X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-tracepoint-event.h;h=c4e4f1ed5c655bc49daee568010c957565875cbd;hb=35c1f459092b630dd2825450014e27c84b31ddee;hp=7890c247453e93c0c4b0ee9038ce6531b1a49757;hpb=c75c0422c64f33c0102e1778cecc812c58b700e5;p=lttng-ust.git diff --git a/include/lttng/ust-tracepoint-event.h b/include/lttng/ust-tracepoint-event.h index 7890c247..c4e4f1ed 100644 --- a/include/lttng/ust-tracepoint-event.h +++ b/include/lttng/ust-tracepoint-event.h @@ -1,25 +1,10 @@ /* - * Copyright (c) 2011-2012 - Mathieu Desnoyers + * SPDX-License-Identifier: MIT * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. + * Copyright (C) 2011-2012 Mathieu Desnoyers */ +#include #include #include #include @@ -28,16 +13,16 @@ #include #include #include -#include +#include #include #define __LTTNG_UST_NULL_STRING "(null)" #undef tp_list_for_each_entry_rcu #define tp_list_for_each_entry_rcu(pos, head, member) \ - for (pos = cds_list_entry(tp_rcu_dereference_bp((head)->next), __typeof__(*pos), member); \ + for (pos = cds_list_entry(tp_rcu_dereference((head)->next), __typeof__(*pos), member); \ &pos->member != (head); \ - pos = cds_list_entry(tp_rcu_dereference_bp(pos->member.next), __typeof__(*pos), member)) + pos = cds_list_entry(tp_rcu_dereference(pos->member.next), __typeof__(*pos), member)) /* * TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the @@ -52,12 +37,20 @@ #undef TRACEPOINT_EVENT #define TRACEPOINT_EVENT(_provider, _name, _args, _fields) \ - TRACEPOINT_EVENT_CLASS(_provider, _name, \ + _TRACEPOINT_EVENT_CLASS(_provider, _name, \ _TP_PARAMS(_args), \ _TP_PARAMS(_fields)) \ - TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \ + _TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \ _TP_PARAMS(_args)) +#undef TRACEPOINT_EVENT_CLASS +#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ + _TRACEPOINT_EVENT_CLASS(_provider, _name, _TP_PARAMS(_args), _TP_PARAMS(_fields)) + +#undef TRACEPOINT_EVENT_INSTANCE +#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ + _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _TP_PARAMS(_args)) + /* Helpers */ #define _TP_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) @@ -85,12 +78,12 @@ void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(vo { } -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ __tracepoint_provider_mismatch_##_provider(); -#undef TRACEPOINT_EVENT_INSTANCE -#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ +#undef _TRACEPOINT_EVENT_INSTANCE +#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ __tracepoint_provider_mismatch_##_provider(); static inline lttng_ust_notrace @@ -111,10 +104,10 @@ void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void) /* Reset all macros within TRACEPOINT_EVENT */ #include -#undef TRACEPOINT_EVENT_INSTANCE -#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ +#undef _TRACEPOINT_EVENT_INSTANCE +#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ static const char \ - __tp_name_len_check##_provider##___##_name[LTTNG_UST_SYM_NAME_LEN] \ + __tp_name_len_check##_provider##___##_name[LTTNG_UST_ABI_SYM_NAME_LEN] \ __attribute__((unused)) = \ #_provider ":" #_name; @@ -134,12 +127,12 @@ static const char \ #undef TP_ARGS #define TP_ARGS(...) __VA_ARGS__ -#undef TRACEPOINT_EVENT_INSTANCE -#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ +#undef _TRACEPOINT_EVENT_INSTANCE +#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ void __event_template_proto___##_provider##___##_template(_TP_ARGS_DATA_PROTO(_args)); -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); #include TRACEPOINT_INCLUDE @@ -154,7 +147,8 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args) /* Enumeration entry (single value) */ #undef ctf_enum_value #define ctf_enum_value(_string, _value) \ - { \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_enum_entry, { \ + .struct_size = sizeof(struct lttng_ust_enum_entry), \ .start = { \ .value = lttng_is_signed_type(__typeof__(_value)) ? \ (long long) (_value) : (_value), \ @@ -166,12 +160,13 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args) .signedness = lttng_is_signed_type(__typeof__(_value)), \ }, \ .string = (_string), \ - }, + }), /* Enumeration entry (range) */ #undef ctf_enum_range #define ctf_enum_range(_string, _range_start, _range_end) \ - { \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_enum_entry, { \ + .struct_size = sizeof(struct lttng_ust_enum_entry), \ .start = { \ .value = lttng_is_signed_type(__typeof__(_range_start)) ? \ (long