[ ERROR_INDEX(LTTNG_ERR_UST_EVENT_NOT_FOUND)] = "UST event not found",
[ ERROR_INDEX(LTTNG_ERR_UST_CONTEXT_EXIST)] = "UST context already exist",
[ ERROR_INDEX(LTTNG_ERR_UST_CONTEXT_INVAL)] = "UST invalid context",
- [ ERROR_INDEX(LTTNG_ERR_NEED_ROOT_SESSIOND) ] = "Tracing the kernel requires a root lttng-sessiond daemon or \"tracing\" group user membership",
+ [ ERROR_INDEX(LTTNG_ERR_NEED_ROOT_SESSIOND) ] = "Tracing the kernel requires a root lttng-sessiond daemon, as well as \"tracing\" group membership or root user ID for the lttng client.",
+ [ ERROR_INDEX(LTTNG_ERR_NO_UST) ] = "LTTng-UST tracer is not supported. Please rebuild lttng-tools with lttng-ust support enabled.",
[ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STARTED) ] = "Tracing already started",
[ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STOPPED) ] = "Tracing already stopped",
[ ERROR_INDEX(LTTNG_ERR_KERN_EVENT_ENOSYS) ] = "Kernel event type not supported",
[ ERROR_INDEX(LTTNG_ERR_URL_EXIST) ] = "URL already exists",
[ ERROR_INDEX(LTTNG_ERR_BUFFER_NOT_SUPPORTED)] = "Buffer type not supported",
[ ERROR_INDEX(LTTNG_ERR_BUFFER_TYPE_MISMATCH)] = "Buffer type mismatch for session",
+ [ ERROR_INDEX(LTTNG_ERR_NOMEM)] = "Not enough memory",
/* Last element */
[ ERROR_INDEX(LTTNG_ERR_NR) ] = "Unknown error code"