X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Fust%2Flttng-ust-abi.h;h=9c2a53dc2b2a69dcf6741b9b67f1bc5f6b853f46;hb=b61ce3b22024d5a0d09af5f221d1265b881d96d6;hp=73eb61f3f4d11cbb48c0dd4ead8a1b7a98f7c548;hpb=381c0f1ef474e0ae8a96b3753470ca4bda45c764;p=lttng-ust.git diff --git a/include/ust/lttng-ust-abi.h b/include/ust/lttng-ust-abi.h index 73eb61f3..9c2a53dc 100644 --- a/include/ust/lttng-ust-abi.h +++ b/include/ust/lttng-ust-abi.h @@ -41,6 +41,10 @@ struct lttng_ust_channel { unsigned int switch_timer_interval; /* usecs */ unsigned int read_timer_interval; /* usecs */ enum lttng_ust_output output; /* output mode */ + /* The following fields are used internally within UST. */ + int shm_fd; + int wait_fd; + uint64_t memory_map_size; }; /* @@ -63,6 +67,9 @@ struct lttng_ust_event { enum lttng_ust_context_type { LTTNG_UST_CONTEXT_VTID = 0, + LTTNG_UST_CONTEXT_VPID = 1, + LTTNG_UST_CONTEXT_PTHREAD_ID = 2, + LTTNG_UST_CONTEXT_PROCNAME = 3, }; struct lttng_ust_context { @@ -71,6 +78,25 @@ struct lttng_ust_context { } u; }; +/* + * Tracer channel attributes. + */ +struct lttng_ust_channel_attr { + int overwrite; /* 1: overwrite, 0: discard */ + uint64_t subbuf_size; /* bytes */ + uint64_t num_subbuf; /* power of 2 */ + unsigned int switch_timer_interval; /* usec */ + unsigned int read_timer_interval; /* usec */ + enum lttng_ust_output output; /* splice, mmap */ +}; + +struct lttng_ust_object_data { + int handle; + int shm_fd; + int wait_fd; + uint64_t memory_map_size; +}; + #define _UST_CMD(minor) (minor) #define _UST_CMDR(minor, type) (minor) #define _UST_CMDW(minor, type) (minor) @@ -104,6 +130,8 @@ struct lttng_ust_context { /* Event and Channel FD commands */ #define LTTNG_UST_CONTEXT \ _UST_CMDW(0x70, struct lttng_ust_context) +#define LTTNG_UST_FLUSH_BUFFER \ + _UST_CMD(0x71) /* Event, Channel and Session commands */ #define LTTNG_UST_ENABLE _UST_CMD(0x80) @@ -111,9 +139,9 @@ struct lttng_ust_context { #define LTTNG_UST_ROOT_HANDLE 0 -struct obj; +struct lttng_ust_obj; -struct objd_ops { +struct lttng_ust_objd_ops { long (*cmd)(int objd, unsigned int cmd, unsigned long arg); int (*release)(int objd); }; @@ -121,10 +149,10 @@ struct objd_ops { /* Create root handle. Always ID 0. */ int lttng_abi_create_root_handle(void); -const struct objd_ops *objd_ops(int id); +const struct lttng_ust_objd_ops *objd_ops(int id); int objd_unref(int id); void lttng_ust_abi_exit(void); -void ltt_events_exit(void); +void lttng_ust_events_exit(void); #endif /* _LTTNG_UST_ABI_H */