X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Flttng%2Fust-abi.h;h=d7df774486735713d81d7beb8beac02ae1209fa5;hb=c2dfb435bd6224b82e93fb3135bbce46b6b66c85;hp=2651fc99747c698da04b79b784fa8c150ca2b7e9;hpb=400033107ea279bb8a1530ddec13e1453dc4c4a3;p=lttng-ust.git diff --git a/include/lttng/ust-abi.h b/include/lttng/ust-abi.h index 2651fc99..d7df7744 100644 --- a/include/lttng/ust-abi.h +++ b/include/lttng/ust-abi.h @@ -17,14 +17,29 @@ * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ #include +#include #define LTTNG_UST_SYM_NAME_LEN 256 +/* Version for comm protocol between sessiond and ust */ #define LTTNG_UST_COMM_VERSION_MAJOR 2 -#define LTTNG_UST_COMM_VERSION_MINOR 0 +#define LTTNG_UST_COMM_VERSION_MINOR 1 + +/* Version for ABI between liblttng-ust, sessiond, consumerd */ +#define LTTNG_UST_INTERNAL_MAJOR_VERSION 3 +#define LTTNG_UST_INTERNAL_MINOR_VERSION 0 +#define LTTNG_UST_INTERNAL_PATCHLEVEL_VERSION 0 enum lttng_ust_instrumentation { LTTNG_UST_TRACEPOINT = 0, @@ -46,18 +61,18 @@ struct lttng_ust_tracer_version { uint32_t major; uint32_t minor; uint32_t patchlevel; -}; +} LTTNG_PACKED; #define LTTNG_UST_CHANNEL_PADDING LTTNG_UST_SYM_NAME_LEN + 32 struct lttng_ust_channel { - int overwrite; /* 1: overwrite, 0: discard */ uint64_t subbuf_size; /* in bytes */ uint64_t num_subbuf; + int overwrite; /* 1: overwrite, 0: discard */ unsigned int switch_timer_interval; /* usecs */ unsigned int read_timer_interval; /* usecs */ enum lttng_ust_output output; /* output mode */ char padding[LTTNG_UST_CHANNEL_PADDING]; -}; +} LTTNG_PACKED; #define LTTNG_UST_STREAM_PADDING1 16 #define LTTNG_UST_STREAM_PADDING2 LTTNG_UST_SYM_NAME_LEN + 32 @@ -67,7 +82,7 @@ struct lttng_ust_stream { union { char padding[LTTNG_UST_STREAM_PADDING2]; } u; -}; +} LTTNG_PACKED; #define LTTNG_UST_EVENT_PADDING1 16 #define LTTNG_UST_EVENT_PADDING2 LTTNG_UST_SYM_NAME_LEN + 32 @@ -83,7 +98,7 @@ struct lttng_ust_event { union { char padding[LTTNG_UST_EVENT_PADDING2]; } u; -}; +} LTTNG_PACKED; enum lttng_ust_field_type { LTTNG_UST_FIELD_OTHER = 0, @@ -93,14 +108,15 @@ enum lttng_ust_field_type { LTTNG_UST_FIELD_STRING = 4, }; -#define LTTNG_UST_FIELD_ITER_PADDING LTTNG_UST_SYM_NAME_LEN + 32 +#define LTTNG_UST_FIELD_ITER_PADDING LTTNG_UST_SYM_NAME_LEN + 28 struct lttng_ust_field_iter { char event_name[LTTNG_UST_SYM_NAME_LEN]; char field_name[LTTNG_UST_SYM_NAME_LEN]; enum lttng_ust_field_type type; int loglevel; /* event loglevel */ + int nowrite; char padding[LTTNG_UST_FIELD_ITER_PADDING]; -}; +} LTTNG_PACKED; enum lttng_ust_context_type { LTTNG_UST_CONTEXT_VTID = 0, @@ -118,37 +134,37 @@ struct lttng_ust_context { union { char padding[LTTNG_UST_CONTEXT_PADDING2]; } u; -}; +} LTTNG_PACKED; /* * Tracer channel attributes. */ #define LTTNG_UST_CHANNEL_ATTR_PADDING LTTNG_UST_SYM_NAME_LEN + 32 struct lttng_ust_channel_attr { - int overwrite; /* 1: overwrite, 0: discard */ 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 */ char padding[LTTNG_UST_CHANNEL_ATTR_PADDING]; -}; +} LTTNG_PACKED; #define LTTNG_UST_TRACEPOINT_ITER_PADDING 16 struct lttng_ust_tracepoint_iter { char name[LTTNG_UST_SYM_NAME_LEN]; /* provider:name */ int loglevel; char padding[LTTNG_UST_TRACEPOINT_ITER_PADDING]; -}; +} LTTNG_PACKED; #define LTTNG_UST_OBJECT_DATA_PADDING LTTNG_UST_SYM_NAME_LEN + 32 struct lttng_ust_object_data { + uint64_t memory_map_size; int handle; int shm_fd; int wait_fd; - uint64_t memory_map_size; char padding[LTTNG_UST_OBJECT_DATA_PADDING]; -}; +} LTTNG_PACKED; enum lttng_ust_calibrate_type { LTTNG_UST_CALIBRATE_TRACEPOINT, @@ -163,7 +179,17 @@ struct lttng_ust_calibrate { union { char padding[LTTNG_UST_CALIBRATE_PADDING2]; } u; -}; +} LTTNG_PACKED; + +#define FILTER_BYTECODE_MAX_LEN 65536 +#define LTTNG_UST_FILTER_PADDING 32 +struct lttng_ust_filter_bytecode { + uint32_t len; + uint32_t reloc_offset; + uint64_t seqnum; + char padding[LTTNG_UST_FILTER_PADDING]; + char data[0]; +} LTTNG_PACKED; #define _UST_CMD(minor) (minor) #define _UST_CMDR(minor, type) (minor) @@ -210,6 +236,9 @@ struct lttng_ust_calibrate { #define LTTNG_UST_TRACEPOINT_LIST_GET _UST_CMD(0x90) #define LTTNG_UST_TRACEPOINT_FIELD_LIST_GET _UST_CMD(0x91) +/* Event FD commands */ +#define LTTNG_UST_FILTER _UST_CMD(0xA0) + #define LTTNG_UST_ROOT_HANDLE 0 struct lttng_ust_obj; @@ -232,7 +261,7 @@ union ust_args { struct lttng_ust_objd_ops { long (*cmd)(int objd, unsigned int cmd, unsigned long arg, - union ust_args *args); + union ust_args *args, void *owner); int (*release)(int objd); }; @@ -240,9 +269,10 @@ struct lttng_ust_objd_ops { int lttng_abi_create_root_handle(void); const struct lttng_ust_objd_ops *objd_ops(int id); -int lttng_ust_objd_unref(int id); +int lttng_ust_objd_unref(int id, int is_owner); void lttng_ust_abi_exit(void); void lttng_ust_events_exit(void); +void lttng_ust_objd_table_owner_cleanup(void *owner); #endif /* _LTTNG_UST_ABI_H */