int lttng_syscall_filter_enable_event(struct lttng_kernel_event_common *event);
int lttng_syscall_filter_disable_event(struct lttng_kernel_event_common *event);
int lttng_syscall_filter_enable_event(struct lttng_kernel_event_common *event);
int lttng_syscall_filter_disable_event(struct lttng_kernel_event_common *event);