| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2012 David Goulet <dgoulet@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="Streaming - Kernel tracing" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | EVENT_NAME="sched_switch" |
| 12 | SESSION_NAME="" |
| 13 | |
| 14 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_streaming_kernel_trace_path.XXXXXX) |
| 15 | |
| 16 | NUM_TESTS=11 |
| 17 | |
| 18 | source $TESTDIR/utils/utils.sh |
| 19 | |
| 20 | function test_kernel_before_start () |
| 21 | { |
| 22 | diag "Test kernel streaming with event enable BEFORE start" |
| 23 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 24 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 25 | start_lttng_tracing_ok $SESSION_NAME |
| 26 | # Give a second |
| 27 | sleep 1 |
| 28 | stop_lttng_tracing_ok $SESSION_NAME |
| 29 | destroy_lttng_session_ok $SESSION_NAME |
| 30 | } |
| 31 | |
| 32 | # Deactivated since this feature is not yet available where we can enable |
| 33 | # an event AFTERE tracing has started. |
| 34 | function test_kernel_after_start () |
| 35 | { |
| 36 | diag "Test kernel streaming with event enable AFTER start" |
| 37 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 38 | start_lttng_tracing_ok $SESSION_NAME |
| 39 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 40 | # Give a second |
| 41 | sleep 1 |
| 42 | stop_lttng_tracing_ok $SESSION_NAME |
| 43 | destroy_lttng_session_ok $SESSION_NAME |
| 44 | } |
| 45 | |
| 46 | plan_tests $NUM_TESTS |
| 47 | |
| 48 | print_test_banner "$TEST_DESC" |
| 49 | |
| 50 | if [ "$(id -u)" == "0" ]; then |
| 51 | isroot=1 |
| 52 | else |
| 53 | isroot=0 |
| 54 | fi |
| 55 | |
| 56 | skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS || |
| 57 | { |
| 58 | validate_lttng_modules_present |
| 59 | |
| 60 | start_lttng_relayd "-o $TRACE_PATH" |
| 61 | start_lttng_sessiond |
| 62 | |
| 63 | tests=( test_kernel_before_start ) |
| 64 | |
| 65 | for fct_test in ${tests[@]}; |
| 66 | do |
| 67 | SESSION_NAME=$(randstring 16 0) |
| 68 | ${fct_test} |
| 69 | |
| 70 | # Validate test |
| 71 | validate_trace_path_kernel_network "$TRACE_PATH" "$SESSION_NAME" |
| 72 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME* |
| 73 | if [ $? -eq 0 ]; then |
| 74 | # Only delete if successful |
| 75 | rm -rf $TRACE_PATH |
| 76 | else |
| 77 | break |
| 78 | fi |
| 79 | done |
| 80 | |
| 81 | stop_lttng_sessiond |
| 82 | stop_lttng_relayd |
| 83 | } |