X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent.h;h=f1d8e6581252d3c03165e469ada60c1b47b21125;hp=40673a4d8f56bc525d0417fe9472093f43349344;hb=834978fd9e2392f20867351ca99bf7bdf31b4f56;hpb=5cdb6027a2b78fd93aa7f61174625190b5fc3459 diff --git a/include/lttng/event.h b/include/lttng/event.h index 40673a4d8..f1d8e6581 100644 --- a/include/lttng/event.h +++ b/include/lttng/event.h @@ -133,6 +133,11 @@ enum lttng_event_field_type { LTTNG_EVENT_FIELD_STRING = 4, }; +enum lttng_event_flag { + LTTNG_EVENT_FLAG_SYSCALL_32 = (1U << 0), + LTTNG_EVENT_FLAG_SYSCALL_64 = (1U << 1), +}; + /* * Perf counter attributes * @@ -198,7 +203,7 @@ struct lttng_event_function_attr { * * The structures should be initialized to zero before use. */ -#define LTTNG_EVENT_PADDING1 14 +#define LTTNG_EVENT_PADDING1 10 #define LTTNG_EVENT_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32 struct lttng_event { enum lttng_event_type type; @@ -212,6 +217,9 @@ struct lttng_event { unsigned char filter; /* filter enabled ? */ unsigned char exclusion; /* exclusions added ? */ + /* Event flag, from 2.6 and above. */ + enum lttng_event_flag flags; + char padding[LTTNG_EVENT_PADDING1]; /* Per event type configuration */ @@ -266,6 +274,15 @@ extern int lttng_list_tracepoints(struct lttng_handle *handle, extern int lttng_list_tracepoint_fields(struct lttng_handle *handle, struct lttng_event_field **fields); +/* + * List the available kernel syscall. + * + * Return the size (number of entries) of the allocated "lttng_event" array. + * All events in will be of type syscall. Caller must free events. On error a + * negative LTTng error code is returned. + */ +extern int lttng_list_syscalls(struct lttng_event **events); + /* * Add context to event(s) for a specific channel (or for all). * @@ -343,6 +360,23 @@ extern int lttng_enable_event_with_exclusions(struct lttng_handle *handle, extern int lttng_disable_event(struct lttng_handle *handle, const char *name, const char *channel_name); +/* + * Disable event(s) of a channel and domain. + * + * Takes a struct lttng_event as parameter. + * If channel_name is NULL, the default channel is used (channel0). + * + * Currently, @filter_expression must be NULL. (disabling specific + * filter expressions not implemented) + * Currently, only LTTNG_EVENT_ALL and LTTNG_EVENT_SYSCALL event types + * are implemented for field @ev. + * + * Return 0 on success else a negative LTTng error code. + */ +int lttng_disable_event_ext(struct lttng_handle *handle, + struct lttng_event *ev, const char *channel_name, + const char *filter_expression); + #ifdef __cplusplus } #endif