#ifndef _LTTNG_UST_EVENTS_INTERNAL_H
#define _LTTNG_UST_EVENTS_INTERNAL_H
+#include <limits.h>
#include <stdint.h>
#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 {
+ void *chan_data;
+ int wakeup_fd;
+ } channel;
+ struct {
+ int shm_fd;
+ int wakeup_fd;
+ } stream;
+ struct {
+ struct lttng_ust_abi_field_iter entry;
+ } field_list;
+ struct {
+ char *ctxname;
+ } app_context;
+ struct {
+ int event_notifier_notif_fd;
+ } event_notifier_handle;
+ struct {
+ void *counter_data;
+ } counter;
+ struct {
+ int shm_fd;
+ } counter_shm;
+};
+
+struct lttng_ust_abi_objd_ops {
+ long (*cmd)(int objd, unsigned int cmd, unsigned long arg,
+ union lttng_ust_abi_args *args, void *owner);
+ int (*release)(int objd);
+};
+
enum lttng_enabler_format_type {
LTTNG_ENABLER_FORMAT_STAR_GLOB,
LTTNG_ENABLER_FORMAT_EVENT,
/* head list of struct lttng_ust_excluder_node */
struct cds_list_head excluder_head;
- struct lttng_ust_event event_param;
+ struct lttng_ust_abi_event event_param;
unsigned int enabled:1;
};
struct lttng_event_enabler {
struct lttng_enabler base;
struct cds_list_head node; /* per-session list of enablers */
- struct lttng_channel *chan;
+ struct lttng_ust_channel_buffer *chan;
/*
* 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 {
uint64_t num_captures;
};
-enum lttng_ust_bytecode_node_type {
- LTTNG_UST_BYTECODE_NODE_TYPE_FILTER,
- LTTNG_UST_BYTECODE_NODE_TYPE_CAPTURE,
+enum lttng_ust_bytecode_type {
+ LTTNG_UST_BYTECODE_TYPE_FILTER,
+ LTTNG_UST_BYTECODE_TYPE_CAPTURE,
};
struct lttng_ust_bytecode_node {
- enum lttng_ust_bytecode_node_type type;
+ enum lttng_ust_bytecode_type type;
struct cds_list_head node;
struct lttng_enabler *enabler;
struct {
} bc;
};
+/*
+ * Bytecode interpreter return value.
+ */
+enum lttng_ust_bytecode_interpreter_ret {
+ LTTNG_UST_BYTECODE_INTERPRETER_ERROR = -1,
+ LTTNG_UST_BYTECODE_INTERPRETER_OK = 0,
+};
+
+struct lttng_interpreter_output;
+struct lttng_ust_bytecode_runtime_private;
+
+enum lttng_ust_bytecode_filter_result {
+ LTTNG_UST_BYTECODE_FILTER_ACCEPT = 0,
+ LTTNG_UST_BYTECODE_FILTER_REJECT = 1,
+};
+
+struct lttng_ust_bytecode_filter_ctx {
+ enum lttng_ust_bytecode_filter_result result;
+};
+
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;
+ struct lttng_ust_abi_event_exclusion excluder;
};
/* Data structures used by the tracer. */
struct tp_list_entry {
- struct lttng_ust_tracepoint_iter tp;
+ struct lttng_ust_abi_tracepoint_iter tp;
struct cds_list_head head;
};
};
struct tp_field_list_entry {
- struct lttng_ust_field_iter field;
+ struct lttng_ust_abi_field_iter field;
struct cds_list_head head;
};
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;
int notification_fd;
struct cds_list_head node; /* Event notifier group handle list */
struct cds_list_head enablers_head;
- struct cds_list_head event_notifiers_head; /* list of event_notifiers */
+ 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;
+ const char *name;
struct cds_list_head node;
- struct lttng_channel_ops ops;
+ struct lttng_ust_channel_buffer_ops ops;
const struct lttng_ust_lib_ring_buffer_config *client_config;
};
struct lttng_counter_transport {
- char *name;
+ const char *name;
struct cds_list_head node;
struct lttng_counter_ops ops;
const struct lib_counter_config *client_config;
};
-struct lttng_ust_event_private {
- struct lttng_event *pub; /* Public event interface */
-
- const struct lttng_event_desc *desc;
- enum lttng_ust_instrumentation instrumentation;
- struct cds_list_head node; /* Event list in session */
+struct lttng_ust_event_common_private {
+ struct lttng_ust_event_common *pub; /* Public event interface */
+ const struct lttng_ust_event_desc *desc;
/* Backward references: list of lttng_enabler_ref (ref to enablers) */
struct cds_list_head enablers_ref_head;
