X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-events.h;h=42a7b24bbb35f103e771d8488cf11ffc6273f265;hb=769b62a02f62ff8db93f109d9f63a1df6ea9990b;hp=c246860d87c4f2347037dced237fcbc8ed9bfecf;hpb=bbd023d66d2368bbfdfb47325963d7e0123c7a8d;p=lttng-modules.git diff --git a/lttng-events.h b/lttng-events.h index c246860d..42a7b24b 100644 --- a/lttng-events.h +++ b/lttng-events.h @@ -28,6 +28,7 @@ #include #include #include +#include #include #include @@ -49,6 +50,10 @@ enum abstract_types { atype_array, atype_sequence, atype_string, + atype_struct, + atype_array_compound, /* Array of compound types. */ + atype_sequence_compound, /* Sequence of compound types. */ + atype_variant, NR_ABSTRACT_TYPES, }; @@ -64,9 +69,17 @@ enum channel_type { METADATA_CHANNEL, }; +struct lttng_enum_value { + unsigned long long value; + unsigned int signedness:1; +}; + struct lttng_enum_entry { - unsigned long long start, end; /* start and end are inclusive */ + struct lttng_enum_value start, end; /* start and end are inclusive */ const char *string; + struct { + unsigned int is_auto:1; + } options; }; #define __type_integer(_type, _size, _alignment, _signedness, \ @@ -96,7 +109,8 @@ struct lttng_integer_type { union _lttng_basic_type { struct lttng_integer_type integer; struct { - const char *name; + const struct lttng_enum_desc *desc; /* Enumeration mapping */ + struct lttng_integer_type container_type; } enumeration; struct { enum lttng_string_encodings encoding; @@ -124,14 +138,30 @@ struct lttng_type { struct lttng_basic_type elem_type; unsigned int elem_alignment; /* alignment override */ } sequence; + struct { + uint32_t nr_fields; + struct lttng_event_field *fields; /* Array of fields. */ + } _struct; + struct { + struct lttng_type *elem_type; + unsigned int length; /* num. elems. */ + } array_compound; + struct { + struct lttng_type *elem_type; + const char *length_name; + } sequence_compound; + struct { + const char *tag_name; + struct lttng_event_field *choices; /* Array of fields. */ + uint32_t nr_choices; + } variant; } u; }; -struct lttng_enum { +struct lttng_enum_desc { const char *name; - struct lttng_type container_type; const struct lttng_enum_entry *entries; - unsigned int len; + unsigned int nr_entries; }; /* Event field description */ @@ -432,6 +462,14 @@ struct lttng_metadata_stream { uint64_t version; /* Current version of the metadata cache */ }; +#define LTTNG_DYNAMIC_LEN_STACK_SIZE 128 + +struct lttng_dynamic_len_stack { + size_t stack[LTTNG_DYNAMIC_LEN_STACK_SIZE]; + size_t offset; +}; + +DECLARE_PER_CPU(struct lttng_dynamic_len_stack, lttng_dynamic_len_stack); /* * struct lttng_pid_tracker declared in header due to deferencing of *v @@ -498,6 +536,7 @@ int lttng_session_enable(struct lttng_session *session); int lttng_session_disable(struct lttng_session *session); void lttng_session_destroy(struct lttng_session *session); int lttng_session_metadata_regenerate(struct lttng_session *session); +int lttng_session_statedump(struct lttng_session *session); void metadata_cache_destroy(struct kref *kref); struct lttng_channel *lttng_channel_create(struct lttng_session *session, @@ -613,6 +652,8 @@ int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler, void lttng_enabler_event_link_bytecode(struct lttng_event *event, struct lttng_enabler *enabler); +int lttng_probes_init(void); + extern struct lttng_ctx *lttng_static_ctx; int lttng_context_init(void);