BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class));
SET_TMP_PREFIX("trace-class-");
format_trace_class(buf_ch, false, tmp_prefix, trace_class);
BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class));
SET_TMP_PREFIX("trace-class-");
format_trace_class(buf_ch, false, tmp_prefix, trace_class);