5 #ifndef _RTE_TRACE_POINT_H_ 6 #define _RTE_TRACE_POINT_H_ 28 #include <rte_compat.h> 42 #define RTE_TRACE_POINT_ARGS 45 #define __RTE_TRACE_POINT(_mode, _tp, _args, ...) \ 46 extern rte_trace_point_t __##_tp; \ 47 static __rte_always_inline void \ 50 __rte_trace_point_emit_header_##_mode(&__##_tp); \ 78 #define RTE_TRACE_POINT(tp, args, ...) \ 79 __RTE_TRACE_POINT(generic, tp, args, __VA_ARGS__) 99 #define RTE_TRACE_POINT_FP(tp, args, ...) \ 100 __RTE_TRACE_POINT(fp, tp, args, __VA_ARGS__) 115 #define RTE_TRACE_POINT_REGISTER(trace, name) 118 #define rte_trace_point_emit_u64(val) 120 #define rte_trace_point_emit_i64(val) 122 #define rte_trace_point_emit_u32(val) 124 #define rte_trace_point_emit_i32(val) 126 #define rte_trace_point_emit_u16(val) 128 #define rte_trace_point_emit_i16(val) 130 #define rte_trace_point_emit_u8(val) 132 #define rte_trace_point_emit_i8(val) 134 #define rte_trace_point_emit_int(val) 136 #define rte_trace_point_emit_long(val) 138 #define rte_trace_point_emit_size_t(val) 140 #define rte_trace_point_emit_float(val) 142 #define rte_trace_point_emit_double(val) 144 #define rte_trace_point_emit_ptr(val) 146 #define rte_trace_point_emit_string(val) 151 #define __RTE_TRACE_EMIT_STRING_LEN_MAX 32 153 #define __RTE_TRACE_EVENT_HEADER_SZ sizeof(uint64_t) 211 __rte_trace_point_fp_is_enabled(
void)
213 #ifdef RTE_ENABLE_TRACE_FP 227 void __rte_trace_mem_per_thread_alloc(
void);
245 void __rte_trace_point_emit_field(
size_t sz,
const char *field,
265 int __rte_trace_point_register(rte_trace_point_t *trace,
const char *name,
266 void (*register_fn)(
void));
270 #ifndef _RTE_TRACE_POINT_REGISTER_H_ 271 #ifdef ALLOW_EXPERIMENTAL_API 273 #define __RTE_TRACE_EVENT_HEADER_ID_SHIFT (48) 275 #define __RTE_TRACE_FIELD_SIZE_SHIFT 0 276 #define __RTE_TRACE_FIELD_SIZE_MASK (0xffffULL << __RTE_TRACE_FIELD_SIZE_SHIFT) 277 #define __RTE_TRACE_FIELD_ID_SHIFT (16) 278 #define __RTE_TRACE_FIELD_ID_MASK (0xffffULL << __RTE_TRACE_FIELD_ID_SHIFT) 279 #define __RTE_TRACE_FIELD_ENABLE_MASK (1ULL << 63) 280 #define __RTE_TRACE_FIELD_ENABLE_DISCARD (1ULL << 62) 282 struct __rte_trace_stream_header {
286 char thread_name[__RTE_TRACE_EMIT_STRING_LEN_MAX];
289 struct __rte_trace_header {
292 struct __rte_trace_stream_header stream_header;
299 __rte_trace_mem_get(uint64_t in)
301 struct __rte_trace_header *trace =
303 const uint16_t sz = in & __RTE_TRACE_FIELD_SIZE_MASK;
307 __rte_trace_mem_per_thread_alloc();
308 trace = (
struct __rte_trace_header *)(
RTE_PER_LCORE(trace_mem));
313 uint32_t offset = trace->offset;
314 if (
unlikely((offset + sz) >= trace->len)) {
316 if (
unlikely(in & __RTE_TRACE_FIELD_ENABLE_DISCARD))
325 trace->offset = offset;
331 __rte_trace_point_emit_ev_header(
void *mem, uint64_t in)
337 ~(0xffffULL << __RTE_TRACE_EVENT_HEADER_ID_SHIFT);
338 val |= ((in & __RTE_TRACE_FIELD_ID_MASK) <<
