Re: [CFT] Paravirtualized KVM clock

On Sun, Jan 4, 2015 at 12:00 PM, Adrian Chadd wrote: > ... so, out of pure curiousity - what's making the benchmark go > faster? Is it userland side of things calling clock methods, or > something in the kernel, or both? > > Most likely GEOM statistic gathering in the kernel but Bryan would have

Re: accessing a PCIe register from userspace through kmem or other ways ?

On Wed, Mar 30, 2016 at 10:47 AM, Luigi Rizzo wrote: > Hi, > I'd like to test the rate at which I can access device registers > on a PCIe card, and was wondering whether I need to patch a device > driver, or perhaps I can use /dev/kmem once I figure out where > the registers are mapped ? > You d

Re: buildworld broke in sbin/nvmecontrol; r240620 suspected

On Tue, Sep 18, 2012 at 8:28 AM, Garrett Cooper wrote: > On Sep 18, 2012, at 5:53 AM, David Wolfskill wrote: > >> This was on: >> >> FreeBSD g1-227.catwhisker.org 10.0-CURRENT FreeBSD 10.0-CURRENT #681 >> 240597M: Mon Sep 17 15:34:41 PDT 2012 >> r...@d134.dwolf.juniper.net.:/usr/obj/usr/src

Re: buildworld broke in sbin/nvmecontrol; r240620 suspected

On Tue, Sep 18, 2012 at 5:53 AM, David Wolfskill wrote: > This was on: > > FreeBSD g1-227.catwhisker.org 10.0-CURRENT FreeBSD 10.0-CURRENT #681 240597M: > Mon Sep 17 15:34:41 PDT 2012 > r...@d134.dwolf.juniper.net.:/usr/obj/usr/src/sys/CANARY i386 > > using clang as the C compiler: > > ...

Re: [CFT]hwpmc update for sandybridge-e

On Thu, Oct 4, 2012 at 3:46 PM, Sean Bruno wrote: > So, I did the bear minimum and kind of hacked things together without > understanding precisely what I was doing, and I was able to massage the > sandybridge-e CPUs into giving me some basic functions. > > Comments or concerns before I commit thi

Re: [CFT]hwpmc update for sandybridge-e

On Mon, Oct 15, 2012 at 5:49 PM, hiren panchasara wrote: > > Thanks Fabien for getting back quickly. As I am not clear about uncore > support, I've removed it entirely as you suggested. I've tried to > incorporate other comments too. > > New set of diffs, pmccontrol and pmctest.py results are he

Re: [CFT]hwpmc update for sandybridge-e

On Wed, Oct 17, 2012 at 3:57 PM, hiren panchasara wrote: > > > > Thanks for the pointers Jim! > > It seems that everything works now with: > > http://www.strugglingcoder.info/patches/hwpmc_sbx_3.txt > http://www.strugglingcoder.info/patches/pmccontrol_3.txt > http://www.strugglingcoder.info/patch

Re: [CFT]hwpmc update for sandybridge-e

On Wed, Oct 17, 2012 at 5:55 PM, hiren panchasara wrote: > > > On Wed, Oct 17, 2012 at 5:12 PM, hiren panchasara > wrote: >> >> >> >> On Wed, Oct 17, 2012 at 5:00 PM, Jim Harris wrote: >>> >>> On Wed, Oct 17, 2012 at 3:57 PM, hiren panchasa

Re: patch: hwpmc nits

On Sun, Oct 21, 2012 at 12:19 AM, hiren panchasara wrote: > http://www.strugglingcoder.info/patches/hwpmc_nits_1.txt > > Fixing a few typos with this patch. > > Please let me know if this looks okay. > > Thanks, > Hiren Looks good. Thanks, -Jim ___ fr

Re: Call for testers, users with scsi cards

On Tue, Dec 4, 2012 at 2:36 PM, Jeff Roberson wrote: > http://people.freebsd.org/~**jeff/loadccb.diff > > This patch consolidates all of the functions that map cam control blocks > for DMA into one central function. This change is a precursor to addin

