Commit | Line | Data |
---|---|---|
d3e8f6bb | 1 | /* |
21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
d3e8f6bb | 3 | * |
9d16b343 | 4 | * SPDX-License-Identifier: GPL-2.0-only |
d3e8f6bb | 5 | * |
d3e8f6bb DG |
6 | */ |
7 | ||
28ab034a JG |
8 | #include <common/compat/errno.hpp> |
9 | #include <common/defaults.hpp> | |
d3e8f6bb | 10 | |
10a8a223 | 11 | #include <lttng/lttng.h> |
28ab034a JG |
12 | #include <lttng/ust-sigbus.h> |
13 | ||
c9e313bc | 14 | #include <bin/lttng-sessiond/lttng-ust-abi.hpp> |
28ab034a | 15 | #include <bin/lttng-sessiond/notification-thread.hpp> |
c9e313bc SM |
16 | #include <bin/lttng-sessiond/trace-ust.hpp> |
17 | #include <bin/lttng-sessiond/ust-app.hpp> | |
28ab034a JG |
18 | #include <stdio.h> |
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
657270a4 | 21 | #include <tap/tap.h> |
28ab034a JG |
22 | #include <time.h> |
23 | #include <unistd.h> | |
24 | #include <urcu.h> | |
657270a4 | 25 | |
d3e8f6bb DG |
26 | /* This path will NEVER be created in this test */ |
27 | #define PATH1 "/tmp/.test-junk-lttng" | |
28 | ||
28ab034a | 29 | #define RANDOM_STRING_LEN 11 |
98612240 | 30 | |
657270a4 | 31 | /* Number of TAP tests in this file */ |
1cda50f2 | 32 | #define NUM_TESTS 16 |
657270a4 | 33 | |
4bd69c5f | 34 | LTTNG_EXPORT DEFINE_LTTNG_UST_SIGBUS_STATE(); |
881fc67f | 35 | |
28ab034a JG |
36 | static const char alphanum[] = "0123456789" |
37 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
38 | "abcdefghijklmnopqrstuvwxyz"; | |
98612240 | 39 | static char random_string[RANDOM_STRING_LEN]; |
d3e8f6bb | 40 | |
d3e8f6bb DG |
41 | /* |
42 | * Return random string of 10 characters. | |
98612240 | 43 | * Not thread-safe. |
d3e8f6bb | 44 | */ |
cd9adb8b | 45 | static char *get_random_string() |
d3e8f6bb DG |
46 | { |
47 | int i; | |
d3e8f6bb | 48 | |
98612240 MD |
49 | for (i = 0; i < RANDOM_STRING_LEN - 1; i++) { |
50 | random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
d3e8f6bb DG |
51 | } |
52 | ||
98612240 | 53 | random_string[RANDOM_STRING_LEN - 1] = '\0'; |
d3e8f6bb | 54 | |
98612240 | 55 | return random_string; |
d3e8f6bb DG |
56 | } |
57 | ||
cd9adb8b | 58 | static void test_create_one_ust_session() |
d3e8f6bb | 59 | { |
28ab034a | 60 | struct ltt_ust_session *usess = trace_ust_create_session(42); |
d3e8f6bb | 61 | |
cd9adb8b | 62 | ok(usess != nullptr, "Create UST session"); |
657270a4 | 63 | |
67b2f51c JR |
64 | if (!usess) { |
65 | skip(1, "UST session is null"); | |
66 | return; | |
67 | } | |
68 | ||
66cefebd | 69 | ok(usess->id == 42 && !usess->active && usess->domain_global.channels != nullptr && |
28ab034a | 70 | usess->uid == 0 && usess->gid == 0, |
657270a4 | 71 | "Validate UST session"); |
d3e8f6bb DG |
72 | |
73 | trace_ust_destroy_session(usess); | |
75a6fdfe | 74 | trace_ust_free_session(usess); |
d3e8f6bb DG |
75 | } |
76 | ||
cd9adb8b | 77 | static void test_create_ust_channel() |
d3e8f6bb DG |
78 | { |
79 | struct ltt_ust_channel *uchan; | |
