X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fevents.h;h=38cb39936ae4138e8e886c4bffe5689f4391c6fc;hb=d17699818fb28f1a23c1f7715b1f1ebe09688df6;hp=4b68836710fea6a1bdd3ad04ff9f2fd88240bbab;hpb=e978f27486ddac0b9cbea5577fc413c67bc61141;p=lttng-modules.git diff --git a/include/lttng/events.h b/include/lttng/events.h index 4b688367..38cb3993 100644 --- a/include/lttng/events.h +++ b/include/lttng/events.h @@ -642,154 +642,9 @@ struct lttng_event_notifier_group { size_t error_counter_len; }; -struct lttng_metadata_cache { - char *data; /* Metadata cache */ - unsigned int cache_alloc; /* Metadata allocated size (bytes) */ - unsigned int metadata_written; /* Number of bytes written in metadata cache */ - atomic_t producing; /* Metadata being produced (incomplete) */ - struct kref refcount; /* Metadata cache usage */ - struct list_head metadata_stream; /* Metadata stream list */ - uuid_le uuid; /* Trace session unique ID (copy) */ - struct mutex lock; /* Produce/consume lock */ - uint64_t version; /* Current version of the metadata */ -}; - -void lttng_lock_sessions(void); -void lttng_unlock_sessions(void); - -struct list_head *lttng_get_probe_list_head(void); - -int lttng_fix_pending_events(void); -int lttng_fix_pending_event_notifiers(void); -int lttng_session_active(void); -bool lttng_event_notifier_active(void); - -struct lttng_session *lttng_session_create(void); -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_counter *lttng_kernel_counter_create( - const char *counter_transport_name, size_t number_dimensions, - const size_t *dimensions_sizes); -int lttng_kernel_counter_read(struct lttng_counter *counter, - const size_t *dimension_indexes, int32_t cpu, - int64_t *val, bool *overflow, bool *underflow); -int lttng_kernel_counter_aggregate(struct lttng_counter *counter, - const size_t *dimension_indexes, int64_t *val, - bool *overflow, bool *underflow); -int lttng_kernel_counter_clear(struct lttng_counter *counter, - const size_t *dimension_indexes); - - -struct lttng_event_notifier_group *lttng_event_notifier_group_create(void); -int lttng_event_notifier_group_create_error_counter( - struct file *event_notifier_group_file, - const struct lttng_kernel_abi_counter_conf *error_counter_conf); -void lttng_event_notifier_group_destroy( - struct lttng_event_notifier_group *event_notifier_group); - -struct lttng_channel *lttng_channel_create(struct lttng_session *session, - const char *transport_name, - void *buf_addr, - size_t subbuf_size, size_t num_subbuf, - unsigned int switch_timer_interval, - unsigned int read_timer_interval, - enum channel_type channel_type); -struct lttng_channel *lttng_global_channel_create(struct lttng_session *session, - int overwrite, void *buf_addr, - size_t subbuf_size, size_t num_subbuf, - unsigned int switch_timer_interval, - unsigned int read_timer_interval); - -void lttng_metadata_channel_destroy(struct lttng_channel *chan); -struct lttng_kernel_event_recorder *lttng_kernel_event_recorder_create(struct lttng_channel *chan, - struct lttng_kernel_abi_event *event_param, - const struct lttng_kernel_event_desc *event_desc, - enum lttng_kernel_abi_instrumentation itype); -struct lttng_kernel_event_recorder *_lttng_kernel_event_recorder_create(struct lttng_channel *chan, - struct lttng_kernel_abi_event *event_param, - const struct lttng_kernel_event_desc *event_desc, - enum lttng_kernel_abi_instrumentation itype); -struct lttng_kernel_event_recorder *lttng_event_compat_old_create(struct lttng_channel *chan, - struct lttng_kernel_abi_old_event *old_event_param, - const struct lttng_kernel_event_desc *internal_desc); - -struct lttng_kernel_event_notifier *lttng_event_notifier_create( - const struct lttng_kernel_event_desc *event_notifier_desc, - uint64_t id, - uint64_t error_counter_idx, - struct lttng_event_notifier_group *event_notifier_group, - struct lttng_kernel_abi_event_notifier *event_notifier_param, - enum lttng_kernel_abi_instrumentation itype); -struct lttng_kernel_event_notifier *_lttng_event_notifier_create( - const struct lttng_kernel_event_desc *event_notifier_desc, - uint64_t id, - uint64_t error_counter_idx, - struct lttng_event_notifier_group *event_notifier_group, - struct lttng_kernel_abi_event_notifier *event_notifier_param, - enum lttng_kernel_abi_instrumentation itype); - -int lttng_channel_enable(struct lttng_channel *channel); -int lttng_channel_disable(struct lttng_channel *channel); -int lttng_event_enable(struct lttng_kernel_event_common *event); -int lttng_event_disable(struct lttng_kernel_event_common *event); - -void lttng_transport_register(struct lttng_transport *transport); -void lttng_transport_unregister(struct lttng_transport *transport); - -void lttng_counter_transport_register(struct lttng_counter_transport *transport); -void lttng_counter_transport_unregister(struct lttng_counter_transport *transport); - -void synchronize_trace(void); -int lttng_abi_init(void); -int lttng_abi_compat_old_init(void); -void lttng_abi_exit(void); -void lttng_abi_compat_old_exit(void); - -int lttng_probe_register(struct lttng_kernel_probe_desc *desc); -void lttng_probe_unregister(struct lttng_kernel_probe_desc *desc); -const struct lttng_kernel_event_desc *lttng_event_desc_get(const char *name); -void lttng_event_desc_put(const struct lttng_kernel_event_desc *desc); -int lttng_probes_init(void); -void lttng_probes_exit(void); - -int lttng_metadata_output_channel(struct lttng_metadata_stream *stream, - struct channel *chan, bool *coherent); - -int lttng_id_tracker_get_node_id(const struct lttng_id_hash_node *node); -int lttng_id_tracker_empty_set(struct lttng_id_tracker *lf); -void lttng_id_tracker_destroy(struct lttng_id_tracker *lf, bool rcu); -bool lttng_id_tracker_lookup(struct lttng_id_tracker_rcu *p, int id); -int lttng_id_tracker_add(struct lttng_id_tracker *lf, int id); -int lttng_id_tracker_del(struct lttng_id_tracker *lf, int id); - -int lttng_session_track_id(struct lttng_session *session, - enum tracker_type tracker_type, int id); -int lttng_session_untrack_id(struct lttng_session *session, - enum tracker_type tracker_type, int id); - -int lttng_session_list_tracker_ids(struct lttng_session *session, - enum tracker_type tracker_type); - -void lttng_clock_ref(void); -void lttng_clock_unref(void); - -void lttng_free_event_filter_runtime(struct lttng_kernel_event_common *event); +int lttng_kernel_probe_register(struct lttng_kernel_probe_desc *desc); +void lttng_kernel_probe_unregister(struct lttng_kernel_probe_desc *desc); -int lttng_probes_init(void); - -int lttng_logger_init(void); -void lttng_logger_exit(void); - -extern int lttng_statedump_start(struct lttng_session *session); - -int lttng_calibrate(struct lttng_kernel_abi_calibrate *calibrate); - -extern const struct file_operations lttng_tracepoint_list_fops; -extern const struct file_operations lttng_syscall_list_fops; +bool lttng_id_tracker_lookup(struct lttng_id_tracker_rcu *p, int id); #endif /* _LTTNG_EVENTS_H */