tests/regression/tools/clear/test_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
   4 #
   5 # This library is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU Lesser General Public License as published by the Free
   7 # Software Foundation; version 2.1 of the License.
   8 #
   9 # This library is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11 # FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  12 # details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public License
  15 # along with this library; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  17
  18 TEST_DESC="Clear - UST tracing"
  19
  20 CURDIR=$(dirname $0)/
  21 TESTDIR=$CURDIR/../../..
  22 EVENT_NAME="tp:tptest"
  23 SESSION_NAME=""
  24 TESTAPP_PATH="$TESTDIR/utils/testapp"
  25 TESTAPP_NAME="gen-ust-events"
  26 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  27
  28 NUM_TESTS=74
  29
  30 TRACE_PATH=$(mktemp -d)
  31
  32 source $TESTDIR/utils/utils.sh
  33
  34 if [ ! -x "$TESTAPP_BIN" ]; then
  35         BAIL_OUT "No UST events binary detected."
  36 fi
  37
  38 function clean_path ()
  39 {
  40         local trace_path=$1
  41         set -u
  42         rm -rf $trace_path/*
  43         set +u
  44 }
  45
  46 function test_ust_streaming ()
  47 {
  48         diag "Test ust streaming clear"
  49         create_lttng_session_uri $SESSION_NAME net://localhost
  50         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  51         start_lttng_tracing_ok $SESSION_NAME
  52         # TODO: place holder, support for streaming MUST be implemented
  53         # This validate that for now we fail correctly
  54         lttng_clear_session_fail $SESSION_NAME
  55
  56         destroy_lttng_session_ok $SESSION_NAME
  57 }
  58
  59 function test_ust_streaming_live ()
  60 {
  61         diag "Test ust streaming live clear"
  62         create_lttng_session_uri $SESSION_NAME net://localhost "--live"
  63         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  64         start_lttng_tracing_ok $SESSION_NAME
  65         # TODO: place holder, support for streaming MUST be implemented
  66         # This validate that for now we fail correctly
  67         lttng_clear_session_fail $SESSION_NAME
  68
  69         destroy_lttng_session_ok $SESSION_NAME
  70 }
  71
  72 function test_ust_local ()
  73 {
  74         diag "Test ust local"
  75         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  76         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  77         start_lttng_tracing_ok $SESSION_NAME
  78         # TODO: place holder, support for local MUST be implemented
  79         lttng_clear_session_fail $SESSION_NAME
  80         # TODO: validate that the previous chunk IS no more present
  81
  82         destroy_lttng_session_ok $SESSION_NAME
  83 }
  84
  85 function do_ust_snapshot ()
  86 {
  87         local session_name=$1
  88         local trace_path=$2
  89
  90         enable_ust_lttng_event_ok $session_name $EVENT_NAME
  91         start_lttng_tracing_ok $session_name
  92
  93         # Generate 10 events that will sit in the buffers.
  94         $TESTAPP_BIN -i 10
  95
  96         # Take a first snapshot and validate that the events are present.
  97         lttng_snapshot_record $session_name
  98         stop_lttng_tracing_ok $session_name
  99         validate_trace_count $EVENT_NAME $trace_path 10
 100
 101         # Clean the output path
 102         clean_path $trace_path
 103         start_lttng_tracing_ok $session_name
 104
 105         lttng_clear_session_ok $session_name
 106
 107         # Make sure the subsequent snapshot is empty and valid.
 108         lttng_snapshot_record $session_name
 109         stop_lttng_tracing_ok $session_name
 110         validate_trace_empty $trace_path
 111
 112         # Clean the output path
 113         clean_path $trace_path
 114         start_lttng_tracing_ok $session_name
 115
 116         # Make sure that everything still works, generate events and take a
 117         # snapshot.
