projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 1b368955 JD |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # Copyright (C) - 2013 Julien Desfossez <julien.desfossez@efficios.com> | |
| 4 | # David Goulet <dgoulet@efficios.com> | |
| 5 | # | |
| 6 | # This library is free software; you can redistribute it and/or modify it under | |
| 7 | # the terms of the GNU Lesser General Public License as published by the Free | |
| 8 | # Software Foundation; version 2.1 of the License. | |
| 9 | # | |
| 10 | # This library is distributed in the hope that it will be useful, but WITHOUT | |
| 11 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 12 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | |
| 13 | # details. | |
| 14 | # | |
| 15 | # You should have received a copy of the GNU Lesser General Public License | |
| 16 | # along with this library; if not, write to the Free Software Foundation, Inc., | |
| 17 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | ||
| 19 | TEST_DESC="Live - Kernel space tracing" | |
| 20 | ||
| 21 | CURDIR=$(dirname $0)/ | |
| 22 | TESTDIR=$CURDIR/../../../ | |
| 23 | SESSIOND_BIN="lttng-sessiond" | |
| 24 | RELAYD_BIN="lttng-relayd" | |
| 25 | LTTNG_BIN="lttng" | |
| 26 | DELAY_USEC=2000000 | |
| 27 | ||
| 28 | SESSION_NAME="live" | |
| 29 | EVENT_NAME="sched_switch" | |
| 30 | ||
| 31 | TRACE_PATH=$(mktemp -d) | |
| 32 | ||
| 33 | DIR=$(readlink -f $TESTDIR) | |
| 34 | ||
| 35 | NUM_TESTS=10 | |
| 36 | ||
| 37 | source $TESTDIR/utils/utils.sh | |
| 38 | ||
| 39 | # MUST set TESTDIR before calling those functions | |
| 40 | plan_tests $NUM_TESTS | |
| 41 | ||
| 42 | print_test_banner "$TEST_DESC" | |
| 43 | ||
| 44 | function setup_live_tracing() | |
| 45 | { | |
| 46 | # Create session with default path | |
| 47 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \ | |
| 48 | -U net://localhost >/dev/null 2>&1 | |
| 49 | ok $? "Create session in live mode with delay $DELAY_USEC" | |
| 50 | ||
| 51 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME | |
| 52 | start_lttng_tracing $SESSION_NAME | |
| 53 | } | |
| 54 | ||
| 55 | function clean_live_tracing() | |
| 56 | { | |
| 57 | stop_lttng_tracing $SESSION_NAME | |
| 58 | destroy_lttng_session $SESSION_NAME | |
| 59 | } | |
| 60 | ||
| 61 | # Need root access for kernel tracing. | |
| 62 | if [ "$(id -u)" == "0" ]; then | |
| 63 | isroot=1 | |
| 64 | else | |
| 65 | isroot=0 | |
| 66 | fi | |
| 67 | ||
| 68 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || | |
| 69 | { | |
| 70 | start_lttng_sessiond | |
| 71 | start_lttng_relayd "-o $TRACE_PATH" | |
| 72 | ||
| 73 | setup_live_tracing | |
| 74 | ||
| 75 | # Just hit some events | |
| 76 | sleep 2 | |
| 77 | ||
| 78 | clean_live_tracing | |
| 79 | ||
| 80 | validate_trace $EVENT_NAME $TRACE_PATH | |
| 81 | rm -rf $TRACE_PATH | |
| 82 | ||
| 83 | stop_lttng_relayd | |
| 84 | stop_lttng_sessiond | |
| 85 | } |