long) (_range_start) : (_range_start), \ @@ -183,12 +178,13 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args) .signedness = lttng_is_signed_type(__typeof__(_range_end)), \ }, \ .string = (_string), \ - }, + }), /* Enumeration entry (automatic value; follows the rules of CTF) */ #undef ctf_enum_auto -#define ctf_enum_auto(_string) \ - { \ +#define ctf_enum_auto(_string) \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_enum_entry, { \ + .struct_size = sizeof(struct lttng_ust_enum_entry), \ .start = { \ .value = -1ULL, \ .signedness = 0, \ @@ -198,12 +194,8 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args) .signedness = 0, \ }, \ .string = (_string), \ - .u = { \ - .extra = { \ - .options = LTTNG_ENUM_ENTRY_OPTION_IS_AUTO, \ - }, \ - }, \ - }, + .options = LTTNG_ENUM_ENTRY_OPTION_IS_AUTO, \ + }), #undef TP_ENUM_VALUES #define TP_ENUM_VALUES(...) \ @@ -211,10 +203,40 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args) #undef TRACEPOINT_ENUM #define TRACEPOINT_ENUM(_provider, _name, _values) \ - const struct lttng_enum_entry __enum_values__##_provider##_##_name[] = { \ + const struct lttng_ust_enum_entry *__enum_values__##_provider##_##_name[] = { \ _values \ ctf_enum_value("", 0) /* Dummy, 0-len array forbidden by C99. */ \ }; +#include TRACEPOINT_INCLUDE + +/* + * Stage 0.9.1 + * Verifying array and sequence elements are of an integer type. + */ + +/* Reset all macros within TRACEPOINT_EVENT */ +#include +#include +#include + +#undef _ctf_array_encoded +#define _ctf_array_encoded(_type, _item, _src, _byte_order, \ + _length, _encoding, _nowrite, \ + _elem_type_base) \ + _lttng_array_element_type_is_supported(_type, _item) + +#undef _ctf_sequence_encoded +#define _ctf_sequence_encoded(_type, _item, _src, _byte_order, \ + _length_type, _src_length, _encoding, _nowrite, \ + _elem_type_base) \ + _lttng_array_element_type_is_supported(_type, _item) + +#undef TP_FIELDS +#define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */ + +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ + _fields #include TRACEPOINT_INCLUDE @@ -231,116 +253,124 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args) #include #undef _ctf_integer_ext -#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ - { \ - .name = #_item, \ - .type = __type_integer(_type, _byte_order, _base, none),\ - .nowrite = _nowrite, \ - }, +#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \ + .struct_size = sizeof(struct lttng_ust_event_field), \ + .name = #_item, \ + .type = __type_integer(_type, _byte_order, _base, none), \ + .nowrite = _nowrite, \ + .nofilter = 0, \ + }), #undef _ctf_float #define _ctf_float(_type, _item, _src, _nowrite) \ - { \ - .name = #_item, \ - .type = __type_float(_type), \ - .nowrite = _nowrite, \ - }, + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \ + .struct_size = sizeof(struct lttng_ust_event_field), \ + .name = #_item, \ + .type = __type_float(_type), \ + .nowrite = _nowrite, \ + .nofilter = 0, \ + }), #undef _ctf_array_encoded #define _ctf_array_encoded(_type, _item, _src, _byte_order, \ _length, _encoding, _nowrite, \ _elem_type_base) \ - { \ - .name = #_item, \ - .type = \ - { \ - .atype = atype_array, \ - .u = \ - { \ - .array = \ - { \ - .elem_type = __type_integer(_type, _byte_order, _elem_type_base, _encoding), \ - .length = _length, \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \ + .struct_size = sizeof(struct lttng_ust_event_field), \ + .name = #_item, \ + .type = { \ + .atype = atype_array_nestable, \ + .u = { \ + .array_nestable = { \ + .elem_type = __LTTNG_COMPOUND_LITERAL(struct lttng_type, \ + __type_integer(_type, _byte_order, _elem_type_base, _encoding)), \ + .length = _length, \ + .alignment = 0, \ } \ } \ }, \ - .nowrite = _nowrite, \ - }, + .nowrite = _nowrite, \ + .nofilter = 0, \ + }), #undef _ctf_sequence_encoded #define _ctf_sequence_encoded(_type, _item, _src, _byte_order, \ _length_type, _src_length, _encoding, _nowrite, \ _elem_type_base) \ - { \ - .name = #_item, \ - .type = \ - { \ - .atype = atype_sequence, \ - .u = \ - { \ - .sequence = \ - { \ - .length_type = __type_integer(_length_type, BYTE_ORDER, 10, none), \ - .elem_type = __type_integer(_type, _byte_order, _elem_type_base, _encoding), \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \ + .struct_size = sizeof(struct lttng_ust_event_field), \ + .name = "_" #_item "_length", \ + .type = __type_integer(_length_type, BYTE_ORDER, 10, none), \ + .nowrite = _nowrite, \ + .nofilter = 1, \ + }), \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \ + .struct_size = sizeof(struct lttng_ust_event_field), \ + .name = #_item, \ + .type = { \ + .atype = atype_sequence_nestable, \ + .u = { \ + .sequence_nestable = { \ + .length_name = "_" #_item "_length", \ + .elem_type = __LTTNG_COMPOUND_LITERAL(struct lttng_type, \ + __type_integer(_type, _byte_order, _elem_type_base, _encoding)), \ + .alignment = 0, \ }, \ }, \ }, \ - .nowrite = _nowrite, \ - }, + .nowrite = _nowrite, \ + .nofilter = 0, \ + }), #undef _ctf_string #define _ctf_string(_item, _src, _nowrite) \ - { \ - .name = #_item, \ - .type = \ - { \ - .atype = atype_string, \ - .u = \ - { \ - .basic = { .string = { .encoding = lttng_encode_UTF8 } } \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \ + .struct_size = sizeof(struct lttng_ust_event_field), \ + .name = #_item, \ + .type = { \ + .atype = atype_string, \ + .u = { \ + .string = { .encoding = lttng_encode_UTF8 } \ }, \ }, \ - .nowrite = _nowrite, \ - }, + .nowrite = _nowrite, \ + .nofilter = 0, \ + }), #undef _ctf_enum #define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \ - { \ + __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \ + .struct_size = sizeof(struct lttng_ust_event_field), \ .name = #_item, \ .type = { \ - .atype = atype_enum, \ + .atype = atype_enum_nestable, \ .u = { \ - .basic = { \ - .enumeration = { \ - .desc = &__enum_##_provider##_##_name, \ - .container_type = { \ - .size = sizeof(_type) * CHAR_BIT, \ - .alignment = lttng_alignof(_type) * CHAR_BIT, \ - .signedness = lttng_is_signed_type(_type), \ - .reverse_byte_order = 0, \ - .base = 10, \ - .encoding = lttng_encode_none, \ - }, \ - }, \ - }, \ + .enum_nestable = { \ + .desc = &__enum_##_provider##_##_name, \ + .container_type = __LTTNG_COMPOUND_LITERAL(struct lttng_type, \ + __type_integer(_type, BYTE_ORDER, 10, none)), \ + }, \ }, \ }, \ .nowrite = _nowrite, \ - }, + .nofilter = 0, \ + }), #undef TP_FIELDS #define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */ -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ - static const struct lttng_event_field __event_fields___##_provider##___##_name[] = { \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ + static const struct lttng_ust_event_field *__event_fields___##_provider##___##_name[] = { \ _fields \ ctf_integer(int, dummy, 0) /* Dummy, C99 forbids 0-len array. */ \ }; #undef TRACEPOINT_ENUM #define TRACEPOINT_ENUM(_provider, _name, _values) \ - static const struct lttng_enum_desc __enum_##_provider##_##_name = { \ + static const struct lttng_ust_enum_desc __enum_##_provider##_##_name = { \ + .struct_size = sizeof(struct lttng_ust_enum_desc), \ .name = #_provider "_" #_name, \ .entries = __enum_values__##_provider##_##_name, \ .nr_entries = _TP_ARRAY_SIZE(__enum_values__##_provider##_##_name) - 1, \ @@ -360,8 +390,8 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args) #undef TP_ARGS #define TP_ARGS(...) __VA_ARGS__ -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); #include TRACEPOINT_INCLUDE @@ -417,8 +447,8 @@ static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); #undef TP_FIELDS #define TP_FIELDS(...) __VA_ARGS__ -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ static inline lttng_ust_notrace \ size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)); \ static inline \ @@ -577,10 +607,10 @@ size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS #undef TP_FIELDS #define TP_FIELDS(...) __VA_ARGS__ -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ static inline \ -void __event_prepare_filter_stack__##_provider##___##_name(char *__stack_data,\ +void __event_prepare_interpreter_stack__##_provider##___##_name(char *__stack_data,\ _TP_ARGS_DATA_PROTO(_args)) \ { \ _fields \ @@ -630,8 +660,8 @@ void __event_prepare_filter_stack__##_provider##___##_name(char *__stack_data,\ #undef TP_FIELDS #define TP_FIELDS(...) __VA_ARGS__ -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ static inline lttng_ust_notrace \ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)); \ static inline \ @@ -690,15 +720,6 @@ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ __chan->ops->event_write(&__ctx, _src, \ sizeof(_type) * __get_dynamic_len(dest)); -/* - * __chan->ops->u.has_strcpy is a flag letting us know if the LTTng-UST - * tracepoint provider ABI implements event_strcpy. This dynamic check - * can be removed when the tracepoint provider ABI moves to 2. - */ -#if (LTTNG_UST_PROVIDER_MAJOR > 1) -#error "Tracepoint probe provider major version has changed. Please