/*
- * Copyright (c) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (c) 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+ * 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:
*
- * Permission is hereby granted to use or copy this program
- * for any purpose, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
+ * 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.
*/
#include <stdio.h>
#include <urcu/compiler.h>
+#include <urcu/rculist.h>
#include <lttng/ust-events.h>
#include <lttng/ringbuffer-config.h>
+#include <lttng/ust-compiler.h>
+#include <lttng/tracepoint.h>
#include <string.h>
-/*
- * Macro declarations used for all stages.
- */
-
-#undef ctf_integer
-#define ctf_integer(_type, _item, _src) \
- ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10)
-
-#undef ctf_integer_hex
-#define ctf_integer_hex(_type, _item, _src) \
- ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 16)
-
-#undef ctf_integer_network
-#define ctf_integer_network(_type, _item, _src) \
- ctf_integer_ext(_type, _item, _src, BIG_ENDIAN, 10)
-
-#undef ctf_integer_network_hex
-#define ctf_integer_network_hex(_type, _item, _src) \
- ctf_integer_ext(_type, _item, _src, BIG_ENDIAN, 16)
-
-/* ctf_float is redefined at each step */
-
-#undef ctf_array
-#define ctf_array(_type, _item, _src, _length) \
- ctf_array_encoded(_type, _item, _src, _length, none)
-
-#undef ctf_array_text
-#define ctf_array_text(_type, _item, _src, _length) \
- ctf_array_encoded(_type, _item, _src, _length, UTF8)
-
-#undef ctf_sequence
-#define ctf_sequence(_type, _item, _src, _length_type, _src_length) \
- ctf_sequence_encoded(_type, _item, _src, \
- _length_type, _src_length, none)
-
-#undef ctf_sequence_text
-#define ctf_sequence_text(_type, _item, _src, _length_type, _src_length) \
- ctf_sequence_encoded(_type, _item, _src, \
- _length_type, _src_length, UTF8)
-
-/* ctf_string is redefined at each step */
+#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); \
+ &pos->member != (head); \
+ pos = cds_list_entry(tp_rcu_dereference_bp(pos->member.next), __typeof__(*pos), member))
/*
* TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the
#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
__tracepoint_provider_mismatch_##_provider();
-static __attribute__((unused))
+static inline
void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void)
{
#include TRACEPOINT_INCLUDE
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
+#include <lttng/ust-tracepoint-event-write.h>
+#include <lttng/ust-tracepoint-event-nowrite.h>
-#undef ctf_integer_ext
-#define ctf_integer_ext(_type, _item, _src, _byte_order, _base) \
+#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, \
},
-#undef ctf_float
-#define ctf_float(_type, _item, _src) \
+#undef _ctf_float
+#define _ctf_float(_type, _item, _src, _nowrite) \
{ \
.name = #_item, \
.type = __type_float(_type), \
+ .nowrite = _nowrite, \
},
-#undef ctf_array_encoded
-#define ctf_array_encoded(_type, _item, _src, _length, _encoding) \
+#undef _ctf_array_encoded
+#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \
{ \
.name = #_item, \
.type = \
.elem_type = __type_integer(_type, BYTE_ORDER, 10, _encoding), \
}, \
}, \
+ .nowrite = _nowrite, \
},
-#undef ctf_sequence_encoded
-#define ctf_sequence_encoded(_type, _item, _src, \
- _length_type, _src_length, _encoding) \
+#undef _ctf_sequence_encoded
+#define _ctf_sequence_encoded(_type, _item, _src, \
+ _length_type, _src_length, _encoding, _nowrite) \
{ \
.name = #_item, \
.type = \
.elem_type = __type_integer(_type, BYTE_ORDER, 10, _encoding), \
}, \
}, \
+ .nowrite = _nowrite, \
},
-#undef ctf_string
-#define ctf_string(_item, _src) \
+#undef _ctf_string
+#define _ctf_string(_item, _src, _nowrite) \
{ \
.name = #_item, \
.type = \
.atype = atype_string, \
.u.basic.string.encoding = lttng_encode_UTF8, \
}, \
+ .nowrite = _nowrite, \
},
#undef TP_FIELDS
-#define TP_FIELDS(args...) args /* Only one used in this phase */
+#define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */
#undef TRACEPOINT_EVENT_CLASS
#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
#include <lttng/ust-tracepoint-event-reset.h>
#undef TP_ARGS
-#define TP_ARGS(args...) args
+#define TP_ARGS(...) __VA_ARGS__
#undef TRACEPOINT_EVENT_CLASS
#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
+#include <lttng/ust-tracepoint-event-write.h>
-#undef ctf_integer_ext
-#define ctf_integer_ext(_type, _item, _src, _byte_order, _base) \
