LTTCOMM_KERN_NO_SESSION, /* No kernel session found */
LTTCOMM_KERN_LIST_FAIL, /* Kernel listing events failed */
LTTCOMM_UST_SESS_FAIL, /* UST create session failed */
+ LTTCOMM_UST_CHAN_EXIST, /* UST channel already exist */
LTTCOMM_UST_CHAN_FAIL, /* UST create channel failed */
LTTCOMM_UST_CHAN_NOT_FOUND, /* UST channel not found */
LTTCOMM_UST_CHAN_DISABLE_FAIL, /* UST disable channel failed */