remove dynamic check for has_strcpy." -#endif - #undef _ctf_string #define _ctf_string(_item, _src, _nowrite) \ { \ @@ -706,12 +727,8 @@ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ ((_src) ? (_src) : __LTTNG_UST_NULL_STRING); \ lib_ring_buffer_align_ctx(&__ctx, \ lttng_alignof(*__ctf_tmp_string)); \ - if (__chan->ops->u.has_strcpy) \ - __chan->ops->event_strcpy(&__ctx, __ctf_tmp_string, \ - __get_dynamic_len(dest)); \ - else \ - __chan->ops->event_write(&__ctx, __ctf_tmp_string, \ - __get_dynamic_len(dest)); \ + __chan->ops->event_strcpy(&__ctx, __ctf_tmp_string, \ + __get_dynamic_len(dest)); \ } @@ -767,66 +784,101 @@ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ * 2*sizeof(unsigned long) for all supported architectures. * Perform UNION (||) of filter runtime list. */ -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ static lttng_ust_notrace \ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); \ static \ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ { \ - struct lttng_event *__event = (struct lttng_event *) __tp_data; \ - struct lttng_channel *__chan = __event->chan; \ - struct lttng_ust_lib_ring_buffer_ctx __ctx; \ - struct lttng_stack_ctx __lttng_ctx; \ - size_t __event_len, __event_align; \ + struct lttng_ust_event_common *__event = (struct lttng_ust_event_common *) __tp_data; \ size_t __dynamic_len_idx = 0; \ + const size_t __num_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1; \ union { \ - size_t __dynamic_len[_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1]; \ - char __filter_stack_data[2 * sizeof(unsigned long) * (_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1)]; \ + size_t __dynamic_len[__num_fields]; \ + char __interpreter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \ } __stackvar; \ int __ret; \ \ if (0) \ (void) __dynamic_len_idx; /* don't warn if unused */ \ - if (!_TP_SESSION_CHECK(session, __chan->session)) \ - return; \ - if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->session->active))) \ - return; \ - if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->enabled))) \ - return; \ + switch (__event->type) { \ + case LTTNG_UST_EVENT_TYPE_RECORDER: \ + { \ + struct lttng_ust_event_recorder *__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \ + struct lttng_channel *__chan = __event_recorder->chan; \ + \ + if (!_TP_SESSION_CHECK(session, __chan->session)) \ + return; \ + if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->session->active))) \ + return; \ + if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->enabled))) \ + return; \ + break; \ + } \ + case LTTNG_UST_EVENT_TYPE_NOTIFIER: \ + break; \ + } \ if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \ return; \ if (caa_unlikely(!TP_RCU_LINK_TEST())) \ return; \ - if (caa_unlikely(!cds_list_empty(&__event->bytecode_runtime_head))) { \ - struct lttng_bytecode_runtime *bc_runtime; \ + 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; \ \ - __event_prepare_filter_stack__##_provider##___##_name(__stackvar.__filter_stack_data, \ + __event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \ _TP_ARGS_DATA_VAR(_args)); \ - tp_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \ - if (caa_unlikely(bc_runtime->filter(bc_runtime, \ - __stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \ + 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_INTERPRETER_RECORD_FLAG)) { \ __filter_record = 1; \ + break; \ + } \ } \ if (caa_likely(!__filter_record)) \ return; \ } \ - __event_len = __event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \ - _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.event = __event; \ - __lttng_ctx.chan_ctx = tp_rcu_dereference_bp(__chan->ctx); \ - __lttng_ctx.event_ctx = tp_rcu_dereference_bp(__event->ctx); \ - lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \ - __event_align, -1, __chan->handle, &__lttng_ctx); \ - __ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \ - __ret = __chan->ops->event_reserve(&__ctx, __event->id); \ - if (__ret < 0) \ - return; \ - _fields \ - __chan->ops->event_commit(&__ctx); \ + switch (__event->type) { \ + case LTTNG_UST_EVENT_TYPE_RECORDER: \ + { \ + size_t __event_len, __event_align; \ + struct lttng_ust_event_recorder *__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \ + struct lttng_channel *__chan = __event_recorder->chan; \ + struct lttng_ust_lib_ring_buffer_ctx __ctx; \ + struct lttng_ust_stack_ctx __lttng_ctx; \ + \ + __event_len = __event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \ + _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.