linux-kernel - Re: [PATCH 09/15] xen/trace: add tlb flush tracepoints

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Date:	Thu, 23 Jun 2011 12:52:11 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Xen Devel <Xen-devel@...ts.xensource.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Subject: Re: [PATCH 09/15] xen/trace: add tlb flush tracepoints

On 06/21/2011 07:07 AM, Konrad Rzeszutek Wilk wrote:
>> +TRACE_EVENT(xen_mmu_flush_tlb,
>> +	    TP_PROTO(int x),
>> +	    TP_ARGS(x),
>> +	    TP_STRUCT__entry(__array(char, x, 0)),
>> +	    TP_fast_assign((void)x),
>> +	    TP_printk("%s", "")
> Um, why not just "" without the %s?

Uh, vararg macro bogusness; need to supply 2 args.

    J
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