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897b8e23 DG |
1 | /* |
2 | * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
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 | |
7 | * of the License. | |
8 | * | |
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. | |
13 | * | |
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. | |
17 | */ | |
18 | ||
897b8e23 DG |
19 | #include <assert.h> |
20 | #include <errno.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include <time.h> | |
26 | ||
10a8a223 | 27 | #include <bin/lttng-sessiond/trace-kernel.h> |
990570ed | 28 | #include <common/defaults.h> |
10a8a223 | 29 | |
23aaa19e | 30 | #include <tap/tap.h> |
897b8e23 | 31 | |
98612240 MD |
32 | #define RANDOM_STRING_LEN 11 |
33 | ||
23aaa19e | 34 | /* Number of TAP tests in this file */ |
1c0733db | 35 | #define NUM_TESTS 11 |
23aaa19e | 36 | |
ad7c9c18 | 37 | /* For error.h */ |
97e19046 DG |
38 | int lttng_opt_quiet = 1; |
39 | int lttng_opt_verbose; | |
c7e35b03 | 40 | int lttng_opt_mi; |
7972aab2 | 41 | |
897b8e23 DG |
42 | static const char alphanum[] = |
43 | "0123456789" | |
44 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
45 | "abcdefghijklmnopqrstuvwxyz"; | |
46 | ||
47 | static struct ltt_kernel_session *kern; | |
98612240 | 48 | static char random_string[RANDOM_STRING_LEN]; |
897b8e23 DG |
49 | |
50 | /* | |
51 | * Return random string of 10 characters. | |
98612240 | 52 | * Not thread-safe. |
897b8e23 DG |
53 | */ |
54 | static char *get_random_string(void) | |
55 | { | |
56 | int i; | |
897b8e23 | 57 | |
98612240 MD |
58 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
59 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
897b8e23 DG |
60 | } |
61 | ||
98612240 | 62 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
897b8e23 | 63 | |
98612240 | 64 | return random_string; |
897b8e23 DG |
65 | } |
66 | ||
23aaa19e | 67 | static void test_create_one_kernel_session(void) |
897b8e23 | 68 | { |
dec56f6c | 69 | kern = trace_kernel_create_session(); |
23aaa19e | 70 | ok(kern != NULL, "Create kernel session"); |
897b8e23 | 71 | |
84a7eb73 JR |
72 | if (!kern) { |
73 | skip(1, "Kernel session is null"); | |
74 | return; | |
75 | } | |
23aaa19e CB |
76 | ok(kern->fd == -1 && |
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"); | |
897b8e23 DG |
83 | } |
84 | ||
23aaa19e | 85 | static void test_create_kernel_metadata(void) |
897b8e23 DG |
86 | { |
87 | assert(kern != NULL); | |
88 | ||
a4b92340 | 89 | kern->metadata = trace_kernel_create_metadata(); |
23aaa19e CB |
90 | ok(kern->metadata != NULL, "Create kernel metadata"); |
91 | ||
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 | |
5d2e1e66 | 101 | == DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER && |
23aaa19e | 102 | kern->metadata->conf->attr.read_timer_interval |
5d2e1e66 | 103 | == DEFAULT_KERNEL_CHANNEL_READ_TIMER && |
23aaa19e CB |
104 | kern->metadata->conf->attr.output |
105 | == DEFAULT_KERNEL_CHANNEL_OUTPUT, | |
106 | "Validate kernel session metadata"); | |
897b8e23 | 107 | |
3f43a221 | 108 | trace_kernel_destroy_metadata(kern->metadata); |
897b8e23 DG |
109 | } |
110 | ||
23aaa19e | 111 | static void test_create_kernel_channel(void) |
897b8e23 DG |
112 | { |
