lkml.org 
[lkml]   [2010]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: How to write marker info in MMIO trace from kernel
From
Date
On Tue, 2010-05-04 at 13:36 -0500, Larry Finger wrote:
> Stephen,
>
> I hope you are the correct person for this question.
>
> I would like to write information into the MMIO trace file similar to
> what the user space write to /sys/.../trace_marker would accomplish,
> however, I want to do it in place of printk statements in the driver I'm
> tracing. Do you have any suggestions on how to do this? I have tools to
> merge the trace dump with dmesg output, but the latter lags behind and I
> do not get good correlation.

You can use "trace_printk()". I think that is what you are looking for.

-- Steve




\
 
 \ /
  Last update: 2010-05-04 20:45    [W:0.849 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site