Re: Call for testers, users with scsi cards

On Tue, Dec 4, 2012 at 2:36 PM, Jeff Roberson wrote: > http://people.freebsd.org/~**jeff/loadccb.diff > > This patch consolidates all of the functions that map cam control blocks > for DMA into one central function. This change is a precursor to addin

Re: Call for testers, users with scsi cards

On Wed, Dec 5, 2012 at 1:56 PM, Jeff Roberson wrote: > Thanks Jim. That was silly of me. I have decided to move this work to a > branch and keep expanding on it. I'll solicit more testing once the branch > is closer to the ultimate goal. > > Thanks, > Jeff > > Sounds good. FYI - that same chan

Re: VirtIO in GENERIC

On Sun, Dec 16, 2012 at 6:53 PM, Andrew Thompson wrote: > On 17 December 2012 13:17, Bryan Venteicher wrote: > > > There's been lots of requests to have VirtIO in GENERIC for i386 and > > amd64. Anybody have any issues or concerns with this or the patch at > > [1]. This also removes the kludge th

Re: PATCH: display MSI-X table and pba offsets from "pciconf -c"

On Thu, Jan 31, 2013 at 3:52 PM, Neel Natu wrote: > Hi, > > The following patch teaches pciconf(8) to display the table and pba > offsets when it displays the MSI-X capability. > > The new output format will look like: > > cap 11[70] = MSI-X supports 10 messages in map 0x1c[0x0][0x2000] enabled >

Re: libtool/ld shared libraries

On Tue, Mar 12, 2013 at 3:44 PM, Waitman Gobble wrote: > > Hi, > > I'm trying to figure out why my 10.0-CURRENT machine is having issues > producing *.so shared library... > > [659] > uname -a > FreeBSD dx.burplex.com 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r248165: Mon > Mar 11 18:20:30 PDT 2013

Re: hwpmc support for haswell

On Friday, March 22, 2013, hiren panchasara wrote: > On Thu, Jan 31, 2013 at 6:26 PM, hiren panchasara > > wrote: > > On Thu, Jan 31, 2013 at 5:47 PM, Davide Italiano > > > > wrote: > >> On Fri, Feb 1, 2013 at 2:17 AM, hiren panchasara > >> > wrote: > >>> Hi, > >>> > >>> I've prepared a patch to

Re: [head tinderbox] failure on amd64/amd64

On Fri, Apr 12, 2013 at 3:35 PM, FreeBSD Tinderbox wrote: > >>> World build completed on Fri Apr 12 22:33:43 UTC 2013 > TB --- 2013-04-12 22:33:43 - generating LINT kernel config > TB --- 2013-04-12 22:33:43 - cd /src/sys/amd64/conf > TB --- 2013-04-12 22:33:43 - /usr/bin/make -B LINT > TB --- 201

Re: Stack Overflow in GEOM

On Tue, Apr 16, 2013 at 11:13 AM, David Wolfskill wrote: > On Tue, Apr 16, 2013 at 10:56:31AM -0700, Cy Schubert wrote: > > Has anyone see this before? Just updated my CURRENT partitions on my > > testbed and laptop. The laptop just boots but I've managed to capture > this > > on my testbed (attac

Re: panic: UMA: Increase vm.boot_pages with 32 CPUs

On Tue, Aug 13, 2013 at 3:05 PM, Jeff Roberson wrote: > On Mon, 12 Aug 2013, Colin Percival wrote: > > Hi all, >> >> A HEAD@254238 kernel fails to boot in EC2 with >> >>> panic: UMA: Increase vm.boot_pages >>> >> on 32-CPU instances. Instances with up to 16 CPUs boot fine. >> >> I know there has

Re: panic: UMA: Increase vm.boot_pages with 32 CPUs

On Tue, Aug 13, 2013 at 8:47 PM, Jeff Roberson wrote: > On Tue, 13 Aug 2013, Jim Harris wrote: > > >> >> >> On Tue, Aug 13, 2013 at 3:05 PM, Jeff Roberson >> wrote: >> >> It's not any one commit really, just creeping demand for more pages >>