Re: finding out the value of HZ from userspace

From: Andi Kleen
Date: Mon Mar 15 2004 - 22:04:27 EST

Peter Williams <peterw@xxxxxxxxxx> writes:

> This horrible hack of converting all tick values to 100 (from 1000)
> for export to user space because a large number of user space programs
> assume that HZ is 100 would NOT be necessary if there was a mechanism
> whereby user space programs could find out how many ticks there are in
> a second instead of having to make assumptions.

Already exists for a long time - AT_CLKTCK. glibc has a nice wrapper
for it too (sysconf)


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