#include <urcu/list.h>
#include <urcu/hlist.h>
-#include <ust-helper.h>
#include <lttng/ust-events.h>
+#include <ust-helper.h>
+#include "ust-context-provider.h"
struct lttng_ust_abi_obj;
+struct lttng_event_notifier_group;
union lttng_ust_abi_args {
struct {
* Unused, but kept around to make it explicit that the tracer can do
* it.
*/
- struct lttng_ctx *ctx;
+ struct lttng_ust_ctx *ctx;
};
struct lttng_event_notifier_enabler {
uint8_t has_overflow;
};
+struct lttng_counter_ops {
+ struct lib_counter *(*counter_create)(size_t nr_dimensions,
+ const struct lttng_counter_dimension *dimensions,
+ int64_t global_sum_step,
+ int global_counter_fd,
+ int nr_counter_cpu_fds,
+ const int *counter_cpu_fds,
+ bool is_daemon);
+ void (*counter_destroy)(struct lib_counter *counter);
+ int (*counter_add)(struct lib_counter *counter,
+ const size_t *dimension_indexes, int64_t v);
+ int (*counter_read)(struct lib_counter *counter,
+ const size_t *dimension_indexes, int cpu,
+ int64_t *value, bool *overflow, bool *underflow);
+ int (*counter_aggregate)(struct lib_counter *counter,
+ const size_t *dimension_indexes, int64_t *value,
+ bool *overflow, bool *underflow);
+ int (*counter_clear)(struct lib_counter *counter, const size_t *dimension_indexes);
+};
+
struct lttng_counter {
int objd;
struct lttng_event_notifier_group *event_notifier_group; /* owner */
struct lttng_counter_ops *ops;
};
+#define LTTNG_UST_EVENT_HT_BITS 12
+#define LTTNG_UST_EVENT_HT_SIZE (1U << LTTNG_UST_EVENT_HT_BITS)
+
+struct lttng_ust_event_ht {
+ struct cds_hlist_head table[LTTNG_UST_EVENT_HT_SIZE];
+};
+
+#define LTTNG_UST_EVENT_NOTIFIER_HT_BITS 12
+#define LTTNG_UST_EVENT_NOTIFIER_HT_SIZE (1U << LTTNG_UST_EVENT_NOTIFIER_HT_BITS)
+struct lttng_ust_event_notifier_ht {
+ struct cds_hlist_head table[LTTNG_UST_EVENT_NOTIFIER_HT_SIZE];
+};
+
+#define LTTNG_UST_ENUM_HT_BITS 12
+#define LTTNG_UST_ENUM_HT_SIZE (1U << LTTNG_UST_ENUM_HT_BITS)
+
+struct lttng_ust_enum_ht {
+ struct cds_hlist_head table[LTTNG_UST_ENUM_HT_SIZE];
+};
+
struct lttng_event_notifier_group {
int objd;
void *owner;
struct cds_list_head enablers_head;
struct cds_list_head event_notifiers_head; /* list of event_notifiers */
struct lttng_ust_event_notifier_ht event_notifiers_ht; /* hashtable of event_notifiers */
- struct lttng_ctx *ctx; /* contexts for filters. */
+ struct lttng_ust_ctx *ctx; /* contexts for filters. */
struct lttng_counter *error_counter;
size_t error_counter_len;
struct lttng_transport {
char *name;
struct cds_list_head node;
- struct lttng_channel_ops ops;
+ struct lttng_ust_channel_ops ops;
const struct lttng_ust_lib_ring_buffer_config *client_config;
};
struct lttng_ust_event_common_private {
struct lttng_ust_event_common *pub; /* Public event interface */
- const struct lttng_event_desc *desc;
+ struct lttng_ust_event_desc *desc;
/* Backward references: list of lttng_enabler_ref (ref to enablers) */
struct cds_list_head enablers_ref_head;
int registered; /* has reg'd tracepoint probe */
struct lttng_ust_event_common_private parent;
struct lttng_ust_event_recorder *pub; /* Public event interface */
- struct cds_list_head node; /* Event list in session */
- struct cds_hlist_node hlist; /* session ht of events */
+ struct cds_list_head node; /* Event recorder list */
+ struct cds_hlist_node hlist; /* Hash table of event recorders */
};
struct lttng_ust_event_notifier_private {
struct lttng_ust_event_common_private parent;
struct lttng_ust_event_notifier *pub; /* Public event notifier interface */
- struct cds_hlist_node hlist; /* hashtable of event_notifiers */
- struct cds_list_head node; /* event_notifier list in session */
struct lttng_event_notifier_group *group; /* weak ref */
size_t num_captures; /* Needed to allocate the msgpack array. */
uint64_t error_counter_index;
+ struct cds_list_head node; /* Event notifier list */
+ struct cds_hlist_node hlist; /* Hash table of event notifiers */
};
struct lttng_ust_bytecode_runtime_private {
* Pointer to a URCU-protected pointer owned by an `struct
* lttng_session`or `struct lttng_event_notifier_group`.
