tests: test uid/gid/pid/vuid/vgid/vpid trackers
[lttng-tools.git] / tests / regression / tools / tracker / test_event_tracker
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1#!/bin/bash
2#
3# Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com>
4# Copyright (C) - 2015-2018 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
5#
6# This program is free software; you can redistribute it and/or modify it
7# under the terms of the GNU General Public License, version 2 only, as
8# published by the Free Software Foundation.
9#
10# This program is distributed in the hope that it will be useful, but WITHOUT
11# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13# more details.
14#
15# You should have received a copy of the GNU General Public License along with
16# this program; if not, write to the Free Software Foundation, Inc., 51
17# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18
19TEST_DESC="LTTng - Event traker test"
20
21CURDIR=$(dirname "$0")/
22TESTDIR="$CURDIR/../../.."
23TESTAPP_PATH="$TESTDIR/utils/testapp"
24TESTAPP_NAME="gen-ust-events"
25TESTAPP_KERNEL_NAME="gen-kernel-test-events"
26TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
27TESTAPP_KERNEL_BIN="$TESTAPP_PATH/$TESTAPP_KERNEL_NAME/$TESTAPP_KERNEL_NAME"
28SESSION_NAME="tracker"
29NR_ITER=100
30NUM_GLOBAL_TESTS=2
31NUM_UST_TESTS=256
32NUM_KERNEL_TESTS=462
33NUM_TESTS=$((NUM_UST_TESTS+NUM_KERNEL_TESTS+NUM_GLOBAL_TESTS))
34
35NR_USEC_WAIT=0 #for UST gen events
36
37SCRIPT_UID="$(id -u)"
38SCRIPT_GID="$(id -g)"
39SCRIPT_USERNAME="$(id -un)"
40SCRIPT_GROUPNAME="$(id -gn)"
41
42CHILD_PID=-1
43WAIT_PATH=
44AFTER_FIRST_PATH=
45BEFORE_LAST_PATH=
46
47source $TESTDIR/utils/utils.sh
48
49function prepare_ust_app
50{
51 AFTER_FIRST_PATH=$(mktemp -u)
52 BEFORE_LAST_PATH=$(mktemp -u)
53
54 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT -a "$AFTER_FIRST_PATH" -b "$BEFORE_LAST_PATH" &
55 CHILD_PID=$!
56}
57
58function trace_ust_app
59{
60 touch "$BEFORE_LAST_PATH"
61 wait
62 ok $? "Traced application stopped."
63 rm "$BEFORE_LAST_PATH"
64 rm "$AFTER_FIRST_PATH"
65}
66
67function prepare_kernel_app
68{
69 WAIT_PATH=$(mktemp -u)
70
71 "$TESTAPP_KERNEL_BIN" "$WAIT_PATH" $NR_ITER &
72 CHILD_PID=$!
73}
74
75function trace_kernel_app
76{
77 touch "$WAIT_PATH"
78 wait
79 ok $? "Traced application stopped."
