tests/regression/tools/streaming/test_ust

   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="Streaming - User space tracing"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 NR_ITER=5
  12 NR_USEC_WAIT=1000000
  13 TESTAPP_PATH="$TESTDIR/utils/testapp"
  14 TESTAPP_NAME="gen-ust-events"
  15 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  16 SESSION_NAME="stream"
  17 EVENT_NAME="tp:tptest"
  18
  19 TRACE_PATH=$(mktemp -d -t tmp.test_streaming_ust_trace_path.XXXXXX)
  20
  21 NUM_TESTS=18
  22
  23 source $TESTDIR/utils/utils.sh
  24
  25 if [ ! -x "$TESTAPP_BIN" ]; then
  26         BAIL_OUT "No UST events binary detected."
  27 fi
  28
  29 # MUST set TESTDIR before calling those functions
  30
  31 function test_ust_before_start ()
  32 {
  33         local file_sync_before_last=$(mktemp -u -t "tmp.test_${FUNCNAME[0]}_sync_before_last.XXXXXX")
  34
  35         diag "Test UST streaming BEFORE tracing starts"
  36         create_lttng_session_uri $SESSION_NAME net://localhost
  37         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  38
  39         # Run 5 times with a 1 second delay
  40         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
  41
  42         start_lttng_tracing_ok $SESSION_NAME
  43
  44         touch ${file_sync_before_last}
  45
  46         # Wait for the applications started in background
  47         wait
  48
  49         stop_lttng_tracing_ok $SESSION_NAME
  50         destroy_lttng_session_ok $SESSION_NAME
  51         rm -f ${file_sync_before_last}
  52 }
  53
  54 function test_ust_after_start ()
  55 {
  56         local file_sync_after_first=$(mktemp -u -t "tmp.test_${FUNCNAME[0]}_sync_after_first.XXXXXX")
  57
  58         diag "Test UST streaming AFTER tracing starts"
  59         create_lttng_session_uri $SESSION_NAME net://localhost
  60         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  61         start_lttng_tracing_ok $SESSION_NAME
  62
  63         # Run 5 times with a 1 second delay
  64         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  65                 --sync-after-first-event ${file_sync_after_first} >/dev/null 2>&1
  66
  67         while [ ! -f "${file_sync_after_first}" ]; do
  68                 sleep 0.5
  69         done
  70
  71         stop_lttng_tracing_ok $SESSION_NAME
  72         destroy_lttng_session_ok $SESSION_NAME
  73
  74         # Wait for the applications started in background
  75         wait
  76         rm -f ${file_sync_after_first}
  77 }
  78
  79 plan_tests $NUM_TESTS
  80
  81 print_test_banner "$TEST_DESC"
  82 bail_out_if_no_babeltrace
  83
  84 start_lttng_relayd "-o $TRACE_PATH"
  85 start_lttng_sessiond
  86
  87 tests=( test_ust_before_start test_ust_after_start )
  88
  89 for fct_test in ${tests[@]};
  90 do
  91         SESSION_NAME=$(randstring 16 0)
  92         ${fct_test}
  93
  94         # Validate test
  95         validate_trace_path_ust_uid_network "$TRACE_PATH" "$SESSION_NAME"
  96         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  97         if [ $? -eq 0 ]; then
  98                 # Only delete if successful
  99                 rm -rf $TRACE_PATH
 100         else
 101                 break
 102         fi
 103 done
 104
 105 stop_lttng_sessiond
 106 stop_lttng_relayd
 107
 108 exit $out