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To: Slawa Olhovchenkov <slw@zxy.spb.ru>
cc: current@freebsd.org
Subject: Re: console getty uses 1.5% of CPU
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From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
References: <69119.1617772960@critter.freebsd.dk>
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Date: Wed, 07 Apr 2021 14:33:57 +0000
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--------
Slawa Olhovchenkov writes:

> T.e. if all system eat 985 ticks of CPU each second and getty eat 15
> ticks of CPU each second -- top show 1.5% for getty.

That may be, but getty should not wake up at all in this situation,
it should be sleeping, waiting for modem-control signals.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.