Re: [Dle-develop] [Resend][PATCH V3] trace, x86: add x86 irq vector tracepoints

[Seiji A. <sei...@hd...>]

Hi,

I will submit some performance testing result.

Thanks!

Seiji

> -----Original Message-----
> From: H. Peter Anvin [mailto:hp...@zy...]
> Sent: Wednesday, September 12, 2012 12:18 AM
> To: Seiji Aguchi
> Cc: Thomas Gleixner (tg...@li...); lin...@vg...; ro...@go...; 'mi...@el...' (mi...@el...);
> x8...@ke...; dle...@li...; Satoru Moriya
> Subject: Re: [Resend][PATCH V3] trace,x86: add x86 irq vector tracepoints
> 
> On 09/11/2012 05:00 PM, Seiji Aguchi wrote:
> > Thomas,
> >
> > Please review my patch as we talked in Plumbers.
> >
> 
> Is there any measurable latency added here?  These are some of the most
> performance- (or at least latency-)critical paths in the kernel.
> 
> 	-hpa
> 
> --
> H. Peter Anvin, Intel Open Source Technology Center I work for Intel.  I don't speak on their behalf.