113 | struct ltt_kernel_channel *chan; | |
114 | struct lttng_channel attr; | |
63aaa3dc | 115 | struct lttng_channel_extended extended; |
897b8e23 | 116 | |
441c16a7 | 117 | memset(&attr, 0, sizeof(attr)); |
63aaa3dc JG |
118 | memset(&extended, 0, sizeof(extended)); |
119 | attr.attr.extended.ptr = &extended; | |
441c16a7 | 120 | |
fdd9eb17 | 121 | chan = trace_kernel_create_channel(&attr); |
23aaa19e | 122 | ok(chan != NULL, "Create kernel channel"); |
897b8e23 | 123 | |
84a7eb73 JR |
124 | if (!chan) { |
125 | skip(1, "Channel is null"); | |
126 | return; | |
127 | } | |
128 | ||
23aaa19e CB |
129 | ok(chan->fd == -1 && |
130 | chan->enabled == 1 && | |
131 | chan->stream_count == 0 && | |
23aaa19e CB |
132 | chan->channel->attr.overwrite == attr.attr.overwrite, |
133 | "Validate kernel channel"); | |
897b8e23 DG |
134 | |
135 | /* Init list in order to avoid sefaults from cds_list_del */ | |
136 | CDS_INIT_LIST_HEAD(&chan->list); | |
3f43a221 | 137 | trace_kernel_destroy_channel(chan); |
897b8e23 DG |
138 | } |
139 | ||
23aaa19e | 140 | static void test_create_kernel_event(void) |
897b8e23 | 141 | { |
71a3bb01 | 142 | enum lttng_error_code ret; |
897b8e23 DG |
143 | struct ltt_kernel_event *event; |
144 | struct lttng_event ev; | |
145 | ||
441c16a7 | 146 | memset(&ev, 0, sizeof(ev)); |
72265d8a | 147 | ok(!lttng_strncpy(ev.name, get_random_string(), |
1c0733db MD |
148 | LTTNG_KERNEL_SYM_NAME_LEN), |
149 | "Validate string length"); | |
897b8e23 | 150 | ev.type = LTTNG_EVENT_TRACEPOINT; |
441c16a7 | 151 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
897b8e23 | 152 | |
71a3bb01 FD |
153 | ret = trace_kernel_create_event(&ev, NULL, NULL, &event); |
154 | ok(ret == LTTNG_OK, "Create kernel event"); | |
897b8e23 | 155 | |
84a7eb73 JR |
156 | if (!event) { |
157 | skip(1, "Event is null"); | |
158 | return; | |
159 | } | |
160 | ||
23aaa19e CB |
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"); | |
897b8e23 DG |
166 | |
167 | /* Init list in order to avoid sefaults from cds_list_del */ | |
168 | CDS_INIT_LIST_HEAD(&event->list); | |
3f43a221 | 169 | trace_kernel_destroy_event(event); |
897b8e23 DG |
170 | } |
171 | ||
23aaa19e | 172 | static void test_create_kernel_stream(void) |
897b8e23 DG |
173 | { |
174 | struct ltt_kernel_stream *stream; | |
175 | ||
00e2e675 | 176 | stream = trace_kernel_create_stream("stream1", 0); |
23aaa19e | 177 | ok(stream != NULL, "Create kernel stream"); |
897b8e23 | 178 | |
84a7eb73 JR |
179 | if (!stream) { |
180 | skip(1, "Stream is null"); | |
181 | return; | |
182 | } | |
183 | ||
23aaa19e CB |
184 | ok(stream->fd == -1 && |
185 | stream->state == 0, | |
186 | "Validate kernel stream"); | |
897b8e23 DG |
187 | |
188 | /* Init list in order to avoid sefaults from cds_list_del */ | |
189 | CDS_INIT_LIST_HEAD(&stream->list); | |
3f43a221 | 190 | trace_kernel_destroy_stream(stream); |
897b8e23 DG |
191 | } |
192 | ||
193 | int main(int argc, char **argv) | |
194 | { | |
23aaa19e | 195 | plan_tests(NUM_TESTS); |
897b8e23 | 196 | |
e3bef725 CB |
197 | diag("Kernel data structure unit test"); |
198 | ||
23aaa19e CB |
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(); | |
897b8e23 DG |
204 | |
205 | /* Success */ | |
206 | return 0; | |
207 | } |