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 $TESTDIR/utils/utils.sh
  28
  29 print_test_banner "$TEST_DESC"
  30
  31 if [ ! -x "$CURDIR/$BIN_NAME" ]; then
  32         BAIL_OUT "No UST nevents binary detected."
  33 fi
  34
  35 TRACE_PATH=$(mktemp -d)
  36
  37 # MUST set TESTDIR before calling those functions
  38
  39 plan_tests $NUM_TESTS
  40
  41 start_lttng_sessiond
  42
  43 create_lttng_session $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/$BIN_NAME & >/dev/null 2>&1
  50 done
  51
  52 while [ -n "$(pidof $BIN_NAME)" ]; do
  53         sleep 0.5
  54 done
  55 pass "Wait for application end"
  56
  57 stop_lttng_tracing $SESSION_NAME
  58 destroy_lttng_session $SESSION_NAME
  59
  60 stop_lttng_sessiond
  61
  62 # Validate test
  63
  64 TEMP_FILE=$(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_APP*1000000
  80
  81 if [ $wanted -ne $total ]; then
  82         fail "Trace validation"
  83         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  84 else
  85         pass "Trace validation"
  86         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  87 fi
  88
  89 rm -rf $TRACE_PATH
  90 rm $TEMP_FILE $TEMP_FILE_2