80 rm "$WAIT_PATH"
81}
82
83function test_event_tracker()
84{
85 local trace_path
86 local domain="$1"
87 local expect_event="$2"
88 local wildcard="$3"
89 local tracker="$4"
90 local channel=''
91
92 trace_path=$(mktemp -d)
93
94 create_lttng_session_ok $SESSION_NAME "$trace_path"
95
96 if [ "$domain" = kernel ]; then
97 channel=chan
98 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
99 fi
100
101 enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
102
103 start_lttng_tracing_ok
104
105 lttng_track_"$domain"_ok "${tracker}"
106
107 prepare_"$domain"_app
108
109 trace_"$domain"_app
110
111 stop_lttng_tracing_ok
112 destroy_lttng_session_ok $SESSION_NAME
113
114 if [ "$expect_event" -eq 1 ]; then
115 trace_matches "$EVENT_NAME" $NR_ITER "$trace_path"
116 else
117 validate_trace_session_"$domain"_empty "$trace_path"
118 fi
119
120 rm -rf "$trace_path"
121}
122
123function test_event_vpid_tracker()
124{
125 local trace_path
126 local domain="$1"
127 local expect_event="$2"
128 local wildcard="$3"
129 local channel=''
130
131 trace_path=$(mktemp -d)
132
133 create_lttng_session_ok $SESSION_NAME "$trace_path"
134
135 if [ "$domain" = kernel ]; then
136 channel=chan
137 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
138 fi
139
140 enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
141
142 prepare_"$domain"_app
143
144 start_lttng_tracing_ok
145
146 if [ "$expect_event" -eq 1 ]; then
147 lttng_track_"$domain"_ok "--vpid ${CHILD_PID}"
148 else
149 lttng_track_"$domain"_ok "--vpid $((CHILD_PID+1))"
150 fi
151
152 trace_"$domain"_app
153
154 stop_lttng_tracing_ok
155 destroy_lttng_session_ok $SESSION_NAME
156
157 if [ "$expect_event" -eq 1 ]; then
158 validate_trace "$EVENT_NAME" "$trace_path"
159 else
160 validate_trace_empty "$trace_path"
161 fi
162
163 rm -rf "$trace_path"
164}
165
166function test_event_pid_tracker()
167{
168 local trace_path
169 local domain="$1"
170 local expect_event="$2"
171 local wildcard="$3"
172 local channel=''
173
174 trace_path=$(mktemp -d)
175
176 create_lttng_session_ok $SESSION_NAME "$trace_path"
177
178 if [ "$domain" = kernel ]; then
179 channel=chan
180 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
181 fi
182
183 enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
184
185 prepare_"$domain"_app
186
187 start_lttng_tracing_ok
188
189 if [ "$expect_event" -eq 1 ]; then
190 lttng_track_"$domain"_ok "--pid ${CHILD_PID}"
191 else
192 lttng_track_"$domain"_ok "--pid $((CHILD_PID+1))"
193 fi
194
195 trace_"$domain"_app
196
197 stop_lttng_tracing_ok
198 destroy_lttng_session_ok $SESSION_NAME
199
200 if [ "$expect_event" -eq 1 ]; then
201 validate_trace "$EVENT_NAME" "$trace_path"
202 else
203 validate_trace_empty "$trace_path"
204 fi
205
206 rm -rf "$trace_path"
207}
208
209
210function test_event_tracker_fail()
211{
212 local trace_path
213 local domain="$1"
214 local wildcard="$2"
215 local tracker="$3"
216
217 trace_path=$(mktemp -d)
218
219 create_lttng_session_ok $SESSION_NAME "$trace_path"
220 enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard"
221 lttng_track_"$domain"_fail "${tracker}"
222 destroy_lttng_session_ok $SESSION_NAME
223
224 rm -rf "$trace_path"
225}
226
227function test_event_track_untrack()
228{
229 local trace_path
230 local domain="$1"
231 local expect_event="$2"
232 local wildcard="$3"
233 local tracker="$4"
234 local channel=''
235
236 trace_path=$(mktemp -d)
237
238 create_lttng_session_ok $SESSION_NAME "$trace_path"
239
240 if [ "$domain" = kernel ]; then
241 channel=chan
242 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
243 fi
244
245 enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
246
247 start_lttng_tracing_ok
248
249 lttng_track_"$domain"_ok "${tracker}"
250 lttng_untrack_"$domain"_ok "${tracker}"
251
252 prepare_"$domain"_app
253
254 trace_"$domain"_app
255
256 stop_lttng_tracing_ok
257 destroy_lttng_session_ok $SESSION_NAME
258
259 if [ "$expect_event" -eq 1 ]; then
260 trace_matches "$EVENT_NAME" $NR_ITER "$trace_path"
261 else
262 validate_trace_session_"$domain"_empty "$trace_path"
263 fi
264
265 rm -rf "$trace_path"
266}
267
268function test_event_vpid_track_untrack()
269{
270 local trace_path
271 local domain="$1"
272 local expect_event="$2"
273 local wildcard="$3"
274 local channel=''
275
276 trace_path=$(mktemp -d)
277