339 (__RTE_TRACE_EVENT_HEADER_ID_SHIFT -
340 __RTE_TRACE_FIELD_ID_SHIFT));
342 *(uint64_t *)mem = val;
343 return RTE_PTR_ADD(mem, __RTE_TRACE_EVENT_HEADER_SZ);
346 #define __rte_trace_point_emit_header_generic(t) \ 349 const uint64_t val = __atomic_load_n(t, __ATOMIC_ACQUIRE); \ 350 if (likely(!(val & __RTE_TRACE_FIELD_ENABLE_MASK))) \ 352 mem = __rte_trace_mem_get(val); \ 353 if (unlikely(mem == NULL)) \ 355 mem = __rte_trace_point_emit_ev_header(mem, val); \ 358 #define __rte_trace_point_emit_header_fp(t) \ 359 if (!__rte_trace_point_fp_is_enabled()) \ 361 __rte_trace_point_emit_header_generic(t) 363 #define __rte_trace_point_emit(in, type) \ 365 memcpy(mem, &(in), sizeof(in)); \ 366 mem = RTE_PTR_ADD(mem, sizeof(in)); \ 369 #define rte_trace_point_emit_string(in) \ 371 if (unlikely(in == NULL)) \ 373 rte_strscpy(mem, in, __RTE_TRACE_EMIT_STRING_LEN_MAX); \ 374 mem = RTE_PTR_ADD(mem, __RTE_TRACE_EMIT_STRING_LEN_MAX); \ 379 #define __rte_trace_point_emit_header_generic(t) RTE_SET_USED(t) 380 #define __rte_trace_point_emit_header_fp(t) RTE_SET_USED(t) 381 #define __rte_trace_point_emit(in, type) RTE_SET_USED(in) 382 #define rte_trace_point_emit_string(in) RTE_SET_USED(in) 387 #define rte_trace_point_emit_u64(in) __rte_trace_point_emit(in, uint64_t) 388 #define rte_trace_point_emit_i64(in) __rte_trace_point_emit(in, int64_t) 389 #define rte_trace_point_emit_u32(in) __rte_trace_point_emit(in, uint32_t) 390 #define rte_trace_point_emit_i32(in) __rte_trace_point_emit(in, int32_t) 391 #define rte_trace_point_emit_u16(in) __rte_trace_point_emit(in, uint16_t) 392 #define rte_trace_point_emit_i16(in) __rte_trace_point_emit(in, int16_t) 393 #define rte_trace_point_emit_u8(in) __rte_trace_point_emit(in, uint8_t) 394 #define rte_trace_point_emit_i8(in) __rte_trace_point_emit(in, int8_t) 395 #define rte_trace_point_emit_int(in) __rte_trace_point_emit(in, int32_t) 396 #define rte_trace_point_emit_long(in) __rte_trace_point_emit(in, long) 397 #define rte_trace_point_emit_size_t(in) __rte_trace_point_emit(in, size_t) 398 #define rte_trace_point_emit_float(in) __rte_trace_point_emit(in, float) 399 #define rte_trace_point_emit_double(in) __rte_trace_point_emit(in, double) 400 #define rte_trace_point_emit_ptr(in) __rte_trace_point_emit(in, uintptr_t)
#define RTE_DECLARE_PER_LCORE(type, name)
#define __rte_always_inline
#define RTE_ALIGN_CEIL(val, align)
__rte_experimental int rte_trace_point_disable(rte_trace_point_t *tp)
__rte_experimental rte_trace_point_t * rte_trace_point_lookup(const char *name)
#define RTE_PTR_ADD(ptr, x)
unsigned char rte_uuid_t[16]
static uint64_t rte_get_tsc_cycles(void)
__rte_experimental int rte_trace_point_enable(rte_trace_point_t *tp)
#define RTE_PER_LCORE(name)
__rte_experimental bool rte_trace_point_is_enabled(rte_trace_point_t *tp)
uint64_t rte_trace_point_t