Re: decaying average for %CPU

[Nick Piggin]

Albert Cahalan wrote:

> The UNIX standard requires that Linux provide
> some measure of a process's "recent" CPU usage.
> Right now, it isn't provided. You might run a
> CPU hog for a year, stop it ("kill -STOP 42")
> for a few hours, and see that "ps" is still
> reporting 99.9% CPU usage. This is because the
> kernel does not provide a decaying average.

I think the kernel provides enough info for userspace to do
the job, doesn't it?


-
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/