng-test
	96
	97	tests=( test_kernel_streaming test_kernel_local )
	98
	99	for fct_test in ${tests[@]};
	100	do
	101	SESSION_NAME=$(randstring 16 0)
	102	${fct_test}
	103	done
	104
	105	rmmod lttng-test
	106	stop_lttng_sessiond
	107	stop_lttng_relayd
	108	}