#ifndef _LTTNG_EVENTS_INTERNAL_H
#define _LTTNG_EVENTS_INTERNAL_H
+#include <wrapper/compiler_attributes.h>
+
#include <lttng/events.h>
+struct lttng_syscall_filter;
+struct lttng_metadata_cache;
+struct perf_event;
+struct perf_event_attr;
+struct lttng_kernel_ring_buffer_config;
+
enum lttng_enabler_format_type {
LTTNG_ENABLER_FORMAT_STAR_GLOB,
LTTNG_ENABLER_FORMAT_NAME,
};
+enum channel_type {
+ PER_CPU_CHANNEL,
+ METADATA_CHANNEL,
+};
+
/*
* Objects in a linked-list of enablers, owned by an event.
*/
struct lttng_enabler_ref {
struct list_head node; /* enabler ref list */
- struct lttng_enabler *ref; /* backward ref */
+ struct lttng_event_enabler_common *ref; /* backward ref */
};
struct lttng_krp; /* Kretprobe handling */
};
+struct lttng_kernel_syscall_table {
+ unsigned int sys_enter_registered:1,
+ sys_exit_registered:1;
+
+ struct hlist_head *syscall_dispatch; /* for syscall tracing */
+ struct hlist_head *compat_syscall_dispatch;
+ struct hlist_head *syscall_exit_dispatch; /* for syscall exit tracing */
+ struct hlist_head *compat_syscall_exit_dispatch;
+
+ /*
+ * Combining all unknown syscall events works as long as they
+ * are only matched by "all" syscalls enablers, but will require
+ * a design change when we allow matching by syscall number, for
+ * instance by allocating sc_tables accomodating NR_syscalls
+ * entries.
+ */
+ struct hlist_head unknown_syscall_dispatch; /* for unknown syscalls */
+ struct hlist_head compat_unknown_syscall_dispatch;
+ struct hlist_head unknown_syscall_exit_dispatch;
+ struct hlist_head compat_unknown_syscall_exit_dispatch;
+
+ struct lttng_syscall_filter *sc_filter;
+ int syscall_all_entry;
+ int syscall_all_exit;
+};
+
+struct lttng_kernel_channel_common_private {
+ struct lttng_kernel_channel_common *pub;
+
+ struct file *file; /* File associated to channel */
+ unsigned int tstate:1; /* Transient enable state */
+
+ struct lttng_kernel_syscall_table syscall_table;
+};
+
+struct lttng_kernel_channel_buffer_private {
+ struct lttng_kernel_channel_common_private parent;
+
+ struct lttng_kernel_channel_buffer *pub;
+
+ unsigned int id; /* Channel ID */
+ unsigned int free_event_id; /* Next event ID to allocate */
+ int header_type; /* 0: unset, 1: compact, 2: large */
+
+ enum channel_type channel_type;
+ struct lttng_kernel_ctx *ctx;
+ struct lttng_kernel_ring_buffer_channel *rb_chan; /* Ring buffer channel */
+ unsigned int metadata_dumped:1;
+ struct list_head node; /* Channel list in session */
+ struct lttng_transport *transport;
+};
+
enum lttng_kernel_bytecode_interpreter_ret {
LTTNG_KERNEL_BYTECODE_INTERPRETER_ERROR = -1,
LTTNG_KERNEL_BYTECODE_INTERPRETER_OK = 0,
LTTNG_KERNEL_BYTECODE_TYPE_CAPTURE,
};
+enum lttng_kernel_event_enabler_type {
+ LTTNG_EVENT_ENABLER_TYPE_RECORDER,
+ LTTNG_EVENT_ENABLER_TYPE_NOTIFIER,
+};
+
struct lttng_kernel_bytecode_node {
enum lttng_kernel_bytecode_type type;
struct list_head node;
- struct lttng_enabler *enabler;
+ struct lttng_event_enabler_common *enabler;
struct {
uint32_t len;
uint32_t reloc_offset;
* Enabler field, within whatever object is enabling an event. Target of
* backward reference.
