September 2005 - openSUSE Optimize - openSUSE Mailing Lists

Improving bootup time by 11 seconds
by nordi 03 Oct '05

03 Oct '05

Hi list! I tried to find out if preloading can improve startup time if you use autologin (=no login screen, KDE gets started immediately). With just one small modification I managed to save 11.6 seconds on my system, bringing the time from 71 seconds down to 59.4! This would certainly be a great thing for the 1CD install, so I would like you to test this. I want to see if it is really that easy to improve performance. Setup: - activate autologin for a user that uses KDE - Insert a command in /etc/init.d/boot.localfs. Change > rc_status > mount -av -t nonfs,noproc,nodevpts,nosmbfs -O no_netdev > rc_status -v1 -r > ;; >stop) to > rc_status > mount -av -t nonfs,noproc,nodevpts,nosmbfs -O no_netdev > /usr/bin/ionice -n6 /sbin/preload < /var/cache/preload/kde.preload & > rc_status -v1 -r > ;; >stop) The only remaining problem is timing. A stopwatch is too unprecise, so I have attached a file that you should place in /opt/kde3/share/autostart. When the system starts, it will open a small window that shows the current uptime of the system (first number, ignore the second one). I would really appreciate your feedback! Cheers nordi

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super in vmware
by Andreas Weber 30 Sep '05

30 Sep '05

hello ! has anybody tested super under vmware ? this seems to fail.. (Test: Installation (in vmware under SuSE 9.2) with virtual SCSI-Disk, LVM and XFS.) is it possible that theres no lvm -package and therefore it can be installed but after reboot it wont load at all ? andreas

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Test 2
by Martin Mewes 27 Sep '05

27 Sep '05

Jetzt klappt das auch mit mbox.mewes.tv Klasse :-) bis dahin/kind regards Martin Mewes -- Welche Mailingliste zu welchem Linux? suse-linux(a)suse.com -> SuSE Linux debian-user-german(a)lists.debian.org -> Debian GNU/Linux linux-kernel(a)vger.kernel.org -> Linux Kernel

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About OpenSuSE Super kernel
by Tuukka Pasanen 27 Sep '05

27 Sep '05

Hi, I like to ask if you have found your kernel guy to integrate Con Kolivas patches to OpenSuSE Super kernel? I have been toying with kernel 5 five years now. I work at small firm that develops embedded linux machines and I have been compiling kernel to ARM, PowerPC, SPARC and x86 (example VIA) machines. I've been also compiled binary RPMS for our firm use (We commonly use SuSE for our develoment). They can be found at http://tuukka.pasanen.net/programs/kernel/index.htm. So if vacation is open I can be interested in that:) Only problem is I read bit german (I've been working there a while) but I can't write or speak it. So I can't get along with forum and stuff.. Tuukka

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Removing unnecessary applications
by nordi 22 Sep '05

22 Sep '05

Hi list! Many of you have probably noticed that openSUSE by default installs (and starts) a number of applications that many people do not need. Examples are the sshd (even started on desktop systems...), Kinternet and the like. If these unneeded programs get removed, we can save a couple of MB of RAM and also make booting faster. I tried this with the following programs that are started by default, but unnecessary on _my_ system: kinternet, sshd, klipper, smpppd, susewatcher. On a freshly booted system, memory usage went down from 87.8 to 82.7 megabytes. This means I can save 5.1MB of RAM. On other systems you will of course have different results because the user may have a different setup. So I think we should have a small tool that asks the user a few questions about his system and disables/uninstalls the programs in question. These few MB could make quite a difference for people with little RAM! Another candidate on my list is portmap. It is needed for importing NFS file systems, which not that many people do. I'm just wondering if it is also necessary for anything else that a user might want? Maybe other programs could be disabled as well. Feel free to suggest one. Cheers nordi

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CK - suse kernel
by Andreas Girardet 22 Sep '05

22 Sep '05

SNIP >> uploaded to my webserver, and this includes the swap prefetch >> update planned for ck6 (but the patch is still called ck5). I've renamed >> the patch directory for clarity. >> >> http://ck.kolivas.org/patches/2.6/2.6.13/suse- 2.6.13- 15/ > > I should also mention that by default, until it is proven, I would recommend > > swap prefetch should be off in the packaged binary kernel rpms. > > Cheers, > Con FYI Groovie baby .... expect rpm's from me for the final ... Andreas

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Startup times using Kolivas patch-2.6.13-8-suse-ck5 on RC1
by James PEARSON 22 Sep '05

