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 LTTNG_BIN="lttng"
  24 TESTAPP_PATH="$TESTDIR/utils/testapp"
  25 TESTAPP_NAME="gen-ust-events"
  26 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  27 SESSION_NAME="wildcard"
  28 NR_ITER=100
  29 NUM_GLOBAL_TESTS=2
  30 NUM_UST_TESTS=37
  31 NUM_KERNEL_TESTS=37
  32 NUM_TESTS=$(($NUM_UST_TESTS+$NUM_KERNEL_TESTS+$NUM_GLOBAL_TESTS))
  33
  34 source $TESTDIR/utils/utils.sh
  35
  36 function run_ust
  37 {
  38         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
  39 }
  40
  41 function run_kernel
  42 {
  43         # Trigger the event for 100 iterations
  44         echo -n "100" > /proc/lttng-test-filter-event
  45 }
  46
  47 function test_event_wildcard()
  48 {
  49         TRACE_PATH=$(mktemp -d)
  50         DOMAIN="$1"
  51         FIND="$2"
  52         WILDCARD="$3"
  53
  54         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  55         enable_${DOMAIN}_lttng_event_ok $SESSION_NAME "$WILDCARD"
  56
  57         start_lttng_tracing_ok
  58
  59         run_${DOMAIN}
  60         ok $? "Traced application stopped."
  61
  62         stop_lttng_tracing_ok
  63         destroy_lttng_session_ok $SESSION_NAME
  64
  65         if [ ${FIND} -eq 1 ]; then
  66                 trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
  67         else
  68                 validate_trace_empty $TRACE_PATH
  69         fi
  70
  71         rm -rf $TRACE_PATH
  72 }
  73
  74 function test_event_wildcard_fail()
  75 {
  76         TRACE_PATH=$(mktemp -d)
  77         DOMAIN="$1"
  78         WILDCARD="$2"
  79
  80         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  81         enable_${DOMAIN}_lttng_event_fail $SESSION_NAME "$WILDCARD"
  82         destroy_lttng_session_ok $SESSION_NAME
  83
  84         rm -rf $TRACE_PATH
  85 }
  86
  87 # MUST set TESTDIR before calling those functions
  88 plan_tests $NUM_TESTS
  89
  90 print_test_banner "$TEST_DESC"
  91
  92 start_lttng_sessiond
  93
  94 diag "Test UST wildcard"
  95
  96 if [ ! -x "$TESTAPP_BIN" ]; then
  97         BAIL_OUT "No UST nevents binary detected."
  98 fi
  99
 100 EVENT_NAME="tp:tptest"
 101
 102 test_event_wildcard ust 1 'tp:tp*'
 103 test_event_wildcard ust 1 '*'
 104 test_event_wildcard ust 1 'tp:tptest*'
 105 test_event_wildcard ust 0 'tp:abc*'
 106
 107 test_event_wildcard_fail ust 'tp:*tp'
 108 test_event_wildcard_fail ust 'tp:tp**'
 109 test_event_wildcard_fail ust '*tp:tp*'
 110
 111
 112 if [ "$(id -u)" == "0" ]; then
 113         isroot=1
 114 else
 115         isroot=0
 116 fi
 117
 118 skip $isroot "Root access is needed. Skipping all kernel wildcard tests." $NUM_KERNEL_TESTS ||
 119 {
 120         diag "Test kernel wildcards"
 121
 122         modprobe lttng-test
 123
 124         EVENT_NAME="lttng_test_filter_event"
 125
 126         test_event_wildcard kernel 1 'lttng_test_*'
 127         test_event_wildcard kernel 1 '*'
 128         test_event_wildcard kernel 1 'lttng_test_filter_event*'
 129         test_event_wildcard kernel 0 'lttng_test_asdfasdf*'
 130
 131         test_event_wildcard_fail kernel 'tp_*tp'
 132         test_event_wildcard_fail kernel 'tp_tp**'
 133         test_event_wildcard_fail kernel '*tp_tp*'
 134
 135         rmmod lttng-test
 136 }
 137
 138 stop_lttng_sessiond