tests/regression/ust/low-throughput/test_low_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 low events throughput"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 BIN_NAME="gen-events"
  12 SESSION_NAME="low-throughput"
  13 EVENT_NAME="tp:slow"
  14 NUM_TESTS=8
  15
  16 source $TESTDIR/utils/utils.sh
  17
  18 if [ ! -x "$CURDIR/$BIN_NAME" ]; then
  19         BAIL_OUT "No UST nevents binary detected."
  20 fi
  21
  22 TRACE_PATH=$(mktemp -d -t tmp.test_low_throughput_ust_trace_path.XXXXXX)
  23
  24 # MUST set TESTDIR before calling those functions
  25
  26 plan_tests $NUM_TESTS
  27
  28 print_test_banner "$TEST_DESC"
  29
  30 bail_out_if_no_babeltrace
  31
  32 start_lttng_sessiond
  33
  34 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  35
  36 enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  37 start_lttng_tracing_ok $SESSION_NAME
  38
  39 # This is going to take 20 minutes
  40 ./$CURDIR/$BIN_NAME >/dev/null 2>&1
  41
  42 stop_lttng_tracing_ok $SESSION_NAME
  43 destroy_lttng_session_ok $SESSION_NAME
  44
  45 stop_lttng_sessiond
  46
  47 # Validate test
  48
  49 last_val=0
  50 out=0
  51
  52 "$BABELTRACE_BIN" $TRACE_PATH | while read event;
  53 do
  54         val=$(echo $event | cut -f10 -d" ")
  55         val=${val%?}
  56         th=$(echo $event | cut -f13 -d " ")
  57
  58         if [ $th = '"one"' ]; then
  59                 ((last_val++))
  60                 # We expect here a continous value from 1 to 20
  61                 if [ $last_val -ne $val ]; then
  62                         diag "One minute event failed ($val)"
  63                         out=1
  64                         break
  65                 fi
  66         elif [ $th = '"ten"' ]; then
  67                 # Test 10 minutes counter
  68                 if [ $val -ne 10 ]; then
  69                         # Test 20 minutes counter
  70                         if [ $val -ne 20 ]; then
  71                                 diag "Ten minutes event failed ($val)"
  72                                 out=1
  73                                 break
  74                         fi
  75                 fi
  76         elif [ $th = '"twenty"' ]; then
  77                 # Test 20 minutes counter
  78                 if [ $val -ne 20 ]; then
  79                         diag "Twenty minutes event failed ($val)"
  80                         out=1
  81                         break
  82                 fi
  83         fi
  84 done
  85
  86 ok $out "Trace validation"
  87
  88 rm -rf $TRACE_PATH