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>
21 #define RANDOM_STRING_LEN 11
23 /* Number of TAP tests in this file */
26 static const char alphanum
[] =
28 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
29 "abcdefghijklmnopqrstuvwxyz";
31 static struct ltt_kernel_session
*kern
;
32 static char random_string
[RANDOM_STRING_LEN
];
35 * Return random string of 10 characters.
38 static char *get_random_string(void)
42 for (i
= 0; i
< RANDOM_STRING_LEN
- 1; i
++) {
43 random_string
[i
] = alphanum
[rand() % (sizeof(alphanum
) - 1)];
46 random_string
[RANDOM_STRING_LEN
- 1] = '\0';
51 static void test_create_one_kernel_session(void)
53 kern
= trace_kernel_create_session();
54 ok(kern
!= NULL
, "Create kernel session");
57 skip(1, "Kernel session is null");
61 kern
->metadata_stream_fd
== -1 &&
62 kern
->consumer_fds_sent
== 0 &&
63 kern
->channel_count
== 0 &&
64 kern
->stream_count_global
== 0 &&
65 kern
->metadata
== NULL
,
66 "Validate kernel session");
69 static void test_create_kernel_metadata(void)
73 kern
->metadata
= trace_kernel_create_metadata();
74 ok(kern
->metadata
!= NULL
, "Create kernel metadata");
76 ok(kern
->metadata
->fd
== -1 &&
77 kern
->metadata
->conf
!= NULL
&&
78 kern
->metadata
->conf
->attr
.overwrite
79 == DEFAULT_METADATA_OVERWRITE
&&
80 kern
->metadata
->conf
->attr
.subbuf_size
81 == default_get_metadata_subbuf_size() &&
82 kern
->metadata
->conf
->attr
.num_subbuf
83 == DEFAULT_METADATA_SUBBUF_NUM
&&
84 kern
->metadata
->conf
->attr
.switch_timer_interval
85 == DEFAULT_METADATA_SWITCH_TIMER
&&
86 kern
->metadata
->conf
->attr
.read_timer_interval
87 == DEFAULT_METADATA_READ_TIMER
&&
88 kern
->metadata
->conf
->attr
.output
90 "Validate kernel session metadata");
92 trace_kernel_destroy_metadata(kern
->metadata
);
95 static void test_create_kernel_channel(void)
97 struct ltt_kernel_channel
*chan
;
98 struct lttng_channel attr
;
99 struct lttng_channel_extended extended
;
101 memset(&attr
, 0, sizeof(attr
));
102 memset(&extended
, 0, sizeof(extended
));
103 attr
.attr
.extended
.ptr
= &extended
;
105 chan
= trace_kernel_create_channel(&attr
);
106 ok(chan
!= NULL
, "Create kernel channel");
109 skip(1, "Channel is null");
114 chan
->enabled
== 1 &&
115 chan
->stream_count
== 0 &&
116 chan
->channel
->attr
.overwrite
== attr
.attr
.overwrite
,
117 "Validate kernel channel");
119 /* Init list in order to avoid sefaults from cds_list_del */
120 CDS_INIT_LIST_HEAD(&chan
->list
);
121 trace_kernel_destroy_channel(chan
);
124 static void test_create_kernel_event(void)
126 enum lttng_error_code ret
;
127 struct ltt_kernel_event
*event
;
128 struct lttng_event ev
;
130 memset(&ev
, 0, sizeof(ev
));
131 ok(!lttng_strncpy(ev
.name
, get_random_string(),
133 "Validate string length");
134 ev
.type
= LTTNG_EVENT_TRACEPOINT
;
135 ev
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
137 ret
= trace_kernel_create_event(&ev
, NULL
, NULL
, &event
);
138 ok(ret
== LTTNG_OK
, "Create kernel event");
141 skip(1, "Event is null");
145 ok(event
->fd
== -1 &&
146 event
->enabled
== 1 &&
147 event
->event
->instrumentation
== LTTNG_KERNEL_ABI_TRACEPOINT
&&
148 strlen(event
->event
->name
),
149 "Validate kernel event");
151 /* Init list in order to avoid sefaults from cds_list_del */
152 CDS_INIT_LIST_HEAD(&event
->list
);
153 trace_kernel_destroy_event(event
);
156 static void test_create_kernel_stream(void)
158 struct ltt_kernel_stream
*stream
;
160 stream
= trace_kernel_create_stream("stream1", 0);
161 ok(stream
!= NULL
, "Create kernel stream");
164 skip(1, "Stream is null");
168 ok(stream
->fd
== -1 &&
170 "Validate kernel stream");
172 /* Init list in order to avoid sefaults from cds_list_del */
173 CDS_INIT_LIST_HEAD(&stream
->list
);
174 trace_kernel_destroy_stream(stream
);
177 int main(int argc
, char **argv
)
179 plan_tests(NUM_TESTS
);
181 diag("Kernel data structure unit test");
183 test_create_one_kernel_session();
184 test_create_kernel_metadata();
185 test_create_kernel_channel();
186 test_create_kernel_event();
187 test_create_kernel_stream();
189 return exit_status();