| 1 | #ifndef _LTT_FACILITY_USER_GENERIC_H_ |
| 2 | #define _LTT_FACILITY_USER_GENERIC_H_ |
| 3 | |
| 4 | #include <sys/types.h> |
| 5 | #include <ltt/ltt-facility-id-user_generic.h> |
| 6 | #include <ltt/ltt-usertrace.h> |
| 7 | |
| 8 | #ifdef __cplusplus |
| 9 | extern "C" { |
| 10 | #endif |
| 11 | |
| 12 | /* Named types */ |
| 13 | |
| 14 | /* Event string structures */ |
| 15 | static inline void lttng_write_string_user_generic_string_data( |
| 16 | char *buffer, |
| 17 | size_t *to_base, |
| 18 | size_t *to, |
| 19 | const char **from, |
| 20 | size_t *len, |
| 21 | const char * obj) |
| 22 | { |
| 23 | size_t size; |
| 24 | size_t align; |
| 25 | |
| 26 | /* Flush pending memcpy */ |
| 27 | if(*len != 0) { |
| 28 | if(buffer != NULL) |
| 29 | memcpy(buffer+*to_base+*to, *from, *len); |
| 30 | } |
| 31 | *to += *len; |
| 32 | *len = 0; |
| 33 | |
| 34 | align = sizeof(char); |
| 35 | |
| 36 | if(*len == 0) { |
| 37 | *to += ltt_align(*to, align); /* align output */ |
| 38 | } else { |
| 39 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 40 | } |
| 41 | |
| 42 | /* Contains variable sized fields : must explode the structure */ |
| 43 | |
| 44 | size = strlen(obj) + 1; /* Include final NULL char. */ |
| 45 | if(buffer != NULL) |
| 46 | memcpy(buffer+*to_base+*to, obj, size); |
| 47 | *to += size; |
| 48 | |
| 49 | /* Realign the *to_base on arch size, set *to to 0 */ |
| 50 | *to += ltt_align(*to, sizeof(void *)); |
| 51 | *to_base = *to_base+*to; |
| 52 | *to = 0; |
| 53 | |
| 54 | /* Put source *from just after the C string */ |
| 55 | *from += size; |
| 56 | } |
| 57 | |
| 58 | |
| 59 | /* Event string logging function */ |
| 60 | static inline int trace_user_generic_string( |
| 61 | const char * lttng_param_data); |
| 62 | |
| 63 | #ifndef LTT_TRACE_FAST |
| 64 | static inline int trace_user_generic_string( |
| 65 | const char * lttng_param_data) |
| 66 | #ifndef LTT_TRACE |
| 67 | { |
| 68 | } |
| 69 | #else |
| 70 | { |
| 71 | int ret = 0; |
| 72 | char *buffer = NULL; |
| 73 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 74 | size_t *to_base = &real_to_base; |
| 75 | size_t real_to = 0; |
| 76 | size_t *to = &real_to; |
| 77 | size_t real_len = 0; |
| 78 | size_t *len = &real_len; |
| 79 | size_t reserve_size; |
| 80 | size_t slot_size; |
| 81 | const char *real_from; |
| 82 | const char **from = &real_from; |
| 83 | /* For each field, calculate the field size. */ |
| 84 | /* size = *to_base + *to + *len */ |
| 85 | /* Assume that the padding for alignment starts at a |
| 86 | * sizeof(void *) address. */ |
| 87 | |
| 88 | *from = (const char*)lttng_param_data; |
| 89 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 90 | |
| 91 | reserve_size = *to_base + *to + *len; |
| 92 | { |
| 93 | char stack_buffer[reserve_size]; |
| 94 | buffer = stack_buffer; |
| 95 | |
| 96 | *to_base = *to = *len = 0; |
| 97 | |
| 98 | *from = (const char*)lttng_param_data; |
| 99 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 100 | |
| 101 | /* Flush pending memcpy */ |
| 102 | if(*len != 0) { |
| 103 | memcpy(buffer+*to_base+*to, *from, *len); |
| 104 | *to += *len; |
| 105 | *len = 0; |
| 106 | } |
| 107 | |
| 108 | ret = ltt_trace_generic(ltt_facility_user_generic_B1865E44, event_user_generic_string, buffer, reserve_size, LTT_BLOCKING); |
| 109 | } |
| 110 | |
| 111 | return ret; |
| 112 | |
| 113 | } |
| 114 | #endif //LTT_TRACE |
| 115 | #endif //!LTT_TRACE_FAST |
| 116 | |
| 117 | #ifdef LTT_TRACE_FAST |
| 118 | static inline int trace_user_generic_string( |
| 119 | const char * lttng_param_data) |
| 120 | #ifndef LTT_TRACE |
| 121 | { |
| 122 | } |
| 123 | #else |
| 124 | { |
| 125 | unsigned int index; |
| 126 | struct ltt_trace_info *trace = thread_trace_info; |
| 127 | struct ltt_buf *ltt_buf; |
| 128 | char *buffer = NULL; |
| 129 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 130 | size_t *to_base = &real_to_base; |
| 131 | size_t real_to = 0; |
| 132 | size_t *to = &real_to; |
| 133 | size_t real_len = 0; |
| 134 | size_t *len = &real_len; |
| 135 | size_t reserve_size; |
| 136 | size_t slot_size; |
| 137 | const char *real_from; |
| 138 | const char **from = &real_from; |
| 139 | uint64_t tsc; |
| 140 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 141 | |
| 142 | if(!trace) { |
| 143 | ltt_thread_init(); |
| 144 | trace = thread_trace_info; |
| 145 | } |
| 146 | |
| 147 | |
| 148 | /* For each field, calculate the field size. */ |
| 149 | /* size = *to_base + *to + *len */ |
| 150 | /* Assume that the padding for alignment starts at a |
| 151 | * sizeof(void *) address. */ |
| 152 | |
| 153 | *from = (const char*)lttng_param_data; |
| 154 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 155 | |
| 156 | reserve_size = *to_base + *to + *len; |
| 157 | trace->nesting++; |
| 158 | index = ltt_get_index_from_facility(ltt_facility_user_generic_B1865E44, |
| 159 | event_user_generic_string); |
| 160 | |
| 161 | { |
| 162 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 163 | slot_size = 0; |
| 164 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 165 | reserve_size, &slot_size, &tsc, |
| 166 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 167 | if(!buffer) goto end; /* buffer full */ |
| 168 | |
| 169 | *to_base = *to = *len = 0; |
| 170 | |
| 171 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 172 | ltt_facility_user_generic_B1865E44, event_user_generic_string, |
| 173 | reserve_size, before_hdr_pad, tsc); |
| 174 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 175 | |
| 176 | *from = (const char*)lttng_param_data; |
| 177 | lttng_write_string_user_generic_string_data(buffer, to_base, to, from, len, lttng_param_data); |
| 178 | |
| 179 | /* Flush pending memcpy */ |
| 180 | if(*len != 0) { |
| 181 | memcpy(buffer+*to_base+*to, *from, *len); |
| 182 | *to += *len; |
| 183 | *len = 0; |
| 184 | } |
| 185 | |
| 186 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 187 | |
| 188 | } |
| 189 | |
| 190 | end: |
| 191 | trace->nesting--; |
| 192 | } |
| 193 | #endif //LTT_TRACE |
| 194 | #endif //LTT_TRACE_FAST |
| 195 | |
| 196 | /* Event string_pointer structures */ |
| 197 | static inline void lttng_write_string_user_generic_string_pointer_string( |
| 198 | char *buffer, |
| 199 | size_t *to_base, |
| 200 | size_t *to, |
| 201 | const char **from, |
| 202 | size_t *len, |
| 203 | const char * obj) |
| 204 | { |
| 205 | size_t size; |
| 206 | size_t align; |
| 207 | |
| 208 | /* Flush pending memcpy */ |
| 209 | if(*len != 0) { |
| 210 | if(buffer != NULL) |
| 211 | memcpy(buffer+*to_base+*to, *from, *len); |
| 212 | } |
| 213 | *to += *len; |
| 214 | *len = 0; |
| 215 | |
| 216 | align = sizeof(char); |
| 217 | |
| 218 | if(*len == 0) { |
| 219 | *to += ltt_align(*to, align); /* align output */ |
| 220 | } else { |
| 221 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 222 | } |
| 223 | |
| 224 | /* Contains variable sized fields : must explode the structure */ |
| 225 | |
| 226 | size = strlen(obj) + 1; /* Include final NULL char. */ |
| 227 | if(buffer != NULL) |
| 228 | memcpy(buffer+*to_base+*to, obj, size); |
| 229 | *to += size; |
| 230 | |
| 231 | /* Realign the *to_base on arch size, set *to to 0 */ |
| 232 | *to += ltt_align(*to, sizeof(void *)); |
| 233 | *to_base = *to_base+*to; |
| 234 | *to = 0; |
| 235 | |
| 236 | /* Put source *from just after the C string */ |
| 237 | *from += size; |
| 238 | } |
| 239 | |
| 240 | |
| 241 | /* Event string_pointer logging function */ |
| 242 | static inline int trace_user_generic_string_pointer( |
| 243 | const char * lttng_param_string, |
| 244 | const void * lttng_param_pointer); |
| 245 | |
| 246 | #ifndef LTT_TRACE_FAST |
| 247 | static inline int trace_user_generic_string_pointer( |
| 248 | const char * lttng_param_string, |
| 249 | const void * lttng_param_pointer) |
| 250 | #ifndef LTT_TRACE |
| 251 | { |
| 252 | } |
| 253 | #else |
| 254 | { |
| 255 | int ret = 0; |
| 256 | char *buffer = NULL; |
| 257 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 258 | size_t *to_base = &real_to_base; |
| 259 | size_t real_to = 0; |
| 260 | size_t *to = &real_to; |
| 261 | size_t real_len = 0; |
| 262 | size_t *len = &real_len; |
| 263 | size_t reserve_size; |
| 264 | size_t slot_size; |
| 265 | size_t align; |
| 266 | const char *real_from; |
| 267 | const char **from = &real_from; |
| 268 | /* For each field, calculate the field size. */ |
| 269 | /* size = *to_base + *to + *len */ |
| 270 | /* Assume that the padding for alignment starts at a |
| 271 | * sizeof(void *) address. */ |
| 272 | |
| 273 | *from = (const char*)lttng_param_string; |
| 274 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 275 | |
| 276 | *from = (const char*)<tng_param_pointer; |
| 277 | align = sizeof(const void *); |
| 278 | |
| 279 | if(*len == 0) { |
| 280 | *to += ltt_align(*to, align); /* align output */ |
| 281 | } else { |
| 282 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 283 | } |
| 284 | |
| 285 | *len += sizeof(const void *); |
| 286 | |
| 287 | reserve_size = *to_base + *to + *len; |
| 288 | { |
| 289 | char stack_buffer[reserve_size]; |
| 290 | buffer = stack_buffer; |
| 291 | |
| 292 | *to_base = *to = *len = 0; |
| 293 | |
| 294 | *from = (const char*)lttng_param_string; |
| 295 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 296 | |
| 297 | /* Flush pending memcpy */ |
| 298 | if(*len != 0) { |
| 299 | memcpy(buffer+*to_base+*to, *from, *len); |
| 300 | *to += *len; |
| 301 | *len = 0; |
| 302 | } |
| 303 | |
| 304 | *from = (const char*)<tng_param_pointer; |
| 305 | align = sizeof(const void *); |
| 306 | |
| 307 | if(*len == 0) { |
| 308 | *to += ltt_align(*to, align); /* align output */ |
| 309 | } else { |
| 310 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 311 | } |
| 312 | |
| 313 | *len += sizeof(const void *); |
| 314 | |
| 315 | /* Flush pending memcpy */ |
| 316 | if(*len != 0) { |
| 317 | memcpy(buffer+*to_base+*to, *from, *len); |
| 318 | *to += *len; |
