lkml.org 
[lkml]   [2012]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v5 1/3] tracing,x86: Add a TSC trace_clock
On Mon, Oct 8, 2012 at 7:08 PM, Yoshihiro YUNOMAE
<yoshihiro.yunomae.ez@hitachi.com> wrote:
> Hi David,
>
> This is a nice patch set.
>
> I just have found something should be fixed, which related to
> your work. I'll send it following this mail.
>
> Would you mind adding these patches as your patch series?

Thanks for noticing the stats issue. Added them to my series.

>
> Thanks,
>
> Yoshihiro YUNOMAE
>
> (2012/10/02 12:31), David Sharp wrote:
>> In order to promote interoperability between userspace tracers and ftrace,
>> add a trace_clock that reports raw TSC values which will then be recorded
>> in the ring buffer. Userspace tracers that also record TSCs are then on
>> exactly the same time base as the kernel and events can be unambiguously
>> interlaced.
>>
>
> --
> Yoshihiro YUNOMAE
> Software Platform Research Dept. Linux Technology Center
> Hitachi, Ltd., Yokohama Research Laboratory
> E-mail: yoshihiro.yunomae.ez@hitachi.com
>
>


\
 
 \ /
  Last update: 2012-10-12 02:01    [W:0.049 / U:0.696 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site