X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=include%2Flttng%2Fust-events.h;h=d541f81f3445a3c37068ad362ea6c06522394e25;hb=3327ac33b865cf2ee76934ded1c4b3b177edc3b9;hp=4cc507a05c52c1363a7ba20d0aae503955b7d3f1;hpb=5f733922ed1e2db5b397292ede81303a9e538a08;p=lttng-ust.git

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 4cc507a0..d541f81f 100644
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -37,6 +37,15 @@
 
 #define LTTNG_UST_UUID_LEN		16
 
+/*
+ * Tracepoint provider version. Compatibility based on the major number.
+ * Older tracepoint providers can always register to newer lttng-ust
+ * library, but the opposite is rejected: a newer tracepoint provider is
+ * rejected by an older lttng-ust library.
+ */
+#define LTTNG_UST_PROVIDER_MAJOR	1
+#define LTTNG_UST_PROVIDER_MINOR	0
+
 struct lttng_channel;
 struct lttng_session;
 struct lttng_ust_lib_ring_buffer_ctx;
@@ -89,15 +98,21 @@ struct lttng_enum_entry {
 
 #define __type_integer(_type, _byte_order, _base, _encoding)	\
 	{							\
-	    .atype = atype_integer,				\
-	    .u.basic.integer =					\
+	  .atype = atype_integer,				\
+	  .u =							\
 		{						\
-		  .size = sizeof(_type) * CHAR_BIT,		\
-		  .alignment = lttng_alignof(_type) * CHAR_BIT,	\
-		  .signedness = lttng_is_signed_type(_type),	\
-		  .reverse_byte_order = _byte_order != BYTE_ORDER,	\
-		  .base = _base,				\
-		  .encoding = lttng_encode_##_encoding,		\
+		  .basic = 					\
+			{					\
+			  .integer =				\
+				{				\
+				  .size = sizeof(_type) * CHAR_BIT,		\
+				  .alignment = lttng_alignof(_type) * CHAR_BIT,	\
+				  .signedness = lttng_is_signed_type(_type),	\
+				  .reverse_byte_order = _byte_order != BYTE_ORDER, \
+				  .base = _base,				\
+				  .encoding = lttng_encode_##_encoding,		\
+				}				\
+			}					\
 		},						\
 	}							\
 
@@ -123,14 +138,20 @@ struct lttng_integer_type {
 
 #define __type_float(_type)					\
 	{							\
-	    .atype = atype_float,				\
-	    .u.basic._float =					\
+	  .atype = atype_float,					\
+	  .u =							\
 		{						\
-		  .exp_dig = sizeof(_type) * CHAR_BIT		\
-				- _float_mant_dig(_type),	\
-		  .mant_dig = _float_mant_dig(_type),		\
-		  .alignment = lttng_alignof(_type) * CHAR_BIT,	\
-		  .reverse_byte_order = BYTE_ORDER != FLOAT_WORD_ORDER, \
+		  .basic =					\
+			{					\
+			  ._float =				\
+				{				\
+				  .exp_dig = sizeof(_type) * CHAR_BIT		\
+						  - _float_mant_dig(_type),	\
+				  .mant_dig = _float_mant_dig(_type),		\
+				  .alignment = lttng_alignof(_type) * CHAR_BIT,	\
+				  .reverse_byte_order = BYTE_ORDER != FLOAT_WORD_ORDER,	\
+				}				\
+			}					\
 		},						\
 	}							\
 
@@ -251,7 +272,7 @@ struct lttng_event_desc {
 	} u;
 };
 
-#define LTTNG_UST_PROBE_DESC_PADDING	20
+#define LTTNG_UST_PROBE_DESC_PADDING	12
 struct lttng_probe_desc {
 	const char *provider;
 	const struct lttng_event_desc **event_desc;
@@ -259,6 +280,8 @@ struct lttng_probe_desc {
 	struct cds_list_head head;		/* chain registered probes */
 	struct cds_list_head lazy_init_head;
 	int lazy;				/* lazy registration */
+	uint32_t major;
+	uint32_t minor;
 	char padding[LTTNG_UST_PROBE_DESC_PADDING];
 };
 
@@ -278,6 +301,8 @@ struct lttng_enabler {
 
 	/* head list of struct lttng_ust_filter_bytecode_node */
 	struct cds_list_head filter_bytecode_head;
+	/* head list of struct lttng_ust_excluder_node */
+	struct cds_list_head excluder_head;
 	struct cds_list_head node;	/* per-session list of enablers */
 
 	struct lttng_ust_event event_param;
@@ -319,6 +344,15 @@ struct lttng_ust_filter_bytecode_node {
 	struct lttng_ust_filter_bytecode bc;
 };
 
+struct lttng_ust_excluder_node {
+	struct cds_list_head node;
+	struct lttng_enabler *enabler;
+	/*
+	 * struct lttng_ust_event_exclusion had variable sized array,
+	 * must be last field.
+	 */
+	struct lttng_ust_event_exclusion excluder;
+};
 /*
  * Filter return value masks.
  */
@@ -395,6 +429,8 @@ struct lttng_channel_ops {
 			unsigned char *uuid,
 			uint32_t chan_id);
 	void (*channel_destroy)(struct lttng_channel *chan);
+	void *_deprecated1;
+	void *_deprecated2;
 	int (*event_reserve)(struct lttng_ust_lib_ring_buffer_ctx *ctx,
 			     uint32_t event_id);
 	void (*event_commit)(struct lttng_ust_lib_ring_buffer_ctx *ctx);
@@ -477,6 +513,9 @@ struct lttng_session {
 	struct lttng_ust_event_ht events_ht;	/* ht of events */
 	void *owner;				/* object owner */
 	int tstate:1;				/* Transient enable state */
+
+	/* New UST 2.4 */
+	int statedump_pending:1;
 };
 
 struct lttng_transport {
@@ -513,12 +552,14 @@ int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler,
 		struct lttng_ust_filter_bytecode_node *bytecode);
 int lttng_enabler_attach_context(struct lttng_enabler *enabler,
 		struct lttng_ust_context *ctx);
+int lttng_enabler_attach_exclusion(struct lttng_enabler *enabler,
+		struct lttng_ust_excluder_node *excluder);
 
 int lttng_attach_context(struct lttng_ust_context *context_param,
 		struct lttng_ctx **ctx, struct lttng_session *session);
 void lttng_context_init(void);
 void lttng_context_exit(void);
-struct lttng_ctx *lttng_static_ctx;	/* Used by filtering */
+extern struct lttng_ctx *lttng_static_ctx;	/* Used by filtering */
 
 void lttng_transport_register(struct lttng_transport *transport);
 void lttng_transport_unregister(struct lttng_transport *transport);
@@ -540,12 +581,13 @@ int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_procname_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_ip_to_ctx(struct lttng_ctx **ctx);
 void lttng_context_vtid_reset(void);
 void lttng_context_vpid_reset(void);
 
-extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata;
-extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_discard;
-extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite;
+extern const struct lttng_ust_client_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata;
+extern const struct lttng_ust_client_lib_ring_buffer_client_cb *lttng_client_callbacks_discard;
+extern const struct lttng_ust_client_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite;
 
 struct lttng_transport *lttng_transport_find(const char *name);
 
@@ -567,4 +609,8 @@ void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
 struct cds_list_head *lttng_get_probe_list_head(void);
 int lttng_session_active(void);
 
+typedef int (*t_statedump_func_ptr)(struct lttng_session *session);
+void lttng_handle_pending_statedump(void *owner);
+struct cds_list_head *_lttng_get_sessions(void);
+
 #endif /* _LTTNG_UST_EVENTS_H */