struct ltt_kernel_event *get_kernel_event_by_name(
char *name, struct ltt_kernel_channel *channel);
struct ltt_kernel_channel *get_kernel_channel_by_name(
struct ltt_kernel_event *get_kernel_event_by_name(
char *name, struct ltt_kernel_channel *channel);
struct ltt_kernel_channel *get_kernel_channel_by_name(