| 319 | *len = 0; |
| 320 | } |
| 321 | |
| 322 | ret = ltt_trace_generic(ltt_facility_user_generic_B1865E44, event_user_generic_string_pointer, buffer, reserve_size, LTT_BLOCKING); |
| 323 | } |
| 324 | |
| 325 | return ret; |
| 326 | |
| 327 | } |
| 328 | #endif //LTT_TRACE |
| 329 | #endif //!LTT_TRACE_FAST |
| 330 | |
| 331 | #ifdef LTT_TRACE_FAST |
| 332 | static inline int trace_user_generic_string_pointer( |
| 333 | const char * lttng_param_string, |
| 334 | const void * lttng_param_pointer) |
| 335 | #ifndef LTT_TRACE |
| 336 | { |
| 337 | } |
| 338 | #else |
| 339 | { |
| 340 | unsigned int index; |
| 341 | struct ltt_trace_info *trace = thread_trace_info; |
| 342 | struct ltt_buf *ltt_buf; |
| 343 | char *buffer = NULL; |
| 344 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 345 | size_t *to_base = &real_to_base; |
| 346 | size_t real_to = 0; |
| 347 | size_t *to = &real_to; |
| 348 | size_t real_len = 0; |
| 349 | size_t *len = &real_len; |
| 350 | size_t reserve_size; |
| 351 | size_t slot_size; |
| 352 | size_t align; |
| 353 | const char *real_from; |
| 354 | const char **from = &real_from; |
| 355 | uint64_t tsc; |
| 356 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 357 | |
| 358 | if(!trace) { |
| 359 | ltt_thread_init(); |
| 360 | trace = thread_trace_info; |
| 361 | } |
| 362 | |
| 363 | |
| 364 | /* For each field, calculate the field size. */ |
| 365 | /* size = *to_base + *to + *len */ |
| 366 | /* Assume that the padding for alignment starts at a |
| 367 | * sizeof(void *) address. */ |
| 368 | |
| 369 | *from = (const char*)lttng_param_string; |
| 370 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 371 | |
| 372 | *from = (const char*)<tng_param_pointer; |
| 373 | align = sizeof(const void *); |
| 374 | |
| 375 | if(*len == 0) { |
| 376 | *to += ltt_align(*to, align); /* align output */ |
| 377 | } else { |
| 378 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 379 | } |
| 380 | |
| 381 | *len += sizeof(const void *); |
| 382 | |
| 383 | reserve_size = *to_base + *to + *len; |
| 384 | trace->nesting++; |
| 385 | index = ltt_get_index_from_facility(ltt_facility_user_generic_B1865E44, |
| 386 | event_user_generic_string_pointer); |
| 387 | |
| 388 | { |
| 389 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 390 | slot_size = 0; |
| 391 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 392 | reserve_size, &slot_size, &tsc, |
| 393 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 394 | if(!buffer) goto end; /* buffer full */ |
| 395 | |
| 396 | *to_base = *to = *len = 0; |
| 397 | |
| 398 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 399 | ltt_facility_user_generic_B1865E44, event_user_generic_string_pointer, |
| 400 | reserve_size, before_hdr_pad, tsc); |
| 401 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 402 | |
| 403 | *from = (const char*)lttng_param_string; |
| 404 | lttng_write_string_user_generic_string_pointer_string(buffer, to_base, to, from, len, lttng_param_string); |
| 405 | |
| 406 | /* Flush pending memcpy */ |
| 407 | if(*len != 0) { |
| 408 | memcpy(buffer+*to_base+*to, *from, *len); |
| 409 | *to += *len; |
| 410 | *len = 0; |
| 411 | } |
| 412 | |
| 413 | *from = (const char*)<tng_param_pointer; |
| 414 | align = sizeof(const void *); |
| 415 | |
| 416 | if(*len == 0) { |
| 417 | *to += ltt_align(*to, align); /* align output */ |
| 418 | } else { |
| 419 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 420 | } |
| 421 | |
| 422 | *len += sizeof(const void *); |
| 423 | |
| 424 | /* Flush pending memcpy */ |
| 425 | if(*len != 0) { |
| 426 | memcpy(buffer+*to_base+*to, *from, *len); |
| 427 | *to += *len; |
| 428 | *len = 0; |
| 429 | } |
| 430 | |
| 431 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 432 | |
| 433 | } |
| 434 | |
| 435 | end: |
| 436 | trace->nesting--; |
| 437 | } |
| 438 | #endif //LTT_TRACE |
| 439 | #endif //LTT_TRACE_FAST |
| 440 | |
| 441 | /* Event slow_printf structures */ |
| 442 | static inline void lttng_write_string_user_generic_slow_printf_string( |
| 443 | char *buffer, |
| 444 | size_t *to_base, |
| 445 | size_t *to, |
| 446 | const char **from, |
| 447 | size_t *len, |
| 448 | const char * obj) |
| 449 | { |
| 450 | size_t size; |
| 451 | size_t align; |
| 452 | |
| 453 | /* Flush pending memcpy */ |
| 454 | if(*len != 0) { |
| 455 | if(buffer != NULL) |
| 456 | memcpy(buffer+*to_base+*to, *from, *len); |
| 457 | } |
| 458 | *to += *len; |
| 459 | *len = 0; |
| 460 | |
| 461 | align = sizeof(char); |
| 462 | |
| 463 | if(*len == 0) { |
| 464 | *to += ltt_align(*to, align); /* align output */ |
| 465 | } else { |
| 466 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 467 | } |
| 468 | |
| 469 | /* Contains variable sized fields : must explode the structure */ |
| 470 | |
| 471 | size = strlen(obj) + 1; /* Include final NULL char. */ |
| 472 | if(buffer != NULL) |
| 473 | memcpy(buffer+*to_base+*to, obj, size); |
| 474 | *to += size; |
| 475 | |