*/
-struct lttng_enabler {
+struct lttng_event_enabler_common {
+ enum lttng_kernel_event_enabler_type enabler_type;
enum lttng_enabler_format_type format_type;
/* head list of struct lttng_kernel_bytecode_node */
uint64_t user_token; /* User-provided token. */
};
-struct lttng_event_enabler {
- struct lttng_enabler base;
- struct list_head node; /* per-session list of enablers */
- struct lttng_channel *chan;
+struct lttng_event_recorder_enabler {
+ struct lttng_event_enabler_common parent;
+ struct list_head node; /* per-session list of enablers */
+ bool published; /* published in per-session list. */
+ struct lttng_kernel_channel_buffer *chan;
};
struct lttng_event_notifier_enabler {
- struct lttng_enabler base;
+ struct lttng_event_enabler_common parent;
uint64_t error_counter_index;
struct list_head node; /* List of event_notifier enablers */
struct lttng_event_notifier_group *group;
size_t offset);
void (*record)(void *priv, struct lttng_kernel_probe_ctx *probe_ctx,
struct lttng_kernel_ring_buffer_ctx *ctx,
- struct lttng_channel *chan);
+ struct lttng_kernel_channel_buffer *chan);
void (*get_value)(void *priv, struct lttng_kernel_probe_ctx *probe_ctx,
struct lttng_ctx_value *value);
void (*destroy)(void *priv);
uint64_t version; /* Current version of the metadata */
};
+struct lttng_metadata_stream {
+ void *priv; /* Ring buffer private data */
+ struct lttng_metadata_cache *metadata_cache;
+ unsigned int metadata_in; /* Bytes read from the cache */
+ unsigned int metadata_out; /* Bytes consumed from stream */
+ int finalized; /* Has channel been finalized */
+ wait_queue_head_t read_wait; /* Reader buffer-level wait queue */
+ struct list_head list; /* Stream list */
+ struct lttng_transport *transport;
+ uint64_t version; /* Current version of the metadata cache */
+ bool coherent; /* Stream in a coherent state */
+};
+
struct lttng_kernel_channel_buffer_ops_private {
struct lttng_kernel_channel_buffer_ops *pub; /* Public channel buffer ops interface */
- struct channel *(*channel_create)(const char *name,
+ struct lttng_kernel_ring_buffer_channel *(*channel_create)(const char *name,
void *priv,
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
unsigned int switch_timer_interval,
unsigned int read_timer_interval);
- void (*channel_destroy)(struct channel *chan);
- struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
- int (*buffer_has_read_closed_stream)(struct channel *chan);
- void (*buffer_read_close)(struct lib_ring_buffer *buf);
+ void (*channel_destroy)(struct lttng_kernel_ring_buffer_channel *chan);
+ struct lttng_kernel_ring_buffer *(*buffer_read_open)(struct lttng_kernel_ring_buffer_channel *chan);
+ int (*buffer_has_read_closed_stream)(struct lttng_kernel_ring_buffer_channel *chan);
+ void (*buffer_read_close)(struct lttng_kernel_ring_buffer *buf);
/*
* 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 channel *chan);
- wait_queue_head_t *(*get_writer_buf_wait_queue)(struct channel *chan, int cpu);
- wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan);
- int (*is_finalized)(struct channel *chan);
- int (*is_disabled)(struct channel *chan);
- int (*timestamp_begin) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ size_t (*packet_avail_size)(struct lttng_kernel_ring_buffer_channel *chan);
+ wait_queue_head_t *(*get_writer_buf_wait_queue)(struct lttng_kernel_ring_buffer_channel *chan, int cpu);
+ wait_queue_head_t *(*get_hp_wait_queue)(struct lttng_kernel_ring_buffer_channel *chan);
+ int (*is_finalized)(struct lttng_kernel_ring_buffer_channel *chan);
+ int (*is_disabled)(struct lttng_kernel_ring_buffer_channel *chan);
+ int (*timestamp_begin) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *timestamp_begin);
- int (*timestamp_end) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*timestamp_end) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *timestamp_end);
- int (*events_discarded) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*events_discarded) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *events_discarded);
