Re: [PATCH] ia64: change usermode HZ to 250

From: John Hawkes <hawkes_at_sgi.com>
Date: 2006-06-29 01:43:46
From: "Arjan van de Ven" <arjan@infradead.org>
...
> ok why not define the userspace HZ to
>
> #define HZ sysconf(_SC_CLK_TCK)

That did occur to me.  It obviously does get the correct value.  The downside
is that one of those crufty apps that thinks it is using "HZ" as a constant
will instead be invoking a more costly syscall.  Should we care about the
resulting performance impact?

I vote for Arjan's solution.

John Hawkes

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Received on Thu Jun 29 01:46:46 2006

This archive was generated by hypermail 2.1.8 : 2006-06-29 01:46:57 EST