X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent.h;h=a97f8ffaaf915f2077aadb4a0724019699a98c0c;hp=e5b2b4bb00702deddfab167613b00ff8b356e197;hb=4829ae55233bf50132357078912ce369e660ba18;hpb=2001793c1141e89b34e70efb28b27ec0cc8e6d47 diff --git a/include/lttng/event.h b/include/lttng/event.h index e5b2b4bb0..a97f8ffaa 100644 --- a/include/lttng/event.h +++ b/include/lttng/event.h @@ -222,25 +222,50 @@ struct lttng_event_function_attr { * * The structures should be initialized to zero before use. */ -#define LTTNG_EVENT_PADDING1 10 +#define LTTNG_EVENT_PADDING1 12 #define LTTNG_EVENT_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32 struct lttng_event { + /* Offset 0 */ enum lttng_event_type type; + + /* Offset 4 */ char name[LTTNG_SYMBOL_NAME_LEN]; + /* Offset 260 */ enum lttng_loglevel_type loglevel_type; + + /* Offset 264 */ int loglevel; + /* Offset 268 */ int32_t enabled; /* Does not apply: -1 */ + + /* Offset 272 */ pid_t pid; + + /* Offset 276 */ unsigned char filter; /* filter enabled ? */ + + /* Offset 277 */ unsigned char exclusion; /* exclusions added ? */ + /* Offset 278 */ + char padding2[2]; + + /* Offset 280 */ /* Event flag, from 2.6 and above. */ enum lttng_event_flag flags; - char padding[LTTNG_EVENT_PADDING1]; + /* Offset 284 */ + char padding[4]; + /* Offset 288 */ + union { + uint64_t padding; + void *ptr; + } extended; + + /* Offset 296 */ /* Per event type configuration */ union { struct lttng_event_probe_attr probe; @@ -270,6 +295,37 @@ struct lttng_event_field { extern int lttng_list_events(struct lttng_handle *handle, const char *channel_name, struct lttng_event **events); +/* + * Get the filter string of a specific LTTng event. + * + * If the call is successful, then the filter string's address is put + * in *filter_string. If the event has no filter string, *filter_string + * is set to NULL. The caller does NOT own *filter_string. + * + * Returns 0 on success, or a negative LTTng error code on error. + */ +extern int lttng_event_get_filter_string(struct lttng_event *event, + const char **filter_string); + +/* + * Get the number of exclusion names of a specific LTTng event. + * + * Returns the number of exclusion names on success, or a negative + * LTTng error code on error. + */ +extern int lttng_event_get_exclusion_name_count(struct lttng_event *event); + +/* + * Get an LTTng event's exclusion name at a given index. + * + * If the call is successful, then the exclusion name string's address + * is put in *exclusion_name. The caller does NOT own *exclusion_name. + * + * Returns 0 on success, or a negative LTTng error code on error. + */ +extern int lttng_event_get_exclusion_name(struct lttng_event *event, + size_t index, const char **exclusion_name); + /* * List the available tracepoints of a specific lttng domain. *