- struct cds_hlist_node hlist; /* session ht of events */
- int registered; /* has reg'd tracepoint probe */
+ int registered; /* has reg'd tracepoint probe */
+ uint64_t user_token;
+
+ int has_enablers_without_filter_bytecode;
+ /* list of struct lttng_ust_bytecode_runtime, sorted by seqnum */
+ struct cds_list_head filter_bytecode_runtime_head;
+};
+
+struct lttng_ust_event_recorder_private {
+ struct lttng_ust_event_common_private parent;
+
+ struct lttng_ust_event_recorder *pub; /* Public event interface */
+ struct cds_list_head node; /* Event recorder list */
+ struct cds_hlist_node hlist; /* Hash table of event recorders */
+ struct lttng_ust_ctx *ctx;
+ unsigned int id;
};
-struct lttng_ust_bytecode_runtime_private {
- struct bytecode_runtime *pub; /* Public bytecode runtime interface */
+struct lttng_ust_event_notifier_private {
+ struct lttng_ust_event_common_private parent;
+ struct lttng_ust_event_notifier *pub; /* Public event notifier interface */
+ 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 cds_list_head capture_bytecode_runtime_head;
+};
+
+struct lttng_ust_bytecode_runtime {
+ enum lttng_ust_bytecode_type type;
struct lttng_ust_bytecode_node *bc;
int link_failed;
+ int (*interpreter_func)(struct lttng_ust_bytecode_runtime *bytecode_runtime,
+ const char *interpreter_stack_data,
+ void *ctx);
+ struct cds_list_head node; /* list of bytecode runtime in event */
/*
* 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_ust_session *pub; /* Public session interface */
+
+ int been_active; /* Been active ? */
+ int objd; /* Object associated */
+ struct cds_list_head chan_head; /* Channel list head */
+ struct cds_list_head events_head; /* list of events */
+ struct cds_list_head node; /* Session list */
+
+ /* List of enablers */
+ struct cds_list_head enablers_head;
+ struct lttng_ust_event_ht events_ht; /* ht of events */
+ void *owner; /* object owner */
+ int tstate:1; /* Transient enable state */
+
+ int statedump_pending:1;
+
+ struct lttng_ust_enum_ht enums_ht; /* ht of enumerations */
+ struct cds_list_head enums_head;
+ struct lttng_ust_ctx *ctx; /* contexts for filters. */
+
+ unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
+ bool uuid_set; /* Is uuid set ? */
+};
+
+struct lttng_enum {
+ const 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_shm_handle;
+
+struct lttng_ust_channel_buffer_ops_private {
+ struct lttng_ust_channel_buffer_ops *pub; /* Public channel buffer ops interface */
+
+ struct lttng_ust_channel_buffer *(*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_ust_channel_buffer *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_channel_buffer *chan);
+ int (*is_finalized)(struct lttng_ust_channel_buffer *chan);
+ int (*is_disabled)(struct lttng_ust_channel_buffer *chan);
+ int (*flush_buffer)(struct lttng_ust_channel_buffer *chan);
+};
+
+struct lttng_ust_channel_common_private {
+ struct lttng_ust_channel_common *pub; /* Public channel interface */
+
+ int objd; /* Object associated with channel. */
+ int tstate:1; /* Transient enable state */
+};
+
+struct lttng_ust_channel_buffer_private {
+ struct lttng_ust_channel_common_private parent;
+
+ struct lttng_ust_channel_buffer *pub; /* Public channel buffer interface */
+ struct cds_list_head node; /* Channel list in session */
+ int header_type; /* 0: unset, 1: compact, 2: large */
+ unsigned int id; /* Channel ID */
+ enum lttng_ust_abi_chan_type type;
+ struct lttng_ust_ctx *ctx;
+ struct lttng_ust_lib_ring_buffer_channel *rb_chan; /* Ring buffer channel */
+ unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
+};
+
+/*
+ * IMPORTANT: this structure is part of the ABI between the consumer
+ * daemon and the UST library within traced applications. Changing it
+ * breaks the UST communication protocol.
