OpenSUSE Hardware :: 11.2 Reducing CPU Frequency And Killing Performance
Aug 3, 2010
I have a Dell Precision M6400 laptop with an Intel Core2 Duo 2.8 GHz processor.I have set Power Management to performance when on AC power and have also written a script that calls cpufreq-set to set the lower and upper limits to 2.80 GHz (cpufreq-info output below).However, sometimes when doing some heavy work the frequency suddenly gets reduced to 1.60 GHz on both cores and I cannot set them back to 2.80 GHz using the script (cpufreq-set says errors occurred). Performance is then totally gone and I have to reboot. The same script then works fine after a reboot.What is setting the lower limit back down to 1.60 GHz even though I set it to 2.80 GHz using my script? How can I stop/configure this or prevent it from happening?
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Jul 30, 2010
Is there any possible way to keep my CPU frequency scaling on PERFORMANCE mode through a reboot? Ubuntu likes to default it back to ONDEMAND all the time.
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Mar 10, 2011
I want to kill parent process after "fork()" method. but if I kill parent process with "exit(0)" method, main() thread is terminated as well so child prosess doesn't work anymore. Is there any way to kill only parent process without affecting to child process?
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
[code]....
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Jul 20, 2010
I just installed oS11.3 on a new Aspire Revo R3610 which has the Intel Atom 330 chip and Nvidia ION graphics.
I noticed that the CPU is always running at 1600Mhz and doesn't throttle down when there is no load. Do the Atom cpus not throttle down or is there a setting in 11.3 that I can change?
I installed the 64bit of oS 11.3.
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Jun 26, 2011
I am having a problem since upgrading from OPENSuSE 11.2 to 11.4 (both 64bit). The problem goes back to some issue with repositories which is what "forced" me into an 11.4 upgrade.
So, upon completing the install, and every time I run YAST to do updates, I get a message about this: "Error refreshing service ATI Repository (http://www.ati.com/suse/11.2):" How is it that this repository entry survived the upgrade install? Ok, forget that, how do I get rid of this when I can't get it to display in the list of repositories I have?
What is even worse, I don't have ATI drivers on this system (I had uninstalled them a year ago, pulled in the NVidea, esw, etc.) as I had put an NVidea adapter card in, in place of the ATI built in (on the MOBO). Somehow that dropping of the repository didn't work, and now I have this thing in limbo? ps. I can't figure out what string to search in my file system or I'd have deleted the sucker last night during the install manual reboot.
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Apr 11, 2011
My CPU has 2.19GHz (2190.000kHz)
but linux runs to fast if i watch the time 1 minute (real time) = 5 minutes (linux)
i checked the cpu freq with
Code:
cat /proc/cpuinfo |grep MHz
and the output was
cpufreq 2194.800 kHz
the cpu is overclocked!!!!
[Code]....
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Mar 17, 2011
I have HP 5103 with Atom N550, installed openSUSE 11.4 64bit. CPU freq. is always 1 GHz and I am not able to change it to max. 1,5 GHz. I am Linux beginner.
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Apr 29, 2011
Not sure this is the right place and I feel really stupid for asking this but, I want to change the frequency of the online update checks but, for the life of me, cannot find out how. During install, I can configure it but I now want something different. I thought that there was a topic with yast under software but no. Only "online update" which basically give me manual update. I click on configure but same screen appears.
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Dec 22, 2010
so I've got a openSuse 11.3 machine with KDE. As graphic card I've got a 9500GT and as display a syncmaster 570b. Now both work fine with other products (9500GT works fine on my other display and my Windows laptop works fine with the syncmaster 570). I beleive it's because of the frequency. here's a list of frequencies supported by the 570: Technische Daten zu Samsung Syncmaster 570B - TFT Monitor bei dooyoo.de
I also installed nvidia drivers via yast2. But how do I change the frequency? I've been trying to solve the problem for hours. Oh yeah when I connect my 570b to my 9500gt, I sometimes get a picture and sometimes don't. However when I get a picture colors are very strange and it flickers hardly.
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Jan 28, 2010
I am looking for a daemon that will set the CPU to lower frequency if its temperature is going too high. I used an application like this in Windows.
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Jul 31, 2010
I just wanted to know if having my laptop set to ondemand, will this affect performance in any way? I realize it increases the clock speed to performance when the CPU is under load, but does the time it take to go from ondemand to performance affect speed? Will there be any noticeable difference between the two setups? I have a dual core intel at 2.2GHz when in performance. When ondemand is set with no load it downclocks to 800Mhz.
