Date: Sun, 11 May 2003 10:57:25 -0500 From: Kevin Day <toasty@dragondata.com> To: Don Bowman <don@sandvine.com> Cc: freebsd-net@freebsd.org Subject: RE: polling(4) and idle time/cpu usage percentages Message-ID: <5.2.0.9.2.20030511105600.037dfec8@127.0.0.1> In-Reply-To: <FE045D4D9F7AED4CBFF1B3B813C8533701B3660D@mail.sandvine.com >
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At 10:44 AM 5/11/2003, you wrote: >I tried the hack, as below. The other thing that makes idle >wildly inaccurate is the symmetric multi-threading on the xeon >(aka hyperthreading). Smack me if I'm wrong, but you can't compile the kernel with DEVICE_POLLING active at the same time as SMP. Without SMP you don't get any of the advantages/effects of HTT. (or has polling been made to play nice with SMP in -current?) -- Kevin
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