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53569322 | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: LGPL-2.1-only |
53569322 | 3 | * |
c0c0989a MJ |
4 | * Copyright (C) 2009 Pierre-Marc Fournier |
5 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
53569322 MD |
6 | */ |
7 | ||
53569322 MD |
8 | #include <fcntl.h> |
9 | #include <signal.h> | |
fb31eb73 FD |
10 | #include <stdarg.h> |
11 | #include <stdint.h> | |
12 | #include <stdio.h> | |
53569322 | 13 | #include <string.h> |
fb31eb73 FD |
14 | #include <sys/mman.h> |
15 | #include <sys/stat.h> | |
16 | #include <sys/types.h> | |
17 | #include <unistd.h> | |
53569322 MD |
18 | /* |
19 | * Work-around inet.h missing struct mmsghdr forward declaration, with | |
20 | * triggers a warning when system files warnings are enabled. | |
21 | */ | |
22 | struct mmsghdr; | |
23 | #include <arpa/inet.h> | |
b4051ad8 | 24 | #include <stddef.h> |
53569322 MD |
25 | #include <stdlib.h> |
26 | #include <stdbool.h> | |
27 | ||
88c7c4ea | 28 | #define LTTNG_UST_TRACEPOINT_DEFINE |
53569322 MD |
29 | #include "ust_tests_hello.h" |
30 | ||
53569322 | 31 | #include <lttng/ust-events.h> |
0b4b8811 | 32 | #include <lttng/ust-ringbuffer-context.h> |
0466ac28 | 33 | /* Internal header. */ |
9d315d6d | 34 | #include <common/ust-context-provider.h> |
53569322 | 35 | |
16adecf1 | 36 | static __thread unsigned int test_count; |
53569322 | 37 | |
4b4a1337 | 38 | static |
53569322 MD |
39 | void test_inc_count(void) |
40 | { | |
41 | test_count++; | |
42 | } | |
43 | ||
44 | static | |
b2e37d27 MD |
45 | size_t test_get_size(void *priv __attribute__((unused)), |
46 | struct lttng_ust_probe_ctx *probe_ctx __attribute__((unused)), | |
47 | size_t offset) | |
53569322 MD |
48 | { |
49 | int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; | |
50 | size_t size = 0; | |
51 | ||
b5457df5 | 52 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(char)); |
53569322 MD |
53 | size += sizeof(char); /* tag */ |
54 | switch (sel) { | |
55 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
56 | break; | |
57 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
b5457df5 | 58 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int8_t)); |
53569322 MD |
59 | size += sizeof(int8_t); /* variant */ |
60 | break; | |
61 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
b5457df5 | 62 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int16_t)); |
53569322 MD |
63 | size += sizeof(int16_t); /* variant */ |
64 | break; | |
65 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
b5457df5 | 66 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int32_t)); |
53569322 MD |
67 | size += sizeof(int32_t); /* variant */ |
68 | break; | |
69 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
b5457df5 | 70 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int64_t)); |
53569322 MD |
71 | size += sizeof(int64_t); /* variant */ |
72 | break; | |
73 | case LTTNG_UST_DYNAMIC_TYPE_U8: | |
b5457df5 | 74 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint8_t)); |
53569322 MD |
75 | size += sizeof(uint8_t); /* variant */ |
76 | break; | |
77 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
b5457df5 | 78 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint16_t)); |
53569322 MD |
79 | size += sizeof(uint16_t); /* variant */ |
80 | break; | |
81 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
b5457df5 | 82 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint32_t)); |
53569322 MD |
83 | size += sizeof(uint32_t); /* variant */ |
84 | break; | |
85 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
b5457df5 | 86 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint64_t)); |
53569322 MD |
87 | size += sizeof(uint64_t); /* variant */ |
88 | break; | |
89 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: | |
b5457df5 | 90 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(float)); |
53569322 MD |
91 | size += sizeof(float); /* variant */ |
