#include <uuid/uuid.h>
#include <stdint.h>
#include <ust/lttng-ust-abi.h>
-
-#undef is_signed_type
-#define is_signed_type(type) (((type)(-1)) < 0)
+#include <ust/lttng-tracer.h>
+#include <endian.h>
+#include <float.h>
struct ltt_channel;
struct ltt_session;
atype_array,
atype_sequence,
atype_string,
+ atype_float,
NR_ABSTRACT_TYPES,
};
.u.basic.integer = \
{ \
.size = sizeof(_type) * CHAR_BIT, \
- .alignment = ltt_alignof(_type) * CHAR_BIT, \
- .signedness = is_signed_type(_type), \
+ .alignment = lttng_alignof(_type) * CHAR_BIT, \
+ .signedness = lttng_is_signed_type(_type), \
.reverse_byte_order = _byte_order != __BYTE_ORDER, \
.base = _base, \
.encoding = lttng_encode_##_encoding, \
enum lttng_string_encodings encoding;
};
+/*
+ * Only float and double are supported. long double is not supported at
+ * the moment.
+ */
+#define _float_mant_dig(_type) \
+ (sizeof(_type) == sizeof(float) ? FLT_MANT_DIG \
+ : (sizeof(_type) == sizeof(double) ? DBL_MANT_DIG \
+ : 0))
+
+#define __type_float(_type) \
+ { \
+ .atype = atype_float, \
+ .u.basic._float = \
+ { \
+ .exp_dig = sizeof(_type) * CHAR_BIT \
+ - _float_mant_dig(_type), \
+ .mant_dig = _float_mant_dig(_type), \
+ .alignment = lttng_alignof(_type) * CHAR_BIT, \
+ .reverse_byte_order = __BYTE_ORDER != __FLOAT_WORD_ORDER, \
+ }, \
+ } \
+
+struct lttng_float_type {
+ unsigned int exp_dig; /* exponent digits, in bits */
+ unsigned int mant_dig; /* mantissa digits, in bits */
+ unsigned short alignment; /* in bits */
+ unsigned int reverse_byte_order:1;
+};
+
union _lttng_basic_type {
struct lttng_integer_type integer;
struct {
struct {
enum lttng_string_encodings encoding;
} string;
+ struct lttng_float_type _float;
};
struct lttng_basic_type {
struct cds_list_head head; /* chain registered probes */
};
+struct ust_pending_probe;
+
/*
* ltt_event structure is referred to by the tracing fast path. It must be
* kept small.
union {
} u;
struct cds_list_head list; /* Event list */
+ struct ust_pending_probe *pending_probe;
int metadata_dumped:1;
};
+struct channel;
+struct shm_handle;
+
struct ltt_channel_ops {
- struct channel *(*channel_create)(const char *name,
+ struct ltt_channel *(*channel_create)(const char *name,
struct ltt_channel *ltt_chan,
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
unsigned int switch_timer_interval,
unsigned int read_timer_interval,
- int *shmid);
- void (*channel_destroy)(struct channel *chan);
- struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
- void (*buffer_read_close)(struct lib_ring_buffer *buf);
+ int *shm_fd, int *wait_fd,
+ uint64_t *memory_map_size);
+ void (*channel_destroy)(struct ltt_channel *ltt_chan);
+ struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan,
+ struct shm_handle *handle,
+ int *shm_fd, int *wait_fd,
+ uint64_t *memory_map_size);
+ void (*buffer_read_close)(struct lib_ring_buffer *buf,
+ struct shm_handle *handle);
int (*event_reserve)(struct lib_ring_buffer_ctx *ctx,
uint32_t event_id);
void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
* packet. Note that the size returned is only a hint, since it
* may change due to concurrent writes.
*/
- size_t (*packet_avail_size)(struct channel *chan);
+ size_t (*packet_avail_size)(struct channel *chan,
+ struct shm_handle *handle);
//wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan);
//wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan);
int (*is_finalized)(struct channel *chan);
struct ltt_session *session;
int objd; /* Object associated to channel */
unsigned int free_event_id; /* Next event ID to allocate */
+ unsigned int used_event_id; /* Max allocated event IDs */
struct cds_list_head list; /* Channel list */
struct ltt_channel_ops *ops;
int header_type; /* 0: unset, 1: compact, 2: large */
- int shmid; /* shared memory ID */
+ struct shm_handle *handle; /* shared-memory handle */
int metadata_dumped:1;
};
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
unsigned int switch_timer_interval,
- unsigned int read_timer_interval);
+ unsigned int read_timer_interval,
+ int *shm_fd, int *wait_fd,
+ uint64_t *memory_map_size);
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);
+ unsigned int read_timer_interval,
+ 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 ltt_transport_unregister(struct ltt_transport *transport);
void synchronize_trace(void);
-//int ltt_debugfs_abi_init(void);
-//void ltt_debugfs_abi_exit(void);
int ltt_probe_register(struct lttng_probe_desc *desc);
void ltt_probe_unregister(struct lttng_probe_desc *desc);
+int pending_probe_fix_events(const struct lttng_event_desc *desc);
const struct lttng_event_desc *ltt_event_get(const char *name);
void ltt_event_put(const struct lttng_event_desc *desc);
int ltt_probes_init(void);
void ltt_probes_exit(void);
-struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
-void lttng_remove_context_field(struct lttng_ctx **ctx,
+int lttng_find_context(struct lttng_ctx *ctx, const char *name);
+struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p);
+void lttng_remove_context_field(struct lttng_ctx **ctx_p,
struct lttng_ctx_field *field);
void lttng_destroy_context(struct lttng_ctx *ctx);
int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx);
-
-//extern const struct file_operations lttng_tracepoint_list_fops;
+int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_procname_to_ctx(struct lttng_ctx **ctx);
+void lttng_context_vtid_reset(void);
+void lttng_context_vpid_reset(void);
#endif /* _UST_LTTNG_EVENTS_H */
projects / lttng-ust.git / blobdiff