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 int ust_consumerd32_fd
;
43 int ust_consumerd64_fd
;
45 static const char alphanum
[] =
47 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
48 "abcdefghijklmnopqrstuvwxyz";
50 static struct ltt_kernel_session
*kern
;
51 static char random_string
[RANDOM_STRING_LEN
];
54 * Return random string of 10 characters.
57 static char *get_random_string(void)
61 for (i
= 0; i
< RANDOM_STRING_LEN
- 1; i
++) {
62 random_string
[i
] = alphanum
[rand() % (sizeof(alphanum
) - 1)];
65 random_string
[RANDOM_STRING_LEN
- 1] = '\0';
70 static void test_create_one_kernel_session(void)
72 kern
= trace_kernel_create_session();
73 ok(kern
!= NULL
, "Create kernel session");
76 kern
->metadata_stream_fd
== -1 &&
77 kern
->consumer_fds_sent
== 0 &&
78 kern
->channel_count
== 0 &&
79 kern
->stream_count_global
== 0 &&
80 kern
->metadata
== NULL
,
81 "Validate kernel session");
84 static void test_create_kernel_metadata(void)
88 kern
->metadata
= trace_kernel_create_metadata();
89 ok(kern
->metadata
!= NULL
, "Create kernel metadata");
91 ok(kern
->metadata
->fd
== -1 &&
92 kern
->metadata
->conf
!= NULL
&&
93 kern
->metadata
->conf
->attr
.overwrite
94 == DEFAULT_CHANNEL_OVERWRITE
&&
95 kern
->metadata
->conf
->attr
.subbuf_size
96 == default_get_metadata_subbuf_size() &&
97 kern
->metadata
->conf
->attr
.num_subbuf
98 == DEFAULT_METADATA_SUBBUF_NUM
&&
99 kern
->metadata
->conf
->attr
.switch_timer_interval
100 == DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
&&
101 kern
->metadata
->conf
->attr
.read_timer_interval
102 == DEFAULT_KERNEL_CHANNEL_READ_TIMER
&&
103 kern
->metadata
->conf
->attr
.output
104 == DEFAULT_KERNEL_CHANNEL_OUTPUT
,
105 "Validate kernel session metadata");
107 trace_kernel_destroy_metadata(kern
->metadata
);
110 static void test_create_kernel_channel(void)
112 struct ltt_kernel_channel
*chan
;
113 struct lttng_channel attr
;
115 memset(&attr
, 0, sizeof(attr
));
117 chan
= trace_kernel_create_channel(&attr
);
118 ok(chan
!= NULL
, "Create kernel channel");
121 chan
->enabled
== 1 &&
122 chan
->stream_count
== 0 &&
123 chan
->channel
->attr
.overwrite
== attr
.attr
.overwrite
,
124 "Validate kernel channel");
126 /* Init list in order to avoid sefaults from cds_list_del */
127 CDS_INIT_LIST_HEAD(&chan
->list
);
128 trace_kernel_destroy_channel(chan
);
131 static void test_create_kernel_event(void)
133 struct ltt_kernel_event
*event
;
134 struct lttng_event ev
;
136 memset(&ev
, 0, sizeof(ev
));
137 ok(!lttng_strncpy(ev
.name
, get_random_string(),
138 LTTNG_KERNEL_SYM_NAME_LEN
),
139 "Validate string length");
140 ev
.type
= LTTNG_EVENT_TRACEPOINT
;
141 ev
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
143 event
= trace_kernel_create_event(&ev
, NULL
, NULL
);
144 ok(event
!= NULL
, "Create kernel event");
146 ok(event
->fd
== -1 &&
147 event
->enabled
== 1 &&
148 event
->event
->instrumentation
== LTTNG_KERNEL_TRACEPOINT
&&
149 strlen(event
->event
->name
),
150 "Validate kernel event");
152 /* Init list in order to avoid sefaults from cds_list_del */
153 CDS_INIT_LIST_HEAD(&event
->list
);
154 trace_kernel_destroy_event(event
);
157 static void test_create_kernel_stream(void)
159 struct ltt_kernel_stream
*stream
;
161 stream
= trace_kernel_create_stream("stream1", 0);
162 ok(stream
!= NULL
, "Create kernel stream");
164 ok(stream
->fd
== -1 &&
166 "Validate kernel stream");
168 /* Init list in order to avoid sefaults from cds_list_del */
169 CDS_INIT_LIST_HEAD(&stream
->list
);
170 trace_kernel_destroy_stream(stream
);
173 int main(int argc
, char **argv
)
175 plan_tests(NUM_TESTS
);
177 diag("Kernel data structure unit test");
179 test_create_one_kernel_session();
180 test_create_kernel_metadata();
181 test_create_kernel_channel();
182 test_create_kernel_event();
183 test_create_kernel_stream();