tests/regression/tools/regen-metadata/test_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
   4 #
   5 # This library is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU Lesser General Public License as published by the Free
   7 # Software Foundation; version 2.1 of the License.
   8 #
   9 # This library is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11 # FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  12 # details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public License
  15 # along with this library; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  17 TEST_DESC="Streaming - Kernel tracing"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 EVENT_NAME="lttng_test_filter_event"
  22 PID_RELAYD=0
  23 SESSION_NAME=""
  24
  25 TRACE_PATH=$(mktemp -d)
  26
  27 NUM_TESTS=18
  28
  29 source $TESTDIR/utils/utils.sh
  30
  31 function test_kernel_streaming ()
  32 {
  33         diag "Test kernel streaming with metadata regeneration"
  34         create_lttng_session_uri $SESSION_NAME net://localhost
  35         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  36         start_lttng_tracing_ok $SESSION_NAME
  37         echo -n "100" > /proc/lttng-test-filter-event
  38         regenerate_metadata_ok $SESSION_NAME
  39         stop_lttng_tracing_ok $SESSION_NAME
  40         # Validate test
  41         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  42         if [ $? -eq 0 ]; then
  43                 # Only delete if successful
  44                 rm -rf $TRACE_PATH
  45         else
  46                 break
  47         fi
  48         destroy_lttng_session_ok $SESSION_NAME
  49 }
  50
  51 function test_kernel_local ()
  52 {
  53         diag "Test kernel local with metadata regeneration"
  54         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  55         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  56         start_lttng_tracing_ok $SESSION_NAME
  57         echo -n "100" > /proc/lttng-test-filter-event
  58         regenerate_metadata_ok $SESSION_NAME
  59         stop_lttng_tracing_ok $SESSION_NAME
  60         validate_trace $EVENT_NAME $TRACE_PATH
  61         if [ $? -eq 0 ]; then
  62                 # Only delete if successful
  63                 rm -rf $TRACE_PATH
  64         fi
  65         destroy_lttng_session_ok $SESSION_NAME
  66 }
  67
  68 plan_tests $NUM_TESTS
  69
  70 print_test_banner "$TEST_DESC"
  71
  72 if [ "$(id -u)" == "0" ]; then
  73         isroot=1
  74 else
  75         isroot=0
  76 fi
  77
  78 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  79 {
  80         validate_lttng_modules_present
  81
  82         start_lttng_relayd "-o $TRACE_PATH"
  83         start_lttng_sessiond
  84         modprobe lttng-test
  85
  86         tests=( test_kernel_streaming test_kernel_local )
  87
  88         for fct_test in ${tests[@]};
  89         do
  90                 SESSION_NAME=$(randstring 16 0)
  91                 ${fct_test}
  92         done
  93
  94         rmmod lttng-test
  95         stop_lttng_sessiond
  96         stop_lttng_relayd
  97 }