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6faa26ca JD |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2016 Julien Desfossez <jdesfossez@efficios.com> | |
4 | # | |
5 | # This program is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU General Public License, version 2 only, as | |
7 | # published by the Free Software Foundation. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | # more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License along with | |
15 | # this program; if not, write to the Free Software Foundation, Inc., 51 | |
16 | # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | ||
18 | TEST_DESC="Perf counters" | |
19 | ||
20 | CURDIR=$(dirname $0)/ | |
21 | TESTDIR=$CURDIR/.. | |
22 | LTTNG_BIN="lttng" | |
23 | SESSION_NAME="perf_counters" | |
95cdb5e3 | 24 | NUM_TESTS=21 |
6faa26ca JD |
25 | NR_ITER=1 |
26 | NR_USEC_WAIT=1 | |
27 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
28 | TESTAPP_NAME="gen-ust-events" | |
29 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
30 | # Empty if libpfm is installed, "#" otherwise | |
31 | HAVE_LIBPFM="@LTTNG_TOOLS_BUILD_WITH_LIBPFM_TRUE@" | |
32 | ||
33 | source $TESTDIR/utils/utils.sh | |
34 | ||
35 | function enable_ust_lttng_event_per_chan() | |
36 | { | |
37 | sess_name="$1" | |
38 | event_name="$2" | |
39 | chan_name="$3" | |
40 | ||
41 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -c $chan_name -u >/dev/null 2>&1 | |
42 | ok $? "Enable event $event_name for session $sess_name in channel $chan_name" | |
43 | } | |
44 | ||
45 | function have_libpfm() | |
46 | { | |
47 | test -z $HAVE_LIBPFM | |
48 | ok $? "Have libpfm installed" | |
49 | } | |
50 | ||
51 | function test_ust_raw() | |
52 | { | |
53 | TRACE_PATH=$(mktemp -d) | |
54 | SESSION_NAME="ust_perf" | |
55 | CHAN_NAME="mychan" | |
56 | EVENT_NAME="tp:tptest" | |
57 | PMU="UNHALTED_REFERENCE_CYCLES" | |
58 | PERFID=$($CURDIR/find_event $PMU) | |
59 | test $? -eq "0" | |
60 | ok $? "Find PMU $PMU" | |
61 | ||
62 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
63 | ||
64 | enable_ust_lttng_channel_ok $SESSION_NAME $CHAN_NAME | |
65 | ||
66 | enable_ust_lttng_event_per_chan $SESSION_NAME $EVENT_NAME $CHAN_NAME | |
67 | ||
68 | add_context_ust_ok $SESSION_NAME $CHAN_NAME "perf:thread:raw:${PERFID}:test" | |
69 | ||
70 | start_lttng_tracing_ok | |
71 | ||
72 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 | |
73 | ||
74 | stop_lttng_tracing_ok | |
75 | ||
76 | destroy_lttng_session_ok $SESSION_NAME | |
77 | ||
78 | validate_trace "perf_thread_raw_${PERFID}_test" $TRACE_PATH | |
79 | ||
80 | rm -rf $TRACE_PATH | |
81 | } | |
82 | ||
83 | function test_kernel_raw() | |
84 | { | |
85 | TRACE_PATH=$(mktemp -d) | |
86 | SESSION_NAME="kernel_perf" | |
87 | CHAN_NAME="mychan" | |
88 | EVENT_NAME="lttng_test_filter_event" | |
89 | PMU="UNHALTED_REFERENCE_CYCLES" | |
90 | PERFID=$($CURDIR/find_event $PMU) | |
91 | test $? -eq "0" | |
92 | ok $? "Find PMU $PMU" | |
93 | ||
94 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
95 | ||
96 | lttng_enable_kernel_channel_ok $SESSION_NAME $CHAN_NAME | |
97 | ||
98 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHAN_NAME | |
99 | ||
100 | add_context_kernel_ok $SESSION_NAME $CHAN_NAME "perf:cpu:raw:${PERFID}:test" | |
101 | ||
102 | start_lttng_tracing_ok | |
103 | ||
104 | echo -n 10 > /proc/lttng-test-filter-event | |
105 | ||
106 | stop_lttng_tracing_ok | |
107 | ||
108 | destroy_lttng_session_ok $SESSION_NAME | |
109 | ||
110 | validate_trace "perf_cpu_raw_${PERFID}_test" $TRACE_PATH | |
111 | ||
112 | rm -rf $TRACE_PATH | |
113 | } | |
114 | ||
115 | if [ "$(id -u)" == "0" ]; then | |
116 | isroot=1 | |
117 | else | |
118 | isroot=0 | |
119 | fi | |
120 | ||
121 | # MUST set TESTDIR before calling those functions | |
122 | plan_tests $NUM_TESTS | |
123 | ||
124 | print_test_banner "$TEST_DESC" | |
125 | ||
126 | start_lttng_sessiond | |
127 | ||
128 | have_libpfm | |
129 | ||
130 | test_ust_raw | |
131 | ||
132 | skip $isroot "Root access is needed for kernel testing, skipping." 9 || | |
133 | { | |
134 | modprobe lttng-test | |
135 | test_kernel_raw | |
136 | rmmod lttng-test | |
137 | } | |
138 | ||
139 | stop_lttng_sessiond |