92 | break; | |
93 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
b5457df5 | 94 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(double)); |
53569322 MD |
95 | size += sizeof(double); /* variant */ |
96 | break; | |
97 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
98 | size += strlen("teststr") + 1; | |
99 | break; | |
100 | default: | |
101 | abort(); | |
102 | } | |
103 | ||
104 | return size; | |
105 | } | |
106 | ||
107 | static | |
4e48b5d2 | 108 | void test_record(void *priv __attribute__((unused)), |
b2e37d27 | 109 | struct lttng_ust_probe_ctx *probe_ctx __attribute__((unused)), |
b5457df5 | 110 | struct lttng_ust_ring_buffer_ctx *ctx, |
e7bc0ef6 | 111 | struct lttng_ust_channel_buffer *lttng_chan_buf) |
53569322 MD |
112 | { |
113 | int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; | |
114 | char sel_char = (char) sel; | |
115 | ||
8936b6c0 | 116 | lttng_chan_buf->ops->event_write(ctx, &sel_char, sizeof(sel_char), lttng_ust_rb_alignof(char)); |
53569322 MD |
117 | switch (sel) { |
118 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
119 | break; | |
120 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
121 | { | |
122 | int8_t v = -8; | |
123 | ||
8936b6c0 | 124 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
125 | break; |
126 | } | |
127 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
128 | { | |
129 | int16_t v = -16; | |
130 | ||
8936b6c0 | 131 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
132 | break; |
133 | } | |
134 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
135 | { | |
136 | int32_t v = -32; | |
137 | ||
8936b6c0 | 138 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
139 | break; |
140 | } | |
141 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
142 | { | |
143 | int64_t v = -64; | |
144 | ||
8936b6c0 | 145 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
146 | break; |
147 | } | |
148 | case LTTNG_UST_DYNAMIC_TYPE_U8: | |
149 | { | |
150 | uint8_t v = 8; | |
151 | ||
8936b6c0 | 152 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
153 | break; |
154 | } | |
155 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
156 | { | |
157 | uint16_t v = 16; | |
158 | ||
8936b6c0 | 159 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
160 | break; |
161 | } | |
162 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
163 | { | |
164 | uint32_t v = 32; | |
165 | ||
8936b6c0 | 166 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
167 | break; |
168 | } | |
169 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
170 | { | |
171 | uint64_t v = 64; | |
172 | ||
8936b6c0 | 173 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
174 | break; |
175 | } | |
176 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: | |
177 | { | |
178 | float f = 22322.0; | |
179 | ||
8936b6c0 | 180 | lttng_chan_buf->ops->event_write(ctx, &f, sizeof(f), lttng_ust_rb_alignof(f)); |
53569322 MD |
181 | break; |
182 | } | |
183 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
184 | { | |
185 | double d = 2.0; | |
186 | ||
8936b6c0 | 187 | lttng_chan_buf->ops->event_write(ctx, &d, sizeof(d), lttng_ust_rb_alignof(d)); |
53569322 MD |
188 | break; |
189 | } | |
190 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
191 | { | |
192 | const char *str = "teststr"; | |
8936b6c0 | 193 | lttng_chan_buf->ops->event_write(ctx, str, strlen(str) + 1, 1); |
53569322 MD |
194 | break; |
195 | } | |
196 | default: | |
197 | abort(); | |
198 | } | |
199 | } | |
200 | ||
201 | static | |
4e48b5d2 | 202 | void test_get_value(void *priv __attribute__((unused)), |
b2e37d27 | 203 | struct lttng_ust_probe_ctx *probe_ctx __attribute__((unused)), |
daacdbfc | 204 | struct lttng_ust_ctx_value *value) |
53569322 MD |
205 | { |
206 | int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; | |
207 | ||
208 | value->sel = sel; | |
209 | switch (sel) { | |
210 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
211 | break; | |