*/
- struct lttng_ctx **pctx;
+ struct lttng_ust_ctx **pctx;
};
struct lttng_ust_session_private {
- struct lttng_session *pub; /* Public session interface */
+ struct lttng_ust_session *pub; /* Public session interface */
int been_active; /* Been active ? */
int objd; /* Object associated */
/* New UST 2.8 */
struct lttng_ust_enum_ht enums_ht; /* ht of enumerations */
struct cds_list_head enums_head;
- struct lttng_ctx *ctx; /* contexts for filters. */
+ struct lttng_ust_ctx *ctx; /* contexts for filters. */
+};
+
+struct lttng_enum {
+ struct lttng_ust_enum_desc *desc;
+ struct lttng_ust_session *session;
+ struct cds_list_head node; /* Enum list in session */
+ struct cds_hlist_node hlist; /* Session ht of enums */
+ uint64_t id; /* Enumeration ID in sessiond */
+};
+
+struct lttng_ust_channel_ops_private {
+ struct lttng_ust_channel_ops *pub; /* Public channels ops interface */
+
+ struct lttng_channel *(*channel_create)(const char *name,
+ void *buf_addr,
+ size_t subbuf_size, size_t num_subbuf,
+ unsigned int switch_timer_interval,
+ unsigned int read_timer_interval,
+ unsigned char *uuid,
+ uint32_t chan_id,
+ const int *stream_fds, int nr_stream_fds,
+ int64_t blocking_timeout);
+ void (*channel_destroy)(struct lttng_channel *chan);
+ /*
+ * packet_avail_size returns the available size in the current
+ * packet. Note that the size returned is only a hint, since it
+ * may change due to concurrent writes.
+ */
+ size_t (*packet_avail_size)(struct lttng_ust_lib_ring_buffer_channel *chan,
+ struct lttng_ust_shm_handle *handle);
+ int (*is_finalized)(struct lttng_ust_lib_ring_buffer_channel *chan);
+ int (*is_disabled)(struct lttng_ust_lib_ring_buffer_channel *chan);
+ int (*flush_buffer)(struct lttng_ust_lib_ring_buffer_channel *chan,
+ struct lttng_ust_shm_handle *handle);
};
+static inline
+struct lttng_ust_type_integer *lttng_ust_get_type_integer(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_integer)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_integer, parent);
+}
+
+static inline
+struct lttng_ust_type_float *lttng_ust_get_type_float(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_float)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_float, parent);
+}
+
+static inline
+struct lttng_ust_type_string *lttng_ust_get_type_string(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_string)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_string, parent);
+}
+
+static inline
+struct lttng_ust_type_enum *lttng_ust_get_type_enum(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_enum)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_enum, parent);
+}
+
+static inline
+struct lttng_ust_type_array *lttng_ust_get_type_array(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_array)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_array, parent);
+}
+
+static inline
+struct lttng_ust_type_sequence *lttng_ust_get_type_sequence(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_sequence)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_sequence, parent);
+}
+
+static inline
+struct lttng_ust_type_struct *lttng_ust_get_type_struct(struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_struct)
+ return NULL;
+ return caa_container_of(type, struct lttng_ust_type_struct, parent);
+}
+
+/* Create dynamically allocated types. */
+static inline
+struct lttng_ust_type_common *lttng_ust_create_type_integer(unsigned int size,
+ unsigned short alignment, bool signedness, unsigned int byte_order,
+ unsigned int base)
+{
+ struct lttng_ust_type_integer *integer_type;
+
