File: test_syscall

package info (click to toggle)
ltt-control 2.14.0-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 21,860 kB
  • sloc: cpp: 192,012; sh: 28,777; ansic: 10,960; python: 7,108; makefile: 3,520; java: 109; xml: 46
file content (700 lines) | stat: -rwxr-xr-x 21,054 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
#!/bin/bash
#
# SPDX-FileCopyrightText: 2013 Christian Babeux <christian.babeux@efficios.com>
# SPDX-FileCopyrightText: 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only
#

TEST_DESC="Kernel tracer - System calls"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../..
NUM_TESTS=216

# `gen-syscall-event` starts and waits for the creation a file passed by
# arguments to start executing 3 syscalls (open,read,close) and returning.
TESTCMD="$TESTDIR/utils/testapp/gen-syscall-events/gen-syscall-events"

source $TESTDIR/utils/utils.sh

function trace_testapp()
{
	local start_file_sync=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_start.XXXXXX")

	# Clear all entries from the resource tracker
	lttng_untrack_kernel_all_ok

	# Launch the testapp and save its Process ID
	./"$TESTCMD" "$start_file_sync" "/proc/cpuinfo" "/proc/cmdline" &
	PID=$!

	# Set LTTng to track this PID and start the tracing
	lttng_track_pid_ok $PID

	start_lttng_tracing_ok

	# Create start file to launch the execution of the workload by the
	# test app
	touch "$start_file_sync"

	wait $PID

	stop_lttng_tracing_ok

	# Clean up the synchronization file
	rm -f "$start_file_sync"
}

function validate_list()
{
	local session_name=$1
	local event_name=$2
	local opt=$3

	out=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list $session_name $opt | grep $event_name)
	if [ -z "$out" ]; then
		fail "Validate syscall listing"
		diag "$event_name not found when listing $session_name (opt $opt)"
	else
		pass "Validate syscall listing. Found $event_name."
	fi
}

function test_syscall_event_list()
{
	local EVENT_NAME="getpid"

	diag "Syscall event listing"

	validate_list "" $EVENT_NAME "-k --syscall"
}

function test_syscall_simple_list()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_simple_list"
	local EVENT_NAME="close"

	diag "Syscall simple listing"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME

	validate_list $SESSION_NAME $EVENT_NAME

	trace_testapp

	# ensure all events are in the trace.
	validate_trace_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH

	# ensure trace only contains those.
	validate_trace_only_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME: -e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_simple_list_two()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_simple_list_two"
	local EVENT_NAME="close"
	local EVENT_NAME2="read"

	diag "Syscall simple listing"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME
	lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME2

	validate_list $SESSION_NAME $EVENT_NAME
	validate_list $SESSION_NAME $EVENT_NAME2

	trace_testapp

	# ensure all events are in the trace.
	validate_trace_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH

	validate_trace_exp "-e syscall_entry_$EVENT_NAME2: -e compat_syscall_entry_$EVENT_NAME2:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_$EVENT_NAME2: -e compat_syscall_exit_$EVENT_NAME2:" $TRACE_PATH

	# ensure trace only contains those.
	validate_trace_only_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME: -e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME: -e syscall_entry_$EVENT_NAME2: -e compat_syscall_entry_$EVENT_NAME2: -e syscall_exit_$EVENT_NAME2: -e compat_syscall_exit_$EVENT_NAME2:" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_single()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_single"

	diag "Syscall trace single"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"

	trace_testapp

	# ensure all events are in the trace.
	validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH

	# ensure trace only contains those.
	validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_two()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_two"

	diag "Syscall trace two events"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
	lttng_enable_kernel_syscall_ok $SESSION_NAME "close"

	trace_testapp

	# ensure all events are in the trace.
	validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH

	# ensure trace only contains those.
	validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat: -e syscall_entry_close: -e compat_syscall_entry_close: -e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_all()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_all"

	diag "Syscall trace all events"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable all syscalls
	lttng_enable_kernel_syscall_ok $SESSION_NAME

	trace_testapp

	# ensure at least open and close are there.
	validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH
	# trace may contain other syscalls.

