| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2013 Julien Desfossez <julien.desfossez@efficios.com> |
| 4 | # Copyright (C) 2013 David Goulet <dgoulet@efficios.com> |
| 5 | # |
| 6 | # SPDX-License-Identifier: LGPL-2.1-only |
| 7 | |
| 8 | TEST_DESC="Live - Kernel space tracing" |
| 9 | |
| 10 | CURDIR=$(dirname $0)/ |
| 11 | TESTDIR=$CURDIR/../../../ |
| 12 | NR_ITER=1 |
| 13 | NR_USEC_WAIT=1 |
| 14 | DELAY_USEC=2000000 |
| 15 | |
| 16 | SESSION_NAME="live" |
| 17 | EVENT_NAME="lttng_test_filter_event" |
| 18 | |
| 19 | TRACE_PATH=$(mktemp -d) |
| 20 | |
| 21 | DIR=$(readlink -f $TESTDIR) |
| 22 | |
| 23 | source $TESTDIR/utils/utils.sh |
| 24 | |
| 25 | function setup_live_tracing() |
| 26 | { |
| 27 | # Create session with default path |
| 28 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \ |
| 29 | -U net://localhost >/dev/null 2>&1 |
| 30 | |
| 31 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$EVENT_NAME" -s $SESSION_NAME -k >/dev/null 2>&1 |
| 32 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN start $SESSION_NAME >/dev/null 2>&1 |
| 33 | } |
| 34 | |
| 35 | function clean_live_tracing() |
| 36 | { |
| 37 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $SESSION_NAME >/dev/null 2>&1 |
| 38 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $SESSION_NAME >/dev/null 2>&1 |
| 39 | rm -rf $TRACE_PATH |
| 40 | } |
| 41 | |
| 42 | # Need root access for kernel tracing. |
| 43 | if [ "$(id -u)" == "0" ]; then |
| 44 | isroot=1 |
| 45 | else |
| 46 | echo "Root access is needed. Skipping all tests." |
| 47 | exit 0 |
| 48 | fi |
| 49 | |
| 50 | modprobe lttng-test |
| 51 | |
| 52 | start_lttng_sessiond_notap |
| 53 | start_lttng_relayd_notap "-o $TRACE_PATH" |
| 54 | |
| 55 | setup_live_tracing |
| 56 | |
| 57 | echo -n "1" > /proc/lttng-test-filter-event |
| 58 | |
| 59 | # Start the live test |
| 60 | $TESTDIR/regression/tools/live/live_test |
| 61 | |
| 62 | clean_live_tracing |
| 63 | |
| 64 | stop_lttng_relayd_notap |
| 65 | stop_lttng_sessiond_notap |
| 66 | |
| 67 | modprobe --remove lttng-test |