Re: [PATCH 04/15] xen/trace: add multicall tracing

Jeremy Fitzhardinge
2011-06-21T17:11:40Z

On 06/21/2011 06:52 AM, Konrad Rzeszutek Wilk wrote:
>> +TRACE_EVENT(xen_mc_entry,
>> + TP_PROTO(struct multicall_entry *mc, unsigned nargs),
>> + TP_ARGS(mc, nargs),
>> + TP_STRUCT__entry(
>> + __field(unsigned short, op)
>> + __field(unsigned short, nargs)
>> + __array(unsigned long, args, 6)
> Not 'unsigned long' for op?

I wanted to save space in the trace buffer. I think hypercall numbers
are all small?

J