80 | struct lttng_channel attr; | |
82b4ebce | 81 | struct lttng_channel_extended extended; |
d3e8f6bb | 82 | |
441c16a7 | 83 | memset(&attr, 0, sizeof(attr)); |
82b4ebce JG |
84 | memset(&extended, 0, sizeof(extended)); |
85 | attr.attr.extended.ptr = &extended; | |
441c16a7 | 86 | |
1b0eb865 | 87 | ok(lttng_strncpy(attr.name, "channel0", sizeof(attr.name)) == 0, |
28ab034a | 88 | "Validate channel name length"); |
51755dc8 | 89 | uchan = trace_ust_create_channel(&attr, LTTNG_DOMAIN_UST); |
cd9adb8b | 90 | ok(uchan != nullptr, "Create UST channel"); |
657270a4 | 91 | |
30b66335 JG |
92 | if (!uchan) { |
93 | skip(1, "UST channel is null"); | |
67b2f51c JR |
94 | return; |
95 | } | |
96 | ||
66cefebd | 97 | ok(!uchan->enabled && strncmp(uchan->name, "channel0", 8) == 0 && |
cd9adb8b JG |
98 | uchan->name[LTTNG_UST_ABI_SYM_NAME_LEN - 1] == '\0' && uchan->ctx != nullptr && |
99 | uchan->events != nullptr && uchan->attr.overwrite == attr.attr.overwrite, | |
657270a4 | 100 | "Validate UST channel"); |
d3e8f6bb DG |
101 | |
102 | trace_ust_destroy_channel(uchan); | |
103 | } | |
104 | ||
cd9adb8b | 105 | static void test_create_ust_event() |
d3e8f6bb DG |
106 | { |
107 | struct ltt_ust_event *event; | |
108 | struct lttng_event ev; | |
39687410 | 109 | enum lttng_error_code ret; |
d3e8f6bb | 110 | |
441c16a7 | 111 | memset(&ev, 0, sizeof(ev)); |
28ab034a JG |
112 | ok(lttng_strncpy(ev.name, get_random_string(), LTTNG_SYMBOL_NAME_LEN) == 0, |
113 | "Validate string length"); | |
d3e8f6bb | 114 | ev.type = LTTNG_EVENT_TRACEPOINT; |
441c16a7 | 115 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; |
d3e8f6bb | 116 | |
cd9adb8b | 117 | ret = trace_ust_create_event(&ev, nullptr, nullptr, nullptr, false, &event); |
d3e8f6bb | 118 | |
39687410 | 119 | ok(ret == LTTNG_OK, "Create UST event"); |
657270a4 | 120 | |
67b2f51c JR |
121 | if (!event) { |
122 | skip(1, "UST event is null"); | |
123 | return; | |
124 | } | |
125 | ||
66cefebd | 126 | ok(!event->enabled && event->attr.instrumentation == LTTNG_UST_ABI_TRACEPOINT && |
28ab034a JG |
127 | strcmp(event->attr.name, ev.name) == 0 && |
128 | event->attr.name[LTTNG_UST_ABI_SYM_NAME_LEN - 1] == '\0', | |
657270a4 | 129 | "Validate UST event"); |
d3e8f6bb DG |
130 | |
131 | trace_ust_destroy_event(event); | |
132 | } | |
133 | ||
cd9adb8b | 134 | static void test_create_ust_event_exclusion() |
41d7b959 | 135 | { |
f2c057a6 | 136 | int copy_ret; |
39687410 | 137 | enum lttng_error_code ret; |
41d7b959 JI |
138 | struct ltt_ust_event *event; |
139 | struct lttng_event ev; | |
140 | char *name; | |
88329be5 | 141 | char *random_name; |
cd9adb8b JG |
142 | struct lttng_event_exclusion *exclusion = nullptr; |
143 | struct lttng_event_exclusion *exclusion_copy = nullptr; | |
88329be5 | 144 | const int exclusion_count = 2; |
41d7b959 JI |
145 | |
146 | memset(&ev, 0, sizeof(ev)); | |
147 | ||
148 | /* make a wildcarded event name */ | |
149 | name = get_random_string(); | |
