X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=include%2Flttng%2Fust-tracepoint-event.h;h=fcd5303170d29babaa4fb8f3972f9df8b9ad6b3e;hb=5b4c6da4aa59719b613c612afc05aee91f4343a4;hp=9bf4eeadc1df9a6d581d4ddbc1bf05fa35ab6a43;hpb=e7bc0ef6c86ae97886cf5f8b28854cf281d4962b;p=lttng-ust.git diff --git a/include/lttng/ust-tracepoint-event.h b/include/lttng/ust-tracepoint-event.h index 9bf4eead..fcd53031 100644 --- a/include/lttng/ust-tracepoint-event.h +++ b/include/lttng/ust-tracepoint-event.h @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -703,7 +704,10 @@ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ #define _ctf_array_encoded(_type, _item, _src, _byte_order, _length, \ _encoding, _nowrite, _elem_type_base) \ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \ - __chan->ops->event_write(&__ctx, _src, sizeof(_type) * (_length)); + if (lttng_ust_string_encoding_##_encoding == lttng_ust_string_encoding_none) \ + __chan->ops->event_write(&__ctx, _src, sizeof(_type) * (_length)); \ + else \ + __chan->ops->event_pstrcpy_pad(&__ctx, (const char *) (_src), _length); \ #undef _ctf_sequence_encoded #define _ctf_sequence_encoded(_type, _item, _src, _byte_order, _length_type, \ @@ -714,8 +718,11 @@ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ __chan->ops->event_write(&__ctx, &__tmpl, sizeof(_length_type));\ } \ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \ - __chan->ops->event_write(&__ctx, _src, \ - sizeof(_type) * __get_dynamic_len(dest)); + if (lttng_ust_string_encoding_##_encoding == lttng_ust_string_encoding_none) \ + __chan->ops->event_write(&__ctx, _src, \ + sizeof(_type) * __get_dynamic_len(dest)); \ + else \ + __chan->ops->event_pstrcpy_pad(&__ctx, (const char *) (_src), __get_dynamic_len(dest)); \ #undef _ctf_string #define _ctf_string(_item, _src, _nowrite) \ @@ -766,11 +773,11 @@ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ #define _TP_IP_PARAM(x) (x) #else /* TP_IP_PARAM */ -#if defined(__PPC__) && !defined(__PPC64__) +#if defined(LTTNG_UST_ARCH_PPC) && !defined(LTTNG_UST_ARCH_PPC64) #define _TP_IP_PARAM(x) NULL -#else /* #if defined(__PPC__) && !defined(__PPC64__) */ +#else #define _TP_IP_PARAM(x) __builtin_return_address(0) -#endif /* #else #if defined(__PPC__) && !defined(__PPC64__) */ +#endif #endif /* TP_IP_PARAM */ @@ -796,6 +803,7 @@ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ char __interpreter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \ } __stackvar; \ int __ret; \ + bool __interpreter_stack_prepared = false; \ \ if (0) \ (void) __dynamic_len_idx; /* don't warn if unused */ \ @@ -821,20 +829,12 @@ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ return; \ if (caa_unlikely(!TP_RCU_LINK_TEST())) \ return; \ - if (caa_unlikely(!cds_list_empty(&__event->filter_bytecode_runtime_head))) { \ - struct lttng_ust_bytecode_runtime *__filter_bc_runtime; \ - int __filter_record = __event->has_enablers_without_bytecode; \ - \ + if (caa_unlikely(CMM_ACCESS_ONCE(__event->eval_filter))) { \ __event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \ _TP_ARGS_DATA_VAR(_args)); \ - tp_list_for_each_entry_rcu(__filter_bc_runtime, &__event->filter_bytecode_runtime_head, node) { \ - if (caa_unlikely(__filter_bc_runtime->interpreter_funcs.filter(__filter_bc_runtime, \ - __stackvar.__interpreter_stack_data) & LTTNG_UST_BYTECODE_INTERPRETER_RECORD_FLAG)) { \ - __filter_record = 1; \ - break; \ - } \ - } \ - if (caa_likely(!__filter_record)) \ + __interpreter_stack_prepared = true; \ + if (caa_likely(__event->run_filter(__event, \ + __stackvar.