#endif
#include <lttng/handle.h>
+#include <lttng/userspace-probe.h>
/*
* Instrumentation type of tracing event.
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 {
*
* 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;
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 struct lttng_userspace_probe_location *
+lttng_event_get_userspace_probe_location(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.
*