Fix: tests: register thread for RCU operations.
[lttng-tools.git] / tests / unit / test_ust_data.c
CommitLineData
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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
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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>
8273250b 26#include <urcu.h>
d3e8f6bb 27
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DG
28#include <lttng/lttng.h>
29#include <bin/lttng-sessiond/lttng-ust-abi.h>
990570ed 30#include <common/defaults.h>
10a8a223 31#include <bin/lttng-sessiond/trace-ust.h>
7972aab2 32#include <bin/lttng-sessiond/ust-app.h>
10a8a223 33
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34#include <tap/tap.h>
35
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36/* This path will NEVER be created in this test */
37#define PATH1 "/tmp/.test-junk-lttng"
38
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39#define RANDOM_STRING_LEN 11
40
657270a4 41/* Number of TAP tests in this file */
1cda50f2 42#define NUM_TESTS 16
657270a4 43
ad7c9c18 44/* For error.h */
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45int lttng_opt_quiet = 1;
46int lttng_opt_verbose;
c7e35b03 47int lttng_opt_mi;
d3e8f6bb 48
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49int ust_consumerd32_fd;
50int ust_consumerd64_fd;
51
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52/* Global variable required by sessiond objects being linked-in */
53struct lttng_ht *agent_apps_ht_by_sock;
54
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55static const char alphanum[] =
56 "0123456789"
57 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
58 "abcdefghijklmnopqrstuvwxyz";
98612240 59static char random_string[RANDOM_STRING_LEN];
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60
61static struct ltt_ust_session *usess;
62static struct lttng_domain dom;
63
64/*
65 * Return random string of 10 characters.
98612240 66 * Not thread-safe.
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67 */
68static char *get_random_string(void)
69{
70 int i;
d3e8f6bb 71
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72 for (i = 0; i < RANDOM_STRING_LEN - 1; i++) {
73 random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
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74 }
75
98612240 76 random_string[RANDOM_STRING_LEN - 1] = '\0';
d3e8f6bb 77
98612240 78 return random_string;
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79}
80
657270a4 81static void test_create_one_ust_session(void)
d3e8f6bb 82{
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83 dom.type = LTTNG_DOMAIN_UST;
84
dec56f6c 85 usess = trace_ust_create_session(42);
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86 ok(usess != NULL, "Create UST session");
87
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88 if (!usess) {
89 skip(1, "UST session is null");
90 return;
91 }
92
657270a4 93 ok(usess->id == 42 &&
14fb1ebe 94 usess->active == 0 &&
657270a4 95 usess->domain_global.channels != NULL &&
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96 usess->uid == 0 &&
97 usess->gid == 0,
98 "Validate UST session");
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99
100 trace_ust_destroy_session(usess);
101}
102
657270a4 103static void test_create_ust_channel(void)
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104{
105 struct ltt_ust_channel *uchan;
106 struct lttng_channel attr;
107
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108 memset(&attr, 0, sizeof(attr));
109
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110 ok(lttng_strncpy(attr.name, "channel0", sizeof(attr.name)) == 0,
111 "Validate channel name length");
51755dc8 112 uchan = trace_ust_create_channel(&attr, LTTNG_DOMAIN_UST);
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113 ok(uchan != NULL, "Create UST channel");
114
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115 if (!usess) {
116 skip(1, "UST session is null");
117 return;
118 }
119
657270a4 120 ok(uchan->enabled == 0 &&
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121 strncmp(uchan->name, "channel0", 8) == 0 &&
122 uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0' &&
123 uchan->ctx != NULL &&
124 uchan->events != NULL &&
125 uchan->attr.overwrite == attr.attr.overwrite,
126 "Validate UST channel");
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127
128 trace_ust_destroy_channel(uchan);
129}
130
657270a4 131static void test_create_ust_event(void)
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132{
133 struct ltt_ust_event *event;
134 struct lttng_event ev;
135
441c16a7 136 memset(&ev, 0, sizeof(ev));
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137 ok(lttng_strncpy(ev.name, get_random_string(),
138 LTTNG_SYMBOL_NAME_LEN) == 0,
139 "Validate string length");
d3e8f6bb 140 ev.type = LTTNG_EVENT_TRACEPOINT;
441c16a7 141 ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
d3e8f6bb 142
88f06f15 143 event = trace_ust_create_event(&ev, NULL, NULL, NULL, false);
d3e8f6bb 144
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145 ok(event != NULL, "Create UST event");
146
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147 if (!event) {
148 skip(1, "UST event is null");
149 return;
150 }
151
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152 ok(event->enabled == 0 &&