+ *
+ * TODO: remove unused fields on next UST communication protocol
+ * breaking update.
+ */
+struct lttng_ust_abi_channel_config {
+ void *unused1;
+ int unused2;
+ void *unused3;
+ void *unused4;
+ int unused5;
+ struct cds_list_head unused6;
+ void *unused7;
+ int unused8;
+ void *unused9;
+
+ /* Channel ID */
+ unsigned int id;
+ enum lttng_ust_abi_chan_type unused10;
+ unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
+ int unused11:1;
+};
+
+/* Global (filter), event and channel contexts. */
+struct lttng_ust_ctx {
+ struct lttng_ust_ctx_field *fields;
+ unsigned int nr_fields;
+ unsigned int allocated_fields;
+ unsigned int largest_align;
+};
+
+struct lttng_ust_registered_probe {
+ const struct lttng_ust_probe_desc *desc;
+
+ struct cds_list_head head; /* chain registered probes */
+ struct cds_list_head lazy_init_head;
+ int lazy; /* lazy registration */
+};
+
+/*
+ * Context field
+ */
+
+struct lttng_ust_ctx_field {
+ const struct lttng_ust_event_field *event_field;
+ size_t (*get_size)(void *priv, size_t offset);
+ void (*record)(void *priv, struct lttng_ust_lib_ring_buffer_ctx *ctx,
+ struct lttng_ust_channel_buffer *chan);
+ void (*get_value)(void *priv, struct lttng_ust_ctx_value *value);
+ void (*destroy)(void *priv);
+ void *priv;
+};
+
+static inline
+const struct lttng_ust_type_integer *lttng_ust_get_type_integer(const struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_integer)
+ return NULL;
+ return caa_container_of(type, const struct lttng_ust_type_integer, parent);
+}
+
+static inline
+const struct lttng_ust_type_float *lttng_ust_get_type_float(const struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_float)
+ return NULL;
+ return caa_container_of(type, const struct lttng_ust_type_float, parent);
+}
+
+static inline
+const struct lttng_ust_type_string *lttng_ust_get_type_string(const struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_string)
+ return NULL;
+ return caa_container_of(type, const struct lttng_ust_type_string, parent);
+}
+
+static inline
+const struct lttng_ust_type_enum *lttng_ust_get_type_enum(const struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_enum)
+ return NULL;
+ return caa_container_of(type, const struct lttng_ust_type_enum, parent);
+}
+
+static inline
+const struct lttng_ust_type_array *lttng_ust_get_type_array(const struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_array)
+ return NULL;
+ return caa_container_of(type, const struct lttng_ust_type_array, parent);
+}
+
+static inline
+const struct lttng_ust_type_sequence *lttng_ust_get_type_sequence(const struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_sequence)
+ return NULL;
+ return caa_container_of(type, const struct lttng_ust_type_sequence, parent);
+}
+
+static inline
+const struct lttng_ust_type_struct *lttng_ust_get_type_struct(const struct lttng_ust_type_common *type)
+{
+ if (type->type != lttng_ust_type_struct)
+ return NULL;
+ return caa_container_of(type, const struct lttng_ust_type_struct, parent);
+}
+
+#define lttng_ust_static_type_integer(_size, _alignment, _signedness, _byte_order, _base) \
+ ((const struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_type_integer, { \
+ .parent = { \
+ .type = lttng_ust_type_integer, \
