Re: finding out the value of HZ from userspace

From: Peter Williams
Date: Sat Mar 20 2004 - 18:32:05 EST

Arjan van de Ven wrote:
On Wed, Mar 17, 2004 at 10:38:03AM +1100, Peter Williams wrote:

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 ...

A small utility program secs_to_ticks would solve this problem e.g.:

secs_to_ticks 0.5 > /proc/sys/foo/bar/something_in_HZ

Dr Peter Williams, Chief Scientist peterw@xxxxxxxxxx
Aurema Pty Limited Tel:+61 2 9698 2322
PO Box 305, Strawberry Hills NSW 2012, Australia Fax:+61 2 9699 9174
79 Myrtle Street, Chippendale NSW 2008, Australia

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