Re: [RFC][PATCH] new timeofday core subsystem (v.A0)

[Jesse Barnes]

On Wednesday, September 8, 2004 9:31 pm, George Anzinger wrote:
> a.) resolution.  If you don't put a limit on this you will invite timer
> storms. Currently, by useing 1/HZ resolution, all timer "line up" on ticks
> and reduce the interrupt overhead that would occure if we actually tried to
> give "exactly" what was asked for.  This is a matter of math and can be
> handled (assuming we resist the urge to go shopping :))

This can be bad though if lots of CPUs hit it at the same time or nearly so if 
they're all trying to write the same cacheline or two.

Jesse
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/