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_all_disable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_all_disable_one"

	diag "Syscall trace all events and disable one"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable all syscalls
	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# try to disable open system call: fails because enabler semantic of
	# "all syscalls" is not "the open" system call.
	lttng_disable_kernel_syscall_fail $SESSION_NAME "openat"

	trace_testapp

	# ensure "openat" syscall is there.
	validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH

	# ensure "close" syscall is there.
	validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_all_disable_two()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_all_disable_two"

	diag "Syscall trace all events and disable two"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable all syscalls
	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# try to disable open and close system calls: fails because enabler
	# semantic of "all syscalls" is not "the open" system call.
	lttng_disable_kernel_syscall_fail $SESSION_NAME "openat"
	lttng_disable_kernel_syscall_fail $SESSION_NAME "close"

	trace_testapp

	# ensure "openat" syscall is there.
	validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH

	# ensure "close" syscall is there.
	validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH

	# ensure "read" syscall is there.
	validate_trace_exp "-e syscall_entry_read: -e compat_syscall_entry_read:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_read: -e compat_syscall_exit_read:" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_all_disable_all()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_all_disable_all"

	diag "Syscall trace all events and disable all"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable all system calls
	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# disable all system calls
	lttng_disable_kernel_syscall_ok $SESSION_NAME

	trace_testapp

	# ensure nothing has been traced.
	validate_trace_empty $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_all_disable_all_enable_all()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_all_disable_all_enable_all"

	diag "Syscall trace all events and enable/disable all"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable all system calls
	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# disable all system calls
	lttng_disable_kernel_syscall_ok $SESSION_NAME
	# enable all system calls
	lttng_enable_kernel_syscall_ok $SESSION_NAME

	trace_testapp

	# ensure at least open and close are there.
	validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH
	# trace may contain other syscalls.

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_all_enable_one_disable_all()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_all_enable_one_disable_all"

	diag "Syscall trace all events, enable one and disable all"

	create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"

	# enable all syscalls
	lttng_enable_kernel_syscall_ok $SESSION_NAME

	# enable one specific syscall, "openat"
	lttng_enable_kernel_syscall_ok $SESSION_NAME openat

	# disable all syscalls
	lttng_disable_kernel_syscall_ok $SESSION_NAME

	trace_testapp

	# The trace shouldn't contain any syscalls, disable-all should disable
	# even individually specified syscalls
	trace_match_only openat 0 "$TRACE_PATH"

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf "$TRACE_PATH"
}

function test_syscall_enable_one_enable_all_disable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_one_enable_all_disable_one"

	diag "Syscall trace all events and enable/disable one"

	create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"

	# enable one specific syscall, "openat"
	lttng_enable_kernel_syscall_ok $SESSION_NAME openat

	# enable all syscalls
	lttng_enable_kernel_syscall_ok $SESSION_NAME

	# disable one specific syscall, "openat"
	lttng_disable_kernel_syscall_ok $SESSION_NAME openat

	trace_testapp

	# The trace should contain all syscalls, including 'openat' because
	# enable-all overrides individually disabled syscalls.
	validate_trace openat "$TRACE_PATH"

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf "$TRACE_PATH"
}

function test_syscall_enable_one_enable_all_disable_all_disable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_one_enable_all_disable_all_disable_one"

	diag "Syscall trace all events and enable/disable one"

	create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"

	# enable one specific syscall, "openat"
	lttng_enable_kernel_syscall_ok $SESSION_NAME openat

	# enable all syscalls
	lttng_enable_kernel_syscall_ok $SESSION_NAME

	# disable all syscalls
	lttng_disable_kernel_syscall_ok $SESSION_NAME

	# disable one specific syscall, "openat"
	lttng_disable_kernel_syscall_ok $SESSION_NAME openat

	trace_testapp

	# The trace shouldn't contain any syscalls, disable-all should disable
	# even individually specified syscalls
	trace_match_only openat 0 "$TRACE_PATH"

