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    SubjectRe: finding out the value of HZ from userspace
    stesmi@stesmi.com (Stefan Smietanowski)  wrote on 20.03.04 in <405C2AC0.70605@stesmi.com>:

    > >>>there is one. Nothing uses it
    > >>>(sysconf() provides this info)
    > >>
    > >>Seems to me that it would be fairly trivial to modify those programs
    > >>(that should use this mechanism but don't) to use it? So why should
    > >>they be allowed to dictate kernel behaviour?
    > >
    > >
    > > quality of implementation; for example shell scripts that want to do
    > > echo 500 > /proc/sys/foo/bar/something_in_HZ
    > > ...
    > > or /etc/sysctl.conf or ...
    > >
    >
    > Then write a simple program already. How hard is it to write a program
    > that does a sysconf() and returns (as ascii of course) just the
    > value of HZ? Then do some trivial calculation off of that.

    How about a slightly more useful utility, like this:

    $ getconf CLK_TCK
    100
    $ getconf OPEN_MAX
    1024
    $ getconf PATH_MAX /proc/
    4096
    $

    MfG Kai
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