tests/regression/ust/high-throughput/test_high_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 high events throughput"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 NR_APP=20
  22 BIN_NAME="gen-events"
  23 SESSION_NAME="high-throughput"
  24 EVENT_NAME="tp:tptest"
  25 NUM_TESTS=9
  26
  27 source $TESTDIR/utils/utils.sh
  28
  29 if [ ! -x "$CURDIR/$BIN_NAME" ]; then
  30         BAIL_OUT "No UST nevents binary detected."
  31 fi
  32
  33 TRACE_PATH=$(mktemp -d)
  34
  35 # MUST set TESTDIR before calling those functions
  36
  37 plan_tests $NUM_TESTS
  38
  39 print_test_banner "$TEST_DESC"
  40
  41 start_lttng_sessiond
  42
  43 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  44
  45 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  46 start_lttng_tracing $SESSION_NAME
  47
  48 for i in `seq 1 $NR_APP`; do
  49         ./$CURDIR/$BIN_NAME >/dev/null 2>&1 &
  50 done
  51
  52 diag "Waiting for applications to end"
  53 wait
  54 pass "Wait for applications to end"
  55
  56 stop_lttng_tracing $SESSION_NAME
  57 destroy_lttng_session $SESSION_NAME
  58
  59 stop_lttng_sessiond
  60
  61 # Validate test
  62
  63 TEMP_FILE=$(mktemp)
  64 TEMP_FILE_2=$(mktemp)
  65
  66 traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l)
  67 babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
  68
  69 cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
  70
  71 dropped=0
  72 while read line;
  73 do
  74         let dropped=$dropped+$line
  75 done < $TEMP_FILE
  76
  77 let total=$dropped+$traced
  78 let wanted=$NR_APP*1000000
  79
  80 if [ $wanted -ne $total ]; then
  81         fail "Trace validation"
  82         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  83 else
  84         pass "Trace validation"
  85         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  86 fi
  87
  88 rm -rf $TRACE_PATH
  89 rm $TEMP_FILE $TEMP_FILE_2