tests/regression/tools/wildcard/test_event_wildcard

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com>
   4 # Copyright (C) - 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5 #
   6 # This program is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License, version 2 only, as
   8 # published by the Free Software Foundation.
   9 #
  10 # This program is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 # more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along with
  16 # this program; if not, write to the Free Software Foundation, Inc., 51
  17 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19 TEST_DESC="LTTng - Event wildcard test"
  20
  21 CURDIR=$(dirname $0)/
  22 TESTDIR=$CURDIR/../../..
  23 TESTAPP_PATH="$TESTDIR/utils/testapp"
  24 TESTAPP_NAME="gen-ust-events"
  25 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  26 SESSION_NAME="wildcard"
  27 NR_ITER=100
  28 NUM_GLOBAL_TESTS=2
  29 NUM_UST_TESTS=37
  30 NUM_KERNEL_TESTS=30
  31 NUM_TESTS=$(($NUM_UST_TESTS+$NUM_KERNEL_TESTS+$NUM_GLOBAL_TESTS))
  32
  33 source $TESTDIR/utils/utils.sh
  34
  35 function run_ust
  36 {
  37         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
  38 }
  39
  40 function run_kernel
  41 {
  42         # Trigger the event for 100 iterations
  43         echo -n "100" > /proc/lttng-test-filter-event
  44 }
  45
  46 function test_event_wildcard()
  47 {
  48         TRACE_PATH=$(mktemp -d)
  49         DOMAIN="$1"
  50         FIND="$2"
  51         WILDCARD="$3"
  52
  53         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  54         enable_${DOMAIN}_lttng_event_ok $SESSION_NAME "$WILDCARD"
  55
  56         start_lttng_tracing_ok
  57
  58         run_${DOMAIN}
  59         ok $? "Traced application stopped."
  60
  61         stop_lttng_tracing_ok
  62         destroy_lttng_session_ok $SESSION_NAME
  63
  64         if [ ${FIND} -eq 1 ]; then
  65                 trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
  66         else
  67                 validate_trace_empty $TRACE_PATH
  68         fi
  69
  70         rm -rf $TRACE_PATH
  71 }
  72
  73 function test_event_wildcard_fail()
  74 {
  75         TRACE_PATH=$(mktemp -d)
  76         DOMAIN="$1"
  77         WILDCARD="$2"
  78
  79         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  80         enable_${DOMAIN}_lttng_event_fail $SESSION_NAME "$WILDCARD"
  81         destroy_lttng_session_ok $SESSION_NAME
  82
  83         rm -rf $TRACE_PATH
  84 }
  85
  86 # MUST set TESTDIR before calling those functions
  87 plan_tests $NUM_TESTS
  88
  89 print_test_banner "$TEST_DESC"
  90
  91 start_lttng_sessiond
  92
  93 diag "Test UST wildcard"
  94
  95 if [ ! -x "$TESTAPP_BIN" ]; then
  96         BAIL_OUT "No UST nevents binary detected."
  97 fi
  98
  99 EVENT_NAME="tp:tptest"
 100
 101 test_event_wildcard ust 1 'tp:tp*'
 102 test_event_wildcard ust 1 '*'
 103 test_event_wildcard ust 1 'tp:tptest*'
 104 test_event_wildcard ust 0 'tp:abc*'
 105
 106 test_event_wildcard_fail ust 'tp:*tp'
 107 test_event_wildcard_fail ust 'tp:tp**'
 108 test_event_wildcard_fail ust '*tp:tp*'
 109
 110
 111 if [ "$(id -u)" == "0" ]; then
 112         isroot=1
 113 else
 114         isroot=0
 115 fi
 116
 117 skip $isroot "Root access is needed. Skipping all kernel wildcard tests." $NUM_KERNEL_TESTS ||
 118 {
 119         diag "Test kernel wildcards"
 120
 121         modprobe lttng-test
 122
 123         EVENT_NAME="lttng_test_filter_event"
 124
 125         test_event_wildcard kernel 1 'lttng_test_*'
 126         test_event_wildcard kernel 1 'lttng_test_filter_event*'
 127         test_event_wildcard kernel 0 'lttng_test_asdfasdf*'
 128
 129         test_event_wildcard_fail kernel 'tp_*tp'
 130         test_event_wildcard_fail kernel 'tp_tp**'
 131         test_event_wildcard_fail kernel '*tp_tp*'
 132
 133         rmmod lttng-test
 134 }
 135
 136 stop_lttng_sessiond