- int (*content_size) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*content_size) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *content_size);
- int (*packet_size) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*packet_size) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *packet_size);
- int (*stream_id) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*stream_id) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *stream_id);
- int (*current_timestamp) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*current_timestamp) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *ts);
- int (*sequence_number) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*sequence_number) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *seq);
- int (*instance_id) (const struct lib_ring_buffer_config *config,
- struct lib_ring_buffer *bufb,
+ int (*instance_id) (const struct lttng_kernel_ring_buffer_config *config,
+ struct lttng_kernel_ring_buffer *bufb,
uint64_t *id);
};
struct lttng_counter_ops *ops;
};
+#define LTTNG_EVENT_NOTIFIER_HT_BITS 12
+#define LTTNG_EVENT_NOTIFIER_HT_SIZE (1U << LTTNG_EVENT_NOTIFIER_HT_BITS)
+
+struct lttng_event_notifier_ht {
+ struct hlist_head table[LTTNG_EVENT_NOTIFIER_HT_SIZE];
+};
+
struct lttng_event_notifier_group {
struct file *file; /* File associated to event notifier group */
struct file *notif_file; /* File used to expose notifications to userspace. */
struct lttng_event_notifier_ht event_notifiers_ht; /* Hash table of event notifiers */
struct lttng_kernel_channel_buffer_ops *ops;
struct lttng_transport *transport;
- struct channel *chan; /* Ring buffer channel for event notifier group. */
- struct lib_ring_buffer *buf; /* Ring buffer for event notifier group. */
+ struct lttng_kernel_ring_buffer_channel *chan; /* Ring buffer channel for event notifier group. */
+ struct lttng_kernel_ring_buffer *buf; /* Ring buffer for event notifier group. */
wait_queue_head_t read_wait;
struct irq_work wakeup_pending; /* Pending wakeup irq work. */
- struct lttng_kernel_event_notifier *sc_unknown; /* for unknown syscalls */
- struct lttng_kernel_event_notifier *sc_compat_unknown;
-
- struct lttng_syscall_filter *sc_filter;
- struct hlist_head *event_notifier_syscall_dispatch;
- struct hlist_head *event_notifier_compat_syscall_dispatch;
- struct hlist_head *event_notifier_exit_syscall_dispatch;
- struct hlist_head *event_notifier_exit_compat_syscall_dispatch;
-
- struct hlist_head event_notifier_unknown_syscall_dispatch;
- struct hlist_head event_notifier_compat_unknown_syscall_dispatch;
- struct hlist_head event_notifier_exit_unknown_syscall_dispatch;
- struct hlist_head event_notifier_exit_compat_unknown_syscall_dispatch;
-
- int syscall_all_entry;
- int syscall_all_exit;
-
- unsigned int sys_enter_registered:1, sys_exit_registered:1;
+ struct lttng_kernel_syscall_table syscall_table;
struct lttng_counter *error_counter;
size_t error_counter_len;
struct lttng_counter_ops ops;
};
+#define LTTNG_EVENT_HT_BITS 12
+#define LTTNG_EVENT_HT_SIZE (1U << LTTNG_EVENT_HT_BITS)
+
+struct lttng_event_ht {
+ struct hlist_head table[LTTNG_EVENT_HT_SIZE];
+};
+
+struct lttng_kernel_session_private {
+ struct lttng_kernel_session *pub; /* Public session interface */
+
+ int been_active; /* Has trace session been active ? */
+ struct file *file; /* File associated to session */
+ struct list_head chan; /* Channel list head */
+ struct list_head events; /* Event list head */
+ struct list_head list; /* Session list */
+ unsigned int free_chan_id; /* Next chan ID to allocate */
+ uuid_le uuid; /* Trace session unique ID */
+ struct lttng_metadata_cache *metadata_cache;
+ unsigned int metadata_dumped:1,
+ tstate:1; /* Transient enable state */
+ /* List of event enablers */
+ struct list_head enablers_head;
+ /* Hash table of events */
+ struct lttng_event_ht events_ht;
+ char name[LTTNG_KERNEL_ABI_SESSION_NAME_LEN];
+ char creation_time[LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN];
+};
+
+struct lttng_id_hash_node {
+ struct hlist_node hlist;
+ int id;
+};
+
+enum tracker_type {
+ TRACKER_PID,
