[lkml]   [2006]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] Linux Kernel Markers
* Vara Prasad ( wrote:
> It is an interesting idea but there appears to be following hard issues
> (some of which you have already listed) i am not able to see how we can
> overcome them
> 1) We are going to have a duplicate of the whole function which means
> any significant changes in the original function needs to be done on the
> copy as well, you think maintainers would like this double work idea.
Not with my marker proposal. There is only need to compile it with different

> 2) Inline functions is often the place where we need a fast path to
> overcome the current kprobes overhead.
> 3) As you said it is not trivial across all the platforms to do a switch
> to the instrumented function from the original during the execution.
> This problem is similar to the issue we are dealing with djprobes.

I would really like to know how good djprobes is at instrumenting the
prologue of a function.


OpenPGP public key:
Key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-09-19 19:47    [W:0.074 / U:4.516 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site