struct lttng_ctx_field *fields;
unsigned int nr_fields;
unsigned int allocated_fields;
+ size_t largest_align; /* in bytes */
};
struct lttng_event_desc {
- const char *name;
+ const char *name; /* lttng-modules name */
+ const char *kname; /* Linux kernel name (tracepoints) */
void *probe_callback;
const struct lttng_event_ctx *ctx; /* context */
const struct lttng_event_field *fields; /* event payload */
const void *src, size_t len);
void (*event_memset)(struct lib_ring_buffer_ctx *ctx,
int c, size_t len);
+ void (*event_strcpy)(struct lib_ring_buffer_ctx *ctx, const char *src,
+ size_t len);
+ void (*event_strcpy_from_user)(struct lib_ring_buffer_ctx *ctx,
+ const char __user *src, size_t len);
/*
* packet_avail_size returns the available size in the current
* packet. Note that the size returned is only a hint, since it
unsigned int metadata_written; /* Number of bytes written in 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;
};
struct lttng_session *lttng_session_create(void);
#endif
struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
+void lttng_context_update(struct lttng_ctx *ctx);
int lttng_find_context(struct lttng_ctx *ctx, const char *name);
void lttng_remove_context_field(struct lttng_ctx **ctx,
struct lttng_ctx_field *field);
}
#endif
+int lttng_logger_init(void);
+void lttng_logger_exit(void);
+
extern int lttng_statedump_start(struct lttng_session *session);
#ifdef CONFIG_KPROBES