+ TRACKER_VPID,
+ TRACKER_UID,
+ TRACKER_VUID,
+ TRACKER_GID,
+ TRACKER_VGID,
+
+ TRACKER_UNKNOWN,
+};
+
+struct lttng_kernel_id_tracker_private {
+ struct lttng_kernel_id_tracker *pub; /* Public interface */
+
+ struct lttng_kernel_session *session;
+ enum tracker_type tracker_type;
+};
+
extern struct lttng_kernel_ctx *lttng_static_ctx;
static inline
if (!type_integer)
return false;
switch (type_integer->size) {
- case 8: /* Fall-through. */
- case 16: /* Fall-through. */
- case 32: /* Fall-through. */
+ case 8:
+ lttng_fallthrough;
+ case 16:
+ lttng_fallthrough;
+ case 32:
+ lttng_fallthrough;
case 64:
break;
default:
void *event_filter_ctx);
static inline
-struct lttng_enabler *lttng_event_enabler_as_enabler(
- struct lttng_event_enabler *event_enabler)
+struct lttng_event_enabler_common *lttng_event_recorder_enabler_as_enabler(
+ struct lttng_event_recorder_enabler *event_recorder_enabler)
{
- return &event_enabler->base;
+ return &event_recorder_enabler->parent;
}
static inline
-struct lttng_enabler *lttng_event_notifier_enabler_as_enabler(
+struct lttng_event_enabler_common *lttng_event_notifier_enabler_as_enabler(
struct lttng_event_notifier_enabler *event_notifier_enabler)
{
- return &event_notifier_enabler->base;
+ return &event_notifier_enabler->parent;
}
int lttng_context_init(void);
#endif
#if defined(CONFIG_TIME_NS) && \
- (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0))
+ (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) || \
+ LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
int lttng_add_time_ns_to_ctx(struct lttng_kernel_ctx **ctx);
#else
static inline
}
#endif
-struct lttng_event_enabler *lttng_event_enabler_create(
+struct lttng_event_recorder_enabler *lttng_event_recorder_enabler_create(
enum lttng_enabler_format_type format_type,
struct lttng_kernel_abi_event *event_param,
- struct lttng_channel *chan);
+ struct lttng_kernel_channel_buffer *chan);
+void lttng_event_enabler_session_add(struct lttng_kernel_session *session,
+ struct lttng_event_recorder_enabler *event_enabler);
-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_abi_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_event_enabler_attach_filter_bytecode(struct lttng_event_enabler *event_enabler,
- struct lttng_kernel_abi_filter_bytecode __user *bytecode);
-int lttng_event_notifier_enabler_attach_filter_bytecode(
- struct lttng_event_notifier_enabler *event_notifier_enabler,
- struct lttng_kernel_abi_filter_bytecode __user *bytecode);
int lttng_event_notifier_enabler_attach_capture_bytecode(
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_kernel_abi_capture_bytecode __user *bytecode);
+int lttng_event_enabler_enable(struct lttng_event_enabler_common *event_enabler);
+int lttng_event_enabler_disable(struct lttng_event_enabler_common *event_enabler);
+int lttng_event_enabler_attach_filter_bytecode(struct lttng_event_enabler_common *event_enabler,
+ struct lttng_kernel_abi_filter_bytecode __user *bytecode);
+void lttng_event_enabler_destroy(struct lttng_event_enabler_common *event_enabler);
+
int lttng_desc_match_enabler(const struct lttng_kernel_event_desc *desc,
- struct lttng_enabler *enabler);
+ struct lttng_event_enabler_common *enabler);
void lttng_enabler_link_bytecode(const struct lttng_kernel_event_desc *event_desc,
struct lttng_kernel_ctx *ctx,
struct list_head *enabler_bytecode_runtime_head);
#if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
-int lttng_syscalls_register_event(struct lttng_event_enabler *event_enabler);
-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_kernel_event_recorder *event);
-int lttng_syscall_filter_disable_event(
- struct lttng_channel *chan,
- struct lttng_kernel_event_recorder *event);
+int lttng_syscalls_register_event(struct lttng_event_enabler_common *event_enabler);
+int lttng_syscall_filter_enable_event(struct lttng_kernel_event_common *event);
+int lttng_syscall_filter_disable_event(struct lttng_kernel_event_common *event);
+
+int lttng_syscalls_unregister_syscall_table(struct lttng_kernel_syscall_table *syscall_table);
