-void lttng_lock_sessions(void);
-void lttng_unlock_sessions(void);
-
-struct list_head *lttng_get_probe_list_head(void);
-
-struct lttng_event_enabler *lttng_event_enabler_create(
- enum lttng_enabler_format_type format_type,
- struct lttng_kernel_event *event_param,
- struct lttng_channel *chan);
-
-int lttng_event_enabler_enable(struct lttng_event_enabler *event_enabler);
-int lttng_event_enabler_disable(struct lttng_event_enabler *event_enabler);
-struct lttng_event_notifier_enabler *lttng_event_notifier_enabler_create(
- struct lttng_event_notifier_group *event_notifier_group,
- enum lttng_enabler_format_type format_type,
- struct lttng_kernel_event_notifier *event_notifier_param);
-
-int lttng_event_notifier_enabler_enable(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
-int lttng_event_notifier_enabler_disable(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
-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_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_event *lttng_event_create(struct lttng_channel *chan,
- struct lttng_kernel_event *event_param,
- void *filter,
- const struct lttng_event_desc *event_desc,
- enum lttng_kernel_instrumentation itype);
-struct lttng_event *_lttng_event_create(struct lttng_channel *chan,
- struct lttng_kernel_event *event_param,
- void *filter,
- const struct lttng_event_desc *event_desc,
- enum lttng_kernel_instrumentation itype);
-struct lttng_event *lttng_event_compat_old_create(struct lttng_channel *chan,
- struct lttng_kernel_old_event *old_event_param,
- void *filter,
- const struct lttng_event_desc *internal_desc);
-
-struct lttng_event_notifier *lttng_event_notifier_create(
- const struct lttng_event_desc *event_notifier_desc,
- uint64_t id,
- uint64_t error_counter_idx,
- struct lttng_event_notifier_group *event_notifier_group,
- struct lttng_kernel_event_notifier *event_notifier_param,
- void *filter,
- enum lttng_kernel_instrumentation itype);
-struct lttng_event_notifier *_lttng_event_notifier_create(
- const struct lttng_event_desc *event_notifier_desc,
- uint64_t id,
- uint64_t error_counter_idx,
- struct lttng_event_notifier_group *event_notifier_group,
- struct lttng_kernel_event_notifier *event_notifier_param,
- void *filter,
- enum lttng_kernel_instrumentation itype);
-
-int lttng_channel_enable(struct lttng_channel *channel);
-int lttng_channel_disable(struct lttng_channel *channel);
-int lttng_event_enable(struct lttng_event *event);
-int lttng_event_disable(struct lttng_event *event);
-
-int lttng_event_notifier_enable(struct lttng_event_notifier *event_notifier);
-int lttng_event_notifier_disable(struct lttng_event_notifier *event_notifier);
-
-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_probe_desc *desc);
-void lttng_probe_unregister(struct lttng_probe_desc *desc);
-const struct lttng_event_desc *lttng_event_desc_get(const char *name);
-void lttng_event_desc_put(const struct lttng_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);
-
-int lttng_desc_match_enabler(const struct lttng_event_desc *desc,
- struct lttng_enabler *enabler);
-
-#if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
-int lttng_syscalls_register_event(struct lttng_event_enabler *event_enabler, void *filter);
-int lttng_syscalls_unregister_channel(struct lttng_channel *chan);
-int lttng_syscalls_destroy_event(struct lttng_channel *chan);
-int lttng_syscall_filter_enable_event(
- struct lttng_channel *chan,
- struct lttng_event *event);
-int lttng_syscall_filter_disable_event(
- struct lttng_channel *chan,
- struct lttng_event *event);
-
-long lttng_channel_syscall_mask(struct lttng_channel *channel,
- struct lttng_kernel_syscall_mask __user *usyscall_mask);
-
-int lttng_syscalls_register_event_notifier(
- struct lttng_event_notifier_enabler *event_notifier_enabler,
- void *filter);
-int lttng_syscals_create_matching_event_notifiers(
- struct lttng_event_notifier_enabler *event_notifier_enabler, void *filter);
-int lttng_syscalls_unregister_event_notifier_group(struct lttng_event_notifier_group *group);
-int lttng_syscall_filter_enable_event_notifier(struct lttng_event_notifier *event_notifier);
-int lttng_syscall_filter_disable_event_notifier(struct lttng_event_notifier *event_notifier);
-#else
-static inline int lttng_syscalls_register_event(
- struct lttng_event_enabler *event_enabler, void *filter)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscalls_unregister_channel(struct lttng_channel *chan)
-{
- return 0;
-}
-
-static inline int lttng_syscalls_destroy(struct lttng_channel *chan)
-{
- return 0;
-}
-
-static inline int lttng_syscall_filter_enable_event(struct lttng_channel *chan,
- struct lttng_event *event);
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscall_filter_disable_event(struct lttng_channel *chan,
- struct lttng_event *event);
-{
- return -ENOSYS;
-}
-
-static inline long lttng_channel_syscall_mask(struct lttng_channel *channel,
- struct lttng_kernel_syscall_mask __user *usyscall_mask)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscalls_register_event_notifier(
- struct lttng_event_notifier_group *group, void *filter)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscalls_unregister_event_notifier_group(
- struct lttng_event_notifier_group *group)
-{
- return 0;
-}
-
-static inline int lttng_syscall_filter_enable_event_notifier(
- struct lttng_event_notifier_group *group,
- const char *name)
-{
- return -ENOSYS;
-}
-
-static inline int lttng_syscall_filter_disable_event_notifier(
- struct lttng_event_notifier_group *group,
- const char *name)
-{
- return -ENOSYS;
-}
-
-#endif
-
-int lttng_event_enabler_attach_filter_bytecode(struct lttng_event_enabler *event_enabler,