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf "$TRACE_PATH"
}

function test_syscall_enable_all_disable_all_twice()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_all_disable_all_twice"

	diag "Syscall trace all events and enable/disable all twice"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable all system calls
	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# disable all system calls
	lttng_disable_kernel_syscall_ok $SESSION_NAME
	# enable all system calls
	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# disable all system calls
	lttng_disable_kernel_syscall_ok $SESSION_NAME

	trace_testapp

	# ensure nothing has been traced.
	validate_trace_empty $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_one_disable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_one_disable_one"

	diag "Syscall trace one event and disable one"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable open system call
	lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
	# disable open system call
	lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"

	trace_testapp

	# ensure nothing has been traced.
	validate_trace_empty $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_two_disable_two()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_two_disable_two"

	diag "Syscall trace two events and disable two"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable open and close system calls
	lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
	lttng_enable_kernel_syscall_ok $SESSION_NAME "close"
	# disable open and close system calls
	lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"
	lttng_disable_kernel_syscall_ok $SESSION_NAME "close"

	trace_testapp

	# ensure nothing has been traced.
	validate_trace_empty $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_two_disable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_two_disable_one"

	diag "Syscall trace two events and disable one"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# enable open and close system calls
	lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
	lttng_enable_kernel_syscall_ok $SESSION_NAME "close"
	# disable close system call
	lttng_disable_kernel_syscall_ok $SESSION_NAME "close"

	trace_testapp

	# ensure open is there.
	validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
	validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH

	# ensure trace only contains those.
	validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_disable_twice()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_disable_twice"

	diag "Syscall trace one event and disable twice"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
	# First disable will succeed
	lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"
	# Second disable succeeds too, due to enabler semantic.
	lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_disable_all_twice()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_disable_all_twice"

	diag "Syscall trace all events and disable all twice"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# First disable will succeed
	lttng_disable_kernel_syscall_ok $SESSION_NAME
	# Second disable succeeds too, due to enabler semantic.
	lttng_disable_kernel_syscall_ok $SESSION_NAME

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}


function test_syscall_enable_unknown()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_unknown"

	diag "Syscall enable an unknown event"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	# Enabling a syscall that does not exist succeeds, due to enabler
	# semantic.
	lttng_enable_kernel_syscall_ok $SESSION_NAME "thissyscallcannotexist"

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_all_enable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_all_enable_one"

	diag "Syscall enable all and enable one"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME
	# Enabling an event already enabled succeeds, due to enabler semantic.
	lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_disable_all_disable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_all_enable_one"

	diag "Syscall disable all and disable one"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_syscall_ok $SESSION_NAME
	lttng_disable_kernel_syscall_ok $SESSION_NAME
	# Disabling an event already disabled fails.
	lttng_disable_kernel_syscall_fail $SESSION_NAME "openat"

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_channel_disable_all()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_channel_disable_all"
	CHANNEL_NAME="channel"

	diag "Syscall enable channel and disable all"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_channel_ok $SESSION_NAME $CHANNEL_NAME
	# sessiond semantic for "disable all" is to try to match all enalers
	# it knowns about. Disable all succeeds if it finds no match.
	lttng_disable_kernel_syscall_ok $SESSION_NAME "-a" $CHANNEL_NAME

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_syscall_enable_channel_disable_one()
{
	local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_syscall_enable_channel_disable_all"
	CHANNEL_NAME="channel"

	diag "Syscall enable channel and disable one"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_channel_ok $SESSION_NAME $CHANNEL_NAME
	lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" $CHANNEL_NAME

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
{
	lttng_modules_loaded_fail
	validate_lttng_modules_present
	start_lttng_sessiond

	test_syscall_event_list
	test_syscall_simple_list
	test_syscall_simple_list_two
	test_syscall_single
	test_syscall_two
	test_syscall_all
	test_syscall_all_disable_one
	test_syscall_all_disable_two
	test_syscall_enable_all_disable_all
	test_syscall_enable_all_disable_all_enable_all
	test_syscall_enable_all_disable_all_twice
	test_syscall_enable_all_enable_one_disable_all
	test_syscall_enable_one_enable_all_disable_one
	test_syscall_enable_one_enable_all_disable_all_disable_one
	test_syscall_enable_one_disable_one
	test_syscall_enable_two_disable_two
	test_syscall_enable_two_disable_one
	test_syscall_disable_twice
	test_syscall_disable_all_twice
	test_syscall_enable_unknown
	test_syscall_enable_all_enable_one
	test_syscall_disable_all_disable_one
	test_syscall_enable_channel_disable_all
	test_syscall_enable_channel_disable_one

	stop_lttng_sessiond
	lttng_modules_loaded_fail
}