tests/regression/tools/snapshots/test_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2013 Julien Desfossez <jdesfossez@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 TEST_DESC="Snapshots - UST tracing"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 EVENT_NAME="tp:tptest"
  22 PID_RELAYD=0
  23 SESSION_NAME=""
  24 CHANNEL_NAME="snapchan"
  25 TESTAPP_PATH="$TESTDIR/utils/testapp"
  26 TESTAPP_NAME="gen-ust-events"
  27 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  28 NR_ITER=2000000
  29 NR_USEC_WAIT=100
  30
  31 TRACE_PATH=$(mktemp -d)
  32
  33 NUM_TESTS=2053
  34
  35 source $TESTDIR/utils/utils.sh
  36
  37 if [ ! -x "$TESTAPP_BIN" ]; then
  38         BAIL_OUT "No UST events binary detected."
  39 fi
  40
  41 function test_ust_local_snapshot ()
  42 {
  43         diag "Test local UST snapshots"
  44         create_lttng_session_no_output $SESSION_NAME
  45         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
  46         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
  47         start_lttng_tracing $SESSION_NAME
  48         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
  49         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
  50         ok $? "Start application to trace"
  51         lttng_snapshot_record $SESSION_NAME
  52         stop_lttng_tracing $SESSION_NAME
  53         destroy_lttng_session $SESSION_NAME
  54
  55         # Validate test
  56         validate_trace $EVENT_NAME $TRACE_PATH/
  57         if [ $? -eq 0 ]; then
  58                 # Only delete if successful
  59                 rm -rf $TRACE_PATH
  60         else
  61                 break
  62         fi
  63         diag "Killing $TESTAPP_NAME"
  64         PID_APP=`pidof $TESTAPP_NAME`
  65         kill $PID_APP >/dev/null 2>&1
  66 }
  67
  68 function test_ust_local_snapshot_large_metadata ()
  69 {
  70         LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
  71         LM_PATH="$TESTDIR/utils/testapp"
  72         LM_NAME="gen-ust-nevents"
  73         LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"
  74
  75         diag "Test local UST snapshots with > 4kB metadata"
  76         create_lttng_session_no_output $SESSION_NAME
  77         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
  78         enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
  79         start_lttng_tracing $SESSION_NAME
  80         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
  81         $LM_BIN 1 1
  82         ok $? "Start application to trace"
  83         lttng_snapshot_record $SESSION_NAME
  84         stop_lttng_tracing $SESSION_NAME
  85         destroy_lttng_session $SESSION_NAME
  86
  87         # Validate test
  88         validate_trace $LM_EVENT $TRACE_PATH/
  89         if [ $? -eq 0 ]; then
  90                 # Only delete if successful
  91                 rm -rf $TRACE_PATH
  92         else
  93                 break
  94         fi
  95 }
  96
  97 function enable_channel_per_uid_mmap_overwrite()
  98 {
  99         sess_name=$1
 100         channel_name=$2
 101
 102         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1
 103         ok $? "Enable channel $channel_name per UID for session $sess_name"
 104 }
 105
 106 function test_ust_per_uid_local_snapshot ()
 107 {
 108         diag "Test local UST snapshots"
 109         create_lttng_session_no_output $SESSION_NAME
 110         enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
 111         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 112         start_lttng_tracing $SESSION_NAME
 113         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
 114         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
 115         ok $? "Start application to trace"
 116         lttng_snapshot_record $SESSION_NAME
 117         stop_lttng_tracing $SESSION_NAME
 118         destroy_lttng_session $SESSION_NAME
 119
 120         # Validate test
 121         validate_trace $EVENT_NAME $TRACE_PATH/
 122         if [ $? -eq 0 ]; then
 123                 # Only delete if successful
 124                 rm -rf $TRACE_PATH
 125         else
 126                 break
 127         fi
 128         diag "Killing $TESTAPP_NAME"
 129         PID_APP=`pidof $TESTAPP_NAME`
 130         kill $PID_APP >/dev/null 2>&1
 131 }
 132
 133 function test_ust_per_uid_local_snapshot_post_mortem ()
 134 {
 135         diag "Test local UST snapshots post-mortem"
 136         create_lttng_session_no_output $SESSION_NAME
 137         enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
 138         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 139         start_lttng_tracing $SESSION_NAME
 140         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
 141         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
 142         ok $? "Start application to trace"
 143         diag "Killing $TESTAPP_NAME"
 144         PID_APP=`pidof $TESTAPP_NAME`
 145         kill $PID_APP >/dev/null 2>&1
 146         lttng_snapshot_record $SESSION_NAME
 147         stop_lttng_tracing $SESSION_NAME
 148         destroy_lttng_session $SESSION_NAME
 149
 150         # Validate test
 151         validate_trace $EVENT_NAME $TRACE_PATH/
 152         if [ $? -eq 0 ]; then
 153                 # Only delete if successful
 154                 rm -rf $TRACE_PATH
 155         else
 156                 break
 157         fi
 158 }
 159
 160 function test_ust_1000_local_snapshots ()
 161 {
 162         NB_SNAP=1000
 163
 164         diag "Test $NB_SNAP local UST snapshots"
 165         create_lttng_session_no_output $SESSION_NAME
 166         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
 167         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 168         start_lttng_tracing $SESSION_NAME
 169         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
 170         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
 171         for i in $(seq 1 $NB_SNAP); do
 172                 diag "Snapshot $i/$NB_SNAP"
 173                 rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
 174                 lttng_snapshot_record $SESSION_NAME
 175                 # Validate test
 176                 validate_trace $EVENT_NAME $TRACE_PATH/
 177                 if [ $? -eq 0 ]; then
 178                         # Only delete if successful
 179                         rm -rf $TRACE_PATH
 180                 else
 181                         break
 182                 fi
 183         done
 184         stop_lttng_tracing $SESSION_NAME
 185         destroy_lttng_session $SESSION_NAME
 186         diag "Killing $TESTAPP_NAME"
 187         PID_APP=`pidof $TESTAPP_NAME`
 188 #       kill $PID_APP >/dev/null 2>&1
 189 }
 190
 191 plan_tests $NUM_TESTS
 192
 193 print_test_banner "$TEST_DESC"
 194
 195 if [ "$(id -u)" == "0" ]; then
 196         isroot=1
 197 else
 198         isroot=0
 199 fi
 200
 201 start_lttng_sessiond
 202
 203 tests=( test_ust_local_snapshot \
 204         test_ust_per_uid_local_snapshot \
 205         test_ust_per_uid_local_snapshot_post_mortem \
 206         test_ust_local_snapshot_large_metadata \
 207         test_ust_1000_local_snapshots )
 208
 209 for fct_test in ${tests[@]};
 210 do
 211         SESSION_NAME=$(randstring 16 0)
 212         ${fct_test}
 213
 214 done
 215
 216 stop_lttng_sessiond