| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2012 David Goulet <dgoulet@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="UST tracer - Start tracing before and after execution" |
| 18 | |
| 19 | CURDIR=$(dirname $0)/ |
| 20 | TESTDIR=$CURDIR/../../.. |
| 21 | NR_ITER=100 |
| 22 | NR_USEC_WAIT=100000 |
| 23 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 24 | TESTAPP_NAME="gen-ust-events" |
| 25 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 26 | SESSION_NAME="per-session" |
| 27 | EVENT_NAME="tp:tptest" |
| 28 | NUM_TESTS=17 |
| 29 | |
| 30 | source $TESTDIR/utils/utils.sh |
| 31 | |
| 32 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 33 | BAIL_OUT "No UST nevents binary detected." |
| 34 | fi |
| 35 | |
| 36 | # MUST set TESTDIR before calling those functions |
| 37 | |
| 38 | function wait_app() |
| 39 | { |
| 40 | while [ -n "$(pidof $TESTAPP_NAME)" ]; do |
| 41 | sleep 0.5 |
| 42 | done |
| 43 | pass "Application $TESTAPP_NAME ended." |
| 44 | } |
| 45 | |
| 46 | function test_before_apps() |
| 47 | { |
| 48 | # BEFORE application is spawned |
| 49 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 50 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 51 | start_lttng_tracing $SESSION_NAME |
| 52 | |
| 53 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT |
| 54 | ok $? "Traced application stopped." |
| 55 | |
| 56 | stop_lttng_tracing $SESSION_NAME |
| 57 | destroy_lttng_session $SESSION_NAME |
| 58 | |
| 59 | trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH |
| 60 | |
| 61 | return $? |
| 62 | } |
| 63 | |
| 64 | function test_after_apps() |
| 65 | { |
| 66 | local out |
| 67 | |
| 68 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 69 | ok $? "Application started in background." |
| 70 | |
| 71 | # BEFORE application is spawned |
| 72 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 73 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 74 | start_lttng_tracing $SESSION_NAME |
| 75 | |
| 76 | # Since the start is done after the application is started, there is a |
| 77 | # bootstrap time needed between the session daemon and the UST tracer. |
| 78 | # Waiting for the application to end tells us when to stop everything and |
| 79 | # validate that at least one event is seen. |
| 80 | wait_app |
| 81 | |
| 82 | stop_lttng_tracing $SESSION_NAME |
| 83 | destroy_lttng_session $SESSION_NAME |
| 84 | |
| 85 | validate_trace $EVENT_NAME $TRACE_PATH |
| 86 | out=$? |
| 87 | |
| 88 | return $out |
| 89 | } |
| 90 | |
| 91 | # MUST set TESTDIR before calling those functions |
| 92 | plan_tests $NUM_TESTS |
| 93 | |
| 94 | print_test_banner "$TEST_DESC" |
| 95 | |
| 96 | start_lttng_sessiond |
| 97 | |
| 98 | diag "Start tracing BEFORE application is started" |
| 99 | |
| 100 | TRACE_PATH=$(mktemp -d) |
| 101 | |
| 102 | test_before_apps |
| 103 | out=$? |
| 104 | if [ $out -ne 0 ]; then |
| 105 | stop_lttng_sessiond |
| 106 | exit $out |
| 107 | fi |
| 108 | |
| 109 | rm -rf $TRACE_PATH |
| 110 | |
| 111 | diag "Start tracing AFTER application is started" |
| 112 | |
| 113 | TRACE_PATH=$(mktemp -d) |
| 114 | |
| 115 | test_after_apps |
| 116 | out=$? |
| 117 | if [ $out -ne 0 ]; then |
| 118 | stop_lttng_sessiond |
| 119 | exit $out |
| 120 | fi |
| 121 | |
| 122 | stop_lttng_sessiond |
| 123 | |
| 124 | rm -rf $TRACE_PATH |