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DateSat, 11 Jan 1997 13:17:59 +0100
FromUwe Bonnes <>
SubjectRe: More cluuse, was: Re: Wierd IDE/Triton behavior
>>>>> "tenthumbs" == tenthumbs  <tenthumbs@cybernex.net> writes:


    tenthumbs> ...
    tenthumbs> Luckily, I found out that you can profile a kernel even it if
    tenthumbs> wasn't originally compiled with profiling support.  (A
    tenthumbs> definite feature.)  One very obvious difference between a
    tenthumbs> slow run and a fast one is that shrink_specific_buffers is
    tenthumbs> called 6970 times in a slow run but *never* in a fast one.

    tenthumbs> I know nothing about Linux memory management, but it appears
    tenthumbs> that there are certain initial conditions that can cause big
    tenthumbs> performance hits.

Hallo,

could you please write a README how you did profiling on a kernel not
compiled for profiling? I think, this can be usefull for others to, and
could perhaps be added to the Linux-documentation directory.

Bye

Uwe Bonnes                bon@elektron.ikp.physik.th-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
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