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Aug 18, 2009
I have F8 system that I have installed a fair amount of software on. When I started to install F10 I discovered that the file system is LVM (F8 default) which takes the entire disk (80G). I want to keep the F8 install but add F10 so I can migrate things to F10. So I need to:
1. Back up the system to USB HD so I can restore if things go wrong. Prefer to backup to a non-LVM partition (if that's reasonable). I don't really have any critical data but want to preserve the software installs and configurations that I have spent a lot of time sorting out.
2. Reduce the LVM partition to 20 G to make room for F10 and leave some unallocated space - say 30G for F10 and 30G unalocated.
3. Install F10 (on non-LVM partition) and keep both bootable. I have heard this may involve editing some grub files.
I have used SystemRescueCD a little and want to be able to use it on the F10 partition.
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Jun 15, 2011
I have installed Fedora 15 on my laptop a couple of days ago, but now i want to install windows next to it.To do this i have to resize the lvm partition.But at the final step (vgreduce) i get this message:Physical volume "/dev/sda2" still in use.What now? Can someone help me reducing the size of my lvm partition?
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May 15, 2010
Does anyone know of an alsa based software multi-band (10 or more) graphic audio frequency equalizer that works with Suse 11.x? To be clear, I don't mean an equalizer within an audio or video player. One that can be used with any sound application, that works between the output of the player and the output plugs on a motherboard or sound card.
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Feb 11, 2010
I have an install of Fedora 12 and I would like to know how to reduce the size of the /var/log/messages file.You see that file is already 120MB large and about 4 days old.I would like to be able to either make a new file daily or adjust a maximum size
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Mar 13, 2010
I have a netbook and one of the suggested optimizations was to reduce the use of swap.I've noticed on my desktop and conventional laptop that it is quite usual for the swap file to be used even when memory usage is low (25% of available memory).I'm looking for some advise on the best way to set up a conventional desktop or laptop as my understanding is that the use of a swap file will slow the system responsiveness down. Can I use a version of the above to improve performance and reduce swap usage?
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Nov 26, 2010
In Ubuntu 8.04, when I wanted to reduce the boot menu delay I had to do the following:
enter in terminal: gksu gedit /boot/grub/menu.lst
I then looked for the line that begins with timeout and changed the value (shortened the delay)
Now with ubuntu 10.10, when I tried this I do get into the Gedit text editor as with 8.04 but it is completely blank, no entries at all? So nothing to change! So how do I change the boot menu delay in ubuntu 10.10?
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May 29, 2011
There is one directory in /oracle partition in test server which i use to delete that dir after copying in the same location with diff file/dir name. Like this i did so many times.evrytime i m deleting but the /oracle partition space is reducing by 1.5 or 2gb after deleting dirs of 80gb.Directory size is 80GB and partition size 400GB.plz let me knw with steps, is it requires to do De-fragmentation?
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Jan 19, 2011
I run Fedora FC13-x64. Recently I added a few TB's of RAID5 storage tto my server and moved most data from the root filesystem to that. Now my root volume is way too big. My basic install resulted in a 1TB LVM volume group entirely dedicated to a single lv_root.
Now I want to make room and eventually clone this disk to a much smaller root disk. I see many threads about reducing the size of an LVM logical volume. My first steps were succesful. I used lvreduce and resize2fs to reduce the size of the logical volume and filesystem. I also user pvreduce to reduce the size of the physical volume group.
But still gparted and fdisk report the physicalk volume (/dev/sde2) as 900GB. The embedded LVM stuff is as small as 60GB. Anyway LVM manager and GParted doe not allow me to shrink /dev/sdf2 to snuggly fit the LVM stuff in it.
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Nov 16, 2010
Ok chaps, what do I need similar to Irfan View on T'other OS (hiss) to edit the Size of Photo's, friends tend to get miffed if I email 5MB Pic's. Loads of viewers etc on Ubuntu, like Playing Hopscotch in a Minefield, can give you a really Crap Day!
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Jan 15, 2010
I'm wondering if there is a way to shrink an ext3 LV mount as / .I tried to with resize2fs ... but seems that isn't possible if the partition is mounted.
