Date: Mon, 10 Dec 2007 20:56:33 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Martin Cracauer <cracauer@cons.org> Cc: Thomas Sparrevohn <Thomas.Sparrevohn@btinternet.com>, freebsd-current@freebsd.org Subject: Re: CURRENT Kernel makes the system run very very hot Message-ID: <28655.1197320193@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 10 Dec 2007 15:11:06 EST." <20071210201106.GB90158@cons.org>
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In message <20071210201106.GB90158@cons.org>, Martin Cracauer writes:
I installed this on my laptop yesterday:
FreeBSD critter.freebsd.dk 8.0-CURRENT FreeBSD 8.0-CURRENT
#0: Sun Dec 9 10:41:25 UTC 2007
root@critter.freebsd.dk:/usr/obj/freebsd/src/sys/C5 i386
And it does indeed look like the idle threads do not HLT the cpu.
Interestingly, powerd(8) does the right thing and throttles down
the cpu clock even though the idle threads churn away.
top -HS shows:
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
10 root 171 ki31 0K 16K CPU1 1 25.2H 100.00% {idle: cpu1}
10 root 171 ki31 0K 16K RUN 0 25.2H 95.36% {idle: cpu0}
928 phk 45 0 319M 68624K *Giant 0 42:46 0.98% Xorg
28654 phk 44 0 3540K 1552K CPU1 0 0:01 0.98% top
982 phk 44 0 6500K 3940K select 1 11:03 0.29% xterm
11 root -24 - 0K 112K WAIT 1 19:49 0.00% {swi6: task queu
--
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.
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