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 lttng_create_session_uri
  32 {
  33         # Create session with default path
  34         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
  35
  36         ok $? "Create session $SESSION_NAME"
  37 }
  38
  39 function test_kernel_streaming ()
  40 {
  41         diag "Test kernel streaming with metadata regeneration"
  42         lttng_create_session_uri
  43         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  44         start_lttng_tracing_ok $SESSION_NAME
  45         echo -n "100" > /proc/lttng-test-filter-event
  46         regenerate_metadata_ok $SESSION_NAME
  47         stop_lttng_tracing_ok $SESSION_NAME
  48         # Validate test
  49         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  50         if [ $? -eq 0 ]; then
  51                 # Only delete if successful
  52                 rm -rf $TRACE_PATH
  53         else
  54                 break
  55         fi
  56         destroy_lttng_session_ok $SESSION_NAME
  57 }
  58
  59 function test_kernel_local ()
  60 {
  61         diag "Test kernel local with metadata regeneration"
  62         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  63         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  64         start_lttng_tracing_ok $SESSION_NAME
  65         echo -n "100" > /proc/lttng-test-filter-event
  66         regenerate_metadata_ok $SESSION_NAME
  67         stop_lttng_tracing_ok $SESSION_NAME
  68         validate_trace $EVENT_NAME $TRACE_PATH
  69         if [ $? -eq 0 ]; then
  70                 # Only delete if successful
  71                 rm -rf $TRACE_PATH
  72         fi
  73         destroy_lttng_session_ok $SESSION_NAME
  74 }
  75
  76 plan_tests $NUM_TESTS
  77
  78 print_test_banner "$TEST_DESC"
  79
  80 if [ "$(id -u)" == "0" ]; then
  81         isroot=1
  82 else
  83         isroot=0
  84 fi
  85
  86 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  87 {
  88         validate_lttng_modules_present
  89
  90         start_lttng_relayd "-o $TRACE_PATH"
  91         start_lttng_sessiond
  92         modprobe lttng-test
  93
  94         tests=( test_kernel_streaming test_kernel_local )
  95
  96         for fct_test in ${tests[@]};
  97         do
  98                 SESSION_NAME=$(randstring 16 0)
  99                 ${fct_test}
 100         done
 101
 102         rmmod lttng-test
 103         stop_lttng_sessiond
 104         stop_lttng_relayd
 105 }