tests/regression/tools/regen-metadata/test_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="Streaming - Kernel tracing"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 EVENT_NAME="lttng_test_filter_event"
  12 SESSION_NAME=""
  13
  14 TRACE_PATH=$(mktemp -d)
  15
  16 NUM_TESTS=18
  17
  18 source $TESTDIR/utils/utils.sh
  19
  20 function test_kernel_streaming ()
  21 {
  22         diag "Test kernel streaming with metadata regeneration"
  23         create_lttng_session_uri $SESSION_NAME net://localhost
  24         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  25         start_lttng_tracing_ok $SESSION_NAME
  26         echo -n "100" > /proc/lttng-test-filter-event
  27         regenerate_metadata_ok $SESSION_NAME
  28         stop_lttng_tracing_ok $SESSION_NAME
  29         # Validate test
  30         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  31         if [ $? -eq 0 ]; then
  32                 # Only delete if successful
  33                 rm -rf $TRACE_PATH
  34         else
  35                 break
  36         fi
  37         destroy_lttng_session_ok $SESSION_NAME
  38 }
  39
  40 function test_kernel_local ()
  41 {
  42         diag "Test kernel local with metadata regeneration"
  43         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  44         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  45         start_lttng_tracing_ok $SESSION_NAME
  46         echo -n "100" > /proc/lttng-test-filter-event
  47         regenerate_metadata_ok $SESSION_NAME
  48         stop_lttng_tracing_ok $SESSION_NAME
  49         validate_trace $EVENT_NAME $TRACE_PATH
  50         if [ $? -eq 0 ]; then
  51                 # Only delete if successful
  52                 rm -rf $TRACE_PATH
  53         fi
  54         destroy_lttng_session_ok $SESSION_NAME
  55 }
  56
  57 plan_tests $NUM_TESTS
  58
  59 print_test_banner "$TEST_DESC"
  60
  61 if [ "$(id -u)" == "0" ]; then
  62         isroot=1
  63 else
  64         isroot=0
  65 fi
  66
  67 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  68 {
  69         validate_lttng_modules_present
  70
  71         start_lttng_relayd "-o $TRACE_PATH"
  72         start_lttng_sessiond
  73         modprobe lttng-test
  74
  75         tests=( test_kernel_streaming test_kernel_local )
  76
  77         for fct_test in ${tests[@]};
  78         do
  79                 SESSION_NAME=$(randstring 16 0)
  80                 ${fct_test}
  81         done
  82
  83         rmmod lttng-test
  84         stop_lttng_sessiond
  85         stop_lttng_relayd
  86 }