+#undef _ctf_integer_ext
+#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
__event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
__event_len += sizeof(_type);
-#undef ctf_float
-#define ctf_float(_type, _item, _src) \
+#undef _ctf_float
+#define _ctf_float(_type, _item, _src, _nowrite) \
__event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
__event_len += sizeof(_type);
-#undef ctf_array_encoded
-#define ctf_array_encoded(_type, _item, _src, _length, _encoding) \
+#undef _ctf_array_encoded
+#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \
__event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
__event_len += sizeof(_type) * (_length);
-#undef ctf_sequence_encoded
-#define ctf_sequence_encoded(_type, _item, _src, _length_type, \
- _src_length, _encoding) \
+#undef _ctf_sequence_encoded
+#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \
+ _src_length, _encoding, _nowrite) \
__event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_length_type)); \
__event_len += sizeof(_length_type); \
__event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
__event_len += sizeof(_type) * __dynamic_len[__dynamic_len_idx]; \
__dynamic_len_idx++;
-#undef ctf_string
-#define ctf_string(_item, _src) \
+#undef _ctf_string
+#define _ctf_string(_item, _src, _nowrite) \
__event_len += __dynamic_len[__dynamic_len_idx++] = strlen(_src) + 1;
#undef TP_ARGS
-#define TP_ARGS(args...) args
+#define TP_ARGS(...) __VA_ARGS__
#undef TP_FIELDS
-#define TP_FIELDS(args...) args
+#define TP_FIELDS(...) __VA_ARGS__
#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
-static inline size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)) \
+#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 \
+size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)) \
{ \
size_t __event_len = 0; \
unsigned int __dynamic_len_idx = 0; \
#include TRACEPOINT_INCLUDE
+/*
+ * Stage 3.1 of tracepoint event generation.
+ *
+ * Create static inline function that layout the filter stack data.
+ * We make both write and nowrite data available to the filter.
+ */
+
+/* Reset all macros within TRACEPOINT_EVENT */
+#include <lttng/ust-tracepoint-event-reset.h>
+#include <lttng/ust-tracepoint-event-write.h>
+#include <lttng/ust-tracepoint-event-nowrite.h>
+
+#undef _ctf_integer_ext
+#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
+ if (lttng_is_signed_type(_type)) { \
+ int64_t __ctf_tmp_int64 = (int64_t) (_type) (_src); \
+ memcpy(__stack_data, &__ctf_tmp_int64, sizeof(int64_t)); \
+ } else { \
+ uint64_t __ctf_tmp_uint64 = (uint64_t) (_type) (_src); \
+ memcpy(__stack_data, &__ctf_tmp_uint64, sizeof(uint64_t)); \
+ } \
+ __stack_data += sizeof(int64_t);
+
+#undef _ctf_float
+#define _ctf_float(_type, _item, _src, _nowrite) \
+ { \
+ double __ctf_tmp_double = (double) (_type) (_src); \
+ memcpy(__stack_data, &__ctf_tmp_double, sizeof(double)); \
+ __stack_data += sizeof(double); \
+ }
+
+#undef _ctf_array_encoded
+#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \
+ { \
+ unsigned long __ctf_tmp_ulong = (unsigned long) (_length); \
+ const void *__ctf_tmp_ptr = (_src); \
+ memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \
+ __stack_data += sizeof(unsigned long); \
+ memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
+ __stack_data += sizeof(void **); \
+ }
+
+#undef _ctf_sequence_encoded
+#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \
+ _src_length, _encoding, _nowrite) \
+ { \
+ unsigned long __ctf_tmp_ulong = (unsigned long) (_src_length); \
+ const void *__ctf_tmp_ptr = (_src); \
+ memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \
+ __stack_data += sizeof(unsigned long); \
+ memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
+ __stack_data += sizeof(void **); \
+ }
+
+#undef _ctf_string
+#define _ctf_string(_item, _src, _nowrite) \
+ { \
+ const void *__ctf_tmp_ptr = (_src); \
+ memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
+ __stack_data += sizeof(void **); \
+ }
+
+#undef TP_ARGS
+#define TP_ARGS(...) __VA_ARGS__
+
+#undef TP_FIELDS
+#define TP_FIELDS(...) __VA_ARGS__
+
+#undef TRACEPOINT_EVENT_CLASS
+#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+static inline \
+void __event_prepare_filter_stack__##_provider##___##_name(char *__stack_data,\
+ _TP_ARGS_DATA_PROTO(_args)) \
+{ \
+ _fields \
+}
+
+#include TRACEPOINT_INCLUDE
+
+
+
/*
* Stage 4 of tracepoint event generation.
