lkml.org 
[lkml]   [2014]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [HELP] How to use ftrace to learn how a function is ivoked?
On 2014/4/3 14:36, Du, ChangbinX wrote:
> Hi, All,
> I have a question for ftrace usage. It is that if I have a function A, then I want to
> know how function A is ivoked?
> I know ftrace can show me what sub-functions that A called by below steps:
> # echo function_graph > current_tracer
>   # echo function_A > set_graph_function
> # cat trace
> Then a call stack will show what functions A has called. But sometimes I want to
> know how A is called. Is there a method to do this? Please help me!

dump_stack(), kprobe, AFAIK.

Thanks,
-Aubrey
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2014-04-03 14:02    [W:0.178 / U:0.888 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site