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); \ + __ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \ + __ret = __chan->ops->event_reserve(&__ctx, __event_recorder->id); \ + if (__ret < 0) \ + return; \ + _fields \ + __chan->ops->event_commit(&__ctx); \ + break; \ + } \ + case LTTNG_UST_EVENT_TYPE_NOTIFIER: \ + { \ + struct lttng_ust_event_notifier *__event_notifier = (struct lttng_ust_event_notifier *) __event->child; \ + \ + if (caa_unlikely(!cds_list_empty(&__event_notifier->capture_bytecode_runtime_head))) \ + __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); \ + break; \ + } \ + } \ } #include TRACEPOINT_INCLUDE @@ -847,8 +899,8 @@ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ #define _TP_EXTRACT_STRING2(...) #__VA_ARGS__ -#undef TRACEPOINT_EVENT_CLASS -#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ +#undef _TRACEPOINT_EVENT_CLASS +#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ static const char __tp_event_signature___##_provider##___##_name[] = \ _TP_EXTRACT_STRING2(_args); @@ -932,27 +984,24 @@ LTTNG_TP_EXTERN_C const char *_model_emf_uri___##__provider##___##__name \ /* Reset all macros within TRACEPOINT_EVENT */ #include -#undef TRACEPOINT_EVENT_INSTANCE -#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ +#undef _TRACEPOINT_EVENT_INSTANCE +#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ static const int * \ __ref_loglevel___##_provider##___##_name \ __attribute__((weakref ("_loglevel___" #_provider "___" #_name))); \ static const char * \ __ref_model_emf_uri___##_provider##___##_name \ __attribute__((weakref ("_model_emf_uri___" #_provider "___" #_name)));\ -static const struct lttng_event_desc __event_desc___##_provider##_##_name = { \ +static const struct lttng_ust_event_desc __event_desc___##_provider##_##_name = { \ + .struct_size = sizeof(struct lttng_ust_event_desc), \ .name = #_provider ":" #_name, \ - .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template,\ + .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template, \ .ctx = NULL, \ .fields = __event_fields___##_provider##___##_template, \ .nr_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_template) - 1, \ .loglevel = &__ref_loglevel___##_provider##___##_name, \ .signature = __tp_event_signature___##_provider##___##_template, \ - .u = { \ - .ext = { \ - .model_emf_uri = &__ref_model_emf_uri___##_provider##___##_name, \ - }, \ - }, \ + .model_emf_uri = &__ref_model_emf_uri___##_provider##___##_name, \ }; #include TRACEPOINT_INCLUDE @@ -966,11 +1015,11 @@ static const struct lttng_event_desc __event_desc___##_provider##_##_name = { /* Reset all macros within TRACEPOINT_EVENT */ #include -#undef TRACEPOINT_EVENT_INSTANCE -#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ +#undef _TRACEPOINT_EVENT_INSTANCE +#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ &__event_desc___##_provider##_##_name, -static const struct lttng_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = { +static const struct lttng_ust_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = { #include TRACEPOINT_INCLUDE NULL, /* Dummy, C99 forbids 0-len array. */ }; @@ -983,7 +1032,8 @@ static const struct lttng_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEP */ /* non-const because list head will be modified when registered. */ -static struct lttng_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = { +static 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), .event_desc = _TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER), .nr_events = _TP_ARRAY_SIZE(_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)) - 1, @@ -1029,7 +1079,7 @@ _TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void) * error will appear. */ _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(); - ret = lttng_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); + ret = lttng_ust_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); if (ret) { fprintf(stderr, "LTTng-UST: Error (%d) while registering tracepoint probe.\n", ret); abort(); @@ -1045,7 +1095,8 @@ _TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void) TRACEPOINT_PROVIDER)) { return; } - lttng_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); + lttng_ust_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); } -int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER); +int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER) +__attribute__((visibility("default")));