Messages in this thread | | | Date | Sun, 21 Mar 2004 11:32:05 +0100 | From | Stefan Smietanowski <> | Subject | Re: finding out the value of HZ from userspace |
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Hi.
>>>>>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 > $
Yes, yes, yes, I like that one actually.
It does solve the shell script issues and we've never said that things don't need to adapt to changes before so I don't see why not now.
And that one would be good to have regardless of the HZ issue.
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