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 BIN_NAME="gen-nevents"
  23 PID_RELAYD=0
  24 SESSION_NAME=""
  25 CHANNEL_NAME="snapchan"
  26 TESTAPP_PATH="$TESTDIR/utils/testapp"
  27 TESTAPP_NAME="gen-ust-events"
  28 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  29 NR_ITER=2000000
  30 NR_USEC_WAIT=100
  31
  32 TRACE_PATH=$(mktemp -d)
  33
  34 NUM_TESTS=2029
  35
  36 source $TESTDIR/utils/utils.sh
  37
  38 if [ ! -x "$TESTAPP_BIN" ]; then
  39         BAIL_OUT "No UST events binary detected."
  40 fi
  41
  42 function test_ust_local_snapshot ()
  43 {
  44         diag "Test local UST snapshots"
  45         create_lttng_session_no_output $SESSION_NAME
  46         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
  47         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
  48         start_lttng_tracing $SESSION_NAME
  49         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
  50         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
  51         ok $? "Start application to trace"
  52         lttng_snapshot_record $SESSION_NAME
  53         stop_lttng_tracing $SESSION_NAME
  54         destroy_lttng_session $SESSION_NAME
  55
  56         # Validate test
  57         validate_trace $EVENT_NAME $TRACE_PATH/
  58         if [ $? -eq 0 ]; then
  59                 # Only delete if successful
  60                 rm -rf $TRACE_PATH
  61         else
  62                 break
  63         fi
  64         diag "Killing $TESTAPP_NAME"
  65         PID_APP=`pidof $TESTAPP_NAME`
  66         kill $PID_APP >/dev/null 2>&1
  67 }
  68
  69 function enable_channel_per_uid_mmap_overwrite()
  70 {
  71         sess_name=$1
  72         channel_name=$2
  73
  74         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1
  75         ok $? "Enable channel $channel_name per UID for session $sess_name"
  76 }
  77
  78 function test_ust_per_uid_local_snapshot ()
  79 {
  80         diag "Test local UST snapshots"
  81         create_lttng_session_no_output $SESSION_NAME
  82         enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
  83         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
  84         start_lttng_tracing $SESSION_NAME
  85         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
  86         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
  87         ok $? "Start application to trace"
  88         lttng_snapshot_record $SESSION_NAME
  89         stop_lttng_tracing $SESSION_NAME
  90         destroy_lttng_session $SESSION_NAME
  91
  92         # Validate test
  93         validate_trace $EVENT_NAME $TRACE_PATH/
  94         if [ $? -eq 0 ]; then
  95                 # Only delete if successful
  96                 rm -rf $TRACE_PATH
  97         else
  98                 break
  99         fi
 100         diag "Killing $TESTAPP_NAME"
 101         PID_APP=`pidof $TESTAPP_NAME`
 102         kill $PID_APP >/dev/null 2>&1
 103 }
 104
 105 function test_ust_1000_local_snapshots ()
 106 {
 107         NB_SNAP=1000
 108
 109         diag "Test $NB_SNAP local UST snapshots"
 110         create_lttng_session_no_output $SESSION_NAME
 111         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
 112         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 113         start_lttng_tracing $SESSION_NAME
 114         lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
 115         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
 116         for i in $(seq 1 $NB_SNAP); do
 117                 diag "Snapshot $i/$NB_SNAP"
 118                 rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
 119                 lttng_snapshot_record $SESSION_NAME
 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         done
 129         stop_lttng_tracing $SESSION_NAME
 130         destroy_lttng_session $SESSION_NAME
 131         diag "Killing $TESTAPP_NAME"
 132         PID_APP=`pidof $TESTAPP_NAME`
 133 #       kill $PID_APP >/dev/null 2>&1
 134 }
 135
 136 plan_tests $NUM_TESTS
 137
 138 print_test_banner "$TEST_DESC"
 139
 140 if [ "$(id -u)" == "0" ]; then
 141         isroot=1
 142 else
 143         isroot=0
 144 fi
 145
 146 start_lttng_sessiond
 147
 148 tests=( test_ust_local_snapshot test_ust_per_uid_local_snapshot test_ust_1000_local_snapshots )
 149
 150 for fct_test in ${tests[@]};
 151 do
 152         SESSION_NAME=$(randstring 16 0)
 153         ${fct_test}
 154
 155 done
 156
 157 stop_lttng_sessiond