| 476 | /* Realign the *to_base on arch size, set *to to 0 */ |
| 477 | *to += ltt_align(*to, sizeof(void *)); |
| 478 | *to_base = *to_base+*to; |
| 479 | *to = 0; |
| 480 | |
| 481 | /* Put source *from just after the C string */ |
| 482 | *from += size; |
| 483 | } |
| 484 | |
| 485 | |
| 486 | /* Event slow_printf logging function */ |
| 487 | static inline int trace_user_generic_slow_printf_param_buffer( |
| 488 | char *buffer, |
| 489 | size_t reserve_size); |
| 490 | |
| 491 | #ifndef LTT_TRACE_FAST |
| 492 | static inline int trace_user_generic_slow_printf_param_buffer( |
| 493 | char *buffer, |
| 494 | size_t reserve_size) |
| 495 | #ifndef LTT_TRACE |
| 496 | { |
| 497 | } |
| 498 | #else |
| 499 | { |
| 500 | int ret = 0; |
| 501 | { |
| 502 | ret = ltt_trace_generic(ltt_facility_user_generic_B1865E44, event_user_generic_slow_printf, buffer, reserve_size, LTT_BLOCKING); |
| 503 | } |
| 504 | |
| 505 | return ret; |
| 506 | |
| 507 | } |
| 508 | #endif //LTT_TRACE |
| 509 | #endif //!LTT_TRACE_FAST |
| 510 | |
| 511 | #ifdef LTT_TRACE_FAST |
| 512 | static inline int trace_user_generic_slow_printf( |
| 513 | const char * lttng_param_string) |
| 514 | #ifndef LTT_TRACE |
| 515 | { |
| 516 | } |
| 517 | #else |
| 518 | { |
| 519 | unsigned int index; |
| 520 | struct ltt_trace_info *trace = thread_trace_info; |
| 521 | struct ltt_buf *ltt_buf; |
| 522 | char *buffer = NULL; |
| 523 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 524 | size_t *to_base = &real_to_base; |
| 525 | size_t real_to = 0; |
| 526 | size_t *to = &real_to; |
| 527 | size_t real_len = 0; |
| 528 | size_t *len = &real_len; |
| 529 | size_t reserve_size; |
| 530 | size_t slot_size; |
| 531 | const char *real_from; |
| 532 | const char **from = &real_from; |
| 533 | uint64_t tsc; |
| 534 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 535 | |
| 536 | if(!trace) { |
| 537 | ltt_thread_init(); |
| 538 | trace = thread_trace_info; |
| 539 | } |
| 540 | |
| 541 | |
| 542 | /* For each field, calculate the field size. */ |
| 543 | /* size = *to_base + *to + *len */ |
| 544 | /* Assume that the padding for alignment starts at a |
| 545 | * sizeof(void *) address. */ |
| 546 | |
| 547 | *from = (const char*)lttng_param_string; |
| 548 | lttng_write_string_user_generic_slow_printf_string(buffer, to_base, to, from, len, lttng_param_string); |
| 549 | |
| 550 | reserve_size = *to_base + *to + *len; |
| 551 | trace->nesting++; |
| 552 | index = ltt_get_index_from_facility(ltt_facility_user_generic_B1865E44, |
| 553 | event_user_generic_slow_printf); |
| 554 | |
| 555 | { |
| 556 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 557 | slot_size = 0; |
| 558 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 559 | reserve_size, &slot_size, &tsc, |
| 560 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 561 | if(!buffer) goto end; /* buffer full */ |
| 562 | |
| 563 | *to_base = *to = *len = 0; |
| 564 | |
| 565 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 566 | ltt_facility_user_generic_B1865E44, event_user_generic_slow_printf, |
| 567 | reserve_size, before_hdr_pad, tsc); |
| 568 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 569 | |
| 570 | *from = (const char*)lttng_param_string; |
| 571 | lttng_write_string_user_generic_slow_printf_string(buffer, to_base, to, from, len, lttng_param_string); |
| 572 | |
| 573 | /* Flush pending memcpy */ |
| 574 | if(*len != 0) { |
| 575 | memcpy(buffer+*to_base+*to, *from, *len); |
| 576 | *to += *len; |
| 577 | *len = 0; |
| 578 | } |
| 579 | |
| 580 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 581 | |
| 582 | } |
| 583 | |
| 584 | end: |
| 585 | trace->nesting--; |
| 586 | } |
| 587 | #endif //LTT_TRACE |
| 588 | #endif //LTT_TRACE_FAST |
| 589 | |
| 590 | /* Event function_entry structures */ |
| 591 | |
| 592 | /* Event function_entry logging function */ |
| 593 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_entry( |
| 594 | const void * lttng_param_this_fn, |
| 595 | const void * lttng_param_call_site); |
| 596 | |
| 597 | #ifndef LTT_TRACE_FAST |
| 598 | static inline int trace_user_generic_function_entry( |
| 599 | const void * lttng_param_this_fn, |
| 600 | const void * lttng_param_call_site) |
| 601 | #ifndef LTT_TRACE |
| 602 | { |
| 603 | } |
| 604 | #else |
| 605 | { |
| 606 | int ret = 0; |
| 607 | char *buffer = NULL; |
| 608 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 609 | size_t *to_base = &real_to_base; |
| 610 | size_t real_to = 0; |
| 611 | size_t *to = &real_to; |
| 612 | size_t real_len = 0; |
| 613 | size_t *len = &real_len; |
| 614 | size_t reserve_size; |
| 615 | size_t slot_size; |
| 616 | size_t align; |
| 617 | const char *real_from; |
| 618 | const char **from = &real_from; |
| 619 | /* For each field, calculate the field size. */ |
| 620 | /* size = *to_base + *to + *len */ |
| 621 | /* Assume that the padding for alignment starts at a |
| 622 | * sizeof(void *) address. */ |
| 623 | |
| 624 | *from = (const char*)<tng_param_this_fn; |