+ }, \
+ .struct_size = sizeof(struct lttng_ust_type_integer), \
+ .size = (_size), \
+ .alignment = (_alignment), \
+ .signedness = (_signedness), \
+ .reverse_byte_order = (_byte_order) != BYTE_ORDER, \
+ .base = (_base), \
+ }))
+
+#define lttng_ust_static_type_array_text(_length) \
+ ((const struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_type_array, { \
+ .parent = { \
+ .type = lttng_ust_type_array, \
+ }, \
+ .struct_size = sizeof(struct lttng_ust_type_array), \
+ .length = (_length), \
+ .alignment = 0, \
+ .encoding = lttng_ust_string_encoding_UTF8, \
+ .elem_type = lttng_ust_static_type_integer(sizeof(char) * CHAR_BIT, \
+ lttng_ust_rb_alignof(char) * CHAR_BIT, lttng_ust_is_signed_type(char), \
+ BYTE_ORDER, 10), \
+ }))
+
+#define lttng_ust_static_event_field(_name, _type, _nowrite, _nofilter) \
+ __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
+ .name = (_name), \
+ .type = (_type), \
+ .nowrite = (_nowrite), \
+ .nofilter = (_nofilter), \
+ })
+
+#define lttng_ust_static_ctx_field(_event_field, _get_size, _record, _get_value, _destroy, _priv) \
+ __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_ctx_field, { \
+ .event_field = (_event_field), \
+ .get_size = (_get_size), \
+ .record = (_record), \
+ .get_value = (_get_value), \
+ .destroy = (_destroy), \
+ .priv = (_priv), \
+ })
+
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
struct lttng_event_enabler *lttng_event_enabler_create(
enum lttng_enabler_format_type format_type,
- struct lttng_ust_event *event_param,
- struct lttng_channel *chan);
+ struct lttng_ust_abi_event *event_param,
+ struct lttng_ust_channel_buffer *chan)
+ __attribute__((visibility("hidden")));
/*
* Destroy a `struct lttng_event_enabler` object.
*/
-LTTNG_HIDDEN
-void lttng_event_enabler_destroy(struct lttng_event_enabler *enabler);
+void lttng_event_enabler_destroy(struct lttng_event_enabler *enabler)
+ __attribute__((visibility("hidden")));
/*
* Enable a `struct lttng_event_enabler` object and all events related to this
* enabler.
*/
-LTTNG_HIDDEN
-int lttng_event_enabler_enable(struct lttng_event_enabler *enabler);
+int lttng_event_enabler_enable(struct lttng_event_enabler *enabler)
+ __attribute__((visibility("hidden")));
/*
* Disable a `struct lttng_event_enabler` object and all events related to this
* enabler.
*/
-LTTNG_HIDDEN
-int lttng_event_enabler_disable(struct lttng_event_enabler *enabler);
+int lttng_event_enabler_disable(struct lttng_event_enabler *enabler)
+ __attribute__((visibility("hidden")));
/*
* Attach filter bytecode program to `struct lttng_event_enabler` and all
* events related to this enabler.
*/
-LTTNG_HIDDEN
int lttng_event_enabler_attach_filter_bytecode(
struct lttng_event_enabler *enabler,
- struct lttng_ust_bytecode_node **bytecode);
+ struct lttng_ust_bytecode_node **bytecode)
+ __attribute__((visibility("hidden")));
/*
* Attach an application context to an event enabler.
*
* Not implemented.
*/
-LTTNG_HIDDEN
int lttng_event_enabler_attach_context(struct lttng_event_enabler *enabler,
- struct lttng_ust_context *ctx);
+ struct lttng_ust_abi_context *ctx)
+ __attribute__((visibility("hidden")));
/*
* Attach exclusion list to `struct lttng_event_enabler` and all
* events related to this enabler.
