projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| c87d483b CB |
1 | #!/bin/bash |
| 2 | # | |
| 9d16b343 | 3 | # Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com> |
| c87d483b | 4 | # |
| 9d16b343 | 5 | # SPDX-License-Identifier: GPL-2.0-only |
| c87d483b | 6 | # |
| c87d483b CB |
7 | |
| 8 | TEST_DESC="Kernel tracer - Basic event" | |
| 9 | ||
| 10 | CURDIR=$(dirname $0)/ | |
| 11 | TESTDIR=$CURDIR/../.. | |
| 85ed2b26 | 12 | NUM_TESTS=20 |
| c87d483b | 13 | |
| e9826a9d FD |
14 | TESTCMD="/bin/true" |
| 15 | ||
| c87d483b CB |
16 | source $TESTDIR/utils/utils.sh |
| 17 | ||
| c87d483b CB |
18 | function test_event_basic() |
| 19 | { | |
| 20 | TRACE_PATH=$(mktemp -d) | |
| 21 | SESSION_NAME="kernel_event_basic" | |
| 22 | ||
| bf6ae429 | 23 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| c87d483b CB |
24 | |
| 25 | lttng_enable_kernel_event $SESSION_NAME "sched_switch" | |
| 26 | lttng_enable_kernel_event $SESSION_NAME "sched_process_exit" | |
| e9826a9d | 27 | lttng_enable_kernel_event $SESSION_NAME "sched_process_fork" |
| c87d483b | 28 | |
| e563bbdb | 29 | start_lttng_tracing_ok |
| e9826a9d FD |
30 | |
| 31 | # Running a process and waiting for its completion forces the triggering of | |
| 32 | # fork, sched_switch and exit events | |
| 33 | eval ${TESTCMD} | |
| 96340a01 | 34 | stop_lttng_tracing_ok |
| c87d483b CB |
35 | |
| 36 | validate_trace "sched_switch" $TRACE_PATH | |
| 37 | validate_trace "sched_process_exit" $TRACE_PATH | |
| e9826a9d | 38 | validate_trace "sched_process_fork" $TRACE_PATH |
| c87d483b | 39 | |
| 67b4c664 | 40 | destroy_lttng_session_ok $SESSION_NAME |
| c87d483b CB |
41 | |
| 42 | rm -rf $TRACE_PATH | |
| 43 | } | |
| 44 | ||
| 85ed2b26 JD |
45 | function test_enable_after_start() |
| 46 | { | |
| 47 | TRACE_PATH=$(mktemp -d) | |
| 48 | SESSION_NAME="kernel_enable_after_start" | |
| 49 | ||
| bf6ae429 | 50 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 85ed2b26 JD |
51 | |
| 52 | lttng_enable_kernel_event $SESSION_NAME "sched_switch" | |
| 53 | ||
| e563bbdb | 54 | start_lttng_tracing_ok |
| 85ed2b26 | 55 | lttng_enable_kernel_event $SESSION_NAME "sched_process_exit" |
| e9826a9d FD |
56 | |
| 57 | # Running a process and waiting for its completion forces the triggering of | |
| 58 | # sched_switch and exit events | |
| 59 | eval ${TESTCMD} | |
| 96340a01 | 60 | stop_lttng_tracing_ok |
| 85ed2b26 JD |
61 | |
| 62 | validate_trace "sched_switch" $TRACE_PATH | |
| 63 | validate_trace "sched_process_exit" $TRACE_PATH | |
| 64 | ||
| 67b4c664 | 65 | destroy_lttng_session_ok $SESSION_NAME |
| 85ed2b26 JD |
66 | |
| 67 | rm -rf $TRACE_PATH | |
| 68 | } | |
| 69 | ||
| c87d483b CB |
70 | # MUST set TESTDIR before calling those functions |
| 71 | plan_tests $NUM_TESTS | |
| 72 | ||
| e3bef725 CB |
73 | print_test_banner "$TEST_DESC" |
| 74 | ||
| c87d483b CB |
75 | if [ "$(id -u)" == "0" ]; then |
| 76 | isroot=1 | |
| 77 | else | |
| 78 | isroot=0 | |
| 79 | fi | |
| 80 | ||
| 81 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || | |
| 82 | { | |
| 83 | start_lttng_sessiond | |
| 84 | ||
| 85 | test_event_basic | |
| 85ed2b26 | 86 | test_enable_after_start |
| c87d483b CB |
87 | |
| 88 | stop_lttng_sessiond | |
| 89 | } |