Date: Thu, 2 Oct 2014 16:00:17 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: Adrian Chadd <adrian@freebsd.org>, Paul Albrecht <palbrecht@glccom.com>, Ian Lepore <ian@freebsd.org> Subject: Re: freebsd 10 kqueue timer regression Message-ID: <201410021600.17740.jhb@freebsd.org> In-Reply-To: <1412279608.12052.24.camel@revolution.hippie.lan> References: <8ABC0977-FB8F-45E7-ACCC-BFA92EE22E1C@glccom.com> <CAJ-VmokPNgckHiR0znp6p4u2NRO0aOR_eaOVaBWe7cWDp2_o5g@mail.gmail.com> <1412279608.12052.24.camel@revolution.hippie.lan>
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On Thursday, October 02, 2014 3:53:28 pm Ian Lepore wrote: > On Thu, 2014-10-02 at 12:47 -0700, Adrian Chadd wrote: > > I'm confused; it's doing 50 loops of a 20msec timer, right? So that's 1000ms. > > Yes, so the entire loop should take 1000ms maybe + 1ms. Instead it > takes 1070. When I run it on an armv6 system running -current it takes > 1050. When I run it on my 8.4 desktop (pre-eventtimers) it takes 1013. > > -- Ian What if you set kern.eventtimer.periodic=1? -- John Baldwin
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