*/
-LTTNG_HIDDEN
int lttng_event_enabler_attach_exclusion(struct lttng_event_enabler *enabler,
- struct lttng_ust_excluder_node **excluder);
+ struct lttng_ust_excluder_node **excluder)
+ __attribute__((visibility("hidden")));
/*
* Synchronize bytecodes for the enabler and the instance (event or
* 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,
+void lttng_enabler_link_bytecode(const 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);
+ struct cds_list_head *enabler_bytecode_runtime_head)
+ __attribute__((visibility("hidden")));
/*
* Allocate and initialize a `struct lttng_event_notifier_group` object.
* On success, returns a `struct lttng_triggre_group`,
* on memory error, returns NULL.
*/
-LTTNG_HIDDEN
-struct lttng_event_notifier_group *lttng_event_notifier_group_create(void);
+struct lttng_event_notifier_group *lttng_event_notifier_group_create(void)
+ __attribute__((visibility("hidden")));
/*
* Destroy a `struct lttng_event_notifier_group` object.
*/
-LTTNG_HIDDEN
void lttng_event_notifier_group_destroy(
- struct lttng_event_notifier_group *event_notifier_group);
+ struct lttng_event_notifier_group *event_notifier_group)
+ __attribute__((visibility("hidden")));
/*
* Allocate and initialize a `struct lttng_event_notifier_enabler` object.
* On success, returns a `struct lttng_event_notifier_enabler`,
* On memory error, returns NULL.
*/
-LTTNG_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,
- struct lttng_ust_event_notifier *event_notifier_param);
+ struct lttng_ust_abi_event_notifier *event_notifier_param)
+ __attribute__((visibility("hidden")));
/*
* Destroy a `struct lttng_event_notifier_enabler` object.
*/
-LTTNG_HIDDEN
void lttng_event_notifier_enabler_destroy(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
+ struct lttng_event_notifier_enabler *event_notifier_enabler)
+ __attribute__((visibility("hidden")));
/*
* Enable a `struct lttng_event_notifier_enabler` object and all event
* notifiers related to this enabler.
*/
-LTTNG_HIDDEN
int lttng_event_notifier_enabler_enable(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
+ struct lttng_event_notifier_enabler *event_notifier_enabler)
+ __attribute__((visibility("hidden")));
/*
* Disable a `struct lttng_event_notifier_enabler` object and all event
* notifiers related to this enabler.
*/
-LTTNG_HIDDEN
int lttng_event_notifier_enabler_disable(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
+ struct lttng_event_notifier_enabler *event_notifier_enabler)
+ __attribute__((visibility("hidden")));
/*
* Attach filter bytecode program to `struct lttng_event_notifier_enabler` and
* all event notifiers related to this enabler.
*/
-LTTNG_HIDDEN
int lttng_event_notifier_enabler_attach_filter_bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_ust_bytecode_node **bytecode);
+ struct lttng_ust_bytecode_node **bytecode)
+ __attribute__((visibility("hidden")));
/*
* Attach capture bytecode program to `struct lttng_event_notifier_enabler` and
* all event_notifiers related to this enabler.
*/
-LTTNG_HIDDEN
int lttng_event_notifier_enabler_attach_capture_bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_ust_bytecode_node **bytecode);
+ struct lttng_ust_bytecode_node **bytecode)
+ __attribute__((visibility("hidden")));
/*
* Attach exclusion list to `struct lttng_event_notifier_enabler` and all
* event notifiers related to this enabler.
*/
-LTTNG_HIDDEN
int lttng_event_notifier_enabler_attach_exclusion(
struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_ust_excluder_node **excluder);
-
-LTTNG_HIDDEN
-void lttng_free_event_filter_runtime(struct lttng_event *event);
+ struct lttng_ust_excluder_node **excluder)
+ __attribute__((visibility("hidden")));
-LTTNG_HIDDEN
-void lttng_free_event_notifier_filter_runtime(
- struct lttng_event_notifier *event_notifier);
+void lttng_free_event_filter_runtime(struct lttng_ust_event_common *event)
+ __attribute__((visibility("hidden")));
/*
* Connect the probe on all enablers matching this event description.
* Called on library load.
