| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com> |
| 4 | # Copyright (C) 2014, 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 5 | # |
| 6 | # SPDX-License-Identifier: GPL-2.0-only |
| 7 | # |
| 8 | |
| 9 | TEST_DESC="Kernel tracer - Rotation destroy flush" |
| 10 | |
| 11 | CURDIR=$(dirname $0)/ |
| 12 | TESTDIR=$CURDIR/../.. |
| 13 | SESSION_NAME="rotation_destroy_flush" |
| 14 | |
| 15 | NR_ITER=10 |
| 16 | NUM_TESTS=$((13*$NR_ITER)) |
| 17 | EVENT_NAME="lttng_test_filter_event" |
| 18 | CHANNEL_NAME="testchan" |
| 19 | PAGE_SIZE=$(getconf PAGE_SIZE) |
| 20 | SIZE_LIMIT=$PAGE_SIZE |
| 21 | |
| 22 | TESTCMD="echo -n 10000 > /proc/lttng-test-filter-event" |
| 23 | |
| 24 | # Ensure the daemons invoke abort on error. |
| 25 | export LTTNG_ABORT_ON_ERROR=1 |
| 26 | |
| 27 | source $TESTDIR/utils/utils.sh |
| 28 | |
| 29 | function signal_cleanup() |
| 30 | { |
| 31 | diag "*** Exiting ***" |
| 32 | modprobe --remove lttng-test |
| 33 | full_cleanup |
| 34 | } |
| 35 | |
| 36 | function enable_kernel_lttng_channel_size_limit () |
| 37 | { |
| 38 | sess_name="$1" |
| 39 | channel_name="$2" |
| 40 | tracefile_size_limit="$3" |
| 41 | |
| 42 | test_name="Enable channel $channel_name " |
| 43 | test_name+="for session $sess_name: " |
| 44 | test_name+="$tracefile_size_limit bytes tracefile limit" |
| 45 | |
| 46 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel \ |
| 47 | -k $channel_name -s $sess_name \ |
| 48 | -C $tracefile_size_limit >/dev/null 2>&1 |
| 49 | |
| 50 | ok $? "$test_name" |
| 51 | } |
| 52 | |
| 53 | function enable_kernel_lttng_event_per_channel () |
| 54 | { |
| 55 | sess_name="$1" |
| 56 | event_name="$2" |
| 57 | channel_name="$3" |
| 58 | |
| 59 | test_name="Enable event $event_name " |
| 60 | test_name+="for session $sess_name " |
| 61 | test_name+="in channel $channel_name" |
| 62 | |
| 63 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" \ |
| 64 | -s $sess_name -k -c $channel_name >/dev/null 2>&1 |
| 65 | |
| 66 | ok $? "$test_name" |
| 67 | } |
| 68 | |
| 69 | function test_rotation_destroy_flush_single() |
| 70 | { |
| 71 | start_lttng_sessiond |
| 72 | modprobe lttng-test |
| 73 | |
| 74 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 75 | enable_kernel_lttng_channel_size_limit \ |
| 76 | $SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT |
| 77 | enable_kernel_lttng_event_per_channel \ |
| 78 | $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 79 | start_lttng_tracing_ok $SESSION_NAME |
| 80 | eval ${TESTCMD} |
| 81 | # stop and destroy |
| 82 | stop_lttng_tracing_ok $SESSION_NAME |
| 83 | destroy_lttng_session_ok $SESSION_NAME |
| 84 | |
| 85 | rm -rf $TRACE_PATH |
| 86 | |
| 87 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 88 | enable_kernel_lttng_channel_size_limit \ |
| 89 | $SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT |
| 90 | enable_kernel_lttng_event_per_channel \ |
| 91 | $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 92 | start_lttng_tracing_ok $SESSION_NAME |
| 93 | eval ${TESTCMD} |
| 94 | # destroy only |
| 95 | destroy_lttng_session_ok $SESSION_NAME |
| 96 | |
| 97 | rm -rf $TRACE_PATH |
| 98 | |
| 99 | modprobe --remove lttng-test |
| 100 | stop_lttng_sessiond |
| 101 | } |
| 102 | |
| 103 | function test_rotation_destroy_flush() |
| 104 | { |
| 105 | for a in $(seq 1 ${NR_ITER}); do |
| 106 | diag "Iteration ${a}/${NR_ITER}" |
| 107 | test_rotation_destroy_flush_single |
| 108 | done |
| 109 | } |
| 110 | |
| 111 | # MUST set TESTDIR before calling those functions |
| 112 | plan_tests $NUM_TESTS |
| 113 | |
| 114 | print_test_banner "$TEST_DESC" |
| 115 | |
| 116 | TESTS=( |
| 117 | "test_rotation_destroy_flush" |
| 118 | ) |
| 119 | |
| 120 | TEST_COUNT=${#TESTS[@]} |
| 121 | i=0 |
| 122 | |
| 123 | check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." || |
| 124 | { |
| 125 | validate_lttng_modules_present |
| 126 | trap signal_cleanup SIGTERM SIGINT |
| 127 | |
| 128 | while [ "$i" -lt "$TEST_COUNT" ]; do |
| 129 | |
| 130 | TRACE_PATH=$(mktemp -d -t tmp.test_kernel_rotation_destroy_flush.XXXXXX) |
| 131 | |
| 132 | # Execute test |
| 133 | ${TESTS[$i]} |
| 134 | |
| 135 | let "i++" |
| 136 | done |
| 137 | } |