[lttng-tools.git] / tests / perf / test_perf_raw.in

#!/bin/bash
#
# Copyright (C) 2016 Julien Desfossez <jdesfossez@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only
#

TEST_DESC="Perf counters"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/..
LTTNG_BIN="lttng"
SESSION_NAME="perf_counters"
NUM_TESTS=21
NR_ITER=1
NR_USEC_WAIT=1
TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
# Empty if libpfm is installed, "#" otherwise
HAVE_LIBPFM="@LTTNG_TOOLS_BUILD_WITH_LIBPFM_TRUE@"

source $TESTDIR/utils/utils.sh

function enable_ust_lttng_event_per_chan()
{
	sess_name="$1"
	event_name="$2"
	chan_name="$3"

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -c $chan_name -u >/dev/null 2>&1
	ok $? "Enable event $event_name for session $sess_name in channel $chan_name"
}

function have_libpfm()
{
	test -z $HAVE_LIBPFM
	ok $? "Have libpfm installed"
}

function test_ust_raw()
{
	local SESSION_NAME="ust_perf"
	local CHAN_NAME="mychan"
	local EVENT_NAME="tp:tptest"
	local PMU="UNHALTED_REFERENCE_CYCLES"
	local tests_to_skip=9
	local ret
	local TRACE_PATH

	# Find the raw perf id of the event.
	PERFID=$("$CURDIR/find_event" "$PMU")
	ret=$?
	if [ "$ret" -eq "0" ]; then
		pass "Find PMU $PMU"
	elif [ "$ret" -eq "1" ]; then
		skip 0 "PMU event not found." $tests_to_skip
		return
	elif [ "$ret" -eq "2" ]; then
		skip 0 "PMU event not actionable." $tests_to_skip
		return
	else
		fail "find_event returned $ret."
		return
	fi

	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	enable_ust_lttng_channel_ok $SESSION_NAME $CHAN_NAME

	enable_ust_lttng_event_per_chan $SESSION_NAME $EVENT_NAME $CHAN_NAME

	add_context_ust_ok $SESSION_NAME $CHAN_NAME "perf:thread:raw:${PERFID}:test"

	start_lttng_tracing_ok

	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT >/dev/null 2>&1

	stop_lttng_tracing_ok

	destroy_lttng_session_ok $SESSION_NAME

	validate_trace "perf_thread_raw_${PERFID}_test" $TRACE_PATH

	rm -rf $TRACE_PATH
}

function test_kernel_raw()
{
	local SESSION_NAME="kernel_perf"
	local CHAN_NAME="mychan"
	local EVENT_NAME="lttng_test_filter_event"
	local PMU="UNHALTED_REFERENCE_CYCLES"
	local PERFID=""
	local tests_to_skip=9
	local ret
	local TRACE_PATH

	# Find the raw perf id of the event.
	PERFID=$("$CURDIR/find_event" "$PMU")
	ret=$?
	if [ "$ret" -eq "0" ]; then
		pass "Find PMU $PMU"
	elif [ "$ret" -eq "1" ]; then
		skip 0 "PMU event not found." $tests_to_skip
		return
	elif [ "$ret" -eq "2" ]; then
		skip 0 "PMU event not actionable." $tests_to_skip
		return
	else
		fail "find_event returned $ret."
		return
	fi

	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_channel_ok $SESSION_NAME $CHAN_NAME

	enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHAN_NAME

	add_context_kernel_ok $SESSION_NAME $CHAN_NAME "perf:cpu:raw:${PERFID}:test"

	start_lttng_tracing_ok

	echo -n 10 > /proc/lttng-test-filter-event

	stop_lttng_tracing_ok

	destroy_lttng_session_ok $SESSION_NAME

	validate_trace "perf_cpu_raw_${PERFID}_test" $TRACE_PATH

	rm -rf $TRACE_PATH
}

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

# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

start_lttng_sessiond

have_libpfm

test_ust_raw

skip $isroot "Root access is needed for kernel testing, skipping." 9 ||
{
	modprobe lttng-test
	test_kernel_raw
	modprobe --remove lttng-test
}

