2 * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
4 * SPDX-License-Identifier: GPL-2.0-only
14 #include <common/compat/errno.h>
15 #include <bin/lttng-sessiond/trace-kernel.h>
16 #include <common/defaults.h>
20 #define RANDOM_STRING_LEN 11
22 /* Number of TAP tests in this file */
25 #ifdef HAVE_LIBLTTNG_UST_CTL
26 #include <lttng/ust-sigbus.h>
27 DEFINE_LTTNG_UST_SIGBUS_STATE();
30 static const char alphanum
[] =
32 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
33 "abcdefghijklmnopqrstuvwxyz";
35 static struct ltt_kernel_session
*kern
;
36 static char random_string
[RANDOM_STRING_LEN
];
39 * Return random string of 10 characters.
42 static char *get_random_string(void)
46 for (i
= 0; i
< RANDOM_STRING_LEN
- 1; i
++) {
47 random_string
[i
] = alphanum
[rand() % (sizeof(alphanum
) - 1)];
50 random_string
[RANDOM_STRING_LEN
- 1] = '\0';
55 static void test_create_one_kernel_session(void)
57 kern
= trace_kernel_create_session();
58 ok(kern
!= NULL
, "Create kernel session");
61 skip(1, "Kernel session is null");
65 kern
->metadata_stream_fd
== -1 &&
66 kern
->consumer_fds_sent
== 0 &&
67 kern
->channel_count
== 0 &&
68 kern
->stream_count_global
== 0 &&
69 kern
->metadata
== NULL
,
70 "Validate kernel session");
73 static void test_create_kernel_metadata(void)
75 LTTNG_ASSERT(kern
!= NULL
);
77 kern
->metadata
= trace_kernel_create_metadata();
78 ok(kern
->metadata
!= NULL
, "Create kernel metadata");
80 ok(kern
->metadata
->fd
== -1 &&
81 kern
->metadata
->conf
!= NULL
&&
82 kern
->metadata
->conf
->attr
.overwrite
83 == DEFAULT_METADATA_OVERWRITE
&&
84 kern
->metadata
->conf
->attr
.subbuf_size
85 == default_get_metadata_subbuf_size() &&
86 kern
->metadata
->conf
->attr
.num_subbuf
87 == DEFAULT_METADATA_SUBBUF_NUM
&&
88 kern
->metadata
->conf
->attr
.switch_timer_interval
89 == DEFAULT_METADATA_SWITCH_TIMER
&&
90 kern
->metadata
->conf
->attr
.read_timer_interval
91 == DEFAULT_METADATA_READ_TIMER
&&
92 kern
->metadata
->conf
->attr
.output
94 "Validate kernel session metadata");
96 trace_kernel_destroy_metadata(kern
->metadata
);
99 static void test_create_kernel_channel(void)
101 struct ltt_kernel_channel
*chan
;
102 struct lttng_channel attr
;
103 struct lttng_channel_extended extended
;
105 memset(&attr
, 0, sizeof(attr
));
106 memset(&extended
, 0, sizeof(extended
));
107 attr
.attr
.extended
.ptr
= &extended
;
109 chan
= trace_kernel_create_channel(&attr
);
110 ok(chan
!= NULL
, "Create kernel channel");
113 skip(1, "Channel is null");
118 chan
->enabled
== 1 &&
119 chan
->stream_count
== 0 &&
120 chan
->channel
->attr
.overwrite
== attr
.attr
.overwrite
,
121 "Validate kernel channel");
123 /* Init list in order to avoid sefaults from cds_list_del */
124 CDS_INIT_LIST_HEAD(&chan
->list
);
125 trace_kernel_destroy_channel(chan
);
128 static void test_create_kernel_event(void)
130 enum lttng_error_code ret
;
131 struct ltt_kernel_event
*event
;
132 struct lttng_event ev
;
134 memset(&ev
, 0, sizeof(ev
));
135 ok(!lttng_strncpy(ev
.name
, get_random_string(),
137 "Validate string length");
138 ev
.type
= LTTNG_EVENT_TRACEPOINT
;
139 ev
.loglevel_type
= LTTNG_EVENT_LOGLEVEL_ALL
;
141 ret
= trace_kernel_create_event(&ev
, NULL
, NULL
, &event
);
142 ok(ret
== LTTNG_OK
, "Create kernel event");
145 skip(1, "Event is null");
149 ok(event
->fd
== -1 &&
150 event
->enabled
== 1 &&
151 event
->event
->instrumentation
== LTTNG_KERNEL_ABI_TRACEPOINT
&&
152 strlen(event
->event
->name
),
153 "Validate kernel event");
155 /* Init list in order to avoid sefaults from cds_list_del */
156 CDS_INIT_LIST_HEAD(&event
->list
);
157 trace_kernel_destroy_event(event
);
160 static void test_create_kernel_stream(void)
162 struct ltt_kernel_stream
*stream
;
164 stream
= trace_kernel_create_stream("stream1", 0);
165 ok(stream
!= NULL
, "Create kernel stream");
168 skip(1, "Stream is null");
172 ok(stream
->fd
== -1 &&
174 "Validate kernel stream");
176 /* Init list in order to avoid sefaults from cds_list_del */
177 CDS_INIT_LIST_HEAD(&stream
->list
);
178 trace_kernel_destroy_stream(stream
);
181 int main(int argc
, char **argv
)
183 plan_tests(NUM_TESTS
);
185 diag("Kernel data structure unit test");
187 test_create_one_kernel_session();
188 test_create_kernel_metadata();
189 test_create_kernel_channel();
190 test_create_kernel_event();
191 test_create_kernel_stream();
193 return exit_status();