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 --tmpdir -d tmp.test_high_throughput_ust_trace_path.XXXXXX)
  24
  25 # MUST set TESTDIR before calling those functions
  26
  27 plan_tests $NUM_TESTS
  28
  29 print_test_banner "$TEST_DESC"
  30
  31 bail_out_if_no_babeltrace
  32
  33 start_lttng_sessiond
  34
  35 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  36
  37 enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  38 start_lttng_tracing_ok $SESSION_NAME
  39
  40 for i in `seq 1 $NR_APP`; do
  41         ./$CURDIR/$BIN_NAME >/dev/null 2>&1 &
  42 done
  43
  44 diag "Waiting for applications to end"
  45 wait
  46 pass "Wait for applications to end"
  47
  48 stop_lttng_tracing_ok $SESSION_NAME
  49 destroy_lttng_session_ok $SESSION_NAME
  50
  51 stop_lttng_sessiond
  52
  53 # Validate test
  54
  55 TEMP_FILE=$(mktemp --tmpdir tmp.test_high_throughput_tmp_file1.XXXXXX)
  56 TEMP_FILE_2=$(mktemp --tmpdir tmp.test_high_throughput_tmp_file2.XXXXXX)
  57
  58 traced=$("$BABELTRACE_BIN" $TRACE_PATH 2>/dev/null | wc -l)
  59 "$BABELTRACE_BIN" $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
  60
  61 cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
  62
  63 dropped=0
  64 while read line;
  65 do
  66         let dropped=$dropped+$line
  67 done < $TEMP_FILE
  68
  69 let total=$dropped+$traced
  70 let wanted=$NR_APP*1000000
  71
  72 if [ $wanted -ne $total ]; then
  73         fail "Trace validation"
  74         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  75 else
  76         pass "Trace validation"
  77         diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
  78 fi
  79
  80 rm -rf $TRACE_PATH
  81 rm $TEMP_FILE $TEMP_FILE_2