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 TEST_DESC="UST tracer - Testing high events throughput"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../..
  21 NR_ITER=20
  22 BIN_NAME="gen-events"
  23 SESSION_NAME="high-throughput"
  24 EVENT_NAME="tp:tptest"
  25
  26 source $TESTDIR/utils.sh
  27
  28 print_test_banner "$TEST_DESC"
  29
  30 if [ ! -x "$CURDIR/$BIN_NAME" ]; then
  31         echo -e "No UST nevents binary detected. Passing."
  32         exit 0
  33 fi
  34
  35 TRACE_PATH=$(mktemp -d)
  36
  37 # MUST set TESTDIR before calling those functions
  38
  39 start_sessiond
  40
  41 create_lttng_session $SESSION_NAME $TRACE_PATH
  42
  43 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  44 start_tracing $SESSION_NAME
  45
  46 for i in `seq 1 $NR_ITER`; do
  47         ./$CURDIR/$BIN_NAME & >/dev/null 2>&1
  48 done
  49
  50 echo "Waiting for applications to end"
  51 while [ -n "$(pidof $BIN_NAME)" ]; do
  52         echo -n "."
  53         sleep 0.5
  54 done
  55 echo ""
  56
  57 stop_tracing $SESSION_NAME
  58 destroy_lttng_session $SESSION_NAME
  59
  60 stop_sessiond
  61
  62 # Validate test
  63
  64 TEMP_FILE=$(mktemp)
  65 TEMP_FILE_2=$(mktemp)
  66
  67 traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l)
  68 babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
  69
  70 cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
  71
  72 dropped=0
  73 while read line;
  74 do
  75         let dropped=$dropped+$line
  76 done < $TEMP_FILE
  77
  78 let total=$dropped+$traced
  79 let wanted=$NR_ITER*1000000
  80
  81 if [ $wanted -ne $total ]; then
  82         echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... "
  83         print_fail
  84         out=1
  85 else
  86         echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... "
  87         print_ok
  88         out=0
  89 fi
  90
  91 rm -rf $TRACE_PATH
  92 rm $TEMP_FILE $TEMP_FILE_2
  93
  94 exit $out