2 * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
4 * SPDX-License-Identifier: GPL-2.0-only
15 #include <common/compat/errno.h>
16 #include <bin/lttng-sessiond/trace-kernel.h>
17 #include <common/defaults.h>
18 #include <lttng/ust-sigbus.h>
22 #define RANDOM_STRING_LEN 11
24 /* Number of TAP tests in this file */
27 DEFINE_LTTNG_UST_SIGBUS_STATE();
29 static const char alphanum
[] =
31 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
32 "abcdefghijklmnopqrstuvwxyz";
34 static struct ltt_kernel_session
*kern
;
35 static char random_string
[RANDOM_STRING_LEN
];
38 * Return random string of 10 characters.
41 static char *get_random_string(void)
45 for (i
= 0; i
< RANDOM_STRING_LEN
- 1; i
++) {
46 random_string
[i
] = alphanum
[rand() % (sizeof(alphanum
) - 1)];
49 random_string
[RANDOM_STRING_LEN
- 1] = '\0';
54 static void test_create_one_kernel_session(void)
56 kern
= trace_kernel_create_session();
57 ok(kern
!= NULL
, "Create kernel session");
60 skip(1, "Kernel session is null");
64 kern
->metadata_stream_fd
== -1 &&
65 kern
->consumer_fds_sent
== 0 &&
66 kern
->channel_count
== 0 &&
67 kern
->stream_count_global
== 0 &&
68 kern
->metadata
== NULL
,
69 "Validate kernel session");
72 static void test_create_kernel_metadata(void)
76 kern
->metadata
= trace_kernel_create_metadata();
77 ok(kern
->metadata
!= NULL
, "Create kernel metadata");
79 ok(kern
->metadata
->fd
== -1 &&
80 kern
->metadata
->conf
!= NULL
&&
81 kern
->metadata
->conf
->attr
.overwrite
82 == DEFAULT_METADATA_OVERWRITE
&&
83 kern
->metadata
->conf
->attr
.subbuf_size
84 == default_get_metadata_subbuf_size() &&
85 kern
->metadata
->conf
->attr
.num_subbuf
86 == DEFAULT_METADATA_SUBBUF_NUM
&&
87 kern
->metadata
->conf
->attr
.switch_timer_interval
88 == DEFAULT_METADATA_SWITCH_TIMER
&&
89 kern
->metadata
->conf
->attr
.read_timer_interval
90 == DEFAULT_METADATA_READ_TIMER
&&
91 kern
->metadata
->conf
->attr
.output
93 "Validate kernel session metadata");
95 trace_kernel_destroy_metadata(kern
->metadata
);
98 static void test_create_kernel_channel(void)
100 struct ltt_kernel_channel
*chan
;
101 struct lttng_channel attr
;
102 struct lttng_channel_extended extended
;
104 memset(&attr
, 0, sizeof(attr
));
105 memset(&extended
, 0, sizeof(extended
));
106 attr
.attr
.extended
.ptr
= &extended
;
108 chan
= trace_kernel_create_channel(&attr
);
109 ok(chan
!= NULL
, "Create kernel channel");
112 skip(1, "Channel is null");
117 chan
->enabled
== 1 &&
118 chan
->stream_count
== 0 &&
119 chan
->channel
->attr
.overwrite
== attr
.attr
.overwrite
,
120 "Validate kernel channel");
122 /* Init list in order to avoid sefaults from cds_list_del */
123 CDS_INIT_LIST_HEAD(&chan
->list
);
124 trace_kernel_destroy_channel(chan
);
127 static void test_create_kernel_event(void)
129 enum lttng_error_code ret
;
130 struct ltt_kernel_event
*event
;
131 struct lttng_event ev
;
133 memset(&ev
, 0, sizeof(ev
));
134 ok(!lttng_strncpy(ev
.name
, get_random_string(),
136 "Validate string length");
137 ev
.type
= LTTNG_EVENT_TRACEPOINT
;
138 ev
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
140 ret
= trace_kernel_create_event(&ev
, NULL
, NULL
, &event
);
141 ok(ret
== LTTNG_OK
, "Create kernel event");
144 skip(1, "Event is null");
148 ok(event
->fd
== -1 &&
149 event
->enabled
== 1 &&
150 event
->event
->instrumentation
== LTTNG_KERNEL_ABI_TRACEPOINT
&&
151 strlen(event
->event
->name
),
152 "Validate kernel event");
154 /* Init list in order to avoid sefaults from cds_list_del */
155 CDS_INIT_LIST_HEAD(&event
->list
);
156 trace_kernel_destroy_event(event
);
159 static void test_create_kernel_stream(void)
161 struct ltt_kernel_stream
*stream
;
163 stream
= trace_kernel_create_stream("stream1", 0);
164 ok(stream
!= NULL
, "Create kernel stream");
167 skip(1, "Stream is null");
171 ok(stream
->fd
== -1 &&
173 "Validate kernel stream");
175 /* Init list in order to avoid sefaults from cds_list_del */
176 CDS_INIT_LIST_HEAD(&stream
->list
);
177 trace_kernel_destroy_stream(stream
);
180 int main(int argc
, char **argv
)
182 plan_tests(NUM_TESTS
);
184 diag("Kernel data structure unit test");
186 test_create_one_kernel_session();
187 test_create_kernel_metadata();
188 test_create_kernel_channel();
189 test_create_kernel_event();
190 test_create_kernel_stream();
192 return exit_status();