lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \
__event_align, -1, __chan->handle, &__lttng_ctx); \
__ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \
lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \
__event_align, -1, __chan->handle, &__lttng_ctx); \
__ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \