Date: Fri, 3 Oct 2008 22:39:37 +1300 From: Jonathan Chen <jonc@chen.org.nz> To: Stefan Ehmann <shoesoft@gmx.net> Cc: freebsd-stable@freebsd.org Subject: Re: top/ps CPU percentage broken on 7.1-PRERELEASE? Message-ID: <20081003093937.GA4944@osiris.chen.org.nz> In-Reply-To: <200810031003.14400.shoesoft@gmx.net> References: <200810031003.14400.shoesoft@gmx.net>
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On Fri, Oct 03, 2008 at 10:03:13AM +0200, Stefan Ehmann wrote:
> The CPU % displayed by top/ps for single processes seem to be broken here.
>
> E.g. for a simple shell loop:
> top starts displaying around 20% for bash. Within some seconds it converges to
> 0%.
>
> ps values seem to be consistent with top.
>
> The value in the time column seems to be correct. On every refresh it
> increases by 2s.
>
> last pid: 19353; load averages: 0.99, 0.90, 0.76 up 0+00:37:29
> 09:07:00
> 119 processes: 2 running, 114 sleeping, 1 stopped, 2 zombie
> CPU: 98.5% user, 0.0% nice, 1.1% system, 0.4% interrupt, 0.0% idle
> Mem: 376M Active, 407M Inact, 144M Wired, 47M Cache, 110M Buf, 13M Free
> Swap: 1280M Total, 1280M Free
>
> PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
> 19352 stefan 1 99 0 4432K 2080K RUN 0:03 15.48% bash
>
> All other process are using 0% CPU.
>
> I did a buildworld/kernel yesterday to be sure everything is in sync. I have
> CURRENT on a different hard disk. Haven't seen the problem there.
> Are there any relevant fixes that weren't MFCed?
>
> Does anyone else see this? This is a single CPU i386 machine.
Yes, my Java processes now run at 800% at times on my dual processor
AMD64 system.
--
Jonathan Chen <jonc@chen.org.nz>
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