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.
28 #include <bin/lttng-sessiond/trace-kernel.h>
29 #include <common/defaults.h>
33 /* This path will NEVER be created in this test */
34 #define PATH1 "/tmp/.test-junk-lttng"
36 #define RANDOM_STRING_LEN 11
38 /* Number of TAP tests in this file */
42 int lttng_opt_quiet
= 1;
43 int lttng_opt_verbose
;
45 int ust_consumerd32_fd
;
46 int ust_consumerd64_fd
;
48 static const char alphanum
[] =
50 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
51 "abcdefghijklmnopqrstuvwxyz";
53 static struct ltt_kernel_session
*kern
;
54 static char random_string
[RANDOM_STRING_LEN
];
57 * Return random string of 10 characters.
60 static char *get_random_string(void)
64 for (i
= 0; i
< RANDOM_STRING_LEN
- 1; i
++) {
65 random_string
[i
] = alphanum
[rand() % (sizeof(alphanum
) - 1)];
68 random_string
[RANDOM_STRING_LEN
- 1] = '\0';
73 static void test_create_one_kernel_session(void)
75 kern
= trace_kernel_create_session(PATH1
);
76 ok(kern
!= NULL
, "Create kernel session");
79 kern
->metadata_stream_fd
== -1 &&
80 kern
->consumer_fds_sent
== 0 &&
81 kern
->channel_count
== 0 &&
82 kern
->stream_count_global
== 0 &&
83 kern
->metadata
== NULL
,
84 "Validate kernel session");
86 /* Init list in order to avoid sefaults from cds_list_del */
87 trace_kernel_destroy_session(kern
);
90 static void test_create_kernel_metadata(void)
94 kern
->metadata
= trace_kernel_create_metadata();
95 ok(kern
->metadata
!= NULL
, "Create kernel metadata");
97 ok(kern
->metadata
->fd
== -1 &&
98 kern
->metadata
->conf
!= NULL
&&
99 kern
->metadata
->conf
->attr
.overwrite
100 == DEFAULT_CHANNEL_OVERWRITE
&&
101 kern
->metadata
->conf
->attr
.subbuf_size
102 == default_get_metadata_subbuf_size() &&
103 kern
->metadata
->conf
->attr
.num_subbuf
104 == DEFAULT_METADATA_SUBBUF_NUM
&&
105 kern
->metadata
->conf
->attr
.switch_timer_interval
106 == DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
&&
107 kern
->metadata
->conf
->attr
.read_timer_interval
108 == DEFAULT_KERNEL_CHANNEL_READ_TIMER
&&
109 kern
->metadata
->conf
->attr
.output
110 == DEFAULT_KERNEL_CHANNEL_OUTPUT
,
111 "Validate kernel session metadata");
113 trace_kernel_destroy_metadata(kern
->metadata
);
116 static void test_create_kernel_channel(void)
118 struct ltt_kernel_channel
*chan
;
119 struct lttng_channel attr
;
121 memset(&attr
, 0, sizeof(attr
));
123 chan
= trace_kernel_create_channel(&attr
);
124 ok(chan
!= NULL
, "Create kernel channel");
127 chan
->enabled
== 1 &&
128 chan
->stream_count
== 0 &&
130 chan
->channel
->attr
.overwrite
== attr
.attr
.overwrite
,
131 "Validate kernel channel");
133 /* Init list in order to avoid sefaults from cds_list_del */
134 CDS_INIT_LIST_HEAD(&chan
->list
);
135 trace_kernel_destroy_channel(chan
);
138 static void test_create_kernel_event(void)
140 struct ltt_kernel_event
*event
;
141 struct lttng_event ev
;
143 memset(&ev
, 0, sizeof(ev
));
144 strncpy(ev
.name
, get_random_string(), LTTNG_KERNEL_SYM_NAME_LEN
);
145 ev
.type
= LTTNG_EVENT_TRACEPOINT
;
146 ev
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
148 event
= trace_kernel_create_event(&ev
);
149 ok(event
!= NULL
, "Create kernel event");
151 ok(event
->fd
== -1 &&
152 event
->enabled
== 1 &&
153 event
->event
->instrumentation
== LTTNG_KERNEL_TRACEPOINT
&&
154 strlen(event
->event
->name
),
155 "Validate kernel event");
157 /* Init list in order to avoid sefaults from cds_list_del */
158 CDS_INIT_LIST_HEAD(&event
->list
);
159 trace_kernel_destroy_event(event
);
162 static void test_create_kernel_stream(void)
164 struct ltt_kernel_stream
*stream
;
166 stream
= trace_kernel_create_stream("stream1", 0);
167 ok(stream
!= NULL
, "Create kernel stream");
169 ok(stream
->fd
== -1 &&
171 "Validate kernel stream");
173 /* Init list in order to avoid sefaults from cds_list_del */
174 CDS_INIT_LIST_HEAD(&stream
->list
);
175 trace_kernel_destroy_stream(stream
);
178 int main(int argc
, char **argv
)
180 diag("Kernel data structure unit test");
182 plan_tests(NUM_TESTS
);
184 test_create_one_kernel_session();
185 test_create_kernel_metadata();
186 test_create_kernel_channel();
187 test_create_kernel_event();
188 test_create_kernel_stream();