X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Ftrigger%2Ftest_trigger_kernel;fp=tests%2Fregression%2Ftools%2Ftrigger%2Ftest_trigger_kernel;h=cc6fc5816e0c512081b4e3ea0a499739d4fd072e;hp=0000000000000000000000000000000000000000;hb=2463b7879c00298daa79744cdaae82ac061a4ed8;hpb=3a4595c2469472dee1656cde5f8882c2123efd3c diff --git a/tests/regression/tools/trigger/test_trigger_kernel b/tests/regression/tools/trigger/test_trigger_kernel new file mode 100755 index 000000000..cc6fc5816 --- /dev/null +++ b/tests/regression/tools/trigger/test_trigger_kernel @@ -0,0 +1,121 @@ +#!/bin/bash +# +# Copyright (C) - 2017 Jonathan Rajotte-Julien +# +# This library is free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; version 2.1 of the License. +# +# This library 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 Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +CURDIR=$(dirname $0)/ +TESTDIR=$CURDIR/../../../ + +TMPDIR=$(mktemp -d) + +#This is needed since the testpoint create a pipe with the consumerd type suffixed +TESTPOINT_BASE_PATH=$(readlink -f "$TMPDIR/lttng.t_p_n") +TESTPOINT_PIPE_PATH=$(mktemp -u "${TESTPOINT_BASE_PATH}.XXXXXX") +TESTPOIT_ARGS="CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LTTNG_TESTPOINT_ENABLE=1" +TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so) + + +TESTAPP_PATH="$TESTDIR/utils/testapp" +TESTAPP_NAME="gen-ust-events" +TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" +TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX") + +NR_ITER=-1 +NR_USEC_WAIT=5 + +SESSION_NAME="my_session" +CHANNEL_NAME="my_channel" + +TRACE_PATH=$(mktemp -d) +PAGE_SIZE=$(getconf PAGE_SIZE) + +DIR=$(readlink -f $TESTDIR) +NUM_TESTS=104 + +source $TESTDIR/utils/utils.sh + +function kernel_event_generator_toogle_state +{ + kernel_event_generator_suspended=$((kernel_event_generator_suspended==0)) + +} +function kernel_event_generator +{ + state_file=$1 + kernel_event_generator_suspended=0 + trap kernel_event_generator_toogle_state SIGUSR1 + + while (true); do + if [[ $kernel_event_generator_suspended -eq "1" ]]; then + touch $state_file + sleep 0.5 + else + if [[ -f $state_file ]]; then + rm $state_file 2> /dev/null + fi + echo -n "1000" > /proc/lttng-test-filter-event 2> /dev/null + fi + done +} + +function kernel_test +{ + local consumerd_pipe=() + local event_name="lttng_test_filter_event" + + modprobe lttng-test + + LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}" + start_lttng_sessiond_notap + + create_lttng_session_notap $SESSION_NAME $TRACE_PATH + + lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size=$PAGE_SIZE + enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME + + #This is needed since the testpoint create a pipe with the consumer type suffixed + for f in "$TESTPOINT_BASE_PATH"*; do + consumerd_pipe+=("$f") + done + + kernel_event_generator $TESTAPP_STATE_PATH & + APP_PID=$! + + $CURDIR/notification LTTNG_DOMAIN_KERNEL $SESSION_NAME $CHANNEL_NAME $APP_PID $TESTAPP_STATE_PATH ${consumerd_pipe[@]} + + destroy_lttng_session_notap $SESSION_NAME + stop_lttng_sessiond_notap + + kill -9 $APP_PID + wait $APP_PID 2> /dev/null + + + rmmod lttng-test + + rm -rf ${consumerd_pipe[@]} 2> /dev/null +} + +if [ "$(id -u)" == "0" ]; then + validate_lttng_modules_present + kernel_test +else + # Kernel tests are skipped. + plan_tests $NUM_TESTS + skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS +fi + +# Just in case cleanup +rm -rf $TRACE_PATH +rm -rf $TMPDIR