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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 | ||
28 | #define TRACEPOINT_DEFINE | |
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 | |
4e48b5d2 | 45 | size_t test_get_size(void *priv __attribute__((unused)), size_t offset) |
53569322 MD |
46 | { |
47 | int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; | |
48 | size_t size = 0; | |
49 | ||
b5457df5 | 50 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(char)); |
53569322 MD |
51 | size += sizeof(char); /* tag */ |
52 | switch (sel) { | |
53 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
54 | break; | |
55 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
b5457df5 | 56 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int8_t)); |
53569322 MD |
57 | size += sizeof(int8_t); /* variant */ |
58 | break; | |
59 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
b5457df5 | 60 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int16_t)); |
53569322 MD |
61 | size += sizeof(int16_t); /* variant */ |
62 | break; | |
63 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
b5457df5 | 64 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int32_t)); |
53569322 MD |
65 | size += sizeof(int32_t); /* variant */ |
66 | break; | |
67 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
b5457df5 | 68 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(int64_t)); |
53569322 MD |
69 | size += sizeof(int64_t); /* variant */ |
70 | break; | |
71 | case LTTNG_UST_DYNAMIC_TYPE_U8: | |
b5457df5 | 72 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint8_t)); |
53569322 MD |
73 | size += sizeof(uint8_t); /* variant */ |
74 | break; | |
75 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
b5457df5 | 76 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint16_t)); |
53569322 MD |
77 | size += sizeof(uint16_t); /* variant */ |
78 | break; | |
79 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
b5457df5 | 80 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint32_t)); |
53569322 MD |
81 | size += sizeof(uint32_t); /* variant */ |
82 | break; | |
83 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
b5457df5 | 84 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(uint64_t)); |
53569322 MD |
85 | size += sizeof(uint64_t); /* variant */ |
86 | break; | |
87 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: | |
b5457df5 | 88 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(float)); |
53569322 MD |
89 | size += sizeof(float); /* variant */ |
90 | break; | |
91 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
b5457df5 | 92 | size += lttng_ust_ring_buffer_align(offset, lttng_ust_rb_alignof(double)); |
53569322 MD |
93 | size += sizeof(double); /* variant */ |
94 | break; | |
95 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
96 | size += strlen("teststr") + 1; | |
97 | break; | |
98 | default: | |
99 | abort(); | |
100 | } | |
101 | ||
102 | return size; | |
103 | } | |
104 | ||
105 | static | |
4e48b5d2 | 106 | void test_record(void *priv __attribute__((unused)), |
b5457df5 | 107 | struct lttng_ust_ring_buffer_ctx *ctx, |
e7bc0ef6 | 108 | struct lttng_ust_channel_buffer *lttng_chan_buf) |
53569322 MD |
109 | { |
110 | int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; | |
111 | char sel_char = (char) sel; | |
112 | ||
8936b6c0 | 113 | lttng_chan_buf->ops->event_write(ctx, &sel_char, sizeof(sel_char), lttng_ust_rb_alignof(char)); |
53569322 MD |
114 | switch (sel) { |
115 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
116 | break; | |
117 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
118 | { | |
119 | int8_t v = -8; | |
120 | ||
8936b6c0 | 121 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
122 | break; |
123 | } | |
124 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
125 | { | |
126 | int16_t v = -16; | |
127 | ||
8936b6c0 | 128 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
129 | break; |
130 | } | |
131 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
132 | { | |
133 | int32_t v = -32; | |
134 | ||
8936b6c0 | 135 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
136 | break; |
137 | } | |
138 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
139 | { | |
140 | int64_t v = -64; | |
141 | ||
8936b6c0 | 142 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
143 | break; |
144 | } | |
145 | case LTTNG_UST_DYNAMIC_TYPE_U8: | |
146 | { | |
147 | uint8_t v = 8; | |
148 | ||
8936b6c0 | 149 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
150 | break; |
151 | } | |
152 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
153 | { | |
154 | uint16_t v = 16; | |
155 | ||
8936b6c0 | 156 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
157 | break; |
158 | } | |
159 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
160 | { | |
161 | uint32_t v = 32; | |
162 | ||
8936b6c0 | 163 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
164 | break; |
165 | } | |
166 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
167 | { | |
168 | uint64_t v = 64; | |
169 | ||
8936b6c0 | 170 | lttng_chan_buf->ops->event_write(ctx, &v, sizeof(v), lttng_ust_rb_alignof(v)); |
