struct lttng_ust_lib_ring_buffer;
struct ustctl_consumer_channel_attr {
- enum lttng_ust_chan_type type;
+ enum lttng_ust_abi_chan_type type;
uint64_t subbuf_size; /* bytes */
uint64_t num_subbuf; /* power of 2 */
int overwrite; /* 1: overwrite, 0: discard */
unsigned int switch_timer_interval; /* usec */
unsigned int read_timer_interval; /* usec */
- enum lttng_ust_output output; /* splice, mmap */
+ enum lttng_ust_abi_output output; /* splice, mmap */
uint32_t chan_id; /* channel ID */
unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
int64_t blocking_timeout; /* Blocking timeout (usec) */
*/
struct lttng_ust_context_attr {
- enum lttng_ust_context_type ctx;
+ enum lttng_ust_abi_context_type ctx;
union {
- struct lttng_ust_perf_counter_ctx perf_counter;
+ struct lttng_ust_abi_perf_counter_ctx perf_counter;
struct {
char *provider_name;
char *ctx_name;
*/
int ustctl_register_done(int sock);
int ustctl_create_session(int sock);
-int ustctl_create_event(int sock, struct lttng_ust_event *ev,
- struct lttng_ust_object_data *channel_data,
- struct lttng_ust_object_data **event_data);
+int ustctl_create_event(int sock, struct lttng_ust_abi_event *ev,
+ struct lttng_ust_abi_object_data *channel_data,
+ struct lttng_ust_abi_object_data **event_data);
int ustctl_add_context(int sock, struct lttng_ust_context_attr *ctx,
- struct lttng_ust_object_data *obj_data,
- struct lttng_ust_object_data **context_data);
-int ustctl_set_filter(int sock, struct lttng_ust_filter_bytecode *bytecode,
- struct lttng_ust_object_data *obj_data);
-int ustctl_set_exclusion(int sock, struct lttng_ust_event_exclusion *exclusion,
- struct lttng_ust_object_data *obj_data);
-int ustctl_set_capture(int sock, struct lttng_ust_capture_bytecode *bytecode,
- struct lttng_ust_object_data *obj_data);
-
-int ustctl_enable(int sock, struct lttng_ust_object_data *object);
-int ustctl_disable(int sock, struct lttng_ust_object_data *object);
+ struct lttng_ust_abi_object_data *obj_data,
+ struct lttng_ust_abi_object_data **context_data);
+int ustctl_set_filter(int sock, struct lttng_ust_abi_filter_bytecode *bytecode,
+ struct lttng_ust_abi_object_data *obj_data);
+int ustctl_set_capture(int sock, struct lttng_ust_abi_capture_bytecode *bytecode,
+ struct lttng_ust_abi_object_data *obj_data);
+int ustctl_set_exclusion(int sock, struct lttng_ust_abi_event_exclusion *exclusion,
+ struct lttng_ust_abi_object_data *obj_data);
+
+int ustctl_enable(int sock, struct lttng_ust_abi_object_data *object);
+int ustctl_disable(int sock, struct lttng_ust_abi_object_data *object);
int ustctl_start_session(int sock, int handle);
int ustctl_stop_session(int sock, int handle);
-int ustctl_create_event_notifier_group(int sock,
- int pipe_fd,
- struct lttng_ust_object_data **event_notifier_group_handle);
+/*
+ * ustctl_create_event notifier_group creates a event notifier group. It
+ * establishes the connection with the application by providing a file
+ * descriptor of the pipe to be used by the application when a event notifier
+ * of that group is fired. It returns a handle to be used when creating event
+ * notifier in that group.
+ */
+int ustctl_create_event_notifier_group(int sock, int pipe_fd,
+ struct lttng_ust_abi_object_data **event_notifier_group);
+
+/*
+ * ustctl_create_event notifier creates a event notifier in a event notifier
+ * group giving a event notifier description and a event notifier group handle.
+ * It returns a event notifier handle to be used when enabling the event
+ * notifier, attaching filter, attaching exclusion, and disabling the event
+ * notifier.
+ */
int ustctl_create_event_notifier(int sock,
- struct lttng_ust_event_notifier *event_notifier,
- struct lttng_ust_object_data *event_notifier_group_handle,
- struct lttng_ust_object_data **event_notifier_data);
+ struct lttng_ust_abi_event_notifier *event_notifier,
+ struct lttng_ust_abi_object_data *event_notifier_group,
+ struct lttng_ust_abi_object_data **event_notifier_data);
/*
* ustctl_tracepoint_list returns a tracepoint list handle, or negative
* returned.
*/
int ustctl_tracepoint_list_get(int sock, int tp_list_handle,
- struct lttng_ust_tracepoint_iter *iter);
+ struct lttng_ust_abi_tracepoint_iter *iter);
/*
* ustctl_tracepoint_field_list returns a tracepoint field list handle,
* returned.
