tests/regression/ust/high-throughput/test_high_throughput

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="UST tracer - Testing high events throughput"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 NR_APP=20
  12 BIN_NAME="gen-events"
  13 SESSION_NAME="high-throughput"
  14 EVENT_NAME="tp:tptest"
  15 NUM_TESTS=9
  16
  17 source $TESTDIR/utils/utils.sh
  18
  19 if [ ! -x "$CURDIR/$BIN_NAME" ]; then
  20         BAIL_OUT "No UST nevents binary detected."
  21 fi
  22
  23 TRACE_PATH=$(mktemp -d)
  24
  25 # MUST set TESTDIR before calling those functions
  26
  27 plan_tests $NUM_TESTS
  28
  29 print_test_banner "$TEST_DESC"
  30
  31 start_lttng_sessiond
  32
  33 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  34
  35 enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  36 start_lttng_tracing_ok $SESSION_NAME
  37
  38 for i in `seq 1 $NR_APP`; do
  39         ./$CURDIR/$BIN_NAME >/dev/null 2>&1 &
  40 done
  41
  42 diag "Waiting for applications to end"
  43 wait
  44 pass "Wait for applications to end"
  45
  46 stop_lttng_tracing_ok $SESSION_NAME
  47 destroy_lttng_session_ok $SESSION_NAME
  48
  49 stop_lttng_sessiond
  50
  51 # Validate test
  52
  53 TEMP_FILE=$(mktemp)
  54 TEMP_FILE_2=$(mktemp)
  55
  56 traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l)
  57 babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
  58
  59 cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
  60
  61 dropped=0
  62 while read line;
  63 do
  64         let dropped=$dropped+$line
  65 done < $TEMP_FILE
  66
  67 let total=$dropped+$traced
  68 let wanted=$NR_APP*1000000
  69
  70 if [ $wanted -ne $total ]; then
  71         fail "Trace validation"
  72         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  73 else
  74         pass "Trace validation"
  75         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  76 fi
  77
  78 rm -rf $TRACE_PATH
  79 rm $TEMP_FILE $TEMP_FILE_2