+ integer_type = zmalloc(sizeof(struct lttng_ust_type_integer));
+ if (!integer_type)
+ return NULL;
+ integer_type->parent.type = lttng_ust_type_integer;
+ integer_type->struct_size = sizeof(struct lttng_ust_type_integer);
+ integer_type->size = size;
+ integer_type->alignment = alignment;
+ integer_type->signedness = signedness;
+ integer_type->reverse_byte_order = byte_order != BYTE_ORDER;
+ integer_type->base = base;
+ return (struct lttng_ust_type_common *) integer_type;
+}
+
+static inline
+struct lttng_ust_type_common *lttng_ust_create_type_array_text(unsigned int length)
+{
+ struct lttng_ust_type_array *array_type;
+
+ array_type = zmalloc(sizeof(struct lttng_ust_type_array));
+ if (!array_type)
+ return NULL;
+ array_type->parent.type = lttng_ust_type_array;
+ array_type->struct_size = sizeof(struct lttng_ust_type_array);
+ array_type->length = length;
+ array_type->alignment = 0;
+ array_type->encoding = lttng_ust_string_encoding_UTF8;
+ array_type->elem_type = lttng_ust_create_type_integer(sizeof(char) * CHAR_BIT,
+ lttng_alignof(char) * CHAR_BIT, lttng_is_signed_type(char),
+ BYTE_ORDER, 10);
+ if (!array_type->elem_type)
+ goto error_elem;
+ return (struct lttng_ust_type_common *) array_type;
+
+error_elem:
+ free(array_type);
+ return NULL;
+}
+
+/*
+ * Destroy dynamically allocated types, including nested types.
+ * For enumerations, it does not free the enumeration mapping description.
+ */
+static inline
+void lttng_ust_destroy_type(struct lttng_ust_type_common *type)
+{
+ if (!type)
+ return;
+
+ switch (type->type) {
+ case lttng_ust_type_integer:
+ case lttng_ust_type_string:
+ case lttng_ust_type_float:
+ case lttng_ust_type_dynamic:
+ free(type);
+ break;
+ case lttng_ust_type_enum:
+ {
+ struct lttng_ust_type_enum *enum_type = (struct lttng_ust_type_enum *) type;
+
+ lttng_ust_destroy_type(enum_type->container_type);
+ free(enum_type);
+ break;
+ }
+ case lttng_ust_type_array:
+ {
+ struct lttng_ust_type_array *array_type = (struct lttng_ust_type_array *) type;
+
+ lttng_ust_destroy_type(array_type->elem_type);
+ free(array_type);
+ break;
+ }
+ case lttng_ust_type_sequence:
+ {
+ struct lttng_ust_type_sequence *sequence_type = (struct lttng_ust_type_sequence *) type;
+
+ lttng_ust_destroy_type(sequence_type->elem_type);
+ free(sequence_type);
+ break;
+ }
+ case lttng_ust_type_struct:
+ {
+ struct lttng_ust_type_struct *struct_type = (struct lttng_ust_type_struct *) type;
+ unsigned int i;
+
+ for (i = 0; i < struct_type->nr_fields; i++)
+ lttng_ust_destroy_type(struct_type->fields[i]->type);
+ free(struct_type);
+ break;
+ }
+ default:
+ abort();
+ }
+}
+
static inline
struct lttng_enabler *lttng_event_enabler_as_enabler(
struct lttng_event_enabler *event_enabler)
* On success, returns a `struct lttng_event_enabler`,
* On memory error, returns NULL.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
struct lttng_event_enabler *lttng_event_enabler_create(
enum lttng_enabler_format_type format_type,
struct lttng_ust_abi_event *event_param,
/*
* Destroy a `struct lttng_event_enabler` object.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
void lttng_event_enabler_destroy(struct lttng_event_enabler *enabler);
/*
* Enable a `struct lttng_event_enabler` object and all events related to this
* enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_enabler_enable(struct lttng_event_enabler *enabler);
/*
* Disable a `struct lttng_event_enabler` object and all events related to this
* enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_enabler_disable(struct lttng_event_enabler *enabler);
/*
* Attach filter bytecode program to `struct lttng_event_enabler` and all
