Hi David,

> Is there any such thing as a profiler that can be used within kernel
> modules?

I thought that I had some references to several profiling
tools, but all that I can find are

. gprof (man gprof)
. Tau (just saw this, don't know anything about it;
  http://www.cs.uoregon.edu/research/paracomp/proj/tau/ ;
  it may be more for apps/userspace than kernel drivers)

If you are looking specifically for a tool that works with
loadable kernel modules, I don't know that either of these
help you with that.  You may have to build the driver into
the kernel.

~Randy


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