lkml.org 
[lkml]   [2010]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [GIT PULL] x86/cpu changes for v2.6.34
On 03/01/2010 11:42 AM, Steven Rostedt wrote:
>
> As Frederic has said you can use 'ftrace=function_graph' on the kernel
> command line. It will be initialized in early_initcall (which I believe
> is before CPUs are set up. Then add a tracing_off() after the trouble
> code. You can make the trace buffers bigger with the kernel command
> line:
>
> trace_buf_size=10000000
>
> The above will make the trace buffer 10Meg per CPU. Unlike the
> "buffer_size_kb" file, this number is in bytes, even though it will
> round to the nearest page. (I probably should make this into kb, and
> rename it to trace_buf_size_kb, and deprecate trace_buf_size).
>

Memory sizes specified on the kernel command line should generally be in
units of bytes, but accepting suffixes.

-hpa


\
 
 \ /
  Last update: 2010-03-01 23:29    [W:0.072 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site