| 625 | align = sizeof(const void *); |
| 626 | |
| 627 | if(*len == 0) { |
| 628 | *to += ltt_align(*to, align); /* align output */ |
| 629 | } else { |
| 630 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 631 | } |
| 632 | |
| 633 | *len += sizeof(const void *); |
| 634 | |
| 635 | *from = (const char*)<tng_param_call_site; |
| 636 | align = sizeof(const void *); |
| 637 | |
| 638 | if(*len == 0) { |
| 639 | *to += ltt_align(*to, align); /* align output */ |
| 640 | } else { |
| 641 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 642 | } |
| 643 | |
| 644 | *len += sizeof(const void *); |
| 645 | |
| 646 | reserve_size = *to_base + *to + *len; |
| 647 | { |
| 648 | char stack_buffer[reserve_size]; |
| 649 | buffer = stack_buffer; |
| 650 | |
| 651 | *to_base = *to = *len = 0; |
| 652 | |
| 653 | *from = (const char*)<tng_param_this_fn; |
| 654 | align = sizeof(const void *); |
| 655 | |
| 656 | if(*len == 0) { |
| 657 | *to += ltt_align(*to, align); /* align output */ |
| 658 | } else { |
| 659 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 660 | } |
| 661 | |
| 662 | *len += sizeof(const void *); |
| 663 | |
| 664 | /* Flush pending memcpy */ |
| 665 | if(*len != 0) { |
| 666 | memcpy(buffer+*to_base+*to, *from, *len); |
| 667 | *to += *len; |
| 668 | *len = 0; |
| 669 | } |
| 670 | |
| 671 | *from = (const char*)<tng_param_call_site; |
| 672 | align = sizeof(const void *); |
| 673 | |
| 674 | if(*len == 0) { |
| 675 | *to += ltt_align(*to, align); /* align output */ |
| 676 | } else { |
| 677 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 678 | } |
| 679 | |
| 680 | *len += sizeof(const void *); |
| 681 | |
| 682 | /* Flush pending memcpy */ |
| 683 | if(*len != 0) { |
| 684 | memcpy(buffer+*to_base+*to, *from, *len); |
| 685 | *to += *len; |
| 686 | *len = 0; |
| 687 | } |
| 688 | |
| 689 | ret = ltt_trace_generic(ltt_facility_user_generic_B1865E44, event_user_generic_function_entry, buffer, reserve_size, LTT_BLOCKING); |
| 690 | } |
| 691 | |
| 692 | return ret; |
| 693 | |
| 694 | } |
| 695 | #endif //LTT_TRACE |
| 696 | #endif //!LTT_TRACE_FAST |
| 697 | |
| 698 | #ifdef LTT_TRACE_FAST |
| 699 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_entry( |
| 700 | const void * lttng_param_this_fn, |
| 701 | const void * lttng_param_call_site) |
| 702 | #ifndef LTT_TRACE |
| 703 | { |
| 704 | } |
| 705 | #else |
| 706 | { |
| 707 | unsigned int index; |
| 708 | struct ltt_trace_info *trace = thread_trace_info; |
| 709 | struct ltt_buf *ltt_buf; |
| 710 | char *buffer = NULL; |
| 711 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 712 | size_t *to_base = &real_to_base; |
| 713 | size_t real_to = 0; |
| 714 | size_t *to = &real_to; |
| 715 | size_t real_len = 0; |
| 716 | size_t *len = &real_len; |
| 717 | size_t reserve_size; |
| 718 | size_t slot_size; |
| 719 | size_t align; |
| 720 | const char *real_from; |
| 721 | const char **from = &real_from; |
| 722 | uint64_t tsc; |
| 723 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 724 | |
| 725 | if(!trace) { |
| 726 | ltt_thread_init(); |
| 727 | trace = thread_trace_info; |
| 728 | } |
| 729 | |
| 730 | |
| 731 | /* For each field, calculate the field size. */ |
| 732 | /* size = *to_base + *to + *len */ |
| 733 | /* Assume that the padding for alignment starts at a |
| 734 | * sizeof(void *) address. */ |
| 735 | |
| 736 | *from = (const char*)<tng_param_this_fn; |
| 737 | align = sizeof(const void *); |
| 738 | |
| 739 | if(*len == 0) { |
| 740 | *to += ltt_align(*to, align); /* align output */ |
| 741 | } else { |
| 742 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 743 | } |
| 744 | |
| 745 | *len += sizeof(const void *); |
| 746 | |
| 747 | *from = (const char*)<tng_param_call_site; |
| 748 | align = sizeof(const void *); |
| 749 | |
| 750 | if(*len == 0) { |
| 751 | *to += ltt_align(*to, align); /* align output */ |
| 752 | } else { |
| 753 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 754 | } |
| 755 | |
| 756 | *len += sizeof(const void *); |
| 757 | |
| 758 | reserve_size = *to_base + *to + *len; |
| 759 | trace->nesting++; |
| 760 | index = ltt_get_index_from_facility(ltt_facility_user_generic_B1865E44, |
| 761 | event_user_generic_function_entry); |
| 762 | |
| 763 | { |
| 764 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 765 | slot_size = 0; |
| 766 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 767 | reserve_size, &slot_size, &tsc, |
| 768 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 769 | if(!buffer) goto end; /* buffer full */ |
| 770 | |
| 771 | *to_base = *to = *len = 0; |
| 772 | |
| 773 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 774 | ltt_facility_user_generic_B1865E44, event_user_generic_function_entry, |
| 775 | reserve_size, before_hdr_pad, tsc); |
| 776 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 777 | |
| 778 | *from = (const char*)<tng_param_this_fn; |
| 779 | align = sizeof(const void *); |
| 780 | |
| 781 | if(*len == 0) { |