150 | name[strlen(name) - 1] = '*'; | |
28ab034a | 151 | ok(lttng_strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN) == 0, "Validate string length"); |
41d7b959 JI |
152 | |
153 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
154 | ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL; | |
155 | ||
156 | /* set up an exclusion set */ | |
64803277 | 157 | exclusion = zmalloc<lttng_event_exclusion>(sizeof(*exclusion) + |
28ab034a | 158 | LTTNG_SYMBOL_NAME_LEN * exclusion_count); |
cd9adb8b | 159 | ok(exclusion != nullptr, "Create UST exclusion"); |
c710ece7 | 160 | if (!exclusion) { |
67b2f51c JR |
161 | skip(4, "zmalloc failed"); |
162 | goto end; | |
c710ece7 MD |
163 | } |
164 | ||
88329be5 PP |
165 | exclusion->count = exclusion_count; |
166 | random_name = get_random_string(); | |
28ab034a JG |
167 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), |
168 | random_name, | |
b43eb2f6 | 169 | LTTNG_SYMBOL_NAME_LEN - 1); |
28ab034a JG |
170 | strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), |
171 | random_name, | |
b43eb2f6 | 172 | LTTNG_SYMBOL_NAME_LEN - 1); |
41d7b959 | 173 | |
cd9adb8b JG |
174 | ret = trace_ust_create_event(&ev, nullptr, nullptr, exclusion, false, &event); |
175 | exclusion = nullptr; | |
41d7b959 | 176 | |
39687410 | 177 | ok(ret != LTTNG_OK, "Create UST event with identical exclusion names fails"); |
88329be5 | 178 | |
64803277 | 179 | exclusion = zmalloc<lttng_event_exclusion>(sizeof(*exclusion) + |
28ab034a | 180 | LTTNG_SYMBOL_NAME_LEN * exclusion_count); |
cd9adb8b | 181 | ok(exclusion != nullptr, "Create UST exclusion"); |
88329be5 | 182 | if (!exclusion) { |
67b2f51c JR |
183 | skip(2, "zmalloc failed"); |
184 | goto end; | |
88329be5 PP |
185 | } |
186 | ||
64803277 | 187 | exclusion_copy = zmalloc<lttng_event_exclusion>(sizeof(*exclusion) + |
28ab034a | 188 | LTTNG_SYMBOL_NAME_LEN * exclusion_count); |
4b6816b6 FD |
189 | if (!exclusion_copy) { |
190 | skip(2, "zmalloc failed"); | |
191 | goto end; | |
192 | } | |
193 | ||
194 | /* | |
195 | * We are giving ownership of the exclusion struct to the | |
196 | * trace_ust_create_event() function. Make a copy of the exclusion struct | |
197 | * so we can compare it later. | |
198 | */ | |
199 | ||
88329be5 | 200 | exclusion->count = exclusion_count; |
f2c057a6 | 201 | copy_ret = lttng_strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), |
28ab034a JG |
202 | get_random_string(), |
203 | sizeof(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0))); | |
f2c057a6 JG |
204 | LTTNG_ASSERT(copy_ret == 0); |
205 | copy_ret = lttng_strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), | |
28ab034a JG |
206 | get_random_string(), |
207 | sizeof(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1))); | |
f2c057a6 | 208 | LTTNG_ASSERT(copy_ret == 0); |
88329be5 | 209 | |
4b6816b6 | 210 | exclusion_copy->count = exclusion_count; |
f2c057a6 | 211 | copy_ret = lttng_strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 0), |