+int lttng_syscalls_destroy_syscall_table(struct lttng_kernel_syscall_table *syscall_table);
-long lttng_channel_syscall_mask(struct lttng_channel *channel,
+long lttng_channel_syscall_mask(struct lttng_kernel_channel_buffer *channel,
struct lttng_kernel_abi_syscall_mask __user *usyscall_mask);
-int lttng_syscalls_register_event_notifier(
- struct lttng_event_notifier_enabler *event_notifier_enabler);
int lttng_syscalls_create_matching_event_notifiers(
struct lttng_event_notifier_enabler *event_notifier_enabler);
-int lttng_syscalls_unregister_event_notifier_group(struct lttng_event_notifier_group *group);
-int lttng_syscall_filter_enable_event_notifier(struct lttng_kernel_event_notifier *event_notifier);
-int lttng_syscall_filter_disable_event_notifier(struct lttng_kernel_event_notifier *event_notifier);
#else
-static inline int lttng_syscalls_register_event(
- struct lttng_event_enabler *event_enabler)
-{
- 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_kernel_event_recorder *event);
+static inline int lttng_syscalls_register_event(struct lttng_event_enabler_common *event_enabler)
{
return -ENOSYS;
}
-static inline int lttng_syscall_filter_disable_event(struct lttng_channel *chan,
- struct lttng_kernel_event_recorder *event);
+static inline int lttng_syscall_filter_enable_event(struct lttng_kernel_event_common *event)
{
return -ENOSYS;
}
-static inline long lttng_channel_syscall_mask(struct lttng_channel *channel,
- struct lttng_kernel_syscall_mask __user *usyscall_mask)
+static inline int lttng_syscall_filter_disable_event(struct lttng_kernel_event_common *event)
{
return -ENOSYS;
}
-static inline int lttng_syscalls_register_event_notifier(
- struct lttng_event_notifier_group *group)
+static inline int lttng_syscalls_unregister_syscall_table(struct lttng_kernel_syscall_table *syscall_table)
{
- return -ENOSYS;
+ return 0;
}
-static inline int lttng_syscalls_unregister_event_notifier_group(
- struct lttng_event_notifier_group *group)
+static inline int lttng_syscalls_destroy_syscall_table(struct lttng_kernel_syscall_table *syscall_table)
{
return 0;
}
-static inline int lttng_syscall_filter_enable_event_notifier(
- struct lttng_event_notifier_group *group,
- const char *name)
+static inline long lttng_channel_syscall_mask(struct lttng_kernel_channel_buffer *channel,
+ struct lttng_kernel_syscall_mask __user *usyscall_mask)
{
return -ENOSYS;
}
-static inline int lttng_syscall_filter_disable_event_notifier(
- struct lttng_event_notifier_group *group,
- const char *name)
+static inline int lttng_syscalls_create_matching_event_notifiers(struct lttng_event_notifier_enabler *event_notifier_enabler)
{
return -ENOSYS;
}
#ifdef CONFIG_UPROBES
int lttng_uprobes_register_event(const char *name,
- int fd, struct lttng_kernel_event_recorder *event);
+ int fd, struct lttng_kernel_event_common *event);
int lttng_uprobes_event_add_callsite(struct lttng_kernel_event_common *event,
struct lttng_kernel_abi_event_callsite __user *callsite);
-void lttng_uprobes_unregister_event(struct lttng_kernel_event_recorder *event);
-void lttng_uprobes_destroy_event_private(struct lttng_kernel_event_recorder *event);
-int lttng_uprobes_register_event_notifier(const char *name,
- int fd, struct lttng_kernel_event_notifier *event_notifier);
-void lttng_uprobes_unregister_event_notifier(struct lttng_kernel_event_notifier *event_notifier);
-void lttng_uprobes_destroy_event_notifier_private(struct lttng_kernel_event_notifier *event_notifier);
+void lttng_uprobes_unregister_event(struct lttng_kernel_event_common *event);
+void lttng_uprobes_destroy_event_private(struct lttng_kernel_event_common *event);
#else
static inline
int lttng_uprobes_register_event(const char *name,
- int fd, struct lttng_kernel_event_recorder *event)
+ int fd, struct lttng_kernel_event_common *event)
{
return -ENOSYS;
}
}
static inline
-void lttng_uprobes_unregister_event(struct lttng_kernel_event_recorder *event)
+void lttng_uprobes_unregister_event(struct lttng_kernel_event_common *event)
{
}
static inline
-void lttng_uprobes_destroy_event_private(struct lttng_kernel_event_recorder *event)