| 782 | *to += ltt_align(*to, align); /* align output */ |
| 783 | } else { |
| 784 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 785 | } |
| 786 | |
| 787 | *len += sizeof(const void *); |
| 788 | |
| 789 | /* Flush pending memcpy */ |
| 790 | if(*len != 0) { |
| 791 | memcpy(buffer+*to_base+*to, *from, *len); |
| 792 | *to += *len; |
| 793 | *len = 0; |
| 794 | } |
| 795 | |
| 796 | *from = (const char*)<tng_param_call_site; |
| 797 | align = sizeof(const void *); |
| 798 | |
| 799 | if(*len == 0) { |
| 800 | *to += ltt_align(*to, align); /* align output */ |
| 801 | } else { |
| 802 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 803 | } |
| 804 | |
| 805 | *len += sizeof(const void *); |
| 806 | |
| 807 | /* Flush pending memcpy */ |
| 808 | if(*len != 0) { |
| 809 | memcpy(buffer+*to_base+*to, *from, *len); |
| 810 | *to += *len; |
| 811 | *len = 0; |
| 812 | } |
| 813 | |
| 814 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 815 | |
| 816 | } |
| 817 | |
| 818 | end: |
| 819 | trace->nesting--; |
| 820 | } |
| 821 | #endif //LTT_TRACE |
| 822 | #endif //LTT_TRACE_FAST |
| 823 | |
| 824 | /* Event function_exit structures */ |
| 825 | |
| 826 | /* Event function_exit logging function */ |
| 827 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_exit( |
| 828 | const void * lttng_param_this_fn, |
| 829 | const void * lttng_param_call_site); |
| 830 | |
| 831 | #ifndef LTT_TRACE_FAST |
| 832 | static inline int trace_user_generic_function_exit( |
| 833 | const void * lttng_param_this_fn, |
| 834 | const void * lttng_param_call_site) |
| 835 | #ifndef LTT_TRACE |
| 836 | { |
| 837 | } |
| 838 | #else |
| 839 | { |
| 840 | int ret = 0; |
| 841 | char *buffer = NULL; |
| 842 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 843 | size_t *to_base = &real_to_base; |
| 844 | size_t real_to = 0; |
| 845 | size_t *to = &real_to; |
| 846 | size_t real_len = 0; |
| 847 | size_t *len = &real_len; |
| 848 | size_t reserve_size; |
| 849 | size_t slot_size; |
| 850 | size_t align; |
| 851 | const char *real_from; |
| 852 | const char **from = &real_from; |
| 853 | /* For each field, calculate the field size. */ |
| 854 | /* size = *to_base + *to + *len */ |
| 855 | /* Assume that the padding for alignment starts at a |
| 856 | * sizeof(void *) address. */ |
| 857 | |
| 858 | *from = (const char*)<tng_param_this_fn; |
| 859 | align = sizeof(const void *); |
| 860 | |
| 861 | if(*len == 0) { |
| 862 | *to += ltt_align(*to, align); /* align output */ |
| 863 | } else { |
| 864 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 865 | } |
| 866 | |
| 867 | *len += sizeof(const void *); |
| 868 | |
| 869 | *from = (const char*)<tng_param_call_site; |
| 870 | align = sizeof(const void *); |
| 871 | |
| 872 | if(*len == 0) { |
| 873 | *to += ltt_align(*to, align); /* align output */ |
| 874 | } else { |
| 875 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 876 | } |
| 877 | |
| 878 | *len += sizeof(const void *); |
| 879 | |
| 880 | reserve_size = *to_base + *to + *len; |
| 881 | { |
| 882 | char stack_buffer[reserve_size]; |
| 883 | buffer = stack_buffer; |
| 884 | |
| 885 | *to_base = *to = *len = 0; |
| 886 | |
| 887 | *from = (const char*)<tng_param_this_fn; |
| 888 | align = sizeof(const void *); |
| 889 | |
| 890 | if(*len == 0) { |
| 891 | *to += ltt_align(*to, align); /* align output */ |
| 892 | } else { |
| 893 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 894 | } |
| 895 | |
| 896 | *len += sizeof(const void *); |
| 897 | |
| 898 | /* Flush pending memcpy */ |
| 899 | if(*len != 0) { |
| 900 | memcpy(buffer+*to_base+*to, *from, *len); |
| 901 | *to += *len; |
| 902 | *len = 0; |
| 903 | } |
| 904 | |
| 905 | *from = (const char*)<tng_param_call_site; |
| 906 | align = sizeof(const void *); |
| 907 | |
| 908 | if(*len == 0) { |
| 909 | *to += ltt_align(*to, align); /* align output */ |
| 910 | } else { |
| 911 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 912 | } |
| 913 | |
| 914 | *len += sizeof(const void *); |
| 915 | |
| 916 | /* Flush pending memcpy */ |
| 917 | if(*len != 0) { |
| 918 | memcpy(buffer+*to_base+*to, *from, *len); |
| 919 | *to += *len; |
| 920 | *len = 0; |
| 921 | } |
| 922 | |
| 923 | ret = ltt_trace_generic(ltt_facility_user_generic_B1865E44, event_user_generic_function_exit, buffer, reserve_size, LTT_BLOCKING); |
| 924 | } |
| 925 | |
| 926 | return ret; |
| 927 | |
| 928 | } |
| 929 | #endif //LTT_TRACE |
| 930 | #endif //!LTT_TRACE_FAST |
| 931 | |
| 932 | #ifdef LTT_TRACE_FAST |
| 933 | static inline __attribute__((no_instrument_function)) int trace_user_generic_function_exit( |
| 934 | const void * lttng_param_this_fn, |
| 935 | const void * lttng_param_call_site) |
| 936 | #ifndef LTT_TRACE |
| 937 | { |
| 938 | } |
| 939 | #else |
| 940 | { |
| 941 | unsigned int index; |
| 942 | struct ltt_trace_info *trace = thread_trace_info; |
| 943 | struct ltt_buf *ltt_buf; |
| 944 | char *buffer = NULL; |
