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f4e40ab6 DG |
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 | |
c38b5107 | 17 | TEST_DESC="Streaming - Kernel tracing" |
f4e40ab6 DG |
18 | |
19 | CURDIR=$(dirname $0)/ | |
20 | TESTDIR=$CURDIR/../.. | |
21 | EVENT_NAME="sched_switch" | |
22 | PID_RELAYD=0 | |
23 | SESSION_NAME="" | |
24 | ||
173af62f DG |
25 | TRACE_PATH=$(mktemp -d) |
26 | ||
f4e40ab6 DG |
27 | source $TESTDIR/utils.sh |
28 | ||
c38b5107 | 29 | print_test_banner "$TEST_DESC" |
f4e40ab6 DG |
30 | |
31 | if [ "$(id -u)" != "0" ]; then | |
32 | echo "This test must be running as root. Aborting" | |
33 | # Exit status 0 so the tests can continue | |
34 | exit 0 | |
35 | fi | |
36 | ||
37 | # LTTng kernel modules check | |
38 | out=`ls /lib/modules/$(uname -r)/extra | grep lttng` | |
39 | if [ -z "$out" ]; then | |
40 | echo "LTTng modules not detected. Aborting kernel tests!" | |
41 | echo "" | |
42 | # Exit status 0 so the tests can continue | |
43 | exit 0 | |
44 | fi | |
45 | ||
785d2d0d | 46 | function lttng_create_session_uri |
f4e40ab6 DG |
47 | { |
48 | echo -n "Creating session $SESSION_NAME... " | |
49 | # Create session with default path | |
785d2d0d | 50 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1 |
f4e40ab6 | 51 | if [ $? -eq 1 ]; then |
c38b5107 | 52 | print_fail |
f4e40ab6 DG |
53 | return 1 |
54 | else | |
c38b5107 | 55 | print_ok |
f4e40ab6 DG |
56 | fi |
57 | } | |
58 | ||
59 | function test_kernel_before_start () | |
60 | { | |
61 | echo -e "\n=== Testing kernel streaming with event enable BEFORE start\n" | |
785d2d0d | 62 | lttng_create_session_uri |
f4e40ab6 | 63 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
fb3268e3 | 64 | start_lttng_tracing $SESSION_NAME |
f4e40ab6 DG |
65 | # Give a second |
66 | sleep 1 | |
fb3268e3 | 67 | stop_lttng_tracing $SESSION_NAME |
f4e40ab6 | 68 | destroy_lttng_session $SESSION_NAME |
df29d3c3 DG |
69 | |
70 | # We can not predict _yet_ when the trace is available so we have to do a | |
71 | # arbitratry sleep to validate the trace. | |
72 | echo -n "Waiting 3 seconds for the trace to be written on disk " | |
73 | for i in `seq 1 3`; do | |
74 | echo -n "." | |
75 | sleep 1 | |
76 | done | |
77 | echo "" | |
f4e40ab6 DG |
78 | } |
79 | ||
173af62f DG |
80 | # Deactivated since this feature is not yet available where we can enable |
81 | # an event AFTERE tracing has started. | |
f4e40ab6 DG |
82 | function test_kernel_after_start () |
83 | { | |
84 | echo -e "\n=== Testing kernel streaming with event enable AFTER start\n" | |
785d2d0d | 85 | lttng_create_session_uri |
fb3268e3 | 86 | start_lttng_tracing $SESSION_NAME |
f4e40ab6 DG |
87 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
88 | # Give a second | |
89 | sleep 1 | |
fb3268e3 | 90 | stop_lttng_tracing $SESSION_NAME |
f4e40ab6 DG |
91 | destroy_lttng_session $SESSION_NAME |
92 | } | |
93 | ||
fb3268e3 CB |
94 | start_lttng_sessiond |
95 | start_lttng_relayd "-o $TRACE_PATH" | |
f4e40ab6 | 96 | |
173af62f | 97 | tests=( test_kernel_before_start ) |
f4e40ab6 DG |
98 | |
99 | for fct_test in ${tests[@]}; | |
100 | do | |
101 | SESSION_NAME=$(randstring 16 0) | |
102 | ${fct_test} | |
103 | ||
104 | # Validate test | |
173af62f | 105 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME* |
f4e40ab6 DG |
106 | if [ $? -eq 0 ]; then |
107 | # Only delete if successful | |
173af62f | 108 | rm -rf $TRACE_PATH |
f4e40ab6 DG |
109 | else |
110 | break | |
111 | fi | |
112 | done | |
113 | ||
114 | echo "" | |
fb3268e3 CB |
115 | stop_lttng_sessiond |
116 | stop_lttng_relayd | |
f4e40ab6 DG |
117 | |
118 | ||
119 | exit $out |