lkml.org 
[lkml]   [2006]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: RFC - Approaches to user-space probes
From
Date
Prasanna S Panchamukhi <prasanna@in.ibm.com> writes:

> [...]
> If the executable is mmaped shared, then those mappings will get written
> back to the disk.
> Writting to the disk is not the requirement for user-space probes, it is
> just the side effect [...]

It's pretty clear that writing the dirtied pages to disk is an
*undesirable* side-effect, and should be eliminated. (Among many
other scenarios, imagine a kernel shutting down without all the probes
being cleanly removed. Then the executables are irretrievably
corrupted.)

- FChE
-
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: 2006-03-28 22:39    [W:0.085 / U:0.748 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site