Fix: snapshot support for UST and kernel in same session
[lttng-tools.git] / tests / regression / tools / snapshots / test_ust
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1#!/bin/bash
2#
3# Copyright (C) - 2013 Julien Desfossez <jdesfossez@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="Snapshots - UST tracing"
18
19CURDIR=$(dirname $0)/
20TESTDIR=$CURDIR/../../..
21EVENT_NAME="tp:tptest"
22BIN_NAME="gen-nevents"
23PID_RELAYD=0
24SESSION_NAME=""
25CHANNEL_NAME="snapchan"
26TESTAPP_PATH="$TESTDIR/utils/testapp"
27TESTAPP_NAME="gen-ust-events"
28TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
29NR_ITER=2000000
30NR_USEC_WAIT=100
31
32TRACE_PATH=$(mktemp -d)
33
34NUM_TESTS=2019
35
36source $TESTDIR/utils/utils.sh
37
38if [ ! -x "$TESTAPP_BIN" ]; then
39 BAIL_OUT "No UST events binary detected."
40fi
41
42function test_ust_local_snapshot ()
43{
44 diag "Test local UST snapshots"
45 create_lttng_session_no_output $SESSION_NAME
46 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
47 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
48 start_lttng_tracing $SESSION_NAME
49 lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
50 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
51 ok $? "Start application to trace"
52 lttng_snapshot_record $SESSION_NAME
53 stop_lttng_tracing $SESSION_NAME
54 destroy_lttng_session $SESSION_NAME
55
56 # Validate test
57 validate_trace $EVENT_NAME $TRACE_PATH/
58 if [ $? -eq 0 ]; then
59 # Only delete if successful
60 rm -rf $TRACE_PATH
61 else
62 break
63 fi
64 diag "Killing $TESTAPP_NAME"
65 PID_APP=`pidof $TESTAPP_NAME`
66 kill $PID_APP >/dev/null 2>&1
67}
68
69function test_ust_1000_local_snapshots ()
70{
71 NB_SNAP=1000
72
73 diag "Test $NB_SNAP local UST snapshots"
74 create_lttng_session_no_output $SESSION_NAME
75 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
76 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
77 start_lttng_tracing $SESSION_NAME
78 lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
79 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
80 for i in $(seq 1 $NB_SNAP); do
81 diag "Snapshot $i/$NB_SNAP"
82 rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
83 lttng_snapshot_record $SESSION_NAME
84 # Validate test
85 validate_trace $EVENT_NAME $TRACE_PATH/
86 if [ $? -eq 0 ]; then
87 # Only delete if successful
88 rm -rf $TRACE_PATH
89 else
90 break
91 fi
92 done
93 stop_lttng_tracing $SESSION_NAME
94 destroy_lttng_session $SESSION_NAME
95 diag "Killing $TESTAPP_NAME"
96 PID_APP=`pidof $TESTAPP_NAME`
97# kill $PID_APP >/dev/null 2>&1
98}
99
100plan_tests $NUM_TESTS
101
102print_test_banner "$TEST_DESC"
103
104if [ "$(id -u)" == "0" ]; then
105 isroot=1
106else
107 isroot=0
108fi
109
110start_lttng_sessiond
111
112tests=( test_ust_local_snapshot test_ust_1000_local_snapshots )
113
114for fct_test in ${tests[@]};
115do
116 SESSION_NAME=$(randstring 16 0)
117 ${fct_test}
118
119done
120
121stop_lttng_sessiond
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