*/
int ustctl_tracepoint_field_list_get(int sock, int tp_field_list_handle,
- struct lttng_ust_field_iter *iter);
+ struct lttng_ust_abi_field_iter *iter);
-int ustctl_tracer_version(int sock, struct lttng_ust_tracer_version *v);
+int ustctl_tracer_version(int sock, struct lttng_ust_abi_tracer_version *v);
int ustctl_wait_quiescent(int sock);
-int ustctl_sock_flush_buffer(int sock, struct lttng_ust_object_data *object);
+int ustctl_sock_flush_buffer(int sock, struct lttng_ust_abi_object_data *object);
-int ustctl_calibrate(int sock, struct lttng_ust_calibrate *calibrate);
+int ustctl_calibrate(int sock, struct lttng_ust_abi_calibrate *calibrate);
/* Release object created by members of this API. */
-int ustctl_release_object(int sock, struct lttng_ust_object_data *data);
+int ustctl_release_object(int sock, struct lttng_ust_abi_object_data *data);
/* Release handle returned by create session. */
int ustctl_release_handle(int sock, int handle);
int ustctl_recv_channel_from_consumer(int sock,
- struct lttng_ust_object_data **channel_data);
+ struct lttng_ust_abi_object_data **channel_data);
int ustctl_recv_stream_from_consumer(int sock,
- struct lttng_ust_object_data **stream_data);
+ struct lttng_ust_abi_object_data **stream_data);
int ustctl_send_channel_to_ust(int sock, int session_handle,
- struct lttng_ust_object_data *channel_data);
+ struct lttng_ust_abi_object_data *channel_data);
int ustctl_send_stream_to_ust(int sock,
- struct lttng_ust_object_data *channel_data,
- struct lttng_ust_object_data *stream_data);
+ struct lttng_ust_abi_object_data *channel_data,
+ struct lttng_ust_abi_object_data *stream_data);
/*
* ustctl_duplicate_ust_object_data allocated a new object in "dest" if
* it succeeds (returns 0). It must be released using
* ustctl_release_object() and then freed with free().
*/
-int ustctl_duplicate_ust_object_data(struct lttng_ust_object_data **dest,
- struct lttng_ust_object_data *src);
+int ustctl_duplicate_ust_object_data(struct lttng_ust_abi_object_data **dest,
+ struct lttng_ust_abi_object_data *src);
/*
* API used by consumer.
void ustctl_flush_buffer(struct ustctl_consumer_stream *stream,
int producer_active);
+void ustctl_clear_buffer(struct ustctl_consumer_stream *stream);
/* index */
+
+/*
+ * Getters which need to be used on the current packet (between get/put
+ * or get_next/put_next.
+ */
+
int ustctl_get_timestamp_begin(struct ustctl_consumer_stream *stream,
uint64_t *timestamp_begin);
int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream,
uint64_t *content_size);
int ustctl_get_packet_size(struct ustctl_consumer_stream *stream,
uint64_t *packet_size);
-int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
- uint64_t *stream_id);
-int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
- uint64_t *ts);
int ustctl_get_sequence_number(struct ustctl_consumer_stream *stream,
uint64_t *seq);
+
+/*
+ * Getter returning state invariant for the stream, which can be used
+ * without "get" operation.
+ */
+
+int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
+ uint64_t *stream_id);
int ustctl_get_instance_id(struct ustctl_consumer_stream *stream,
uint64_t *id);
+/*
+ * Getter returning the current timestamp as perceived from the
+ * tracer.
