/*
- * Copyright (c) 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * 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 <mathieu.desnoyers@efficios.com>
*/
#include <stdint.h>
#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
#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]))
{
}
-#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
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-#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] \
__attribute__((unused)) = \
#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
#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) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
_fields
#include TRACEPOINT_INCLUDE
#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) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static const struct lttng_event_field __event_fields___##_provider##___##_name[] = { \
_fields \
ctf_integer(int, dummy, 0) /* Dummy, C99 forbids 0-len array. */ \
#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
#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_notifier_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));
#include TRACEPOINT_INCLUDE
#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 \
#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 \
#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 \
* 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 \
struct lttng_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.__filter_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, \
__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); \
+ __lttng_ctx.chan_ctx = tp_rcu_dereference(__chan->ctx); \
+ __lttng_ctx.event_ctx = tp_rcu_dereference(__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); \
#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);
*
* Create the event notifier probe function.
*/
-#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_notifier_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); \
static \
const size_t __num_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1;\
union { \
size_t __dynamic_len[__num_fields]; \
- char __filter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \
+ char __interpreter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \
} __stackvar; \
+ \
if (caa_unlikely(!CMM_ACCESS_ONCE(__event_notifier->enabled))) \
return; \
if (caa_unlikely(!TP_RCU_LINK_TEST())) \
struct lttng_bytecode_runtime *__filter_bc_runtime; \
int __filter_record = __event_notifier->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(__filter_bc_runtime, &__event_notifier->filter_bytecode_runtime_head, node) { \
if (caa_unlikely(__filter_bc_runtime->interpreter_funcs.filter(__filter_bc_runtime, \
- __stackvar.__filter_stack_data) & LTTNG_INTERPRETER_RECORD_FLAG)) \
+ __stackvar.__interpreter_stack_data) & LTTNG_INTERPRETER_RECORD_FLAG)) \
__filter_record = 1; \
} \
if (caa_likely(!__filter_record)) \
return; \
} \
+ 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)); \
\
- lttng_event_notifier_notification_send(__event_notifier); \
+ __event_notifier->notification_send(__event_notifier, \
+ __stackvar.__interpreter_stack_data); \
}
#include TRACEPOINT_INCLUDE
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-#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))); \
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-#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)[] = {
lttng_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")));
projects / lttng-ust.git / blobdiff