*/
#include <urcu/list.h>
+#include <urcu/hlist.h>
#include <uuid/uuid.h>
#include <stdint.h>
#include <lttng/ust-abi.h>
long value;
};
+struct loglevel_entry;
+
+/*
+ * Entry describing a per-session active loglevel, along with the event
+ * attribute and channel information configuring the events that need to
+ * be enabled.
+ */
+struct session_loglevel {
+ struct ltt_channel *chan;
+ struct lttng_ctx *ctx; /* TODO */
+ struct lttng_ust_event event_param;
+ struct cds_list_head events; /* list of events enabled */
+ struct cds_list_head list; /* per-session list of loglevels */
+ struct cds_list_head session_list;
+ struct loglevel_entry *entry;
+ unsigned int enabled:1;
+};
+
+/*
+ * Entry describing an active loglevel (per name) for all sessions.
+ */
+struct loglevel_entry {
+ struct cds_hlist_node hlist;
+ struct cds_list_head session_list;
+ char name[0];
+};
+
+/*
+ * Entry describing a per-session active wildcard, along with the event
+ * attribute and channel information configuring the events that need to
+ * be enabled.
+ */
+struct session_wildcard {
+ struct ltt_channel *chan;
+ struct lttng_ctx *ctx; /* TODO */
+ struct lttng_ust_event event_param;
+ struct cds_list_head events; /* list of events enabled */
+ struct cds_list_head list; /* per-session list of wildcards */
+ struct cds_list_head session_list;
+ struct wildcard_entry *entry;
+ unsigned int enabled:1;
+};
+
+/*
+ * Entry describing an active wildcard (per name) for all sessions.
+ */
+struct wildcard_entry {
+ struct cds_list_head list;
+ struct cds_list_head session_list;
+ char name[0];
+};
+
struct lttng_event_desc {
const char *name;
void *probe_callback;
/*
* ltt_event structure is referred to by the tracing fast path. It must be
* kept small.
+ * Note about loglevel_list: this list is only used to enable/disable
+ * events on a per-loglevel basis. The events created internally by the
+ * loglevel are only freed when the session is destroyed.
*/
struct ltt_event {
unsigned int id;
union {
} u;
struct cds_list_head list; /* Event list */
+ struct cds_list_head loglevel_list; /* Event list for loglevel */
+ struct cds_list_head wildcard_list; /* Event list for wildcard */
struct ust_pending_probe *pending_probe;
unsigned int metadata_dumped:1;
};
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,
+ int **shm_fd, int **wait_fd,
+ uint64_t **memory_map_size,
struct ltt_channel *chan_priv_init);
void (*channel_destroy)(struct ltt_channel *ltt_chan);
struct lttng_ust_lib_ring_buffer *(*buffer_read_open)(struct channel *chan,
struct lttng_ust_shm_handle *handle,
- int *shm_fd, int *wait_fd,
- uint64_t *memory_map_size);
+ int **shm_fd, int **wait_fd,
+ uint64_t **memory_map_size);
void (*buffer_read_close)(struct lttng_ust_lib_ring_buffer *buf,
struct lttng_ust_shm_handle *handle);
int (*event_reserve)(struct lttng_ust_lib_ring_buffer_ctx *ctx,
struct ltt_channel *metadata; /* Metadata channel */
struct cds_list_head chan; /* Channel list head */
struct cds_list_head events; /* Event list head */
+ struct cds_list_head loglevels; /* Loglevel list head */
+ struct cds_list_head wildcards; /* Wildcard list head */
struct cds_list_head list; /* Session list */
unsigned int free_chan_id; /* Next chan ID to allocate */
uuid_t uuid; /* Trace session unique ID */
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,
+ int **shm_fd, int **wait_fd,
+ uint64_t **memory_map_size,
struct ltt_channel *chan_priv_init);
struct ltt_channel *ltt_global_channel_create(struct ltt_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,
- int *shm_fd, int *wait_fd,
- uint64_t *memory_map_size);
+ int **shm_fd, int **wait_fd,
+ uint64_t **memory_map_size);
int ltt_event_create(struct ltt_channel *chan,
struct lttng_ust_event *event_param,
struct lttng_ust_tracepoint_iter *
lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list);
+struct loglevel_entry *get_loglevel(const char *name);
+struct loglevel_entry *get_loglevel_value(int64_t value);
+struct session_loglevel *add_loglevel(const char *name,
+ struct ltt_channel *chan,
+ struct lttng_ust_event *event_param);
+void _remove_loglevel(struct session_loglevel *loglevel);
+int ltt_loglevel_enable(struct session_loglevel *loglevel);
+int ltt_loglevel_disable(struct session_loglevel *loglevel);
+int ltt_loglevel_create(struct ltt_channel *chan,
+ struct lttng_ust_event *event_param,
+ struct session_loglevel **sl);
+
+struct wildcard_entry *match_wildcard(const char *name);
+struct session_wildcard *add_wildcard(const char *name,
+ struct ltt_channel *chan,
+ struct lttng_ust_event *event_param);
+void _remove_wildcard(struct session_wildcard *wildcard);
+int ltt_wildcard_enable(struct session_wildcard *wildcard);
+int ltt_wildcard_disable(struct session_wildcard *wildcard);
+int ltt_wildcard_create(struct ltt_channel *chan,
+ struct lttng_ust_event *event_param,
+ struct session_wildcard **sl);
+
#endif /* _LTTNG_UST_EVENTS_H */