On Sat, 26 Jun 1999, Poul-Henning Kamp wrote:

> In message <[EMAIL PROTECTED]>, Do
> ug Rabson writes:
> 
> >> You can enable kernel profiling by configure kernel with `-p' or '-pp'
> >> option. See config(8) and kgmon(8) for detail.
> >> 
> >> I have a patch for FreeBSD/alpha to support kernel profiling.
> >
> >Another excellent alternative for kernel profiling is iprobe.
> 
> Not to mention compiling with "-g -a" and using kernbb to get Basic
> Block profiling.

I have not tried that. Iprobe is a nice low-overhead flat profiler which
can correlate time spent in both the kernel and user-mode processes. If
you don't need call-graph information and are using an alpha, it is
an excellent tool.

--
Doug Rabson                             Mail:  [EMAIL PROTECTED]
Nonlinear Systems Ltd.                  Phone: +44 181 442 9037




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