#include <urcu/ref.h>
#include <pthread.h>
-#ifndef LTTNG_PACKED
-#error "LTTNG_PACKED should be defined"
-#endif
-
#ifdef __cplusplus
extern "C" {
#endif
#define LTTNG_UST_PROVIDER_MAJOR 2
#define LTTNG_UST_PROVIDER_MINOR 0
-struct lttng_channel;
+struct lttng_ust_channel_buffer;
struct lttng_ust_session;
struct lttng_ust_lib_ring_buffer_ctx;
struct lttng_ust_event_field;
/* Data structures used by the tracer. */
/*
- * Bytecode interpreter return value masks.
+ * Bytecode interpreter return value.
*/
enum lttng_ust_bytecode_interpreter_ret {
- LTTNG_UST_BYTECODE_INTERPRETER_DISCARD = 0,
- LTTNG_UST_BYTECODE_INTERPRETER_RECORD_FLAG = (1ULL << 0),
- /* Other bits are kept for future use. */
+ LTTNG_UST_BYTECODE_INTERPRETER_ERROR = -1,
+ LTTNG_UST_BYTECODE_INTERPRETER_OK = 0,
};
struct lttng_interpreter_output;
struct lttng_ust_bytecode_runtime_private;
+enum lttng_ust_bytecode_filter_result {
+ LTTNG_UST_BYTECODE_FILTER_ACCEPT = 0,
+ LTTNG_UST_BYTECODE_FILTER_REJECT = 1,
+};
+
+/*
+ * IMPORTANT: this structure is part of the ABI between the probe and
+ * UST. Fields need to be only added at the end, never reordered, never
+ * removed.
+ *
+ * The field @struct_size should be used to determine the size of the
+ * structure. It should be queried before using additional fields added
+ * at the end of the structure.
+ */
+struct lttng_ust_bytecode_filter_ctx {
+ uint32_t struct_size; /* Size of this structure. */
+
+ enum lttng_ust_bytecode_filter_result result;
+
+ /* End of base ABI. Fields below should be used after checking struct_size. */
+};
+
/*
* IMPORTANT: this structure is part of the ABI between the probe and
* UST. Fields need to be only added at the end, never reordered, never
uint32_t struct_size; /* Size of this structure. */
struct lttng_ust_bytecode_runtime_private *priv;
- /* Associated bytecode */
- 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 (*interpreter_func)(struct lttng_ust_bytecode_runtime *bytecode_runtime,
+ const char *interpreter_stack_data,
+ void *ctx);
struct cds_list_head node; /* list of bytecode runtime in event */
/* End of base ABI. Fields below should be used after checking struct_size. */
struct lttng_ust_event_recorder_private *priv; /* Private event record interface */
unsigned int id;
- struct lttng_channel *chan;
- struct lttng_ust_ctx *ctx;
+ struct lttng_ust_channel_buffer *chan;
/* End of base ABI. Fields below should be used after checking struct_size. */
};
};
struct lttng_ust_lib_ring_buffer_channel;
-struct lttng_ust_shm_handle;
struct lttng_ust_channel_ops_private;
/*
/* End of base ABI. Fields below should be used after checking struct_size. */
};
+enum lttng_ust_channel_type {
+ LTTNG_UST_CHANNEL_TYPE_BUFFER = 0,
+};
+
+struct lttng_ust_channel_common_private;
+
/*
* IMPORTANT: this structure is part of the ABI between the probe and
* UST. Fields need to be only added at the end, never reordered, never
* removed.
+ *
+ * The field @struct_size should be used to determine the size of the
+ * structure. It should be queried before using additional fields added
+ * at the end of the structure.
*/
-struct lttng_channel {
- /*
- * The pointers located in this private data are NOT safe to be
- * dereferenced by the consumer. The only operations the
- * consumer process is designed to be allowed to do is to read
- * and perform subbuffer flush.
- */
- struct lttng_ust_lib_ring_buffer_channel *chan; /* Channel buffers */
+struct lttng_ust_channel_common {
+ uint32_t struct_size; /* Size of this structure. */
+
+ struct lttng_ust_channel_common_private *priv; /* Private channel interface */
+
+ enum lttng_ust_channel_type type;
+ void *child; /* Pointer to child, for inheritance by aggregation. */
+
int enabled;
- struct lttng_ust_ctx *ctx;
- /* Event ID management */
struct lttng_ust_session *session;
- int objd; /* Object associated to channel */
- struct cds_list_head node; /* Channel list in session */
+
+ /* End of base ABI. Fields below should be used after checking struct_size. */
+};
+
+struct lttng_ust_channel_buffer_private;
+
+/*
+ * IMPORTANT: this structure is part of the ABI between the probe and
+ * UST. Fields need to be only added at the end, never reordered, never
+ * removed.
+ *
+ * The field @struct_size should be used to determine the size of the
+ * structure. It should be queried before using additional fields added
+ * at the end of the structure.
+ */
+struct lttng_ust_channel_buffer {
+ uint32_t struct_size; /* Size of this structure. */
+
+ struct lttng_ust_channel_common *parent; /* Inheritance by aggregation. */
+ struct lttng_ust_channel_buffer_private *priv; /* Private channel buffer interface */
+
struct lttng_ust_channel_ops *ops;
- int header_type; /* 0: unset, 1: compact, 2: large */
- struct lttng_ust_shm_handle *handle; /* shared-memory handle */
+ struct lttng_ust_lib_ring_buffer_channel *chan; /* Channel buffers */
+ struct lttng_ust_shm_handle *handle; /* shared-memory handle */
- /* Channel ID */
- unsigned int id;
- enum lttng_ust_abi_chan_type type;
- unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
- int tstate:1; /* Transient enable state */
+ /* End of base ABI. Fields below should be used after checking struct_size. */
};
/*
uint32_t struct_size; /* Size of this structure */
struct lttng_ust_event_recorder *event_recorder;
- struct lttng_ust_ctx *chan_ctx; /* RCU dereferenced. */
- struct lttng_ust_ctx *event_ctx; /* RCU dereferenced. */
/* End of base ABI. Fields below should be used after checking struct_size. */
};
projects / lttng-ust.git / blobdiff