Commit | Line | Data |
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6faa26ca JD |
1 | #!/bin/bash |
2 | # | |
9d16b343 | 3 | # Copyright (C) 2016 Julien Desfossez <jdesfossez@efficios.com> |
6faa26ca | 4 | # |
9d16b343 | 5 | # SPDX-License-Identifier: GPL-2.0-only |
6faa26ca | 6 | # |
6faa26ca JD |
7 | |
8 | TEST_DESC="Perf counters" | |
9 | ||
10 | CURDIR=$(dirname $0)/ | |
11 | TESTDIR=$CURDIR/.. | |
12 | LTTNG_BIN="lttng" | |
13 | SESSION_NAME="perf_counters" | |
95cdb5e3 | 14 | NUM_TESTS=21 |
6faa26ca JD |
15 | NR_ITER=1 |
16 | NR_USEC_WAIT=1 | |
17 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
18 | TESTAPP_NAME="gen-ust-events" | |
19 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
20 | # Empty if libpfm is installed, "#" otherwise | |
21 | HAVE_LIBPFM="@LTTNG_TOOLS_BUILD_WITH_LIBPFM_TRUE@" | |
22 | ||
23 | source $TESTDIR/utils/utils.sh | |
24 | ||
25 | function enable_ust_lttng_event_per_chan() | |
26 | { | |
27 | sess_name="$1" | |
28 | event_name="$2" | |
29 | chan_name="$3" | |
30 | ||
31 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -c $chan_name -u >/dev/null 2>&1 | |
32 | ok $? "Enable event $event_name for session $sess_name in channel $chan_name" | |
33 | } | |
34 | ||
35 | function have_libpfm() | |
36 | { | |
37 | test -z $HAVE_LIBPFM | |
38 | ok $? "Have libpfm installed" | |
39 | } | |
40 | ||
41 | function test_ust_raw() | |
42 | { | |
65702b8f JR |
43 | local TRACE_PATH=$(mktemp -d) |
44 | local SESSION_NAME="ust_perf" | |
45 | local CHAN_NAME="mychan" | |
46 | local EVENT_NAME="tp:tptest" | |
47 | local PMU="UNHALTED_REFERENCE_CYCLES" | |
48 | local tests_to_skip=9 | |
49 | local ret | |
50 | ||
51 | # Find the raw perf id of the event. | |
52 | PERFID=$("$CURDIR/find_event" "$PMU") | |
53 | ret=$? | |
54 | if [ "$ret" -eq "0" ]; then | |
55 | pass "Find PMU $PMU" | |
56 | elif [ "$ret" -eq "1" ]; then | |
57 | skip 0 "PMU event not found." $tests_to_skip | |
58 | return | |
59 | elif [ "$ret" -eq "2" ]; then | |
60 | skip 0 "PMU event not actionable." $tests_to_skip | |
61 | return | |
62 | else | |
63 | fail "find_event returned $ret." | |
64 | return | |
65 | fi | |
6faa26ca JD |
66 | |
67 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
68 | ||
69 | enable_ust_lttng_channel_ok $SESSION_NAME $CHAN_NAME | |
70 | ||
71 | enable_ust_lttng_event_per_chan $SESSION_NAME $EVENT_NAME $CHAN_NAME | |
72 | ||
73 | add_context_ust_ok $SESSION_NAME $CHAN_NAME "perf:thread:raw:${PERFID}:test" | |
74 | ||
75 | start_lttng_tracing_ok | |
76 | ||
6c4a91d6 | 77 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT >/dev/null 2>&1 |
6faa26ca JD |
78 | |
79 | stop_lttng_tracing_ok | |
80 | ||
81 | destroy_lttng_session_ok $SESSION_NAME | |
82 | ||
83 | validate_trace "perf_thread_raw_${PERFID}_test" $TRACE_PATH | |
84 | ||
85 | rm -rf $TRACE_PATH | |
86 | } | |
87 | ||
88 | function test_kernel_raw() | |
89 | { | |
65702b8f JR |
90 | local TRACE_PATH=$(mktemp -d) |
91 | local SESSION_NAME="kernel_perf" | |
92 | local CHAN_NAME="mychan" | |
93 | local EVENT_NAME="lttng_test_filter_event" | |
94 | local PMU="UNHALTED_REFERENCE_CYCLES" | |
95 | local PERFID="" | |
96 | local tests_to_skip=9 | |
97 | local ret | |
98 | ||
99 | # Find the raw perf id of the event. | |
100 | PERFID=$("$CURDIR/find_event" "$PMU") | |
101 | ret=$? | |
102 | if [ "$ret" -eq "0" ]; then | |
103 | pass "Find PMU $PMU" | |
104 | elif [ "$ret" -eq "1" ]; then | |
105 | skip 0 "PMU event not found." $tests_to_skip | |
106 | return | |
107 | elif [ "$ret" -eq "2" ]; then | |
108 | skip 0 "PMU event not actionable." $tests_to_skip | |
109 | return | |
110 | else | |
111 | fail "find_event returned $ret." | |
112 | return | |
113 | fi | |
6faa26ca JD |
114 | |
115 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
116 | ||
117 | lttng_enable_kernel_channel_ok $SESSION_NAME $CHAN_NAME | |
118 | ||
119 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHAN_NAME | |
120 | ||
121 | add_context_kernel_ok $SESSION_NAME $CHAN_NAME "perf:cpu:raw:${PERFID}:test" | |
122 | ||
123 | start_lttng_tracing_ok | |
124 | ||
125 | echo -n 10 > /proc/lttng-test-filter-event | |
126 | ||
127 | stop_lttng_tracing_ok | |
128 | ||
129 | destroy_lttng_session_ok $SESSION_NAME | |
130 | ||
131 | validate_trace "perf_cpu_raw_${PERFID}_test" $TRACE_PATH | |
132 | ||
133 | rm -rf $TRACE_PATH | |
134 | } | |
135 | ||
136 | if [ "$(id -u)" == "0" ]; then | |
137 | isroot=1 | |
138 | else | |
139 | isroot=0 | |
140 | fi | |
141 | ||
142 | # MUST set TESTDIR before calling those functions | |
143 | plan_tests $NUM_TESTS | |
144 | ||
145 | print_test_banner "$TEST_DESC" | |
146 | ||
147 | start_lttng_sessiond | |
148 | ||
149 | have_libpfm | |
150 | ||
151 | test_ust_raw | |
152 | ||
153 | skip $isroot "Root access is needed for kernel testing, skipping." 9 || | |
154 | { | |
155 | modprobe lttng-test | |
156 | test_kernel_raw | |
d0e263e7 | 157 | modprobe --remove lttng-test |
6faa26ca JD |
158 | } |
159 | ||
160 | stop_lttng_sessiond |