+ */
+int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
+ uint64_t *ts);
+
/* returns whether UST has perf counters support. */
int ustctl_has_perf_counters(void);
#define USTCTL_UST_ENUM_ENTRY_PADDING 32
struct ustctl_enum_entry {
struct ustctl_enum_value start, end; /* start and end are inclusive */
- char string[LTTNG_UST_SYM_NAME_LEN];
+ char string[LTTNG_UST_ABI_SYM_NAME_LEN];
union {
struct {
uint32_t options;
union _ustctl_basic_type {
struct ustctl_integer_type integer;
struct {
- char name[LTTNG_UST_SYM_NAME_LEN];
+ char name[LTTNG_UST_ABI_SYM_NAME_LEN];
struct ustctl_integer_type container_type;
uint64_t id; /* enum ID in sessiond. */
} enumeration;
int32_t encoding; /* enum ustctl_string_encodings */
} string;
struct {
- char name[LTTNG_UST_SYM_NAME_LEN];
+ char name[LTTNG_UST_ABI_SYM_NAME_LEN];
uint64_t id; /* enum ID in sessiond. */
/* container_type follows after this struct ustctl_field. */
} enum_nestable;
/* elem_type follows after this struct ustctl_field. */
} array_nestable;
struct {
- char length_name[LTTNG_UST_SYM_NAME_LEN];
+ char length_name[LTTNG_UST_ABI_SYM_NAME_LEN];
uint32_t alignment; /* Alignment before elements. */
/* elem_type follows after the length_type. */
} sequence_nestable;
} struct_nestable;
struct {
uint32_t nr_choices;
- char tag_name[LTTNG_UST_SYM_NAME_LEN];
+ char tag_name[LTTNG_UST_ABI_SYM_NAME_LEN];
uint32_t alignment;
/* Followed by nr_choices struct ustctl_field. */
} variant_nestable;
} _struct;
struct {
uint32_t nr_choices;
- char tag_name[LTTNG_UST_SYM_NAME_LEN];
+ char tag_name[LTTNG_UST_ABI_SYM_NAME_LEN];
/* Followed by nr_choices struct ustctl_field. */
} variant;
} legacy;
#define USTCTL_UST_FIELD_PADDING 28
struct ustctl_field {
- char name[LTTNG_UST_SYM_NAME_LEN];
+ char name[LTTNG_UST_ABI_SYM_NAME_LEN];
struct ustctl_type type;
char padding[USTCTL_UST_FIELD_PADDING];
} LTTNG_PACKED;
int *channel_objd, /* channel descriptor (output) */
char *event_name, /*
* event name (output,
- * size LTTNG_UST_SYM_NAME_LEN)
+ * size LTTNG_UST_ABI_SYM_NAME_LEN)
*/
int *loglevel,
char **signature, /*
enum ustctl_channel_header header_type,
int ret_code); /* return code. 0 ok, negative error */
+/*
+ * Counter API.
+ */
+
+enum ustctl_counter_bitness {
+ USTCTL_COUNTER_BITNESS_32 = 0,
+ USTCTL_COUNTER_BITNESS_64 = 1,
+};
+
+enum ustctl_counter_arithmetic {
+ USTCTL_COUNTER_ARITHMETIC_MODULAR = 0,
+ USTCTL_COUNTER_ARITHMETIC_SATURATION = 1,
+};
+
+/* Used as alloc flags. */
+enum ustctl_counter_alloc {
+ USTCTL_COUNTER_ALLOC_PER_CPU = (1 << 0),
+ USTCTL_COUNTER_ALLOC_GLOBAL = (1 << 1),
+};
+
+struct ustctl_daemon_counter;
+
+int ustctl_get_nr_cpu_per_counter(void);
+
+struct ustctl_counter_dimension {
+ uint64_t size;
+ uint64_t underflow_index;
+ uint64_t overflow_index;
+ uint8_t has_underflow;
+ uint8_t has_overflow;
+};
+
+struct ustctl_daemon_counter *
+ ustctl_create_counter(size_t nr_dimensions,
+ const struct ustctl_counter_dimension *dimensions,
+ int64_t global_sum_step,
+ int global_counter_fd,
+ int nr_counter_cpu_fds,
+ const int *counter_cpu_fds,
+ enum ustctl_counter_bitness bitness,
+ enum ustctl_counter_arithmetic arithmetic,
+ uint32_t alloc_flags,
+ bool coalesce_hits);
+
+int ustctl_create_counter_data(struct ustctl_daemon_counter *counter,
+ struct lttng_ust_abi_object_data **counter_data);
+
+int ustctl_create_counter_global_data(struct ustctl_daemon_counter *counter,
+ struct lttng_ust_abi_object_data **counter_global_data);
+int ustctl_create_counter_cpu_data(struct ustctl_daemon_counter *counter, int cpu,
+ struct lttng_ust_abi_object_data **counter_cpu_data);
+
+/*
+ * Each counter data and counter cpu data created need to be destroyed
+ * before calling ustctl_destroy_counter().
+ */
+void ustctl_destroy_counter(struct ustctl_daemon_counter *counter);
+
+int ustctl_send_counter_data_to_ust(int sock, int parent_handle,
+ struct lttng_ust_abi_object_data *counter_data);
+int ustctl_send_counter_global_data_to_ust(int sock,
+ struct lttng_ust_abi_object_data *counter_data,
+ struct lttng_ust_abi_object_data *counter_global_data);
+int ustctl_send_counter_cpu_data_to_ust(int sock,
+ struct lttng_ust_abi_object_data *counter_data,
+ struct lttng_ust_abi_object_data *counter_cpu_data);
+
+int ustctl_counter_read(struct ustctl_daemon_counter *counter,
+ const size_t *dimension_indexes,
+ int cpu, int64_t *value,
+ bool *overflow, bool *underflow);
+int ustctl_counter_aggregate(struct ustctl_daemon_counter *counter,
+ const size_t *dimension_indexes,
+ int64_t *value,
+ bool *overflow, bool *underflow);
+int ustctl_counter_clear(struct ustctl_daemon_counter *counter,
+ const size_t *dimension_indexes);
+
#endif /* LTTNG_UST_CTL_INTERNAL_H */
projects / lttng-tools.git / blobdiff