28ab034a JG |
212 | LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), |
213 | sizeof(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 0))); | |
f2c057a6 JG |
214 | LTTNG_ASSERT(copy_ret == 0); |
215 | copy_ret = lttng_strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 1), | |
28ab034a JG |
216 | LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), |
217 | sizeof(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 1))); | |
f2c057a6 | 218 | LTTNG_ASSERT(copy_ret == 0); |
4b6816b6 | 219 | |
cd9adb8b JG |
220 | ret = trace_ust_create_event(&ev, nullptr, nullptr, exclusion, false, &event); |
221 | exclusion = nullptr; | |
39687410 | 222 | ok(ret == LTTNG_OK, "Create UST event with different exclusion names"); |
41d7b959 | 223 | |
67b2f51c JR |
224 | if (!event) { |
225 | skip(1, "UST event with exclusion is null"); | |
226 | goto end; | |
227 | } | |
228 | ||
66cefebd | 229 | ok(!event->enabled && event->attr.instrumentation == LTTNG_UST_ABI_TRACEPOINT && |
cd9adb8b | 230 | strcmp(event->attr.name, ev.name) == 0 && event->exclusion != nullptr && |
28ab034a JG |
231 | event->exclusion->count == exclusion_count && |
232 | !memcmp(event->exclusion->names, | |
233 | exclusion_copy->names, | |
234 | LTTNG_SYMBOL_NAME_LEN * exclusion_count) && | |
235 | event->attr.name[LTTNG_UST_ABI_SYM_NAME_LEN - 1] == '\0', | |
236 | "Validate UST event and exclusion"); | |
41d7b959 | 237 | |
41d7b959 | 238 | trace_ust_destroy_event(event); |
67b2f51c | 239 | end: |
e196f4f4 | 240 | free(exclusion); |
4b6816b6 | 241 | free(exclusion_copy); |
67b2f51c | 242 | return; |
41d7b959 JI |
243 | } |
244 | ||
cd9adb8b | 245 | static void test_create_ust_context() |
d3e8f6bb | 246 | { |
e38021f8 | 247 | struct lttng_event_context ectx; |
d3e8f6bb DG |
248 | struct ltt_ust_context *uctx; |
249 | ||
e38021f8 DG |
250 | ectx.ctx = LTTNG_EVENT_CONTEXT_VTID; |
251 | ||
e38021f8 | 252 | uctx = trace_ust_create_context(&ectx); |
cd9adb8b | 253 | ok(uctx != nullptr, "Create UST context"); |
d3e8f6bb | 254 | |
77f5299f | 255 | if (uctx) { |
28ab034a | 256 | ok((int) uctx->ctx.ctx == LTTNG_UST_ABI_CONTEXT_VTID, "Validate UST context"); |
77f5299f JG |
257 | } else { |
258 | skip(1, "Skipping UST context validation as creation failed"); | |
259 | } | |
f949b23e | 260 | free(uctx); |
d3e8f6bb DG |
261 | } |
262 | ||
cd9adb8b | 263 | int main() |
d3e8f6bb | 264 | { |
657270a4 | 265 | plan_tests(NUM_TESTS); |
d3e8f6bb | 266 | |
e3bef725 CB |
267 | diag("UST data structures unit test"); |
268 | ||
8273250b JR |
269 | rcu_register_thread(); |
270 | ||
657270a4 | 271 | test_create_one_ust_session(); |
657270a4 CB |
272 | test_create_ust_channel(); |
273 | test_create_ust_event(); | |
274 | test_create_ust_context(); | |
41d7b959 | 275 | test_create_ust_event_exclusion(); |
d3e8f6bb | 276 | |
8273250b JR |
277 | rcu_unregister_thread(); |
278 | ||
657270a4 | 279 | return exit_status(); |
d3e8f6bb | 280 | } |