struct lttng_ust_lib_ring_buffer_ctx;
struct lttng_ust_context_app;
struct lttng_event_field;
+struct lttng_event_notifier;
+struct lttng_event_notifier_group;
/*
* Data structures used by tracepoint event declarations, and by the
enum lttng_ust_dynamic_type sel;
union {
int64_t s64;
+ uint64_t u64;
const char *str;
double d;
} u;
struct lttng_event;
/*
- * Filter return value masks.
+ * Bytecode interpreter return value masks.
*/
-enum lttng_filter_ret {
- LTTNG_FILTER_DISCARD = 0,
- LTTNG_FILTER_RECORD_FLAG = (1ULL << 0),
+enum lttng_bytecode_interpreter_ret {
+ LTTNG_INTERPRETER_DISCARD = 0,
+ LTTNG_INTERPRETER_RECORD_FLAG = (1ULL << 0),
/* Other bits are kept for future use. */
};
+struct lttng_interpreter_output;
+
/*
* This structure is used in the probes. More specifically, the `filter` and
* `node` fields are explicity used in the probes. When modifying this
struct lttng_bytecode_runtime {
/* Associated bytecode */
struct lttng_ust_bytecode_node *bc;
- uint64_t (*filter)(void *interpreter_data,
- const char *interpreter_stack_data);
+ union {
+ uint64_t (*filter)(void *interpreter_data,
+ const char *interpreter_stack_data);
+ uint64_t (*capture)(void *interpreter_data,
+ const char *interpreter_stack_data,
+ struct lttng_interpreter_output *interpreter_output);
+ } interpreter_funcs;
int link_failed;
struct cds_list_head node; /* list of bytecode runtime in event */
/*
struct lttng_event_notifier {
uint64_t user_token;
+ uint64_t error_counter_index;
int enabled;
int registered; /* has reg'd tracepoint probe */
+ size_t num_captures; /* Needed to allocate the msgpack array. */
+ void (*notification_send)(struct lttng_event_notifier *event_notifier,
+ const char *stack_data);
struct cds_list_head filter_bytecode_runtime_head;
+ struct cds_list_head capture_bytecode_runtime_head;
int has_enablers_without_bytecode;
struct cds_list_head enablers_ref_head;
const struct lttng_event_desc *desc;
int tstate:1; /* Transient enable state */
};
+#define LTTNG_COUNTER_DIMENSION_MAX 8
+
+struct lttng_counter_dimension {
+ uint64_t size;
+ uint64_t underflow_index;
+ uint64_t overflow_index;
+ uint8_t has_underflow;
+ uint8_t has_overflow;
+};
+
+struct lttng_counter_ops {
+ struct lib_counter *(*counter_create)(size_t nr_dimensions,
+ const struct lttng_counter_dimension *dimensions,
+ int64_t global_sum_step,
+ int global_counter_fd,
+ int nr_counter_cpu_fds,
+ const int *counter_cpu_fds,
+ bool is_daemon);
+ void (*counter_destroy)(struct lib_counter *counter);
+ int (*counter_add)(struct lib_counter *counter,
+ const size_t *dimension_indexes, int64_t v);
+ int (*counter_read)(struct lib_counter *counter,
+ const size_t *dimension_indexes, int cpu,
+ int64_t *value, bool *overflow, bool *underflow);
+ int (*counter_aggregate)(struct lib_counter *counter,
+ const size_t *dimension_indexes, int64_t *value,
+ bool *overflow, bool *underflow);
+ int (*counter_clear)(struct lib_counter *counter, const size_t *dimension_indexes);
+};
+
#define LTTNG_UST_STACK_CTX_PADDING 32
struct lttng_stack_ctx {
struct lttng_event *event;
struct lttng_ctx *ctx; /* contexts for filters. */
};
+struct lttng_counter {
+ int objd;
+ struct lttng_event_notifier_group *event_notifier_group; /* owner */
+ struct lttng_counter_transport *transport;
+ struct lib_counter *counter;
+ struct lttng_counter_ops *ops;
+};
+
struct lttng_event_notifier_group {
int objd;
void *owner;
struct cds_list_head event_notifiers_head; /* list of event_notifiers */
struct lttng_ust_event_notifier_ht event_notifiers_ht; /* hashtable of event_notifiers */
struct lttng_ctx *ctx; /* contexts for filters. */
+
+ struct lttng_counter *error_counter;
+ size_t error_counter_len;
};
struct lttng_transport {
const struct lttng_ust_lib_ring_buffer_config *client_config;
};
+struct lttng_counter_transport {
+ char *name;
+ struct cds_list_head node;
+ struct lttng_counter_ops ops;
+ const struct lib_counter_config *client_config;
+};
+
struct lttng_session *lttng_session_create(void);
int lttng_session_enable(struct lttng_session *session);
int lttng_session_disable(struct lttng_session *session);
int lttng_session_statedump(struct lttng_session *session);
void lttng_session_destroy(struct lttng_session *session);
-void lttng_event_notifier_notification_send(
- struct lttng_event_notifier *event_notifier);
-
struct lttng_channel *lttng_channel_create(struct lttng_session *session,
const char *transport_name,
void *buf_addr,
int lttng_attach_context(struct lttng_ust_context *context_param,
union ust_args *uargs,
struct lttng_ctx **ctx, struct lttng_session *session);
-int lttng_session_context_init(struct lttng_ctx **ctx);
-
void lttng_transport_register(struct lttng_transport *transport);
void lttng_transport_unregister(struct lttng_transport *transport);
-void synchronize_trace(void);
+void lttng_counter_transport_register(struct lttng_counter_transport *transport);
+void lttng_counter_transport_unregister(struct lttng_counter_transport *transport);
+
+struct lttng_counter *lttng_ust_counter_create(
+ const char *counter_transport_name,
+ size_t number_dimensions, const struct lttng_counter_dimension *dimensions);
int lttng_probe_register(struct lttng_probe_desc *desc);
void lttng_probe_unregister(struct lttng_probe_desc *desc);
extern const struct lttng_ust_client_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite;
struct lttng_transport *lttng_transport_find(const char *name);
+struct lttng_counter_transport *lttng_counter_transport_find(const char *name);
int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list);
void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list);
lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list);
void lttng_free_event_filter_runtime(struct lttng_event *event);
-void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
struct cds_list_head *lttng_get_probe_list_head(void);
int lttng_session_active(void);
struct lttng_ust_excluder_node *excluder);
void lttng_enabler_event_link_bytecode(struct lttng_event *event,
struct lttng_enabler *enabler);
+void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
+int lttng_session_context_init(struct lttng_ctx **ctx);
+
#ifdef __cplusplus
}
projects / deliverable / lttng-ust.git / blobdiff