__interpreter_stack_data, NULL) != LTTNG_UST_EVENT_FILTER_ACCEPT)) \ return; \ } \ switch (__event->type) { \ @@ -850,12 +850,9 @@ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ _TP_ARGS_DATA_VAR(_args)); \ __event_align = __event_get_align__##_provider##___##_name(_TP_ARGS_VAR(_args)); \ memset(&__lttng_ctx, 0, sizeof(__lttng_ctx)); \ - __lttng_ctx.struct_size = sizeof(struct lttng_ust_stack_ctx); \ + __lttng_ctx.struct_size = sizeof(struct lttng_ust_stack_ctx); \ __lttng_ctx.event_recorder = __event_recorder; \ - __lttng_ctx.chan_ctx = tp_rcu_dereference(__chan->ctx); \ - __lttng_ctx.event_ctx = tp_rcu_dereference(__event_recorder->ctx); \ - lib_ring_buffer_ctx_init(&__ctx, __chan->chan, &__lttng_ctx, __event_len, \ - __event_align, -1, __chan->handle); \ + lib_ring_buffer_ctx_init(&__ctx, NULL, &__lttng_ctx, __event_len, __event_align); \ __ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \ __ret = __chan->ops->event_reserve(&__ctx, __event_recorder->id); \ if (__ret < 0) \ @@ -867,13 +864,18 @@ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ case LTTNG_UST_EVENT_TYPE_NOTIFIER: \ { \ struct lttng_ust_event_notifier *__event_notifier = (struct lttng_ust_event_notifier *) __event->child; \ + struct lttng_ust_notification_ctx __notif_ctx; \ \ - if (caa_unlikely(!cds_list_empty(&__event_notifier->capture_bytecode_runtime_head))) \ + __notif_ctx.struct_size = sizeof(struct lttng_ust_notification_ctx); \ + __notif_ctx.eval_capture = CMM_ACCESS_ONCE(__event_notifier->eval_capture); \ + \ + if (caa_unlikely(!__interpreter_stack_prepared && __notif_ctx.eval_capture)) \ __event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \ _TP_ARGS_DATA_VAR(_args)); \ \ __event_notifier->notification_send(__event_notifier, \ - __stackvar.__interpreter_stack_data); \ + __stackvar.__interpreter_stack_data, \ + &__notif_ctx); \ break; \ } \ } \ @@ -971,6 +973,19 @@ LTTNG_TP_EXTERN_C const char *_model_emf_uri___##__provider##___##__name \ #undef LTTNG_TP_EXTERN_C +/* + * Stage 7.0 of tracepoint event generation. + * + * Declare toplevel descriptor for the whole probe. + * Unlike C, C++ does not allow tentative definitions. Therefore, we + * need to explicitly declare the variable with "extern", using hidden + * visibility to keep this symbol from being exported to the global + * symbol table. + */ + +extern struct lttng_ust_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) + __attribute__((visibility("hidden"))); + /* * Stage 7.1 of tracepoint event generation. * @@ -992,7 +1007,8 @@ static const char * \ __attribute__((weakref ("_model_emf_uri___" #_provider "___" #_name)));\ static struct lttng_ust_event_desc __event_desc___##_provider##_##_name = { \ .struct_size = sizeof(struct lttng_ust_event_desc), \ - .name = #_provider ":" #_name, \ + .event_name = #_name, \ + .probe_desc = &__probe_desc___##_provider, \ .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template, \ .ctx = NULL, \ .fields = __event_fields___##_provider##___##_template, \ @@ -1029,10 +1045,9 @@ static struct lttng_ust_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOI * Create a toplevel descriptor for the whole probe. */ -/* non-const because list head will be modified when registered. */ -static struct lttng_ust_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = { +struct lttng_ust_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = { .struct_size = sizeof(struct lttng_ust_probe_desc), - .provider = __tp_stringify(TRACEPOINT_PROVIDER), + .provider_name = __tp_stringify(TRACEPOINT_PROVIDER), .event_desc = _TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER), .nr_events = _TP_ARRAY_SIZE(_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)) - 1, .head = { NULL, NULL },