lkml.org 
[lkml]   [2008]   [Aug]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 4/5] kmemtrace: SLUB hooks.
From
Date
Christoph Lameter <cl@linux-foundation.org> writes:

> [...]
>> There should be no extra function calls when this is configured on but
>> tracing disabled. We try very hard to keep the speed of the tracer as
>> close to a non tracing kernel as possible when tracing is disabled.
>
> Makes sense. But then we have even more code bloat because of the
> tests that are inserted in all call sites of kmalloc.

Are you talking about the tests that implement checking whether a
marker is active or not? Those checks are already efficient, and will
get more so with the "immediate values" optimization in or near the
tree.

- FChE


\
 
 \ /
  Last update: 2008-08-11 17:41    [from the cache]
©2003-2011 Jasper Spaans