278 create_lttng_session_ok $SESSION_NAME "$trace_path"
279
280 if [ "$domain" = kernel ]; then
281 channel=chan
282 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
283 fi
284
285 enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
286
287 prepare_"$domain"_app
288
289 start_lttng_tracing_ok
290
291 lttng_track_"$domain"_ok "--vpid ${CHILD_PID}"
292 lttng_untrack_"$domain"_ok "--vpid ${CHILD_PID}"
293
294 trace_"$domain"_app
295
296 stop_lttng_tracing_ok
297 destroy_lttng_session_ok $SESSION_NAME
298
299 if [ "$expect_event" -eq 1 ]; then
300 validate_trace "$EVENT_NAME" "$trace_path"
301 else
302 validate_trace_empty "$trace_path"
303 fi
304
305 rm -rf "$trace_path"
306}
307
308function test_event_pid_track_untrack()
309{
310 local trace_path
311 local domain="$1"
312 local expect_event="$2"
313 local wildcard="$3"
314 local channel=''
315
316 trace_path=$(mktemp -d)
317
318 create_lttng_session_ok $SESSION_NAME "$trace_path"
319
320 if [ "$domain" = kernel ]; then
321 channel=chan
322 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
323 fi
324
325 enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
326
327 prepare_"$domain"_app
328
329 start_lttng_tracing_ok
330
331 lttng_track_"$domain"_ok "--pid ${CHILD_PID}"
332 lttng_untrack_"$domain"_ok "--pid ${CHILD_PID}"
333
334 trace_"$domain"_app
335
336 stop_lttng_tracing_ok
337 destroy_lttng_session_ok $SESSION_NAME
338
339 if [ "$expect_event" -eq 1 ]; then
340 validate_trace "$EVENT_NAME" "$trace_path"
341 else
342 validate_trace_empty "$trace_path"
343 fi
344
345 rm -rf "$trace_path"
346}
347
348# MUST set TESTDIR before calling those functions
349plan_tests $NUM_TESTS
350
351print_test_banner "$TEST_DESC"
352
353start_lttng_sessiond
354
355diag "Test UST tracker"
356
357if [ ! -x "$TESTAPP_BIN" ]; then
358 BAIL_OUT "No UST nevents binary detected."
359fi
360
361EVENT_NAME="tp:tptest"
362
363#vuid, vgid
364
365# non-matching
366test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1))"
367test_event_tracker ust 0 "${EVENT_NAME}" "--vgid $((SCRIPT_GID+1))"
368test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid $((SCRIPT_GID+1))"
369test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid ${SCRIPT_GID}"
370test_event_tracker ust 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid $((SCRIPT_GID+1))"
371test_event_track_untrack ust 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
372test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
373test_event_track_untrack ust 0 "${EVENT_NAME}" "--vuid --all"
374test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid --all"
375
376# matching
377test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
378test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
379test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid ${SCRIPT_GID}"
380test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME}"
381test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME}"
382test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID},$((SCRIPT_UID+1))"
383test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID},$((SCRIPT_GID+1))"
384test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
385test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
386test_event_tracker ust 1 "${EVENT_NAME}" "--vuid --all"
387test_event_tracker ust 1 "${EVENT_NAME}" "--vgid --all"
388
389#fail
390test_event_tracker_fail ust "${EVENT_NAME}" "--vuid lttng_unexisting_user"
391test_event_tracker_fail ust "${EVENT_NAME}" "--vgid lttng_unexisting_group"
392
393
394#vpid
395
396#non-matching
397test_event_track_untrack ust 0 "${EVENT_NAME}" "--vpid --all"
398test_event_vpid_tracker ust 0 "${EVENT_NAME}"
399test_event_vpid_track_untrack ust 0 "${EVENT_NAME}"
400
401#matching
402test_event_tracker ust 1 "${EVENT_NAME}" "--vpid --all"
403test_event_vpid_tracker ust 1 "${EVENT_NAME}"
404
405#pid (backward compat)
406
407#non-matching
408test_event_pid_tracker ust 0 "${EVENT_NAME}"
409test_event_pid_track_untrack ust 0 "${EVENT_NAME}"
410test_event_track_untrack ust 0 "${EVENT_NAME}" "--pid --all" # backward compat
411
412#matching
413test_event_tracker ust 1 "${EVENT_NAME}" "--pid --all" # backward compat
414test_event_pid_tracker ust 1 "${EVENT_NAME}"
415
416if [ "$(id -u)" == "0" ]; then
417 isroot=1
418else
419 isroot=0
420fi
421