*/
-LTTNG_HIDDEN
-int lttng_fix_pending_event_notifiers(void);
+int lttng_fix_pending_event_notifiers(void)
+ __attribute__((visibility("hidden")));
-LTTNG_HIDDEN
struct lttng_counter *lttng_ust_counter_create(
const char *counter_transport_name,
- size_t number_dimensions, const struct lttng_counter_dimension *dimensions);
+ size_t number_dimensions, const struct lttng_counter_dimension *dimensions)
+ __attribute__((visibility("hidden")));
-#ifdef HAVE_PERF_EVENT
+#ifdef HAVE_LINUX_PERF_EVENT_H
-LTTNG_HIDDEN
int lttng_add_perf_counter_to_ctx(uint32_t type,
uint64_t config,
const char *name,
- struct lttng_ctx **ctx);
-LTTNG_HIDDEN
-int lttng_perf_counter_init(void);
-LTTNG_HIDDEN
-void lttng_perf_counter_exit(void);
+ struct lttng_ust_ctx **ctx)
+ __attribute__((visibility("hidden")));
-#else /* #ifdef HAVE_PERF_EVENT */
+int lttng_perf_counter_init(void)
+ __attribute__((visibility("hidden")));
+
+void lttng_perf_counter_exit(void)
+ __attribute__((visibility("hidden")));
+
+#else /* #ifdef HAVE_LINUX_PERF_EVENT_H */
static inline
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;
}
void lttng_perf_counter_exit(void)
{
}
-#endif /* #else #ifdef HAVE_PERF_EVENT */
-
-LTTNG_HIDDEN
-int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list);
-LTTNG_HIDDEN
-void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list);
-
-LTTNG_HIDDEN
-int lttng_probes_get_field_list(struct lttng_ust_field_list *list);
-LTTNG_HIDDEN
-void lttng_probes_prune_field_list(struct lttng_ust_field_list *list);
-
-LTTNG_HIDDEN
-struct lttng_ust_tracepoint_iter *
- lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list);
-LTTNG_HIDDEN
-struct lttng_ust_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
-struct cds_list_head *lttng_get_sessions(void);
-
-LTTNG_HIDDEN
-void lttng_handle_pending_statedump(void *owner);
-
-LTTNG_HIDDEN
-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,
- int **shm_fd, int **wait_fd,
- uint64_t **memory_map_size,
- struct lttng_channel *chan_priv_init);
-
-LTTNG_HIDDEN
-int lttng_channel_enable(struct lttng_channel *channel);
-LTTNG_HIDDEN
-int lttng_channel_disable(struct lttng_channel *channel);
-
-LTTNG_HIDDEN
-void lttng_transport_register(struct lttng_transport *transport);
-LTTNG_HIDDEN
-void lttng_transport_unregister(struct lttng_transport *transport);
-
-LTTNG_HIDDEN
-void lttng_probe_provider_unregister_events(struct lttng_probe_desc *desc);
-
-LTTNG_HIDDEN
-int lttng_fix_pending_events(void);
-
-LTTNG_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);
+#endif /* #else #ifdef HAVE_LINUX_PERF_EVENT_H */
+
+int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list)
+ __attribute__((visibility("hidden")));
+
+void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list)
+ __attribute__((visibility("hidden")));
+
+int lttng_probes_get_field_list(struct lttng_ust_field_list *list)
+ __attribute__((visibility("hidden")));
+
+void lttng_probes_prune_field_list(struct lttng_ust_field_list *list)
+ __attribute__((visibility("hidden")));
+
+struct lttng_ust_abi_tracepoint_iter *
+ lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list)
+ __attribute__((visibility("hidden")));
+
+struct lttng_ust_abi_field_iter *
+ lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list)
+ __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)
+ __attribute__((visibility("hidden")));
+
+/*
+ * Called with ust lock held.
