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Date:      Fri, 18 Jun 2021 22:32:34 +0700
From:      Eugene Grosbein <eugen@grosbein.net>
To:        John Baldwin <jhb@FreeBSD.org>, Warner Losh <imp@FreeBSD.org>, src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   Re: git: 4c0bc591466f - main - man9: add hz(9) and hardclock(9)
Message-ID:  <7c4c7acc-1fe4-28e4-4e1c-c08912eb0f99@grosbein.net>
In-Reply-To: <10df4ab6-bee0-58f5-7d42-92850d526e01@FreeBSD.org>
References:  <202106181443.15IEhn4t010735@gitrepo.freebsd.org> <10df4ab6-bee0-58f5-7d42-92850d526e01@FreeBSD.org>

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18.06.2021 22:18, John Baldwin wrote:

> OTOH, it's
> also true that there's no real reason for anything outside of the actual timer
> code to use stathz (or even profhz) unlike 'hz' which is still used to set
> timeout tick values.

Not agreed: how do I get reliable per-CPU load stats in userland without sysctl kern.cp_times
that exports incrementing raw "stathz-tick" counters? I need them to draw per-CPU graphs.






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