Messages in this thread | | | Date | Wed, 6 Aug 2008 14:49:49 -0700 | From | "Ray Lee" <> | Subject | Re: HZ from userspace |
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On Wed, Aug 6, 2008 at 1:48 PM, Piotr Jaroszyński <p.jaroszynski@gmail.com> wrote: > Hello, > > I want to be able to convert starttime from /proc/#/stat to absolute > time and it seems that I need HZ to do that as it is measured in > jiffies. How can I get HZ? I have seen some discussion about this but > haven't found a definite answer. procps is using some hacks do it and > I would prefer to avoid them. > I only need a solution for modern kernels, say 2.6.20+ if that matters.
`man sysconf`, in particular you want sysconf(_SC_CLK_TCK).
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