212 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
213 | value->u.s64 = -8; | |
214 | break; | |
215 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
216 | value->u.s64 = -16; | |
217 | break; | |
218 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
219 | value->u.s64 = -32; | |
220 | break; | |
221 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
222 | value->u.s64 = -64; | |
223 | break; | |
224 | case LTTNG_UST_DYNAMIC_TYPE_U8: | |
86133caf | 225 | value->u.u64 = 8; |
53569322 MD |
226 | break; |
227 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
86133caf | 228 | value->u.u64 = 16; |
53569322 MD |
229 | break; |
230 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
86133caf | 231 | value->u.u64 = 32; |
53569322 MD |
232 | break; |
233 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
86133caf | 234 | value->u.u64 = 64; |
53569322 MD |
235 | break; |
236 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: | |
237 | value->u.d = 22322.0; | |
238 | break; | |
239 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
240 | value->u.d = 2.0; | |
241 | break; | |
242 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
243 | value->u.str = "teststr"; | |
244 | break; | |
245 | default: | |
246 | abort(); | |
247 | } | |
248 | } | |
249 | ||
74c3f8e2 | 250 | static char myprovider_name[] = "$app.myprovider"; |
53569322 | 251 | struct lttng_ust_context_provider myprovider = { |
daacdbfc | 252 | .struct_size = sizeof(struct lttng_ust_context_provider), |
74c3f8e2 | 253 | .name = myprovider_name, |
53569322 MD |
254 | .get_size = test_get_size, |
255 | .record = test_record, | |
256 | .get_value = test_get_value, | |
257 | }; | |
258 | ||
4b4a1337 | 259 | static |
2208d8b5 | 260 | void inthandler(int sig __attribute__((unused))) |
53569322 MD |
261 | { |
262 | printf("in SIGUSR1 handler\n"); | |
cbc06a3b | 263 | lttng_ust_tracepoint(ust_tests_hello, tptest_sighandler); |
53569322 MD |
264 | } |
265 | ||
4b4a1337 | 266 | static |
53569322 MD |
267 | int init_int_handler(void) |
268 | { | |
269 | int result; | |
270 | struct sigaction act; | |
271 | ||
272 | memset(&act, 0, sizeof(act)); | |
273 | result = sigemptyset(&act.sa_mask); | |
274 | if (result == -1) { | |
275 | perror("sigemptyset"); | |
276 | return -1; | |
277 | } | |
278 | ||
279 | act.sa_handler = inthandler; | |
280 | act.sa_flags = SA_RESTART; | |
281 | ||
282 | /* Only defer ourselves. Also, try to restart interrupted | |
283 | * syscalls to disturb the traced program as little as possible. | |
284 | */ | |
285 | result = sigaction(SIGUSR1, &act, NULL); | |
286 | if (result == -1) { | |
287 | perror("sigaction"); | |
288 | return -1; | |
289 | } | |
290 | ||
291 | return 0; | |
292 | } | |
293 | ||
53569322 MD |
294 | int main(int argc, char **argv) |
295 | { | |
4e48b5d2 | 296 | struct lttng_ust_registered_context_provider *reg_provider; |
53569322 MD |
297 | int i, netint; |
298 | long values[] = { 1, 2, 3 }; | |
299 | char text[10] = "test"; | |
300 | double dbl = 2.0; | |
301 | float flt = 2222.0; | |
302 | int delay = 0; | |
303 | bool mybool = 123; /* should print "1" */ | |
304 | ||
305 | init_int_handler(); | |
306 | ||
307 | if (argc == 2) | |
308 | delay = atoi(argv[1]); | |
309 | ||
4e48b5d2 MD |
310 | reg_provider = lttng_ust_context_provider_register(&myprovider); |
311 | if (!reg_provider) | |
53569322 MD |
312 | abort(); |
313 | ||
314 | fprintf(stderr, "Hello, World!\n"); | |
315 | ||
316 | sleep(delay); | |
317 | ||
318 | fprintf(stderr, "Tracing... "); | |
319 | for (i = 0; i < 1000000; i++) { | |
320 | netint = htonl(i); | |
cbc06a3b | 321 | lttng_ust_tracepoint(ust_tests_hello, tptest, i, netint, values, |
53569322 MD |
322 | text, strlen(text), dbl, flt, mybool); |
323 | test_inc_count(); | |
324 | //usleep(100000); | |
325 | } | |
4e48b5d2 | 326 | lttng_ust_context_provider_unregister(reg_provider); |
53569322 MD |
327 | fprintf(stderr, " done.\n"); |
328 | return 0; | |
329 | } |