struct lttng_event_field {
const char *name;
struct lttng_type type;
+ unsigned int nowrite:1, /* do not write into trace */
+ user:1; /* fetch from user-space */
};
union lttng_ctx_value {
int (*current_timestamp) (const struct lib_ring_buffer_config *config,
struct lib_ring_buffer *bufb,
uint64_t *ts);
+ int (*sequence_number) (const struct lib_ring_buffer_config *config,
+ struct lib_ring_buffer *bufb,
+ uint64_t *seq);
+ int (*instance_id) (const struct lib_ring_buffer_config *config,
+ struct lib_ring_buffer *bufb,
+ uint64_t *id);
};
struct lttng_transport {
wait_queue_head_t read_wait; /* Reader buffer-level wait queue */
struct list_head list; /* Stream list */
struct lttng_transport *transport;
- struct mutex lock;
+ uint64_t version; /* Current version of the metadata cache */
};
struct kref refcount; /* Metadata cache usage */
struct list_head metadata_stream; /* Metadata stream list */
uuid_le uuid; /* Trace session unique ID (copy) */
+ struct mutex lock; /* Produce/consume lock */
+ uint64_t version; /* Current version of the metadata */
};
void lttng_lock_sessions(void);
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);
void metadata_cache_destroy(struct kref *kref);
struct lttng_channel *lttng_channel_create(struct lttng_session *session,
int lttng_session_list_tracker_pids(struct lttng_session *session);
+void lttng_clock_ref(void);
+void lttng_clock_unref(void);
+
#if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
int lttng_syscalls_register(struct lttng_channel *chan, void *filter);
int lttng_syscalls_unregister(struct lttng_channel *chan);
const char *name);
long lttng_channel_syscall_mask(struct lttng_channel *channel,
struct lttng_kernel_syscall_mask __user *usyscall_mask);
-int lttng_abi_syscall_list(void);
#else
static inline int lttng_syscalls_register(struct lttng_channel *chan, void *filter)
{
return 0;
}
-static inline
-int lttng_syscall_filter_enable(struct lttng_channel *chan,
+static inline int lttng_syscall_filter_enable(struct lttng_channel *chan,
const char *name)
{
return -ENOSYS;
}
-static inline
-int lttng_syscall_filter_disable(struct lttng_channel *chan,
+static inline int lttng_syscall_filter_disable(struct lttng_channel *chan,
const char *name)
{
return -ENOSYS;
}
-static inline
-long lttng_channel_syscall_mask(struct lttng_channel *channel,
+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_abi_syscall_list(void)
-{
- return -ENOSYS;
-}
#endif
void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler,
struct lttng_kernel_filter_bytecode __user *bytecode);
+void lttng_enabler_event_link_bytecode(struct lttng_event *event,
+ struct lttng_enabler *enabler);
extern struct lttng_ctx *lttng_static_ctx;
struct lttng_ctx_field *field);
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);
struct lttng_event *event_exit);
void lttng_kretprobes_unregister(struct lttng_event *event);
void lttng_kretprobes_destroy_private(struct lttng_event *event);
+int lttng_kretprobes_event_enable_state(struct lttng_event *event,
+ int enable);
#else
static inline
int lttng_kretprobes_register(const char *name,
void lttng_kretprobes_destroy_private(struct lttng_event *event)
{
}
+
+static inline
+int lttng_kretprobes_event_enable_state(struct lttng_event *event,
+ int enable)
+{
+ return -ENOSYS;
+}
#endif
#ifdef CONFIG_DYNAMIC_FTRACE