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Sep 9, 2009
Alternate Heading: Unable to use opensuse partitioner to fully format a Seagate 1Tb drive OK. Swapped over a motherboard to increase the number of slots available for hard drives so that I could expand my raid array (4 X 1Tb drives). Discovered I had no thermal paste so all delayed for 24 hours while I bought some, miscalculated on rebuild and had to reinstall OpenSuse but in the end system is now up and running. Unfortunately when I formatted my new 1Tb drive (Seagate) it formats to 931.50 Gb while the other 4 drives formatted to 931.51 Gb (they are WD). I'm now in the position that when I try to add this new drive I get :
mdadm: /dev/sdc1 not large enough to join array
Is there any way I can resize the existing devices down to 931.50 Gb so that I can add in the new drive without having to restore the array?
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Apr 3, 2010
I have Centos 5. I enabled the EL repos so I could upgrade the php to the latest, and now there are upgrades that yum is not letting me get. I have a Virtualmin VPN plugin that needs Virtualmin to be updated to 5.10, but it seems when I updated PHP with the EL repos Yum is now reducing my available packages. Here are some outputs. with some things removed for length.
[Code]....
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Dec 22, 2009
First of all, apologies if this is not the correct place to post this. I recently installed openSUSE 11.2 (Gnome, 32bit) on my newish PC. It is an Acer Aspire X3200 (AMD Phenom X4 Quad-Core, 1.8 GHz, 4096 MB, NVIDIA GeForce 8200 Integrated, can provide detailed specifications if needed). I've to say I am very disappointed with the results so far! Sorry to say this but I'm having a whole load of problems that I never had when I had Vista or with current Win 7. Here are the issues:
1. Slow network performance. I've disabled ipv6 but it is still the same. Not only when I use Firefox, it is also slow when I use console based programs. 2. Instability - Gnome system monitor crashed 6 (or more) out of 10 times I use it. System Monitor users more CPU resources than anything else! Also when I started the PC this morning, I only had the desktop wallpaper. No icons, no taskbar, no mouse movements or menus, nothing. I had to force shut down it after a while. I'm sure we all are familiar with this on XP but I've never seen something like that on Linux!
3. Annoying noise coming every time I move mouse (mainly when scrolling) and even if I'm not doing anything. I suspect it is coming from my HDD indicator as it always blink even when nothing is running. This can't be a hardware issue as I've never had this on Vista or Win 7 (it is virtually silent on Vista and XP but not on SuSE) This noise is driving me totally mad.
4. Slow performance in general. No matter what I do, even typing this on this text window, it seems everything is running so slow. I never had this problem when I was running 10.x on my 6 year old PC. CPU is always running around 20%-30%, when I don't run any other applications but just Firefox (I have Foxclocks, Delicious and FEBE as add-ons and I don't have any problem using them on Vista or Win 7). I am using Compiz, not sure if this has got anything to do with that.
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Jan 14, 2011
I've spent hours trying to scan + shrink a multipage PDF documentlosing readability. This is the first time I've ever needed to do this! (I had to scan each page as ".jpg" in order to email and open on another computer, so I could not scan to PDF directly, which I think is why each page was so large; lower DPIs made the text too blurry.)I found this great tip on UbuntuGeek...but anyone can do this if GhostScript is installed:
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Feb 28, 2010
i wanted to check the cpu performance monitor also, can i use readyboost in opensuse? I wanted to try that out as well
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Apr 21, 2010
I'd like to find out if my system can take a certain load, number of PHP requests per unit of time. How would one go about this?
I'm about to make a change on Digital Camera Buying Guide, Photography Articles and Reviews | NeoCamera.com that would make all pages pass through PHP with personalized information which will prevent me from setting the cache-validity any significant amount of time (currently it is 1 hour). To handle the current load it needs to process 500 PHP requests per minute but I would like to make sure my system can handle twice the load. It is a Phenom II X4 with 8GB RAM running OpenSUSE 11.2.
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Jul 3, 2010
How can I check my video performance?
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Dec 22, 2010
anybody knows any tool to measure cpu performance on opensuse box, graphically would be great.
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Jan 16, 2011
What is an smart setup of an ocz-ssd 120GB, so that mathematica 8 speeds up?
OS: OpenSuse 11.3 64Bit (Dualboot with XP 64)
RAM: 8 GB
AMD X4 3.4 GHrz
HHD: 2 TB
SSD: 120 GB
App: Mathematica 8 and Databases
GPU: 36 Shader 512 MB
What partitions are useful?
SWAP: 60GB
TMP: 20GB
APP: 20GB
DB-Indices: 20GB
Which file-format performs the best? Do I need any OCZ specific driver for Opensuse 11.3?
How can use the Swap and tmp Partion also to spee up XP?
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