Doc: document tracefile max size discarded event limitation
[lttng-tools.git] / tests / regression / tools / streaming / test_ust
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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
17TEST_DESC="Streaming - User space tracing"
18
19CURDIR=$(dirname $0)/
20TESTDIR=$CURDIR/../../..
21NR_ITER=5
22NR_USEC_WAIT=1000000
23TESTAPP_PATH="$TESTDIR/utils/testapp"
24TESTAPP_NAME="gen-ust-events"
25TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
26SESSION_NAME="stream"
27EVENT_NAME="tp:tptest"
28PID_RELAYD=0
29
30TRACE_PATH=$(mktemp -d)
31
32NUM_TESTS=18
33
34source $TESTDIR/utils/utils.sh
35
36if [ ! -x "$TESTAPP_BIN" ]; then
37 BAIL_OUT "No UST events binary detected."
38fi
39
40function lttng_create_session_uri
41{
42 # Create session with default path
43 $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
44 ok $? "Create session with default path"
45}
46
47function wait_apps
48{
49 while [ -n "$(pidof $TESTAPP_NAME)" ]; do
50 sleep 0.5
51 done
52 pass "Wait for applications to end"
53}
54
55# MUST set TESTDIR before calling those functions
56
57function test_ust_before_start ()
58{
59 diag "Test UST streaming BEFORE tracing starts"
60 lttng_create_session_uri
61 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
62
63 # Run 5 times with a 1 second delay
64 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
65
66 start_lttng_tracing $SESSION_NAME
67
68 wait_apps
69
70 stop_lttng_tracing $SESSION_NAME
71 destroy_lttng_session $SESSION_NAME
72}
73
74function test_ust_after_start ()
75{
76 diag "Test UST streaming AFTER tracing starts"
77 lttng_create_session_uri
78 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
79 start_lttng_tracing $SESSION_NAME
80
81 # Run 5 times with a 1 second delay
82 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
83
84 wait_apps
85
86 stop_lttng_tracing $SESSION_NAME
87 destroy_lttng_session $SESSION_NAME
88}
89
90plan_tests $NUM_TESTS
91
92print_test_banner "$TEST_DESC"
93
94start_lttng_relayd "-o $TRACE_PATH"
95start_lttng_sessiond
96
97tests=( test_ust_before_start test_ust_after_start )
98
99for fct_test in ${tests[@]};
100do
101 SESSION_NAME=$(randstring 16 0)
102 ${fct_test}
103
104 # Validate test
105 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
106 if [ $? -eq 0 ]; then
107 # Only delete if successful
108 rm -rf $TRACE_PATH
109 else
110 break
111 fi
112done
113
114stop_lttng_sessiond
115stop_lttng_relayd
116
117exit $out
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