- struct lttng_kernel_filter_bytecode __user *bytecode);
-int lttng_event_notifier_enabler_attach_filter_bytecode(
- struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_kernel_filter_bytecode __user *bytecode);
-int lttng_event_notifier_enabler_attach_capture_bytecode(
- struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_kernel_capture_bytecode __user *bytecode);
-
-void lttng_enabler_link_bytecode(const struct lttng_event_desc *event_desc,
- struct lttng_ctx *ctx,
- struct list_head *instance_bytecode_runtime_head,
- struct list_head *enabler_bytecode_runtime_head);
-void lttng_free_event_filter_runtime(struct lttng_event *event);
-void lttng_free_event_notifier_filter_runtime(struct lttng_event_notifier *event_notifier);
-
-int lttng_probes_init(void);
-
-extern struct lttng_ctx *lttng_static_ctx;
-
-int lttng_context_init(void);
-void lttng_context_exit(void);
-struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
-ssize_t lttng_append_context_index(struct lttng_ctx **ctx_p);
-struct lttng_ctx_field *lttng_get_context_field_from_index(struct lttng_ctx *ctx,
- size_t index);
-void lttng_context_update(struct lttng_ctx *ctx);
-int lttng_find_context(struct lttng_ctx *ctx, const char *name);
-int lttng_get_context_index(struct lttng_ctx *ctx, const char *name);
-void lttng_remove_context_field(struct lttng_ctx **ctx,
- struct lttng_ctx_field *field);
-void lttng_remove_context_field_index(struct lttng_ctx **ctx_p, size_t index);
-void lttng_destroy_context(struct lttng_ctx *ctx);
-int lttng_add_pid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_cpu_id_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_procname_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_prio_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_nice_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_tid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_ppid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vppid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_hostname_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_interruptible_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_need_reschedule_to_ctx(struct lttng_ctx **ctx);
-#if defined(CONFIG_PREEMPT_RT_FULL) || defined(CONFIG_PREEMPT)
-int lttng_add_preemptible_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_preemptible_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-#ifdef CONFIG_PREEMPT_RT_FULL
-int lttng_add_migratable_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_migratable_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-int lttng_add_callstack_to_ctx(struct lttng_ctx **ctx, int type);
-
-#if defined(CONFIG_CGROUPS) && \
- ((LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,6,0)) || \
- LTTNG_UBUNTU_KERNEL_RANGE(4,4,0,0, 4,5,0,0))
-int lttng_add_cgroup_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_cgroup_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_IPC_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_ipc_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_ipc_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if !defined(LTTNG_MNT_NS_MISSING_HEADER) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_mnt_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_mnt_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_NET_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_net_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_net_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_PID_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_pid_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_pid_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_USER_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_user_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_user_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_UTS_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
-int lttng_add_uts_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_uts_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-#if defined(CONFIG_TIME_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0))
-int lttng_add_time_ns_to_ctx(struct lttng_ctx **ctx);
-#else
-static inline
-int lttng_add_time_ns_to_ctx(struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-#endif
-
-int lttng_add_uid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_euid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_suid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_gid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_egid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_sgid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vuid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_veuid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vsuid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vgid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vegid_to_ctx(struct lttng_ctx **ctx);
-int lttng_add_vsgid_to_ctx(struct lttng_ctx **ctx);
-
-#if defined(CONFIG_PERF_EVENTS)
-int lttng_add_perf_counter_to_ctx(uint32_t type,
- uint64_t config,
- const char *name,
- struct lttng_ctx **ctx);
-int lttng_cpuhp_perf_counter_online(unsigned int cpu,
- struct lttng_cpuhp_node *node);
-int lttng_cpuhp_perf_counter_dead(unsigned int cpu,
- struct lttng_cpuhp_node *node);
-#else
-static inline
-int lttng_add_perf_counter_to_ctx(uint32_t type,
- uint64_t config,
- const char *name,
- struct lttng_ctx **ctx)
-{
- return -ENOSYS;
-}
-static inline
-int lttng_cpuhp_perf_counter_online(unsigned int cpu,
- struct lttng_cpuhp_node *node)
-{
- return 0;
-}
-static inline
-int lttng_cpuhp_perf_counter_dead(unsigned int cpu,
- struct lttng_cpuhp_node *node)
-{
- return 0;
-}
-#endif