X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent.h;h=3f260c0a5d4479534fa86a2f2dac529245e66d9c;hp=06a63ccba9dbb2626df9be08feb39707f0436d8b;hb=87597c2c3bbaa1502ad2025cbf16704829f3b464;hpb=b4e3ceb9d379829bc5d6ec799f83086317aeafd8 diff --git a/include/lttng/event.h b/include/lttng/event.h index 06a63ccba..3f260c0a5 100644 --- a/include/lttng/event.h +++ b/include/lttng/event.h @@ -24,6 +24,7 @@ extern "C" { #endif #include +#include /* * Instrumentation type of tracing event. @@ -36,6 +37,7 @@ enum lttng_event_type { LTTNG_EVENT_FUNCTION_ENTRY = 3, LTTNG_EVENT_NOOP = 4, LTTNG_EVENT_SYSCALL = 5, + LTTNG_EVENT_USERSPACE_PROBE = 6, }; /* @@ -138,6 +140,12 @@ enum lttng_event_context_type { LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER = 13, LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER = 14, LTTNG_EVENT_CONTEXT_APP_CONTEXT = 15, + LTTNG_EVENT_CONTEXT_INTERRUPTIBLE = 16, + LTTNG_EVENT_CONTEXT_PREEMPTIBLE = 17, + LTTNG_EVENT_CONTEXT_NEED_RESCHEDULE = 18, + LTTNG_EVENT_CONTEXT_MIGRATABLE = 19, + LTTNG_EVENT_CONTEXT_CALLSTACK_KERNEL = 20, + LTTNG_EVENT_CONTEXT_CALLSTACK_USER = 21, /* Supported on x86_32 and x86_64 only. */ }; enum lttng_event_field_type { @@ -261,7 +269,7 @@ struct lttng_event { /* Offset 288 */ union { - char padding[8]; + uint64_t padding; void *ptr; } extended; @@ -295,6 +303,64 @@ struct lttng_event_field { extern int lttng_list_events(struct lttng_handle *handle, const char *channel_name, struct lttng_event **events); +extern struct lttng_event *lttng_event_create(void); + +extern struct lttng_event *lttng_event_copy(const struct lttng_event *event); + +extern void lttng_event_destroy(struct lttng_event *event); + +/* + * Get the filter expression of a specific LTTng event. + * + * If the call is successful, then the filter expression's address is put + * in *filter_expression. If the event has no filter expression, + * *filter_expression is set to NULL. The caller does NOT own + * *filter_expression. + * + * Returns 0 on success, or a negative LTTng error code on error. + */ +extern int lttng_event_get_filter_expression(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); + + +/* + * Get the userspace probe location of a specific LTTng event. + * If the call is successful, then a pointer to the probe location is returned. + * If the event has no probe location a NULL pointer is returned. The caller + * does not own the returned probe location. + */ +extern const struct lttng_userspace_probe_location * +lttng_event_get_userspace_probe_location(const struct lttng_event *event); + +/* + * Set an LTTng event's userspace probe location. + * If the call is successful, then the probe location is set to the event. The + * ownership of the probe_location is given to the event. + * + * Returns 0 on success, or a negative LTTng error code on error. + */ +extern int lttng_event_set_userspace_probe_location(struct lttng_event *event, + struct lttng_userspace_probe_location *probe_location); + /* * List the available tracepoints of a specific lttng domain. *