#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;
#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, \
+ } \
+ } \
}, \
} \
#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, \
+ } \
+ } \
}, \
} \
char padding[LTTNG_UST_EVENT_FIELD_PADDING];
};
+union lttng_ctx_value {
+ int64_t s64;
+ const char *str;
+ double d;
+};
+
#define LTTNG_UST_CTX_FIELD_PADDING 40
struct lttng_ctx_field {
struct lttng_event_field event_field;
void (*record)(struct lttng_ctx_field *field,
struct lttng_ust_lib_ring_buffer_ctx *ctx,
struct lttng_channel *chan);
+ void (*get_value)(struct lttng_ctx_field *field,
+ union lttng_ctx_value *value);
union {
char padding[LTTNG_UST_CTX_FIELD_PADDING];
} u;
} 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;
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];
};
/* 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;
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.
*/
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);
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);
+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);
int lttng_probe_register(struct lttng_probe_desc *desc);
void lttng_probe_unregister(struct lttng_probe_desc *desc);
-int lttng_fix_pending_event_desc(const struct lttng_event_desc *desc);
+int lttng_fix_pending_events(void);
int lttng_probes_init(void);
void lttng_probes_exit(void);
int lttng_find_context(struct lttng_ctx *ctx, const char *name);
+int lttng_get_context_index(struct lttng_ctx *ctx, const char *name);
struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p);
void lttng_remove_context_field(struct lttng_ctx **ctx_p,
struct lttng_ctx_field *field);
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);