Messages in this thread | | | Subject | Re: [PATCH 4/5] kmemtrace: SLUB hooks. | From | (Frank Ch. Eigler) | Date | Mon, 11 Aug 2008 11:34:09 -0400 |
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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
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