tests/regression/ust/namespaces/test_ns_contexts

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2019 Michael Jeanson <mjeanson@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
  18 TEST_DESC="UST - Namespace contexts"
  19
  20 CURDIR=$(dirname "$0")/
  21 TESTDIR=$CURDIR/../../..
  22
  23 TESTAPP_PATH="$TESTDIR/utils/testapp"
  24 TESTAPP_NAME="gen-ust-events"
  25 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  26 NUM_EVENT=10000
  27 EVENT_NAME="tp:tptest"
  28
  29 TESTS_PER_NS=13
  30
  31 NUM_TESTS=$((TESTS_PER_NS * 7))
  32
  33 source "$TESTDIR/utils/utils.sh"
  34
  35 # MUST set TESTDIR before calling those functions
  36 function run_app()
  37 {
  38         $TESTAPP_BIN -i $NUM_EVENT
  39         ok $? "Application done"
  40 }
  41
  42 function test_ns()
  43 {
  44         local ns=$1
  45
  46         local session_name="${ns}_ns"
  47         local chan_name="${ns}_ns"
  48         local context_name="${ns}_ns"
  49
  50         local trace_path
  51         local ns_inode
  52
  53         # Check if the kernel has support for this ns type
  54         if [ ! -f "/proc/$$/ns/$ns" ]; then
  55                 skip 0 "System has no $ns namespace support" $TESTS_PER_NS
  56                 return
  57         fi
  58
  59         # Get the current ns inode number
  60         ns_inode=$(stat -c '%i' -L "/proc/$$/ns/$ns")
  61         ok $? "Get current $ns namespace inode: $ns_inode"
  62
  63         trace_path=$(mktemp -d)
  64
  65         start_lttng_sessiond
  66
  67         create_lttng_session_ok "$session_name" "$trace_path"
  68         enable_ust_lttng_channel_ok "$session_name" "$chan_name"
  69         add_context_ust_ok "$session_name" "$chan_name" "$context_name"
  70         enable_ust_lttng_event_ok "$session_name" "$EVENT_NAME" "$chan_name"
  71         start_lttng_tracing_ok "$session_name"
  72
  73         run_app
  74
  75         # stop and destroy
  76         stop_lttng_tracing_ok "$session_name"
  77         destroy_lttng_session_ok "$session_name"
  78         stop_lttng_sessiond
  79
  80         # Check that the events contain the right namespace inode number
  81         validate_trace_count "${ns}_ns = $ns_inode" "$trace_path" $NUM_EVENT
  82
  83         rm -rf "$trace_path"
  84 }
  85
  86
  87 plan_tests $NUM_TESTS
  88
  89 print_test_banner "$TEST_DESC"
  90
  91 system_has_ns=0
  92 if [ -d "/proc/$$/ns" ]; then
  93         system_has_ns=1
  94 fi
  95
  96 skip $system_has_ns "System does not support namespaces" $NUM_TESTS && exit 0
  97
  98 test_ns cgroup
  99 test_ns ipc
 100 test_ns mnt
 101 test_ns net
 102 test_ns pid
 103 test_ns user
 104 test_ns uts