2 * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * as published by the Free Software Foundation; only version 2
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 #include <bin/lttng-sessiond/trace-kernel.h>
28 #include <common/defaults.h>
32 #define RANDOM_STRING_LEN 11
34 /* Number of TAP tests in this file */
38 int lttng_opt_quiet
= 1;
39 int lttng_opt_verbose
;
42 static const char alphanum
[] =
44 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
45 "abcdefghijklmnopqrstuvwxyz";
47 static struct ltt_kernel_session
*kern
;
48 static char random_string
[RANDOM_STRING_LEN
];
51 * Return random string of 10 characters.
54 static char *get_random_string(void)
58 for (i
= 0; i
< RANDOM_STRING_LEN
- 1; i
++) {
59 random_string
[i
] = alphanum
[rand() % (sizeof(alphanum
) - 1)];
62 random_string
[RANDOM_STRING_LEN
- 1] = '\0';
67 static void test_create_one_kernel_session(void)
69 kern
= trace_kernel_create_session();
70 ok(kern
!= NULL
, "Create kernel session");
73 skip(1, "Kernel session is null");
77 kern
->metadata_stream_fd
== -1 &&
78 kern
->consumer_fds_sent
== 0 &&
79 kern
->channel_count
== 0 &&
80 kern
->stream_count_global
== 0 &&
81 kern
->metadata
== NULL
,
82 "Validate kernel session");
85 static void test_create_kernel_metadata(void)
89 kern
->metadata
= trace_kernel_create_metadata();
90 ok(kern
->metadata
!= NULL
, "Create kernel metadata");
92 ok(kern
->metadata
->fd
== -1 &&
93 kern
->metadata
->conf
!= NULL
&&
94 kern
->metadata
->conf
->attr
.overwrite
95 == DEFAULT_CHANNEL_OVERWRITE
&&
96 kern
->metadata
->conf
->attr
.subbuf_size
97 == default_get_metadata_subbuf_size() &&
98 kern
->metadata
->conf
->attr
.num_subbuf
99 == DEFAULT_METADATA_SUBBUF_NUM
&&
100 kern
->metadata
->conf
->attr
.switch_timer_interval
101 == DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
&&
102 kern
->metadata
->conf
->attr
.read_timer_interval
103 == DEFAULT_KERNEL_CHANNEL_READ_TIMER
&&
104 kern
->metadata
->conf
->attr
.output
105 == DEFAULT_KERNEL_CHANNEL_OUTPUT
,
106 "Validate kernel session metadata");
108 trace_kernel_destroy_metadata(kern
->metadata
);
111 static void test_create_kernel_channel(void)
113 struct ltt_kernel_channel
*chan
;
114 struct lttng_channel attr
;
115 struct lttng_channel_extended extended
;
117 memset(&attr
, 0, sizeof(attr
));
118 memset(&extended
, 0, sizeof(extended
));
119 attr
.attr
.extended
.ptr
= &extended
;
121 chan
= trace_kernel_create_channel(&attr
);
122 ok(chan
!= NULL
, "Create kernel channel");
125 skip(1, "Channel is null");
130 chan
->enabled
== 1 &&
131 chan
->stream_count
== 0 &&
132 chan
->channel
->attr
.overwrite
== attr
.attr
.overwrite
,
133 "Validate kernel channel");
135 /* Init list in order to avoid sefaults from cds_list_del */
136 CDS_INIT_LIST_HEAD(&chan
->list
);
137 trace_kernel_destroy_channel(chan
);
140 static void test_create_kernel_event(void)
142 enum lttng_error_code ret
;
143 struct ltt_kernel_event
*event
;
144 struct lttng_event ev
;
146 memset(&ev
, 0, sizeof(ev
));
147 ok(!lttng_strncpy(ev
.name
, get_random_string(),
148 LTTNG_KERNEL_SYM_NAME_LEN
),
149 "Validate string length");
150 ev
.type
= LTTNG_EVENT_TRACEPOINT
;
151 ev
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
153 ret
= trace_kernel_create_event(&ev
, NULL
, NULL
, &event
);
154 ok(ret
== LTTNG_OK
, "Create kernel event");
157 skip(1, "Event is null");
161 ok(event
->fd
== -1 &&
162 event
->enabled
== 1 &&
163 event
->event
->instrumentation
== LTTNG_KERNEL_TRACEPOINT
&&
164 strlen(event
->event
->name
),
165 "Validate kernel event");
167 /* Init list in order to avoid sefaults from cds_list_del */
168 CDS_INIT_LIST_HEAD(&event
->list
);
169 trace_kernel_destroy_event(event
);
172 static void test_create_kernel_stream(void)
174 struct ltt_kernel_stream
*stream
;
176 stream
= trace_kernel_create_stream("stream1", 0);
177 ok(stream
!= NULL
, "Create kernel stream");
180 skip(1, "Stream is null");
184 ok(stream
->fd
== -1 &&
186 "Validate kernel stream");
188 /* Init list in order to avoid sefaults from cds_list_del */
189 CDS_INIT_LIST_HEAD(&stream
->list
);
190 trace_kernel_destroy_stream(stream
);
193 int main(int argc
, char **argv
)
195 plan_tests(NUM_TESTS
);
197 diag("Kernel data structure unit test");
199 test_create_one_kernel_session();
200 test_create_kernel_metadata();
201 test_create_kernel_channel();
202 test_create_kernel_event();
203 test_create_kernel_stream();