projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| de7e372e MD |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # Copyright (C) - 2015 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
| 4 | # Copyright (C) - 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 5 | # | |
| 6 | # This library is free software; you can redistribute it and/or modify it under | |
| 7 | # the terms of the GNU Lesser General Public License as published by the Free | |
| 8 | # Software Foundation; version 2.1 of the License. | |
| 9 | # | |
| 10 | # This library is distributed in the hope that it will be useful, but WITHOUT | |
| 11 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 12 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | |
| 13 | # details. | |
| 14 | # | |
| 15 | # You should have received a copy of the GNU Lesser General Public License | |
| 16 | # along with this library; if not, write to the Free Software Foundation, Inc., | |
| 17 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | TEST_DESC="UST - Blocking mode" | |
| 19 | ||
| 20 | CURDIR=$(dirname $0)/ | |
| 21 | TESTDIR=$CURDIR/../../.. | |
| 22 | SESSION_NAME="blocking" | |
| 23 | ||
| 24 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
| 25 | TESTAPP_NAME="gen-ust-events" | |
| 26 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
| 27 | EVENT_NAME="tp:tptest" | |
| 28 | ||
| 29 | NUM_TESTS=45 | |
| 30 | ||
| 31 | source $TESTDIR/utils/utils.sh | |
| 32 | ||
| 33 | # MUST set TESTDIR before calling those functions | |
| 34 | # Run app on CPU 0 to ensure we only write in a single ring buffer. | |
| 35 | function run_app() | |
| 36 | { | |
| 37 | taskset 0x00000001 $TESTAPP_BIN $NUM_EVENT | |
| 38 | ok $? "Application done" | |
| 39 | } | |
| 40 | ||
| 41 | function test_ust_implicit_no_blocking() | |
| 42 | { | |
| 43 | NUM_EVENT=500000 | |
| 44 | diag "UST implicit non-blocking mode (default): will hang if fails" | |
| 45 | ||
| 46 | # Test without the plugin | |
| 47 | start_lttng_sessiond | |
| 48 | create_lttng_session_no_output $SESSION_NAME | |
| 49 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
| 50 | start_lttng_tracing_ok $SESSION_NAME | |
| 51 | run_app | |
| 52 | stop_lttng_tracing_ok $SESSION_NAME | |
| 53 | destroy_lttng_session_ok $SESSION_NAME | |
| 54 | stop_lttng_sessiond | |
| 55 | ||
| 56 | ok 0 "Does not hang" | |
| 57 | } | |
| 58 | ||
| 59 | function test_ust_explicit_no_blocking() | |
| 60 | { | |
| 61 | NUM_EVENT=500000 | |
| 62 | diag "UST explicit non-blocking mode: will hang if fails" | |
| 63 | ||
| 64 | # Test without the plugin | |
| 65 | start_lttng_sessiond | |
| 66 | create_lttng_session_no_output $SESSION_NAME | |
| 67 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
| 68 | start_lttng_tracing_ok $SESSION_NAME | |
| 69 | LTTNG_UST_BLOCKING_RETRY_TIMEOUT=0 run_app | |
| 70 | stop_lttng_tracing_ok $SESSION_NAME | |
| 71 | destroy_lttng_session_ok $SESSION_NAME | |
| 72 | stop_lttng_sessiond | |
| 73 | ||
| 74 | ok 0 "Does not hang" | |
| 75 | } | |
| 76 | ||
| 77 | function test_ust_timeout_no_blocking() | |
| 78 | { | |
| 79 | NUM_EVENT=12500 | |
| 80 | diag "UST 1ms timeout retry mode: will hang if fails" | |
| 81 | ||
| 82 | start_lttng_sessiond | |
| 83 | create_lttng_session_no_output $SESSION_NAME | |
| 84 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
| 85 | start_lttng_tracing_ok $SESSION_NAME | |
| 86 | # retry timeout 1ms | |
| 87 | LTTNG_UST_BLOCKING_RETRY_TIMEOUT=1 run_app | |
| 88 | stop_lttng_tracing_ok $SESSION_NAME | |
| 89 | destroy_lttng_session_ok $SESSION_NAME | |
| 90 | stop_lttng_sessiond | |
| 91 | ||
| 92 | ok 0 "Does not hang" | |
| 93 | } | |
| 94 | ||
| 95 | function test_ust_snapshot_no_blocking() | |
| 96 | { | |
| 97 | NUM_EVENT=500000 | |
| 98 | diag "UST blocking mode: don't block in snapshot mode" | |
| 99 | ||
| 100 | # Test without the plugin | |
| 101 | start_lttng_sessiond | |
| 102 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH --snapshot | |
| 103 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
| 104 | start_lttng_tracing_ok $SESSION_NAME | |
| 105 | LTTNG_UST_BLOCKING_RETRY_TIMEOUT=-1 run_app | |
| 106 | stop_lttng_tracing_ok $SESSION_NAME | |
| 107 | destroy_lttng_session_ok $SESSION_NAME | |
| 108 | stop_lttng_sessiond | |
| 109 | ||
| 110 | ok 0 "Does not hang" | |
| 111 | } | |
| 112 | ||
| 113 | function test_ust_blocking_no_discard() | |
| 114 | { | |
| 115 | NUM_EVENT=500000 | |
| 116 | diag "UST blocking mode: no event discarded" | |
| 117 | ||
| 118 | # Test without the plugin | |
| 119 | start_lttng_sessiond | |
| 120 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
| 121 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
| 122 | start_lttng_tracing_ok $SESSION_NAME | |
| 123 | # infinite retry timeout | |
| 124 | LTTNG_UST_BLOCKING_RETRY_TIMEOUT=-1 run_app | |
| 125 | stop_lttng_tracing_ok $SESSION_NAME | |
| 126 | destroy_lttng_session_ok $SESSION_NAME | |
| 127 | stop_lttng_sessiond | |
| 128 | ||
| 129 | nr_events=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l) | |
| 130 | ||
| 131 | test $nr_events -eq $NUM_EVENT | |
| 132 | ok $? "No event lost with UST blocking mode: found $nr_events expect $NUM_EVENT" | |
| 133 | } | |
| 134 | ||
| 135 | plan_tests $NUM_TESTS | |
| 136 | ||
| 137 | print_test_banner "$TEST_DESC" | |
| 138 | ||
| 139 | TESTS=( | |
| 140 | "test_ust_implicit_no_blocking" | |
| 141 | "test_ust_explicit_no_blocking" | |
| 142 | "test_ust_timeout_no_blocking" | |
| 143 | "test_ust_snapshot_no_blocking" | |
| 144 | "test_ust_blocking_no_discard" | |
| 145 | ) | |
| 146 | ||
| 147 | TEST_COUNT=${#TESTS[@]} | |
| 148 | i=0 | |
| 149 | ||
| 150 | while [ "$i" -lt "$TEST_COUNT" ]; do | |
| 151 | ||
| 152 | TRACE_PATH=$(mktemp -d) | |
| 153 | ||
| 154 | # Execute test | |
| 155 | ${TESTS[$i]} | |
| 156 | ||
| 157 | rm -rf $TRACE_PATH | |
| 158 | ||
| 159 | let "i++" | |
| 160 | done |