Date: Tue, 21 Jun 2005 15:39:25 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@freebsd.org Cc: Emanuel Strobl <Emanuel.strobl@gmx.net> Subject: Re: lapic@2k interrukts eating CPU cycles Message-ID: <200506211539.26772.jhb@FreeBSD.org> In-Reply-To: <200506091423.39940@harrymail> References: <200506091423.39940@harrymail>
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On Thursday 09 June 2005 08:23 am, Emanuel Strobl wrote: > Hello, > > I recognized that doing a "make clean" in a simple ports takes minutes to > finish, so I saw that "systat -vm" shows me about 80% system usage during > that. But even if it's finished lapic keeps generating 2000 interrupts/sec > and consuming 25% CPU usage when the machine is doning nothing. > Any hints what I could do? I have never seen lapic before, I just did a > fresh 6-snapshot (june) install and upgraded to yesterdays -current. > Please find attached my kernel conf, although this time I use ULE the > sluggish "make clean" behaviour was also with 4.2BSD (but I haven't looked > after the CPU usage) > > Thanks, > > -Harry I haven't seen the clock interrupts eat up 25% CPU on my systems. Can you capture the output of 'top -S' when your system is idle? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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