22 Sep '05

Hello all I downloaded Con Kolivas' patch-2.6.13-8-suse-ck5.bz yesterday and compiled it into a RC1 kernel (on a P4 1.6 GHz 256 Megs) I then measured kde, openOffice, Firefox and konqueror startup times two or three times using each kernel Here are the results: ########################### Con Kelvas ###################### RC1 Standard Kernel #################### (2.6.13-ck5-8-default) ########## (2.6.13-8-default) startup till desktop ###### 76 ############################## 70 openOffice ################ 14 ############################## 15 Firefox ################### 6 ############################### 7 konqueror ################# 2 ############################### 2 Note: Startup till kde desktop was measured from hiting enter on the grub menu until the kde desktop was up and running normally. Idem for the others. My tests slow that startup time for the kde Desktop was actually 6 seconds slower using the Con Kolivas's patch-2.6.13-8-suse-ck5 . ########### For info ########### linux:/usr/src/linux # bzcat /media/usbdisk/patch-2.6.13-8-suse-ck5.bz2 | patch -p1 patching file arch/i386/Kconfig patching file arch/i386/pci/common.c patching file arch/i386/pci/i386.c patching file arch/ia64/configs/tiger_defconfig patching file arch/ia64/configs/zx1_defconfig patching file arch/ppc/configs/common_defconfig patching file arch/ppc/configs/pmac_defconfig patching file crypto/cipher.c patching file Documentation/filesystems/proc.txt patching file Documentation/sysctl/vm.txt patching file drivers/char/rtc.c patching file drivers/ide/pci/cmd64x.c patching file drivers/ide/pci/hpt34x.c patching file drivers/ide/pci/hpt366.c patching file drivers/media/video/Kconfig patching file drivers/net/forcedeth.c patching file drivers/net/sungem.c patching file drivers/net/sunhme.c patching file drivers/pci/rom.c patching file drivers/pci/setup-bus.c patching file drivers/scsi/aacraid/aachba.c patching file drivers/usb/serial/ftdi_sio.c patching file fs/compat_ioctl.c patching file fs/jfs/inode.c patching file fs/pipe.c patching file fs/proc/array.c patching file fs/proc/base.c patching file include/asm-i386/page.h patching file include/linux/fs.h patching file include/linux/init_task.h patching file include/linux/ioprio.h patching file include/linux/mmzone.h patching file include/linux/sched.h patching file include/linux/swap.h patching file include/linux/sysctl.h patching file include/linux/writeback.h patching file include/net/compat.h patching file init/Kconfig patching file kernel/exit.c patching file kernel/Kconfig.hz patching file kernel/sched.c patching file kernel/sysctl.c patching file Makefile patching file mm/Makefile patching file mm/mempolicy.c patching file mm/page_alloc.c patching file mm/page-writeback.c patching file mm/swap.c patching file mm/swap_prefetch.c patching file mm/swap_state.c patching file mm/vmscan.c patching file net/compat.c patching file net/core/filter.c patching file net/ipv4/ip_fragment.c patching file net/ipv4/netfilter/ipt_MASQUERADE.c patching file net/ipv4/raw.c patching file net/ipv6/raw.c patching file net/socket.c Makefile OLD: VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 13 EXTRAVERSION = NAME=Woozy Numbat VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 13 EXTRAVERSION = -ck5 NAME=Cognac Woozy Numbat

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Con Kolivas
by Andreas Girardet 20 Sep '05

20 Sep '05

>From an email with Con: >>> On Tue, Sep 20, 2005 at 11:36 am, in message >> I saw you created a special patchset for rc1. this is fantastic! Are >> you planning to do the final too? > > Yes I was. >> Great news from Con Kolivas ......he is officially going to maintain a - ck patchset for SUSE now and I put my hand up to create a modified - ck rpm set for SUSE ...... expect rpm's in the next few days :D Andreas

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SMP kernel for the 1CD isos?
by nordi 16 Sep '05

16 Sep '05

Hi everybody! Since an increasing number of users has hyper-threaded CPUs, it would be a good idea to include a SMP kernel for the 1CD install (just heard it is not there, no time+bandwidth to test myself). Otherwise, you will probably have significantly lower performance with this type of CPU. Since there is little space on only one iso, I suggest that we ship a SMP-enabled kernel for everybody. This should not decrease performance for uniprocessor machines but get you full speed on hyperthreaded CPUS. Question: Is this going to break anything? I'm thinking especially of binary-only drivers that might not like SMP systems. Or maybe other problems when you run an SMP enabled kernel on a system with just 1 CPU. Cheers nordi

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bugfix for kernel module in opensuse kernel?
by Fiete Lange 16 Sep '05

16 Sep '05

Hi, I'm running into the following problem: With SuSE 9.2 it was possible to download the kernel module ov511 (one stable and one experimental version, 1.65 en 2.28 I think) and to compile it in order to use some webcams. As far as I understood this module is now maintained in the kernel tree. But with kernel 2.6.11 and later it won't work any more. Some people at www.linux-usb.org wrote that this module is not maintained any more. I've send some e-mails to the official maintainers, but no respons. Will opensuse have an optimized kernel without known bugs of the standard kernel modules? Is there a chance that someone of this community will supply / write a patch? ref: http://www.qbik.ch/usb/devices/search_res.php?pattern=webcam I own a (USB) Phillips ToUCam, which needs support for compression (= a cheap one), works great up to SuSE 9.2 Of coarse I can go to a shop and buy another webcam..... Fiete

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