* events related to this enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_enabler_attach_filter_bytecode(
struct lttng_event_enabler *enabler,
struct lttng_ust_bytecode_node **bytecode);
*
* Not implemented.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_enabler_attach_context(struct lttng_event_enabler *enabler,
struct lttng_ust_abi_context *ctx);
* Attach exclusion list to `struct lttng_event_enabler` and all
* events related to this enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_enabler_attach_exclusion(struct lttng_event_enabler *enabler,
struct lttng_ust_excluder_node **excluder);
* This function goes over all bytecode programs of the enabler (event or
* event_notifier enabler) to ensure each is linked to the provided instance.
*/
-LTTNG_HIDDEN
-void lttng_enabler_link_bytecode(const struct lttng_event_desc *event_desc,
- struct lttng_ctx **ctx,
+__attribute__((visibility("hidden")))
+void lttng_enabler_link_bytecode(struct lttng_ust_event_desc *event_desc,
+ struct lttng_ust_ctx **ctx,
struct cds_list_head *instance_bytecode_runtime_head,
struct cds_list_head *enabler_bytecode_runtime_head);
* On success, returns a `struct lttng_triggre_group`,
* on memory error, returns NULL.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
struct lttng_event_notifier_group *lttng_event_notifier_group_create(void);
/*
* Destroy a `struct lttng_event_notifier_group` object.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
void lttng_event_notifier_group_destroy(
struct lttng_event_notifier_group *event_notifier_group);
* On success, returns a `struct lttng_event_notifier_enabler`,
* On memory error, returns NULL.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
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,
/*
* Destroy a `struct lttng_event_notifier_enabler` object.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
void lttng_event_notifier_enabler_destroy(
struct lttng_event_notifier_enabler *event_notifier_enabler);
* Enable a `struct lttng_event_notifier_enabler` object and all event
* notifiers related to this enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_notifier_enabler_enable(
struct lttng_event_notifier_enabler *event_notifier_enabler);
* Disable a `struct lttng_event_notifier_enabler` object and all event
* notifiers related to this enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_notifier_enabler_disable(
struct lttng_event_notifier_enabler *event_notifier_enabler);
* Attach filter bytecode program to `struct lttng_event_notifier_enabler` and
* all event notifiers related to this enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_notifier_enabler_attach_filter_bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_ust_bytecode_node **bytecode);
* Attach capture bytecode program to `struct lttng_event_notifier_enabler` and
* all event_notifiers related to this enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_notifier_enabler_attach_capture_bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_ust_bytecode_node **bytecode);
* Attach exclusion list to `struct lttng_event_notifier_enabler` and all
* event notifiers related to this enabler.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_event_notifier_enabler_attach_exclusion(
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_ust_excluder_node **excluder);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
void lttng_free_event_filter_runtime(struct lttng_ust_event_common *event);
/*
* Connect the probe on all enablers matching this event description.
* Called on library load.