*
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
+#include <lttng/ust-tracepoint-event-write.h>
-#undef ctf_integer_ext
-#define ctf_integer_ext(_type, _item, _src, _byte_order, _base) \
+#undef _ctf_integer_ext
+#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
__event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
-#undef ctf_float
-#define ctf_float(_type, _item, _src) \
+#undef _ctf_float
+#define _ctf_float(_type, _item, _src, _nowrite) \
__event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
-#undef ctf_array_encoded
-#define ctf_array_encoded(_type, _item, _src, _length, _encoding) \
+#undef _ctf_array_encoded
+#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \
__event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
-#undef ctf_sequence_encoded
-#define ctf_sequence_encoded(_type, _item, _src, _length_type, \
- _src_length, _encoding) \
+#undef _ctf_sequence_encoded
+#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \
+ _src_length, _encoding, _nowrite) \
__event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_length_type)); \
__event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
-#undef ctf_string
-#define ctf_string(_item, _src)
+#undef _ctf_string
+#define _ctf_string(_item, _src, _nowrite)
#undef TP_ARGS
-#define TP_ARGS(args...) args
+#define TP_ARGS(...) __VA_ARGS__
#undef TP_FIELDS
-#define TP_FIELDS(args...) args
+#define TP_FIELDS(...) __VA_ARGS__
#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 \
size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \
{ \
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
+#include <lttng/ust-tracepoint-event-write.h>
-#undef ctf_integer_ext
-#define ctf_integer_ext(_type, _item, _src, _byte_order, _base) \
+#undef _ctf_integer_ext
+#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
{ \
_type __tmp = (_src); \
lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\
__chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\
}
-#undef ctf_float
-#define ctf_float(_type, _item, _src) \
+#undef _ctf_float
+#define _ctf_float(_type, _item, _src, _nowrite) \
{ \
_type __tmp = (_src); \
lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\
__chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\
}
-#undef ctf_array_encoded
-#define ctf_array_encoded(_type, _item, _src, _length, _encoding) \
+#undef _ctf_array_encoded
+#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \
lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \
__chan->ops->event_write(&__ctx, _src, sizeof(_type) * (_length));
-#undef ctf_sequence_encoded
-#define ctf_sequence_encoded(_type, _item, _src, _length_type, \
- _src_length, _encoding) \
+#undef _ctf_sequence_encoded
+#define _ctf_sequence_encoded(_type, _item, _src, _length_type, \
+ _src_length, _encoding, _nowrite) \
{ \
- _length_type __tmpl = __dynamic_len[__dynamic_len_idx]; \
+ _length_type __tmpl = __stackvar.__dynamic_len[__dynamic_len_idx]; \
lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_length_type));\
__chan->ops->event_write(&__ctx, &__tmpl, sizeof(_length_type));\
} \
__chan->ops->event_write(&__ctx, _src, \
sizeof(_type) * __get_dynamic_len(dest));
-#undef ctf_string
-#define ctf_string(_item, _src) \
+#undef _ctf_string
+#define _ctf_string(_item, _src, _nowrite) \
lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(*(_src))); \
__chan->ops->event_write(&__ctx, _src, __get_dynamic_len(dest));
/* Beware: this get len actually consumes the len value */
#undef __get_dynamic_len
-#define __get_dynamic_len(field) __dynamic_len[__dynamic_len_idx++]
+#define __get_dynamic_len(field) __stackvar.__dynamic_len[__dynamic_len_idx++]
#undef TP_ARGS
-#define TP_ARGS(args...) args
+#define TP_ARGS(...) __VA_ARGS__
#undef TP_FIELDS
-#define TP_FIELDS(args...) args
+#define TP_FIELDS(...) __VA_ARGS__
+/*
+ * Using twice size for filter stack data to hold size and pointer for
+ * each field (worse case). For integers, max size required is 64-bit.
