tests/regression/ust/low-throughput/test_low_throughput

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2012 David Goulet <dgoulet@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="UST tracer - Testing low events throughput"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 BIN_NAME="gen-events"
  22 SESSION_NAME="low-throughput"
  23 EVENT_NAME="tp:slow"
  24
  25 source $TESTDIR/utils/utils.sh
  26
  27 print_test_banner "$TEST_DESC"
  28
  29 if [ ! -x "$CURDIR/$BIN_NAME" ]; then
  30         echo -e "No UST nevents binary detected. Passing."
  31         exit 0
  32 fi
  33
  34 TRACE_PATH=$(mktemp -d)
  35
  36 # MUST set TESTDIR before calling those functions
  37
  38 start_lttng_sessiond
  39
  40 create_lttng_session $SESSION_NAME $TRACE_PATH
  41
  42 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  43 start_lttng_tracing $SESSION_NAME
  44
  45 # This is going to take 20 minutes
  46 ./$CURDIR/$BIN_NAME >/dev/null 2>&1
  47
  48 stop_lttng_tracing $SESSION_NAME
  49 destroy_lttng_session $SESSION_NAME
  50
  51 stop_lttng_sessiond
  52
  53 # Validate test
  54
  55 last_val=0
  56 out=0
  57
  58 babeltrace $TRACE_PATH | while read event;
  59 do
  60         val=$(echo $event | cut -f10 -d" ")
  61         val=${val%?}
  62         th=$(echo $event | cut -f13 -d " ")
  63
  64         if [ $th = '"one"' ]; then
  65                 ((last_val++))
  66                 # We expect here a continous value from 1 to 20
  67                 if [ $last_val -ne $val ]; then
  68                         echo -n "[-] One minute event failed ($val) "
  69                         out=1
  70                         break
  71                 fi
  72         elif [ $th = '"ten"' ]; then
  73                 # Test 10 minutes counter
  74                 if [ $val -ne 10 ]; then
  75                         # Test 20 minutes counter
  76                         if [ $val -ne 20 ]; then
  77                                 echo -n "[-] Ten minutes event failed ($val) "
  78                                 out=1
  79                                 break
  80                         fi
  81                 fi
  82         elif [ $th = '"twenty"' ]; then
  83                 # Test 20 minutes counter
  84                 if [ $val -ne 20 ]; then
  85                         echo -n "[-] Twenty minutes event failed ($val) "
  86                         out=1
  87                         break
  88                 fi
  89         fi
  90 done
  91
  92 if [ $out -eq 0 ]; then
  93         echo -n "Trace is coherent... "
  94         print_ok
  95 else
  96         print_fail
  97 fi
  98
  99 rm -rf $TRACE_PATH
 100
 101 exit $out