| 945 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 946 | size_t *to_base = &real_to_base; |
| 947 | size_t real_to = 0; |
| 948 | size_t *to = &real_to; |
| 949 | size_t real_len = 0; |
| 950 | size_t *len = &real_len; |
| 951 | size_t reserve_size; |
| 952 | size_t slot_size; |
| 953 | size_t align; |
| 954 | const char *real_from; |
| 955 | const char **from = &real_from; |
| 956 | uint64_t tsc; |
| 957 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 958 | |
| 959 | if(!trace) { |
| 960 | ltt_thread_init(); |
| 961 | trace = thread_trace_info; |
| 962 | } |
| 963 | |
| 964 | |
| 965 | /* For each field, calculate the field size. */ |
| 966 | /* size = *to_base + *to + *len */ |
| 967 | /* Assume that the padding for alignment starts at a |
| 968 | * sizeof(void *) address. */ |
| 969 | |
| 970 | *from = (const char*)<tng_param_this_fn; |
| 971 | align = sizeof(const void *); |
| 972 | |
| 973 | if(*len == 0) { |
| 974 | *to += ltt_align(*to, align); /* align output */ |
| 975 | } else { |
| 976 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 977 | } |
| 978 | |
| 979 | *len += sizeof(const void *); |
| 980 | |
| 981 | *from = (const char*)<tng_param_call_site; |
| 982 | align = sizeof(const void *); |
| 983 | |
| 984 | if(*len == 0) { |
| 985 | *to += ltt_align(*to, align); /* align output */ |
| 986 | } else { |
| 987 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 988 | } |
| 989 | |
| 990 | *len += sizeof(const void *); |
| 991 | |
| 992 | reserve_size = *to_base + *to + *len; |
| 993 | trace->nesting++; |
| 994 | index = ltt_get_index_from_facility(ltt_facility_user_generic_B1865E44, |
| 995 | event_user_generic_function_exit); |
| 996 | |
| 997 | { |
| 998 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 999 | slot_size = 0; |
| 1000 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 1001 | reserve_size, &slot_size, &tsc, |
| 1002 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 1003 | if(!buffer) goto end; /* buffer full */ |
| 1004 | |
| 1005 | *to_base = *to = *len = 0; |
| 1006 | |
| 1007 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 1008 | ltt_facility_user_generic_B1865E44, event_user_generic_function_exit, |
| 1009 | reserve_size, before_hdr_pad, tsc); |
| 1010 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 1011 | |
| 1012 | *from = (const char*)<tng_param_this_fn; |
| 1013 | align = sizeof(const void *); |
| 1014 | |
| 1015 | if(*len == 0) { |
| 1016 | *to += ltt_align(*to, align); /* align output */ |
| 1017 | } else { |
| 1018 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 1019 | } |
| 1020 | |
| 1021 | *len += sizeof(const void *); |
| 1022 | |
| 1023 | /* Flush pending memcpy */ |
| 1024 | if(*len != 0) { |
| 1025 | memcpy(buffer+*to_base+*to, *from, *len); |
| 1026 | *to += *len; |
| 1027 | *len = 0; |
| 1028 | } |
| 1029 | |
| 1030 | *from = (const char*)<tng_param_call_site; |
| 1031 | align = sizeof(const void *); |
| 1032 | |
| 1033 | if(*len == 0) { |
| 1034 | *to += ltt_align(*to, align); /* align output */ |
| 1035 | } else { |
| 1036 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 1037 | } |
| 1038 | |
| 1039 | *len += sizeof(const void *); |
| 1040 | |
| 1041 | /* Flush pending memcpy */ |
| 1042 | if(*len != 0) { |
| 1043 | memcpy(buffer+*to_base+*to, *from, *len); |
| 1044 | *to += *len; |
| 1045 | *len = 0; |
| 1046 | } |
| 1047 | |
| 1048 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 1049 | |
| 1050 | } |
| 1051 | |
| 1052 | end: |
| 1053 | trace->nesting--; |
| 1054 | } |
| 1055 | #endif //LTT_TRACE |
| 1056 | #endif //LTT_TRACE_FAST |
| 1057 | |
| 1058 | /* Event thread_brand structures */ |
| 1059 | static inline void lttng_write_string_user_generic_thread_brand_name( |
| 1060 | char *buffer, |
| 1061 | size_t *to_base, |
| 1062 | size_t *to, |
| 1063 | const char **from, |
| 1064 | size_t *len, |
| 1065 | const char * obj) |
| 1066 | { |
| 1067 | size_t size; |
| 1068 | size_t align; |
| 1069 | |
| 1070 | /* Flush pending memcpy */ |
| 1071 | if(*len != 0) { |
| 1072 | if(buffer != NULL) |
| 1073 | memcpy(buffer+*to_base+*to, *from, *len); |
| 1074 | } |
| 1075 | *to += *len; |
| 1076 | *len = 0; |
| 1077 | |
| 1078 | align = sizeof(char); |
| 1079 | |
| 1080 | if(*len == 0) { |
| 1081 | *to += ltt_align(*to, align); /* align output */ |
| 1082 | } else { |
| 1083 | *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */ |
| 1084 | } |
| 1085 | |
| 1086 | /* Contains variable sized fields : must explode the structure */ |
| 1087 | |
| 1088 | size = strlen(obj) + 1; /* Include final NULL char. */ |
| 1089 | if(buffer != NULL) |
| 1090 | memcpy(buffer+*to_base+*to, obj, size); |
| 1091 | *to += size; |
| 1092 | |
| 1093 | /* Realign the *to_base on arch size, set *to to 0 */ |
| 1094 | *to += ltt_align(*to, sizeof(void *)); |
| 1095 | *to_base = *to_base+*to; |
| 1096 | *to = 0; |
| 1097 | |
| 1098 | /* Put source *from just after the C string */ |
| 1099 | *from += size; |
| 1100 | } |
| 1101 | |
| 1102 | |
| 1103 | /* Event thread_brand logging function */ |
