Date: Thu, 11 Nov 2010 22:28:20 -0600 From: Brandon Gooch <jamesbrandongooch@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: New event timers for 8-STABLE [SEC=UNCLASSIFIED] Message-ID: <AANLkTi=JUx0cQxTkCGs0xVj8=WXXj_HUPK5fuTSm1ZeR@mail.gmail.com> In-Reply-To: <20101112033008.GA47411@stlux503.dsto.defence.gov.au> References: <4CDC8CFC.8040402@FreeBSD.org> <20101112033008.GA47411@stlux503.dsto.defence.gov.au>
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On Thu, Nov 11, 2010 at 9:30 PM, Wilkinson, Alex <alex.wilkinson@dsto.defence.gov.au> wrote: > > =A0 =A00n Fri, Nov 12, 2010 at 02:40:28AM +0200, Alexander Motin wrote: > > =A0 =A0>I've created a patch, merging all kernel event timers related stu= ff from > =A0 =A0>HEAD to 8-STABLE. The only thing I have skipped at this moment wa= s mips > =A0 =A0>architecture, because of too big code difference there between HE= AD and > =A0 =A0>8-STABLE. Patch appeared to be quite large and includes more then= 60 SVN > =A0 =A0>revisions from HEAD. I hope I haven't missed anything important. = I would > =A0 =A0>like to ask interested people to test it. Patched code successful= ly > =A0 =A0>builds on all platforms and successfully runs on my amd64 test ma= chine. > =A0 =A0> > =A0 =A0>In HEAD code seems to be working enough stable, There only two kn= own > =A0 =A0>open issues at the moment: > =A0 =A0> - kernel freeze on XEN HVM when using LAPIC timer in one-shot mo= de -- > =A0 =A0>can be workarounded by switching to periodic mode or other timer. > =A0 =A0> - if HPET interrupt shared with other device, system load averag= e may > =A0 =A0>lie (report +1 value) -- not a timer problem and not fatal. > =A0 =A0>Please report me if you find anything else. > =A0 =A0> > =A0 =A0>Latest patch can be found here: > =A0 =A0>http://people.freebsd.org/~mav/timers_merge/timers_merge-20101111= .patch > =A0 =A0> > =A0 =A0>Merge instructions (list of revisions, if somebody want to redo i= t): > =A0 =A0>http://people.freebsd.org/~mav/timers_merge/guide-20101111 > =A0 =A0> > =A0 =A0>After patching you need just rebuild/reinstall the kernel. I have= n't > =A0 =A0>merged related manual pages yet, so, if needed, consult with man = pages > =A0 =A0>from HEAD: eventtimers(7), attimer(4), atrtc(4), hpet(4). > > patches apply cleanly but buildkernel fails: > > make -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | =A0MKDEP_CPP=3D"cc -E" CC= =3D"cc" xargs mkdep -a -f .newdep -O2 -pipe -fno-strict-aliasing -march=3Dn= ocona -std=3Dc99 -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-proto= types =A0-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual =A0-Wund= ef -Wno-pointer-sign -fformat-extensions -nostdinc =A0-I. -I/usr/src/sys -I= /usr/src/sys/contrib/altq -I/usr/src/sys/contrib/ipfilter -I/usr/src/sys/co= ntrib/pf -I/usr/src/sys/dev/ath -I/usr/src/sys/dev/ath/ath_hal -I/usr/src/s= ys/contrib/ngatm -I/usr/src/sys/dev/twa -I/usr/src/sys/gnu/fs/xfs/FreeBSD -= I/usr/src/sys/gnu/fs/xfs/FreeBSD/support -I/usr/src/sys/gnu/fs/xfs -I/usr/s= rc/sys/contrib/opensolaris/compat -I/usr/src/sys/dev/cxgb -D_KERNEL -DHAVE_= KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -finline-limit=3D80= 00 --param inline-unit-growth=3D100 --param large-function-growth=3D1000 = =A0-fno-omit-frame-pointer -mcmodel=3Dkernel -mno-red-zone =A0-mfpmath=3D38= 7 -mno-sse -mno-sse2 -mno-sse3 -mno-mmx -mno-3dnow =A0-msoft-float -fno-asy= nchronous-unwind-tables -ffreestanding -fstack-protector > cc: /usr/src/sys/kern/kern_et.c: No such file or directory > cc: /usr/src/sys/kern/kern_clocksource.c: No such file or directory > /usr/src/sys/dev/acpica/acpi_hpet.c:46:24: error: sys/timeet.h: No such f= ile or directory > /usr/src/sys/x86/x86/local_apic.c:52:24: error: sys/timeet.h: No such fil= e or directory > /usr/src/sys/x86/isa/atrtc.c:45:24: error: sys/timeet.h: No such file or = directory > /usr/src/sys/x86/isa/clock.c:60:24: error: sys/timeet.h: No such file or = directory > mkdep: compile failed > *** Error code 1 > > Stop in /usr/obj/usr/src/sys/MARGS. > *** Error code 1 > > Stop in /usr/src. > *** Error code 1 > > Stop in /usr/src. > Revert the patch (patch -R) and reapply the patch with -p0: [/usr/src]# patch -p0 < /path/to/file.patch ...and try it again :) -Brandon
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