tests/ust/high-throughput/run

   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
  18 CURDIR=$(dirname $0)/
  19 TESTDIR=$CURDIR/../..
  20 NR_ITER=20
  21 BIN_NAME="gen-events"
  22 SESSION_NAME="high-throughput"
  23 EVENT_NAME="tp:tptest"
  24
  25 source $TESTDIR/utils.sh
  26
  27 echo -e "\n-------------------------------------------"
  28 echo -e "UST tracer - Testing high events throughput"
  29 echo -e "-------------------------------------------"
  30
  31 if [ ! -e "$CURDIR/$BIN_NAME" ]; then
  32         echo -e "No UST nevents binary detected. Passing."
  33         exit 0
  34 fi
  35
  36 TRACE_PATH=$(mktemp -d)
  37
  38 # MUST set TESTDIR before calling those functions
  39
  40 start_sessiond
  41
  42 create_lttng_session $SESSION_NAME $TRACE_PATH
  43
  44 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  45 start_tracing $SESSION_NAME
  46
  47 for i in `seq 1 $NR_ITER`; do
  48         ./$CURDIR/$BIN_NAME & >/dev/null 2>&1
  49 done
  50
  51 echo "Waiting for all tracing to settle"
  52 sleep 5
  53
  54 stop_tracing $SESSION_NAME
  55 destroy_lttng_session $SESSION_NAME
  56
  57 stop_sessiond
  58
  59 # Validate test
  60
  61 TEMP_FILE=$(mktemp)
  62 TEMP_FILE_2=$(mktemp)
  63
  64 traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l)
  65 babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
  66
  67 cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
  68
  69 dropped=0
  70 while read line;
  71 do
  72         let dropped=$dropped+$line
  73 done < $TEMP_FILE
  74
  75 let total=$dropped+$traced
  76 let wanted=$NR_ITER*1000000
  77
  78 if [ $wanted -ne $total ]; then
  79         echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... "
  80         echo -e "\e[1;31mFAILED\e[0m"
  81         out=1
  82 else
  83         echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... "
  84         echo -e "\e[1;32mOK\e[0m"
  85         out=0
  86 fi
  87
  88 rm -rf $TRACE_PATH
  89 rm $TEMP_FILE $TEMP_FILE_2
  90
  91 exit $out