Date: Sun, 24 Apr 2011 21:06:35 +0400 From: "Marat N.Afanasyev" <amarat@ksu.ru> To: Bartosz Fabianowski <freebsd@chillt.de> Cc: freebsd-stable@freebsd.org, "illoai@gmail.com" <illoai@gmail.com>, Ronald Klop <ronald-freebsd8@klop.yi.org> Subject: Re: System extremely slow under light load Message-ID: <4DB4589B.2020909@ksu.ru> In-Reply-To: <4DB44DA3.5060509@chillt.de> References: <4DA596D3.1090803@chillt.de> <op.vt1efdn68527sy@pinky> <BANLkTik5Jq1QP776xQ0zQvQ5MKYe4LQZUA@mail.gmail.com> <4DB44DA3.5060509@chillt.de>
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Bartosz Fabianowski wrote: >>> Just for an experiment, try to disable powerd and look if things >>> improve. >> >> Or just bump it to "maximum", temporarily. > > I have tried both now. The results are as follows: > > * With powerd disabled and the CPU clocked down, the computer is > responsive when almost nothing is going on but becomes very slow as soon > as there is a light load. This is identical to the behavior I am seeing > with powerd enabled and a reduced maximum frequency. > > * With powerd disabled and the CPU clocked to its full speed, the > computer is running much hotter but responsiveness is not improved. > > It appears that powerd is not at fault. Something else is making this > computer run unbelievably slow. My Atom netbook regularly outperforms > this Core i7 when building ports. This just cannot be right :(. > > - Bartosz > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > did you test the caches? I've seen such a behavior when cpu cache was disabled. and it can be thermal throttle in case of bad contact between cpu and heatsink. try to reapply thermal compound -- SY, Marat
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