Date: Thu, 15 Jan 2015 18:58:10 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Hans Petter Selasky <hps@selasky.org> Cc: Adrian Chadd <adrian@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, Jason Wolfe <nitroboost@gmail.com>, "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org> Subject: Re: [RFC] kern/kern_timeout.c rewrite in progress Message-ID: <20150115155810.GE3698@zxy.spb.ru> In-Reply-To: <54B7E1E4.6040906@selasky.org> References: <54A92ED1.2070906@selasky.org> <CAJ-Vmo=tc-hqykhyc5bQW8qd_34PZU6yfGY8wziByA0xnR3ANQ@mail.gmail.com> <54A9A71E.70609@selasky.org> <CAAAm0r39Sv3TCvwaCiNQ1Y9iBVtY_nb0A_iNOC41bgxqXmt%2B4w@mail.gmail.com> <54B29A49.3080600@selasky.org> <CAAAm0r2eNYicq%2BKKj5f5EE%2BKLPxdvy15wj1ZWS=zA6sgOtcoGQ@mail.gmail.com> <54B67DA7.3070106@selasky.org> <54B7DECF.8070209@selasky.org> <20150115154617.GB10325@zxy.spb.ru> <54B7E1E4.6040906@selasky.org>
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On Thu, Jan 15, 2015 at 04:51:00PM +0100, Hans Petter Selasky wrote: > On 01/15/15 16:46, Slawa Olhovchenkov wrote: > > On Thu, Jan 15, 2015 at 04:37:51PM +0100, Hans Petter Selasky wrote: > > > > Only stability impovement? > > Or performance too? > > Hi, > > Stability improvement mostly. Should not affect performance from what I > know. Some changes are made about when and how we can select a different > callback CPU for a callout callback. Try reading the updated timeout(9) I am not kernel guru and can't be draw a conclusion from manual page. > man manual page first. Maybe it answers your question. Else feel free to > ask here. As I understand performance for massive TCP connections (tens of thousands connections) will be same, no improvement, no degraded? (very high lock congestion on TCP timers working).home | help
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