X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Fnotification%2Ftest_notification_kernel_buffer_usage;fp=tests%2Fregression%2Ftools%2Fnotification%2Ftest_notification_kernel_buffer_usage;h=3214f90f9aebd2d27d70da17969ac7981d6a62a1;hb=2463b7879c00298daa79744cdaae82ac061a4ed8;hp=0000000000000000000000000000000000000000;hpb=3a4595c2469472dee1656cde5f8882c2123efd3c;p=deliverable%2Flttng-tools.git

diff --git a/tests/regression/tools/notification/test_notification_kernel_buffer_usage b/tests/regression/tools/notification/test_notification_kernel_buffer_usage
new file mode 100755
index 000000000..3214f90f9
--- /dev/null
+++ b/tests/regression/tools/notification/test_notification_kernel_buffer_usage
@@ -0,0 +1,88 @@
+#!/bin/bash
+#
+# Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+#
+# SPDX-License-Identifier: LGPL-2.1-only
+
+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 "${TESTPOINT_BASE_PATH}.XXXXXX")
+TESTPOINT=$(readlink -f "${CURDIR}/.libs/libpause_consumer.so")
+TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")
+
+
+SESSION_NAME="my_session"
+CHANNEL_NAME="my_channel"
+
+NUM_TESTS=104
+
+# shellcheck source=../../../utils/utils.sh
+source "$TESTDIR/utils/utils.sh"
+# shellcheck source=./util_event_generator.sh
+source "$CURDIR/util_event_generator.sh"
+
+function test_buffer_usage_notification
+{
+	local event_name="lttng_test_filter_event"
+	local trace_path
+	local page_size
+	local consumerd_pipe=()
+
+	trace_path=$(mktemp -d)
+	page_size=$(getconf PAGE_SIZE)
+
+	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 $CHANNEL_NAME
+
+	kernel_event_generator generate_filter_events "$TESTAPP_STATE_PATH" &
+	APP_PID=$!
+
+	# This is needed since the testpoint create a pipe with the consumer
+	# type suffixed.
+	for f in "$TESTPOINT_BASE_PATH"*; do
+		consumerd_pipe+=("$f")
+	done
+
+	"$CURDIR/notification" 2 LTTNG_DOMAIN_KERNEL $APP_PID "$TESTAPP_STATE_PATH" \
+		$SESSION_NAME $CHANNEL_NAME "${consumerd_pipe[@]}"
+
+	destroy_lttng_session_notap $SESSION_NAME
+
+	kill -SIGUSR2 $APP_PID
+	wait $APP_PID 2> /dev/null
+}
+
+if [ "$(id -u)" == "0" ]; then
+
+	validate_lttng_modules_present
+
+
+	modprobe lttng-test
+
+	# Used on sessiond launch.
+	LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 \
+		CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} \
+		LD_PRELOAD=${TESTPOINT}"
+	start_lttng_sessiond_notap
+
+	test_buffer_usage_notification
+
+	stop_lttng_sessiond_notap
+	rmmod lttng-test
+
+	rm -rf "${consumerd_pipe[@]}" 2> /dev/null
+else
+	# Kernel tests are skipped.
+	plan_tests $NUM_TESTS
+	skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
+fi
+
+rm -rf "$TMPDIR"