+ * Same for double-precision floats. Those fit within
+ * 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) \
-static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args))\
+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 ltt_event *__event = __tp_data; \
- struct ltt_channel *__chan = __event->chan; \
+ struct lttng_event *__event = __tp_data; \
+ struct lttng_channel *__chan = __event->chan; \
struct lttng_ust_lib_ring_buffer_ctx __ctx; \
size_t __event_len, __event_align; \
size_t __dynamic_len_idx = 0; \
- size_t __dynamic_len[_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name)]; \
+ union { \
+ size_t __dynamic_len[_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name)]; \
+ char __filter_stack_data[2 * sizeof(unsigned long) * _TP_ARRAY_SIZE(__event_fields___##_provider##___##_name)]; \
+ } __stackvar; \
int __ret; \
\
if (0) \
return; \
if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \
return; \
- __event_len = __event_get_size__##_provider##___##_name(__dynamic_len,\
+ if (caa_unlikely(!TP_RCU_LINK_TEST())) \
+ return; \
+ if (caa_unlikely(!cds_list_empty(&__event->bytecode_runtime_head))) { \
+ struct lttng_bytecode_runtime *bc_runtime; \
+ int __filter_record = __event->has_enablers_without_bytecode; \
+ \
+ __event_prepare_filter_stack__##_provider##___##_name(__stackvar.__filter_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)) \
+ __filter_record = 1; \
+ } \
+ 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)); \
lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \
#include <lttng/ust-tracepoint-event-reset.h>
#undef TP_ARGS
-#define TP_ARGS(args...) #args
+#define TP_ARGS(...) __VA_ARGS__
+
+#define _TP_EXTRACT_STRING2(...) #__VA_ARGS__
#undef TRACEPOINT_EVENT_CLASS
#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
const char __tp_event_signature___##_provider##___##_name[] = \
- _args;
+ _TP_EXTRACT_STRING2(_args);
#include TRACEPOINT_INCLUDE
+#undef _TP_EXTRACT_STRING2
+
/*
* Stage 6 of tracepoint event generation.
*
#include TRACEPOINT_INCLUDE
+/*
+ * Stage 6.1 of tracepoint event generation.
+ *
+ * Tracepoint UML URI info.
+ */
+
+/* Reset all macros within TRACEPOINT_EVENT */
+#include <lttng/ust-tracepoint-event-reset.h>
+
+#undef TRACEPOINT_MODEL_EMF_URI
+#define TRACEPOINT_MODEL_EMF_URI(__provider, __name, __uri) \
+static const char *_model_emf_uri___##__provider##___##__name = __uri;
+
+#include TRACEPOINT_INCLUDE
+
/*
* Stage 7.1 of tracepoint event generation.
*
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)));\
const struct lttng_event_desc __event_desc___##_provider##_##_name = { \
.fields = __event_fields___##_provider##___##_template, \
.name = #_provider ":" #_name, \
- .probe_callback = (void *) &__event_probe__##_provider##___##_template,\
+ .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template,\
.nr_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_template), \
.loglevel = &__ref_loglevel___##_provider##___##_name, \
.signature = __tp_event_signature___##_provider##___##_template, \
+ .u.ext.model_emf_uri = &__ref_model_emf_uri___##_provider##___##_name, \
};
#include TRACEPOINT_INCLUDE
.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)),
+ .major = LTTNG_UST_PROVIDER_MAJOR,
+ .minor = LTTNG_UST_PROVIDER_MINOR,
};
/*
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-static void __attribute__((constructor))
+static void lttng_ust_notrace __attribute__((constructor))
+_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void);
+static void
_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void)
{
int ret;
- ret = ltt_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ /*
+ * __tracepoint_provider_check_ ## TRACEPOINT_PROVIDER() is a
+ * static inline function that ensures every probe PROVIDER
+ * argument match the provider within which they appear. It
+ * calls empty static inline functions, and therefore has no
+ * runtime effect. However, if it detects an error, a linker
+ * error will appear.
+ */
+ _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)();
+ ret = lttng_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
assert(!ret);
}
-static void __attribute__((destructor))
+static void lttng_ust_notrace __attribute__((destructor))
+_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void);
+static void
_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void)
{
- ltt_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ lttng_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
}
int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER);
projects / lttng-ust.git / blobdiff