*/
#include <urcu/list.h>
+#include <urcu/hlist.h>
#include <uuid/uuid.h>
#include <stdint.h>
#include <lttng/ust-abi.h>
unsigned int allocated_fields;
};
+struct tracepoint_loglevel_entry {
+ const char *identifier;
+ 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;
const struct lttng_event_ctx *ctx; /* context */
const struct lttng_event_field *fields; /* event payload */
unsigned int nr_fields;
+ const struct tracepoint_loglevel_entry **loglevel;
};
struct lttng_probe_desc {
- const struct lttng_event_desc *event_desc;
+ const char *provider;
+ const struct lttng_event_desc **event_desc;
unsigned int nr_events;
+ const struct tracepoint_loglevel_entry **loglevels;
+ unsigned int nr_loglevels;
struct cds_list_head head; /* chain registered probes */
};
+struct tp_list_entry {
+ struct lttng_ust_tracepoint_iter tp;
+ struct cds_list_head head;
+};
+
+struct lttng_ust_tracepoint_list {
+ struct tp_list_entry *iter;
+ struct cds_list_head head;
+};
+
struct ust_pending_probe;
/*
* 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;
- int metadata_dumped:1;
+ unsigned int metadata_dumped:1;
};
struct channel;
struct ltt_channel_ops *ops;
int header_type; /* 0: unset, 1: compact, 2: large */
struct lttng_ust_shm_handle *handle; /* shared-memory handle */
- int metadata_dumped:1;
+ unsigned int metadata_dumped:1;
/* Channel ID, available for consumer too */
unsigned int id;
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 */
- int metadata_dumped:1;
+ unsigned int metadata_dumped:1;
};
struct ltt_transport {
int *shm_fd, int *wait_fd,
uint64_t *memory_map_size);
-struct ltt_event *ltt_event_create(struct ltt_channel *chan,
- struct lttng_ust_event *event_param,
- void *filter);
+int ltt_event_create(struct ltt_channel *chan,
+ struct lttng_ust_event *event_param,
+ void *filter,
+ struct ltt_event **event);
int ltt_channel_enable(struct ltt_channel *channel);
int ltt_channel_disable(struct ltt_channel *channel);
struct ltt_transport *ltt_transport_find(const char *name);
+int ltt_probes_get_event_list(struct lttng_ust_tracepoint_list *list);
+void ltt_probes_prune_event_list(struct lttng_ust_tracepoint_list *list);
+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 */
projects / lttng-ust.git / blobdiff