 118         $TESTAPP_BIN -i 10
 119         lttng_snapshot_record $session_name
 120         stop_lttng_tracing_ok $session_name
 121         validate_trace_count $EVENT_NAME $trace_path 10
 122 }
 123
 124 function test_ust_streaming_snapshot ()
 125 {
 126         diag "Test ust streaming snapshot clear"
 127
 128         create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
 129         do_ust_snapshot $SESSION_NAME $TRACE_PATH
 130         destroy_lttng_session_ok $SESSION_NAME
 131 }
 132
 133 function test_ust_local_snapshot ()
 134 {
 135         diag "Test ust local snapshot clear"
 136
 137         create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
 138         do_ust_snapshot $SESSION_NAME $TRACE_PATH
 139         destroy_lttng_session_ok $SESSION_NAME
 140 }
 141
 142 function test_ust_local_snapshot_per_pid ()
 143 {
 144         diag "Test ust local snapshot clear per pid "
 145         local channel_name="channel0"
 146         local file_sync_before_last=$(mktemp -u)
 147         local file_sync_before_last_touch=$(mktemp -u)
 148         local file_sync_before_exit=$(mktemp -u)
 149         local file_sync_before_exit_touch=$(mktemp -u)
 150
 151         create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
 152         enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-pid
 153         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
 154         start_lttng_tracing_ok $SESSION_NAME
 155
 156         # Generate 10 events that will sit in the buffers.
 157         $TESTAPP_BIN -i 10 -w 0 \
 158                 --sync-before-last-event ${file_sync_before_last} \
 159                 --sync-before-last-event-touch ${file_sync_before_last_touch} \
 160                 --sync-before-exit ${file_sync_before_exit} \
 161                 --sync-before-exit-touch ${file_sync_before_exit_touch} >/dev/null 2>&1 &
 162
 163         # Continue only when there is only the last event remaining.
 164         while [ ! -f "${file_sync_before_last_touch}" ]; do
 165                 sleep 0.5
 166         done
 167
 168         # Take a first snapshot and validate that the events are present.
 169         lttng_snapshot_record $SESSION_NAME
 170         stop_lttng_tracing_ok $SESSION_NAME
 171         validate_trace_count $EVENT_NAME $TRACE_PATH 9
 172
 173         # Clean the output path
 174         clean_path $TRACE_PATH
 175         start_lttng_tracing_ok $SESSION_NAME
 176
 177         lttng_clear_session_ok $SESSION_NAME
 178
 179         # Make sure the subsequent snapshot is empty and valid.
 180         lttng_snapshot_record $SESSION_NAME
 181         stop_lttng_tracing_ok $SESSION_NAME
 182         validate_trace_empty $TRACE_PATH
 183
 184         # Validate that tracing still works and subsequent snapshots are valid.
 185         # Clean the output path.
 186         clean_path $TRACE_PATH
 187         start_lttng_tracing_ok $SESSION_NAME
 188
 189         # Continue over the last event.
 190         touch ${file_sync_before_last}
 191
 192         # Wait for the before exit sync point. This ensure that we went over the
 193         # last tracepoint.
 194         while [ ! -f "${file_sync_before_exit_touch}" ]; do
 195                 sleep 0.5
 196         done
 197
 198         # Make sure the snapshot contains the last event.
 199         lttng_snapshot_record $SESSION_NAME
 200         stop_lttng_tracing_ok $SESSION_NAME
 201         validate_trace_count $EVENT_NAME $TRACE_PATH 1
 202
 203         # Release the application.
 204         touch ${file_sync_before_exit}
 205         wait
 206         destroy_lttng_session_ok $SESSION_NAME
 207
 208         rm -f ${file_sync_before_last}
 209         rm -f ${file_sync_before_last_touch}
 210         rm -f ${file_sync_before_exit}
 211         rm -f ${file_sync_before_exit_touch}
 212 }
 213
 214 plan_tests $NUM_TESTS
 215
 216 print_test_banner "$TEST_DESC"
 217
 218
 219 tests=(
 220         test_ust_streaming
 221         test_ust_streaming_live
 222         test_ust_local
 223         test_ust_streaming_snapshot
 224         test_ust_local_snapshot
 225         test_ust_local_snapshot_per_pid
 226 )
 227
 228 start_lttng_relayd "-o $TRACE_PATH"
 229 start_lttng_sessiond
 230
 231 for fct_test in ${tests[@]};
 232 do
 233         SESSION_NAME=$(randstring 16 0)
 234         ${fct_test}
 235         clean_path $TRACE_PATH
 236 done
 237
 238 stop_lttng_sessiond
 239 stop_lttng_relayd