*/
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_fix_pending_event_notifiers(void);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
struct lttng_counter *lttng_ust_counter_create(
const char *counter_transport_name,
size_t number_dimensions, const struct lttng_counter_dimension *dimensions);
#ifdef HAVE_PERF_EVENT
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_add_perf_counter_to_ctx(uint32_t type,
uint64_t config,
const char *name,
- struct lttng_ctx **ctx);
-LTTNG_HIDDEN
+ struct lttng_ust_ctx **ctx);
+
+__attribute__((visibility("hidden")))
int lttng_perf_counter_init(void);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void lttng_perf_counter_exit(void);
#else /* #ifdef HAVE_PERF_EVENT */
int lttng_add_perf_counter_to_ctx(uint32_t type,
uint64_t config,
const char *name,
- struct lttng_ctx **ctx)
+ struct lttng_ust_ctx **ctx)
{
return -ENOSYS;
}
}
#endif /* #else #ifdef HAVE_PERF_EVENT */
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_probes_get_field_list(struct lttng_ust_field_list *list);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void lttng_probes_prune_field_list(struct lttng_ust_field_list *list);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
struct lttng_ust_abi_tracepoint_iter *
lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
struct lttng_ust_abi_field_iter *
lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list);
-LTTNG_HIDDEN
-struct lttng_session *lttng_session_create(void);
-LTTNG_HIDDEN
-int lttng_session_enable(struct lttng_session *session);
-LTTNG_HIDDEN
-int lttng_session_disable(struct lttng_session *session);
-LTTNG_HIDDEN
-int lttng_session_statedump(struct lttng_session *session);
-LTTNG_HIDDEN
-void lttng_session_destroy(struct lttng_session *session);
-
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
+struct lttng_ust_session *lttng_session_create(void);
+
+__attribute__((visibility("hidden")))
+int lttng_session_enable(struct lttng_ust_session *session);
+
+__attribute__((visibility("hidden")))
+int lttng_session_disable(struct lttng_ust_session *session);
+
+__attribute__((visibility("hidden")))
+int lttng_session_statedump(struct lttng_ust_session *session);
+
+__attribute__((visibility("hidden")))
+void lttng_session_destroy(struct lttng_ust_session *session);
+
+/*
+ * Called with ust lock held.
+ */
+__attribute__((visibility("hidden")))
+int lttng_session_active(void);
+
+__attribute__((visibility("hidden")))
struct cds_list_head *lttng_get_sessions(void);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
void lttng_handle_pending_statedump(void *owner);
-LTTNG_HIDDEN
-struct lttng_channel *lttng_channel_create(struct lttng_session *session,
+__attribute__((visibility("hidden")))
+struct lttng_channel *lttng_channel_create(struct lttng_ust_session *session,
const char *transport_name,
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
uint64_t **memory_map_size,
struct lttng_channel *chan_priv_init);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_channel_enable(struct lttng_channel *channel);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
int lttng_channel_disable(struct lttng_channel *channel);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
void lttng_transport_register(struct lttng_transport *transport);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void lttng_transport_unregister(struct lttng_transport *transport);
-LTTNG_HIDDEN
-void lttng_probe_provider_unregister_events(struct lttng_probe_desc *desc);
+/* This is ABI between liblttng-ust and liblttng-ust-ctl */
+struct lttng_transport *lttng_ust_transport_find(const char *name);
+
+/* This is ABI between liblttng-ust and liblttng-ust-dl */
+void lttng_ust_dl_update(void *ip);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
+void lttng_probe_provider_unregister_events(struct lttng_ust_probe_desc *desc);
+
+__attribute__((visibility("hidden")))
int lttng_fix_pending_events(void);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
struct cds_list_head *lttng_get_probe_list_head(void);
-LTTNG_HIDDEN
-struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_session *session,
- const struct lttng_enum_desc *enum_desc);
+__attribute__((visibility("hidden")))
+struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_ust_session *session,
+ struct lttng_ust_enum_desc *enum_desc);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
int lttng_abi_create_root_handle(void);
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
const struct lttng_ust_abi_objd_ops *lttng_ust_abi_objd_ops(int id);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
int lttng_ust_abi_objd_unref(int id, int is_owner);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void lttng_ust_abi_exit(void);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void lttng_ust_abi_events_exit(void);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
void lttng_ust_abi_objd_table_owner_cleanup(void *owner);
#endif /* _LTTNG_UST_EVENTS_INTERNAL_H */
projects / lttng-ust.git / blobdiff