53569322 MD |
171 | break; |
172 | } | |
173 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: | |
174 | { | |
175 | float f = 22322.0; | |
176 | ||
8936b6c0 | 177 | lttng_chan_buf->ops->event_write(ctx, &f, sizeof(f), lttng_ust_rb_alignof(f)); |
53569322 MD |
178 | break; |
179 | } | |
180 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
181 | { | |
182 | double d = 2.0; | |
183 | ||
8936b6c0 | 184 | lttng_chan_buf->ops->event_write(ctx, &d, sizeof(d), lttng_ust_rb_alignof(d)); |
53569322 MD |
185 | break; |
186 | } | |
187 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
188 | { | |
189 | const char *str = "teststr"; | |
8936b6c0 | 190 | lttng_chan_buf->ops->event_write(ctx, str, strlen(str) + 1, 1); |
53569322 MD |
191 | break; |
192 | } | |
193 | default: | |
194 | abort(); | |
195 | } | |
196 | } | |
197 | ||
198 | static | |
4e48b5d2 | 199 | void test_get_value(void *priv __attribute__((unused)), |
daacdbfc | 200 | struct lttng_ust_ctx_value *value) |
53569322 MD |
201 | { |
202 | int sel = test_count % _NR_LTTNG_UST_DYNAMIC_TYPES; | |
203 | ||
204 | value->sel = sel; | |
205 | switch (sel) { | |
206 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
207 | break; | |
208 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
209 | value->u.s64 = -8; | |
210 | break; | |
211 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
212 | value->u.s64 = -16; | |
213 | break; | |
214 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
215 | value->u.s64 = -32; | |
216 | break; | |
217 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
218 | value->u.s64 = -64; | |
219 | break; | |
220 | case LTTNG_UST_DYNAMIC_TYPE_U8: | |
86133caf | 221 | value->u.u64 = 8; |
53569322 MD |
222 | break; |
223 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
86133caf | 224 | value->u.u64 = 16; |
53569322 MD |
225 | break; |
226 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
86133caf | 227 | value->u.u64 = 32; |
53569322 MD |
228 | break; |
229 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
86133caf | 230 | value->u.u64 = 64; |
53569322 MD |
231 | break; |
232 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: | |
233 | value->u.d = 22322.0; | |
234 | break; | |
235 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
236 | value->u.d = 2.0; | |
237 | break; | |
238 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
239 | value->u.str = "teststr"; | |
240 | break; | |
241 | default: | |
242 | abort(); | |
243 | } | |
244 | } | |
245 | ||
74c3f8e2 | 246 | static char myprovider_name[] = "$app.myprovider"; |
53569322 | 247 | struct lttng_ust_context_provider myprovider = { |
daacdbfc | 248 | .struct_size = sizeof(struct lttng_ust_context_provider), |
74c3f8e2 | 249 | .name = myprovider_name, |
53569322 MD |
250 | .get_size = test_get_size, |
251 | .record = test_record, | |
252 | .get_value = test_get_value, | |
253 | }; | |
254 | ||
4b4a1337 | 255 | static |
2208d8b5 | 256 | void inthandler(int sig __attribute__((unused))) |
53569322 MD |
257 | { |
258 | printf("in SIGUSR1 handler\n"); | |
259 | tracepoint(ust_tests_hello, tptest_sighandler); | |
260 | } | |
261 | ||
4b4a1337 | 262 | static |
53569322 MD |
263 | int init_int_handler(void) |
264 | { | |
265 | int result; | |
266 | struct sigaction act; | |
267 | ||
268 | memset(&act, 0, sizeof(act)); | |
269 | result = sigemptyset(&act.sa_mask); | |
270 | if (result == -1) { | |
271 | perror("sigemptyset"); | |
272 | return -1; | |
273 | } | |
274 | ||
275 | act.sa_handler = inthandler; | |
276 | act.sa_flags = SA_RESTART; | |
277 | ||
278 | /* Only defer ourselves. Also, try to restart interrupted | |
279 | * syscalls to disturb the traced program as little as possible. | |
280 | */ | |
281 | result = sigaction(SIGUSR1, &act, NULL); | |
282 | if (result == -1) { | |
283 | perror("sigaction"); | |
284 | return -1; | |
285 | } | |
286 | ||
287 | return 0; | |
288 | } | |
289 | ||
53569322 MD |
290 | int main(int argc, char **argv) |
291 | { | |
4e48b5d2 | 292 | struct lttng_ust_registered_context_provider *reg_provider; |
53569322 MD |
293 | int i, netint; |
294 | long values[] = { 1, 2, 3 }; | |
295 | char text[10] = "test"; | |
296 | double dbl = 2.0; | |
297 | float flt = 2222.0; | |
298 | int delay = 0; | |
299 | bool mybool = 123; /* should print "1" */ | |
300 | ||
301 | init_int_handler(); | |
302 | ||
303 | if (argc == 2) | |
304 | delay = atoi(argv[1]); | |
305 | ||
4e48b5d2 MD |
306 | reg_provider = lttng_ust_context_provider_register(&myprovider); |
307 | if (!reg_provider) | |
53569322 MD |
308 | abort(); |
309 | ||
310 | fprintf(stderr, "Hello, World!\n"); | |
311 | ||
312 | sleep(delay); | |
313 | ||
314 | fprintf(stderr, "Tracing... "); | |
315 | for (i = 0; i < 1000000; i++) { | |
316 | netint = htonl(i); | |
317 | tracepoint(ust_tests_hello, tptest, i, netint, values, | |
318 | text, strlen(text), dbl, flt, mybool); | |
319 | test_inc_count(); | |
320 | //usleep(100000); | |
321 | } | |
4e48b5d2 | 322 | lttng_ust_context_provider_unregister(reg_provider); |
53569322 MD |
323 | fprintf(stderr, " done.\n"); |
324 | return 0; | |
325 | } |