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

#!/bin/bash
#
# Copyright (C) - 2016 Julien Desfossez <jdesfossez@efficios.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License, version 2 only, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

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()
{
	TRACE_PATH=$(mktemp -d)
	SESSION_NAME="ust_perf"
	CHAN_NAME="mychan"
	EVENT_NAME="tp:tptest"
	PMU="UNHALTED_REFERENCE_CYCLES"
	PERFID=$($CURDIR/find_event $PMU)
	test $? -eq "0"
	ok $? "Find PMU $PMU"

	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()
{
	TRACE_PATH=$(mktemp -d)
	SESSION_NAME="kernel_perf"
	CHAN_NAME="mychan"
	EVENT_NAME="lttng_test_filter_event"
	PMU="UNHALTED_REFERENCE_CYCLES"
	PERFID=$($CURDIR/find_event $PMU)
	test $? -eq "0"
	ok $? "Find PMU $PMU"

	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
	rmmod lttng-test
}

stop_lttng_sessiond
Commit	Line	Data
6faa26ca JD	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2016 Julien Desfossez <jdesfossez@efficios.com>
	4	#
	5	# This program is free software; you can redistribute it and/or modify it
	6	# under the terms of the GNU General Public License, version 2 only, as
	7	# published by the Free Software Foundation.
	8	#
	9	# This program is distributed in the hope that it will be useful, but WITHOUT
	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	# more details.
	13	#
	14	# You should have received a copy of the GNU General Public License along with
	15	# this program; if not, write to the Free Software Foundation, Inc., 51
	16	# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	17
	18	TEST_DESC="Perf counters"
	19
	20	CURDIR=$(dirname $0)/
	21	TESTDIR=$CURDIR/..
	22	LTTNG_BIN="lttng"
	23	SESSION_NAME="perf_counters"
95cdb5e3	24	NUM_TESTS=21
6faa26ca JD	25	NR_ITER=1
	26	NR_USEC_WAIT=1
	27	TESTAPP_PATH="$TESTDIR/utils/testapp"
	28	TESTAPP_NAME="gen-ust-events"
	29	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	30	# Empty if libpfm is installed, "#" otherwise
	31	HAVE_LIBPFM="@LTTNG_TOOLS_BUILD_WITH_LIBPFM_TRUE@"
	32
	33	source $TESTDIR/utils/utils.sh
	34
	35	function enable_ust_lttng_event_per_chan()
	36	{
	37	sess_name="$1"
	38	event_name="$2"
	39	chan_name="$3"
	40
	41	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -c $chan_name -u >/dev/null 2>&1
	42	ok $? "Enable event $event_name for session $sess_name in channel $chan_name"
	43	}
	44
	45	function have_libpfm()
	46	{
	47	test -z $HAVE_LIBPFM
	48	ok $? "Have libpfm installed"
	49	}
	50
	51	function test_ust_raw()
	52	{
	53	TRACE_PATH=$(mktemp -d)
	54	SESSION_NAME="ust_perf"
	55	CHAN_NAME="mychan"
	56	EVENT_NAME="tp:tptest"
	57	PMU="UNHALTED_REFERENCE_CYCLES"
	58	PERFID=$($CURDIR/find_event $PMU)
	59	test $? -eq "0"
	60	ok $? "Find PMU $PMU"
	61
	62	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	63
	64	enable_ust_lttng_channel_ok $SESSION_NAME $CHAN_NAME
	65
	66	enable_ust_lttng_event_per_chan $SESSION_NAME $EVENT_NAME $CHAN_NAME
	67
	68	add_context_ust_ok $SESSION_NAME $CHAN_NAME "perf:thread:raw:${PERFID}:test"
	69
	70	start_lttng_tracing_ok
	71
6c4a91d6	72	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT >/dev/null 2>&1
6faa26ca JD	73
	74	stop_lttng_tracing_ok
	75
	76	destroy_lttng_session_ok $SESSION_NAME
	77
	78	validate_trace "perf_thread_raw_${PERFID}_test" $TRACE_PATH
	79
	80	rm -rf $TRACE_PATH
	81	}
	82
	83	function test_kernel_raw()
	84	{
	85	TRACE_PATH=$(mktemp -d)
	86	SESSION_NAME="kernel_perf"
	87	CHAN_NAME="mychan"
	88	EVENT_NAME="lttng_test_filter_event"
	89	PMU="UNHALTED_REFERENCE_CYCLES"
	90	PERFID=$($CURDIR/find_event $PMU)
	91	test $? -eq "0"
	92	ok $? "Find PMU $PMU"
	93
	94	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	95
	96	lttng_enable_kernel_channel_ok $SESSION_NAME $CHAN_NAME
	97
	98	enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHAN_NAME
	99
	100	add_context_kernel_ok $SESSION_NAME $CHAN_NAME "perf:cpu:raw:${PERFID}:test"
	101
	102	start_lttng_tracing_ok
	103
	104	echo -n 10 > /proc/lttng-test-filter-event
	105
	106	stop_lttng_tracing_ok
	107
	108	destroy_lttng_session_ok $SESSION_NAME
	109
	110	validate_trace "perf_cpu_raw_${PERFID}_test" $TRACE_PATH
	111
	112	rm -rf $TRACE_PATH
	113	}
	114
	115	if [ "$(id -u)" == "0" ]; then
	116	isroot=1
	117	else
	118	isroot=0
	119	fi
	120
	121	# MUST set TESTDIR before calling those functions
	122	plan_tests $NUM_TESTS
	123
	124	print_test_banner "$TEST_DESC"
	125
	126	start_lttng_sessiond
	127
	128	have_libpfm
	129
	130	test_ust_raw
	131
	132	skip $isroot "Root access is needed for kernel testing, skipping." 9 \|\|
	133	{
	134	modprobe lttng-test
	135	test_kernel_raw
	136	rmmod lttng-test
137	}
138
139	stop_lttng_sessiond