153 event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
154 strcmp(event->attr.name, ev.name) == 0 &&
155 event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
156 "Validate UST event");
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157
158 trace_ust_destroy_event(event);
159}
160
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161static void test_create_ust_event_exclusion(void)
162{
163 struct ltt_ust_event *event;
164 struct lttng_event ev;
165 char *name;
88329be5 166 char *random_name;
41d7b959 167 struct lttng_event_exclusion *exclusion;
88329be5 168 const int exclusion_count = 2;
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169
170 memset(&ev, 0, sizeof(ev));
171
172 /* make a wildcarded event name */
173 name = get_random_string();
174 name[strlen(name) - 1] = '*';
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175 ok(lttng_strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN) == 0,
176 "Validate string length");
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177
178 ev.type = LTTNG_EVENT_TRACEPOINT;
179 ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
180
181 /* set up an exclusion set */
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182 exclusion = zmalloc(sizeof(*exclusion) +
183 LTTNG_SYMBOL_NAME_LEN * exclusion_count);
3111dcc4 184 ok(exclusion != NULL, "Create UST exclusion");
c710ece7 185 if (!exclusion) {
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186 skip(4, "zmalloc failed");
187 goto end;
c710ece7
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188 }
189
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190 exclusion->count = exclusion_count;
191 random_name = get_random_string();
192 strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), random_name,
193 LTTNG_SYMBOL_NAME_LEN);
194 strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), random_name,
195 LTTNG_SYMBOL_NAME_LEN);
41d7b959 196
88f06f15 197 event = trace_ust_create_event(&ev, NULL, NULL, exclusion, false);
3111dcc4 198 exclusion = NULL;
41d7b959 199
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PP
200 ok(!event, "Create UST event with identical exclusion names fails");
201
202 exclusion = zmalloc(sizeof(*exclusion) +
203 LTTNG_SYMBOL_NAME_LEN * exclusion_count);
3111dcc4 204 ok(exclusion != NULL, "Create UST exclusion");
88329be5 205 if (!exclusion) {
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206 skip(2, "zmalloc failed");
207 goto end;
88329be5
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208 }
209
210 exclusion->count = exclusion_count;
211 strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0),
212 get_random_string(), LTTNG_SYMBOL_NAME_LEN);
213 strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1),
214 get_random_string(), LTTNG_SYMBOL_NAME_LEN);
215
216 event = trace_ust_create_event(&ev, NULL, NULL, exclusion, false);
88329be5 217 ok(event != NULL, "Create UST event with different exclusion names");
41d7b959 218
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219 if (!event) {
220 skip(1, "UST event with exclusion is null");
221 goto end;
222 }
223
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224 ok(event->enabled == 0 &&
225 event->attr.instrumentation == LTTNG_UST_TRACEPOINT &&
226 strcmp(event->attr.name, ev.name) == 0 &&
227 event->exclusion != NULL &&
88329be5
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228 event->exclusion->count == exclusion_count &&
229 !memcmp(event->exclusion->names, exclusion->names,
230 LTTNG_SYMBOL_NAME_LEN * exclusion_count) &&
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231 event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0',
232 "Validate UST event and exclusion");
233
41d7b959 234 trace_ust_destroy_event(event);
67b2f51c
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235end:
236 return;
41d7b959
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237}
238
239
657270a4 240static void test_create_ust_context(void)
d3e8f6bb 241{
e38021f8 242 struct lttng_event_context ectx;
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243 struct ltt_ust_context *uctx;
244
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245 ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;
246
e38021f8 247 uctx = trace_ust_create_context(&ectx);
657270a4 248 ok(uctx != NULL, "Create UST context");
d3e8f6bb 249
657270a4
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250 ok((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID,
251 "Validate UST context");
f949b23e 252 free(uctx);
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253}
254
255int main(int argc, char **argv)
256{
657270a4 257 plan_tests(NUM_TESTS);
d3e8f6bb 258
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259 diag("UST data structures unit test");
260
8273250b
JR
261 rcu_register_thread();
262
657270a4 263 test_create_one_ust_session();
657270a4
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264 test_create_ust_channel();
265 test_create_ust_event();
266 test_create_ust_context();
41d7b959 267 test_create_ust_event_exclusion();
d3e8f6bb 268
8273250b
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269 rcu_unregister_thread();
270
657270a4 271 return exit_status();
d3e8f6bb 272}
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