-{
-}
-
-static inline
-int lttng_uprobes_register_event_notifier(const char *name,
- int fd, struct lttng_kernel_event_notifier *event_notifier)
-{
- return -ENOSYS;
-}
-
-static inline
-void lttng_uprobes_unregister_event_notifier(struct lttng_kernel_event_notifier *event_notifier)
-{
-}
-
-static inline
-void lttng_uprobes_destroy_event_notifier_private(struct lttng_kernel_event_notifier *event_notifier)
+void lttng_uprobes_destroy_event_private(struct lttng_kernel_event_common *event)
{
}
#endif
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);
+struct lttng_kernel_session *lttng_session_create(void);
+int lttng_session_enable(struct lttng_kernel_session *session);
+int lttng_session_disable(struct lttng_kernel_session *session);
+void lttng_session_destroy(struct lttng_kernel_session *session);
+int lttng_session_metadata_regenerate(struct lttng_kernel_session *session);
+int lttng_session_statedump(struct lttng_kernel_session *session);
void metadata_cache_destroy(struct kref *kref);
struct lttng_counter *lttng_kernel_counter_create(
void lttng_event_notifier_group_destroy(
struct lttng_event_notifier_group *event_notifier_group);
-struct lttng_channel *lttng_channel_create(struct lttng_session *session,
+struct lttng_kernel_channel_buffer *lttng_channel_buffer_create(struct lttng_kernel_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,
+struct lttng_kernel_channel_buffer *lttng_global_channel_create(struct lttng_kernel_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,
+void lttng_metadata_channel_destroy(struct lttng_kernel_channel_buffer *chan);
+struct lttng_kernel_event_recorder *lttng_kernel_event_recorder_create(struct lttng_event_recorder_enabler *event_enabler,
+ const struct lttng_kernel_event_desc *event_desc);
+struct lttng_kernel_event_recorder *_lttng_kernel_event_recorder_create(struct lttng_event_recorder_enabler *event_enabler,
+ const struct lttng_kernel_event_desc *event_desc);
+struct lttng_kernel_event_recorder *lttng_event_compat_old_create(struct lttng_kernel_channel_buffer *chan,
struct lttng_kernel_abi_old_event *old_event_param,
const struct lttng_kernel_event_desc *internal_desc);
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_channel_enable(struct lttng_kernel_channel_common *channel);
+int lttng_channel_disable(struct lttng_kernel_channel_common *channel);
int lttng_event_enable(struct lttng_kernel_event_common *event);
int lttng_event_disable(struct lttng_kernel_event_common *event);
void lttng_probes_exit(void);
int lttng_metadata_output_channel(struct lttng_metadata_stream *stream,
- struct channel *chan, bool *coherent);
+ struct lttng_kernel_ring_buffer_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);
-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,
+int lttng_id_tracker_empty_set(struct lttng_kernel_id_tracker *lf);
+int lttng_id_tracker_init(struct lttng_kernel_id_tracker *lf,
+ struct lttng_kernel_session *session,
+ enum tracker_type type);
+void lttng_id_tracker_fini(struct lttng_kernel_id_tracker *lf);
+void lttng_id_tracker_destroy(struct lttng_kernel_id_tracker *lf, bool rcu);
+int lttng_id_tracker_add(struct lttng_kernel_id_tracker *lf, int id);
+int lttng_id_tracker_del(struct lttng_kernel_id_tracker *lf, int id);
+
+int lttng_session_track_id(struct lttng_kernel_session *session,
enum tracker_type tracker_type, int id);
-int lttng_session_untrack_id(struct lttng_session *session,
+int lttng_session_untrack_id(struct lttng_kernel_session *session,
enum tracker_type tracker_type, int id);
-int lttng_session_list_tracker_ids(struct lttng_session *session,
+int lttng_session_list_tracker_ids(struct lttng_kernel_session *session,
enum tracker_type tracker_type);
void lttng_clock_ref(void);
int lttng_logger_init(void);
void lttng_logger_exit(void);
-extern int lttng_statedump_start(struct lttng_session *session);
+extern int lttng_statedump_start(struct lttng_kernel_session *session);
int lttng_calibrate(struct lttng_kernel_abi_calibrate *calibrate);
projects / lttng-modules.git / blobdiff