| 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=16 |
| 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 test_before_apps() |
| 39 | { |
| 40 | # BEFORE application is spawned |
| 41 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 42 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 43 | start_lttng_tracing_ok $SESSION_NAME |
| 44 | |
| 45 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT & |
| 46 | wait |
| 47 | ok $? "Traced application stopped." |
| 48 | |
| 49 | stop_lttng_tracing_ok $SESSION_NAME |
| 50 | destroy_lttng_session_ok $SESSION_NAME |
| 51 | |
| 52 | trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH |
| 53 | |
| 54 | return $? |
| 55 | } |
| 56 | |
| 57 | function test_after_apps() |
| 58 | { |
| 59 | local out |
| 60 | local file_sync_after_first=$(mktemp -u) |
| 61 | local file_sync_before_last=$(mktemp -u) |
| 62 | |
| 63 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 64 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 65 | |
| 66 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 67 | --sync-after-first-event ${file_sync_after_first} \ |
| 68 | --sync-before-last-event ${file_sync_before_last} & |
| 69 | ok $? "Application started in background." |
| 70 | |
| 71 | start_lttng_tracing_ok $SESSION_NAME |
| 72 | |
| 73 | touch ${file_sync_before_last} |
| 74 | |
| 75 | wait |
| 76 | |
| 77 | stop_lttng_tracing_ok $SESSION_NAME |
| 78 | destroy_lttng_session_ok $SESSION_NAME |
| 79 | |
| 80 | rm -f ${file_sync_after_first} |
| 81 | rm -f ${file_sync_before_last} |
| 82 | |
| 83 | validate_trace $EVENT_NAME $TRACE_PATH |
| 84 | out=$? |
| 85 | |
| 86 | return $out |
| 87 | } |
| 88 | |
| 89 | # MUST set TESTDIR before calling those functions |
| 90 | plan_tests $NUM_TESTS |
| 91 | |
| 92 | print_test_banner "$TEST_DESC" |
| 93 | |
| 94 | start_lttng_sessiond |
| 95 | |
| 96 | diag "Start tracing BEFORE application is started" |
| 97 | |
| 98 | TRACE_PATH=$(mktemp -d) |
| 99 | |
| 100 | test_before_apps |
| 101 | out=$? |
| 102 | if [ $out -ne 0 ]; then |
| 103 | stop_lttng_sessiond |
| 104 | exit $out |
| 105 | fi |
| 106 | |
| 107 | rm -rf $TRACE_PATH |
| 108 | |
| 109 | diag "Start tracing AFTER application is started" |
| 110 | |
| 111 | TRACE_PATH=$(mktemp -d) |
| 112 | |
| 113 | test_after_apps |
| 114 | out=$? |
| 115 | if [ $out -ne 0 ]; then |
| 116 | stop_lttng_sessiond |
| 117 | exit $out |
| 118 | fi |
| 119 | |
| 120 | stop_lttng_sessiond |
| 121 | |
| 122 | rm -rf $TRACE_PATH |