422skip $isroot "Root access is needed. Skipping all kernel tracker tests." $NUM_KERNEL_TESTS ||
423{
424 diag "Test kernel tracker"
425
426 modprobe lttng-test
427 ok $? "Loading lttng-test module"
428
429 EVENT_NAME="lttng_test_filter_event"
430
431 # vuid, vgid, vpid
432
433 # non-matching
434 test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1))"
435 test_event_tracker kernel 0 "${EVENT_NAME}" "--vgid $((SCRIPT_GID+1))"
436 test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid $((SCRIPT_GID+1))"
437 test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid ${SCRIPT_GID}"
438 test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid $((SCRIPT_GID+1))"
439 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
440 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
441 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vuid --all"
442 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vgid --all"
443
444 # matching
445 test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
446 test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
447 test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid ${SCRIPT_GID}"
448 test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME}"
449 test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME}"
450 test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID},$((SCRIPT_UID+1))"
451 test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID},$((SCRIPT_GID+1))"
452 test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
453 test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
454 test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid --all"
455 test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid --all"
456
457 #fail
458 test_event_tracker_fail kernel "${EVENT_NAME}" "--vuid lttng_unexisting_user"
459 test_event_tracker_fail kernel "${EVENT_NAME}" "--vgid lttng_unexisting_group"
460
461
462 #uid, gid
463
464 # non-matching
465 test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1))"
466 test_event_tracker kernel 0 "${EVENT_NAME}" "--gid $((SCRIPT_GID+1))"
467 test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1)) --gid $((SCRIPT_GID+1))"
468 test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1)) --gid ${SCRIPT_GID}"
469 test_event_tracker kernel 0 "${EVENT_NAME}" "--uid ${SCRIPT_UID} --gid $((SCRIPT_GID+1))"
470 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--uid ${SCRIPT_UID}"
471 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--gid ${SCRIPT_GID}"
472 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--uid --all"
473 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--gid --all"
474
475 # matching
476 test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID}"
477 test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GID}"
478 test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID} --gid ${SCRIPT_GID}"
479 test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_USERNAME}"
480 test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GROUPNAME}"
481 test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID},$((SCRIPT_UID+1))"
482 test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GID},$((SCRIPT_GID+1))"
483 test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
484 test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
485
486 #fail
487 test_event_tracker_fail kernel "${EVENT_NAME}" "--uid lttng_unexisting_user"
488 test_event_tracker_fail kernel "${EVENT_NAME}" "--gid lttng_unexisting_group"
489
490
491 #vpid
492
493 #non-matching
494 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vpid --all"
495 test_event_vpid_tracker kernel 0 "${EVENT_NAME}"
496 test_event_vpid_track_untrack kernel 0 "${EVENT_NAME}"
497
498 #matching
499 test_event_tracker kernel 1 "${EVENT_NAME}" "--vpid --all"
500 test_event_vpid_tracker kernel 1 "${EVENT_NAME}"
501
502 #pid
503
504 #non-matching
505 test_event_pid_tracker kernel 0 "${EVENT_NAME}"
506 test_event_pid_track_untrack kernel 0 "${EVENT_NAME}"
507 test_event_track_untrack kernel 0 "${EVENT_NAME}" "--pid --all"
508
509 #matching
510 test_event_tracker kernel 1 "${EVENT_NAME}" "--pid --all"
511 test_event_pid_tracker kernel 1 "${EVENT_NAME}"
512
513 rmmod lttng-test
514 ok $? "Unloading lttng-test module"
515}
516
517stop_lttng_sessiond
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