stop_lttng_sessiond
Commit	Line	Data
6faa26ca JD	1	#!/bin/bash
6faa26ca JD	2	#
9d16b343	3	# Copyright (C) 2016 Julien Desfossez <jdesfossez@efficios.com>
6faa26ca	4	#
9d16b343	5	# SPDX-License-Identifier: GPL-2.0-only
6faa26ca	6	#
6faa26ca JD	7
	8	TEST_DESC="Perf counters"
	9
	10	CURDIR=$(dirname $0)/
	11	TESTDIR=$CURDIR/..
	12	LTTNG_BIN="lttng"
	13	SESSION_NAME="perf_counters"
95cdb5e3	14	NUM_TESTS=21
6faa26ca JD	15	NR_ITER=1
	16	NR_USEC_WAIT=1
	17	TESTAPP_PATH="$TESTDIR/utils/testapp"
	18	TESTAPP_NAME="gen-ust-events"
	19	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	20	# Empty if libpfm is installed, "#" otherwise
	21	HAVE_LIBPFM="@LTTNG_TOOLS_BUILD_WITH_LIBPFM_TRUE@"
	22
	23	source $TESTDIR/utils/utils.sh
	24
	25	function enable_ust_lttng_event_per_chan()
	26	{
	27	sess_name="$1"
	28	event_name="$2"
	29	chan_name="$3"
	30
	31	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -c $chan_name -u >/dev/null 2>&1
	32	ok $? "Enable event $event_name for session $sess_name in channel $chan_name"
	33	}
	34
	35	function have_libpfm()
	36	{
	37	test -z $HAVE_LIBPFM
	38	ok $? "Have libpfm installed"
	39	}
	40
	41	function test_ust_raw()
	42	{
65702b8f JR	43	local SESSION_NAME="ust_perf"
	44	local CHAN_NAME="mychan"
	45	local EVENT_NAME="tp:tptest"
	46	local PMU="UNHALTED_REFERENCE_CYCLES"
	47	local tests_to_skip=9
	48	local ret
33e55711	49	local TRACE_PATH
65702b8f JR	50
	51	# Find the raw perf id of the event.
	52	PERFID=$("$CURDIR/find_event" "$PMU")
	53	ret=$?
	54	if [ "$ret" -eq "0" ]; then
	55	pass "Find PMU $PMU"
	56	elif [ "$ret" -eq "1" ]; then
	57	skip 0 "PMU event not found." $tests_to_skip
	58	return
	59	elif [ "$ret" -eq "2" ]; then
	60	skip 0 "PMU event not actionable." $tests_to_skip
	61	return
	62	else
	63	fail "find_event returned $ret."
	64	return
	65	fi
6faa26ca	66
8d5a3312	67	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
33e55711	68
6faa26ca JD	69	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	70
	71	enable_ust_lttng_channel_ok $SESSION_NAME $CHAN_NAME
	72
	73	enable_ust_lttng_event_per_chan $SESSION_NAME $EVENT_NAME $CHAN_NAME
	74
	75	add_context_ust_ok $SESSION_NAME $CHAN_NAME "perf:thread:raw:${PERFID}:test"
	76
	77	start_lttng_tracing_ok
	78
6c4a91d6	79	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT >/dev/null 2>&1
6faa26ca JD	80
	81	stop_lttng_tracing_ok
	82
	83	destroy_lttng_session_ok $SESSION_NAME
	84
	85	validate_trace "perf_thread_raw_${PERFID}_test" $TRACE_PATH
	86
	87	rm -rf $TRACE_PATH
	88	}
	89
	90	function test_kernel_raw()
	91	{
65702b8f JR	92	local SESSION_NAME="kernel_perf"
	93	local CHAN_NAME="mychan"
	94	local EVENT_NAME="lttng_test_filter_event"
	95	local PMU="UNHALTED_REFERENCE_CYCLES"
	96	local PERFID=""
	97	local tests_to_skip=9
	98	local ret
33e55711	99	local TRACE_PATH
65702b8f JR	100
	101	# Find the raw perf id of the event.
	102	PERFID=$("$CURDIR/find_event" "$PMU")
	103	ret=$?
	104	if [ "$ret" -eq "0" ]; then
	105	pass "Find PMU $PMU"
	106	elif [ "$ret" -eq "1" ]; then
	107	skip 0 "PMU event not found." $tests_to_skip
	108	return
	109	elif [ "$ret" -eq "2" ]; then
	110	skip 0 "PMU event not actionable." $tests_to_skip
	111	return
	112	else
	113	fail "find_event returned $ret."
	114	return
	115	fi
6faa26ca	116
8d5a3312	117	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
33e55711	118
6faa26ca JD	119	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	120
	121	lttng_enable_kernel_channel_ok $SESSION_NAME $CHAN_NAME
	122
	123	enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHAN_NAME
	124
	125	add_context_kernel_ok $SESSION_NAME $CHAN_NAME "perf:cpu:raw:${PERFID}:test"
	126
	127	start_lttng_tracing_ok
	128
	129	echo -n 10 > /proc/lttng-test-filter-event
	130
	131	stop_lttng_tracing_ok
	132
	133	destroy_lttng_session_ok $SESSION_NAME
	134
	135	validate_trace "perf_cpu_raw_${PERFID}_test" $TRACE_PATH
	136
	137	rm -rf $TRACE_PATH
	138	}
	139
	140	if [ "$(id -u)" == "0" ]; then
	141	isroot=1
	142	else
	143	isroot=0
	144	fi
	145
	146	# MUST set TESTDIR before calling those functions
	147	plan_tests $NUM_TESTS
	148
	149	print_test_banner "$TEST_DESC"
	150
	151	start_lttng_sessiond
	152
	153	have_libpfm
	154
	155	test_ust_raw
	156
	157	skip $isroot "Root access is needed for kernel testing, skipping." 9 \|\|
	158	{
	159	modprobe lttng-test
	160	test_kernel_raw
d0e263e7	161	modprobe --remove lttng-test
6faa26ca JD	162	}
	163
	164	stop_lttng_sessiond