+ */
+int lttng_session_active(void)
+ __attribute__((visibility("hidden")));
+
+struct cds_list_head *lttng_get_sessions(void)
+ __attribute__((visibility("hidden")));
+
+void lttng_handle_pending_statedump(void *owner)
+ __attribute__((visibility("hidden")));
+
+int lttng_channel_enable(struct lttng_ust_channel_common *lttng_channel)
+ __attribute__((visibility("hidden")));
+
+int lttng_channel_disable(struct lttng_ust_channel_common *lttng_channel)
+ __attribute__((visibility("hidden")));
+
+void lttng_transport_register(struct lttng_transport *transport)
+ __attribute__((visibility("hidden")));
+
+void lttng_transport_unregister(struct lttng_transport *transport)
+ __attribute__((visibility("hidden")));
+
+/* 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);
+
+void lttng_probe_provider_unregister_events(const struct lttng_ust_probe_desc *desc)
+ __attribute__((visibility("hidden")));
+
+int lttng_fix_pending_events(void)
+ __attribute__((visibility("hidden")));
+
+struct cds_list_head *lttng_get_probe_list_head(void)
+ __attribute__((visibility("hidden")));
+
+struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_ust_session *session,
+ const struct lttng_ust_enum_desc *enum_desc)
+ __attribute__((visibility("hidden")));
+
+int lttng_abi_create_root_handle(void)
+ __attribute__((visibility("hidden")));
+
+const struct lttng_ust_abi_objd_ops *lttng_ust_abi_objd_ops(int id)
+ __attribute__((visibility("hidden")));
+
+int lttng_ust_abi_objd_unref(int id, int is_owner)
+ __attribute__((visibility("hidden")));
+
+void lttng_ust_abi_exit(void)
+ __attribute__((visibility("hidden")));
+
+void lttng_ust_abi_events_exit(void)
+ __attribute__((visibility("hidden")));
+
+void lttng_ust_abi_objd_table_owner_cleanup(void *owner)
+ __attribute__((visibility("hidden")));
+
+struct lttng_ust_channel_buffer *lttng_ust_alloc_channel_buffer(void)
+ __attribute__((visibility("hidden")));
+
+void lttng_ust_free_channel_common(struct lttng_ust_channel_common *chan)
+ __attribute__((visibility("hidden")));
+
+int lttng_ust_interpret_event_filter(struct lttng_ust_event_common *event,
+ const char *interpreter_stack_data,
+ void *filter_ctx)
+ __attribute__((visibility("hidden")));
+
+int lttng_ust_session_uuid_validate(struct lttng_ust_session *session,
+ unsigned char *uuid)
+ __attribute__((visibility("hidden")));
+
+bool lttng_ust_validate_event_name(const struct lttng_ust_event_desc *desc)
+ __attribute__((visibility("hidden")));
+
+void lttng_ust_format_event_name(const struct lttng_ust_event_desc *desc,
+ char *name)
+ __attribute__((visibility("hidden")));
+
+int lttng_ust_add_app_context_to_ctx_rcu(const char *name, struct lttng_ust_ctx **ctx)
+ __attribute__((visibility("hidden")));
+
+int lttng_ust_context_set_provider_rcu(struct lttng_ust_ctx **_ctx,
+ const char *name,
+ size_t (*get_size)(void *priv, size_t offset),
+ void (*record)(void *priv, struct lttng_ust_lib_ring_buffer_ctx *ctx,
+ struct lttng_ust_channel_buffer *chan),
+ void (*get_value)(void *priv, struct lttng_ust_ctx_value *value),
+ void *priv)
+ __attribute__((visibility("hidden")));
+
+void lttng_ust_context_set_session_provider(const char *name,
+ size_t (*get_size)(void *priv, size_t offset),
+ void (*record)(void *priv, struct lttng_ust_lib_ring_buffer_ctx *ctx,
+ struct lttng_ust_channel_buffer *chan),
+ void (*get_value)(void *priv, struct lttng_ust_ctx_value *value),
+ void *priv)
+ __attribute__((visibility("hidden")));
#endif /* _LTTNG_UST_EVENTS_INTERNAL_H */
projects / lttng-ust.git / blobdiff