| 1104 | static inline int trace_user_generic_thread_brand( |
| 1105 | const char * lttng_param_name); |
| 1106 | |
| 1107 | #ifndef LTT_TRACE_FAST |
| 1108 | static inline int trace_user_generic_thread_brand( |
| 1109 | const char * lttng_param_name) |
| 1110 | #ifndef LTT_TRACE |
| 1111 | { |
| 1112 | } |
| 1113 | #else |
| 1114 | { |
| 1115 | int ret = 0; |
| 1116 | char *buffer = NULL; |
| 1117 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 1118 | size_t *to_base = &real_to_base; |
| 1119 | size_t real_to = 0; |
| 1120 | size_t *to = &real_to; |
| 1121 | size_t real_len = 0; |
| 1122 | size_t *len = &real_len; |
| 1123 | size_t reserve_size; |
| 1124 | size_t slot_size; |
| 1125 | const char *real_from; |
| 1126 | const char **from = &real_from; |
| 1127 | /* For each field, calculate the field size. */ |
| 1128 | /* size = *to_base + *to + *len */ |
| 1129 | /* Assume that the padding for alignment starts at a |
| 1130 | * sizeof(void *) address. */ |
| 1131 | |
| 1132 | *from = (const char*)lttng_param_name; |
| 1133 | lttng_write_string_user_generic_thread_brand_name(buffer, to_base, to, from, len, lttng_param_name); |
| 1134 | |
| 1135 | reserve_size = *to_base + *to + *len; |
| 1136 | { |
| 1137 | char stack_buffer[reserve_size]; |
| 1138 | buffer = stack_buffer; |
| 1139 | |
| 1140 | *to_base = *to = *len = 0; |
| 1141 | |
| 1142 | *from = (const char*)lttng_param_name; |
| 1143 | lttng_write_string_user_generic_thread_brand_name(buffer, to_base, to, from, len, lttng_param_name); |
| 1144 | |
| 1145 | /* Flush pending memcpy */ |
| 1146 | if(*len != 0) { |
| 1147 | memcpy(buffer+*to_base+*to, *from, *len); |
| 1148 | *to += *len; |
| 1149 | *len = 0; |
| 1150 | } |
| 1151 | |
| 1152 | ret = ltt_trace_generic(ltt_facility_user_generic_B1865E44, event_user_generic_thread_brand, buffer, reserve_size, LTT_BLOCKING); |
| 1153 | } |
| 1154 | |
| 1155 | return ret; |
| 1156 | |
| 1157 | } |
| 1158 | #endif //LTT_TRACE |
| 1159 | #endif //!LTT_TRACE_FAST |
| 1160 | |
| 1161 | #ifdef LTT_TRACE_FAST |
| 1162 | static inline int trace_user_generic_thread_brand( |
| 1163 | const char * lttng_param_name) |
| 1164 | #ifndef LTT_TRACE |
| 1165 | { |
| 1166 | } |
| 1167 | #else |
| 1168 | { |
| 1169 | unsigned int index; |
| 1170 | struct ltt_trace_info *trace = thread_trace_info; |
| 1171 | struct ltt_buf *ltt_buf; |
| 1172 | char *buffer = NULL; |
| 1173 | size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */ |
| 1174 | size_t *to_base = &real_to_base; |
| 1175 | size_t real_to = 0; |
| 1176 | size_t *to = &real_to; |
| 1177 | size_t real_len = 0; |
| 1178 | size_t *len = &real_len; |
| 1179 | size_t reserve_size; |
| 1180 | size_t slot_size; |
| 1181 | const char *real_from; |
| 1182 | const char **from = &real_from; |
| 1183 | uint64_t tsc; |
| 1184 | size_t before_hdr_pad, after_hdr_pad, header_size; |
| 1185 | |
| 1186 | if(!trace) { |
| 1187 | ltt_thread_init(); |
| 1188 | trace = thread_trace_info; |
| 1189 | } |
| 1190 | |
| 1191 | |
| 1192 | /* For each field, calculate the field size. */ |
| 1193 | /* size = *to_base + *to + *len */ |
| 1194 | /* Assume that the padding for alignment starts at a |
| 1195 | * sizeof(void *) address. */ |
| 1196 | |
| 1197 | *from = (const char*)lttng_param_name; |
| 1198 | lttng_write_string_user_generic_thread_brand_name(buffer, to_base, to, from, len, lttng_param_name); |
| 1199 | |
| 1200 | reserve_size = *to_base + *to + *len; |
| 1201 | trace->nesting++; |
| 1202 | index = ltt_get_index_from_facility(ltt_facility_user_generic_B1865E44, |
| 1203 | event_user_generic_thread_brand); |
| 1204 | |
| 1205 | { |
| 1206 | ltt_buf = ltt_get_channel_from_index(trace, index); |
| 1207 | slot_size = 0; |
| 1208 | buffer = ltt_reserve_slot(trace, ltt_buf, |
| 1209 | reserve_size, &slot_size, &tsc, |
| 1210 | &before_hdr_pad, &after_hdr_pad, &header_size); |
| 1211 | if(!buffer) goto end; /* buffer full */ |
| 1212 | |
| 1213 | *to_base = *to = *len = 0; |
| 1214 | |
| 1215 | ltt_write_event_header(trace, ltt_buf, buffer, |
| 1216 | ltt_facility_user_generic_B1865E44, event_user_generic_thread_brand, |
| 1217 | reserve_size, before_hdr_pad, tsc); |
| 1218 | *to_base += before_hdr_pad + after_hdr_pad + header_size; |
| 1219 | |
| 1220 | *from = (const char*)lttng_param_name; |
| 1221 | lttng_write_string_user_generic_thread_brand_name(buffer, to_base, to, from, len, lttng_param_name); |
| 1222 | |
| 1223 | /* Flush pending memcpy */ |
| 1224 | if(*len != 0) { |
| 1225 | memcpy(buffer+*to_base+*to, *from, *len); |
| 1226 | *to += *len; |
| 1227 | *len = 0; |
| 1228 | } |
| 1229 | |
| 1230 | ltt_commit_slot(ltt_buf, buffer, slot_size); |
| 1231 | |
| 1232 | } |
| 1233 | |
| 1234 | end: |
| 1235 | trace->nesting--; |
| 1236 | } |
| 1237 | #endif //LTT_TRACE |
| 1238 | #endif //LTT_TRACE_FAST |
| 1239 | |
| 1240 | #ifdef __cplusplus |
| 1241 | } /* end of extern "C" */ |
| 1242 | #endif |
| 1243 | |
| 1244 | #endif //_LTT_FACILITY_USER_GENERIC_H_ |