Questions about improving the performance/speed of Ubuntu. Note that this is a general tag, and should be accompanied by another tag indicating what kind of performance you are referring to.

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1answer
16 views

Change Frequency But nothing different

My problem here: root@LeAn:~/Desktop# sh MinPower.sh CPU MHz: 1200.000 root@LeAn:~/Desktop# lscpu | grep MHz CPU MHz: 1200.000 root@LeAn:~/Desktop# python TestCpu.py ...
1
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2answers
16 views

Will only Xubuntu be faster than dualbooting with Windows 8?

I have installed Xubuntu alongside with Windows 8. I want to install Xubuntu again without Windows 8. Fresh installation, just Xubuntu. Will this increase this my performance?
0
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3answers
45 views

Reason for really slow 14.04 LTS performance

Ubuntu newbie/ computer novice with a question on performance. Downloaded Ubuntu 14.04 LTS from a purchased disk. The installation process went flawless. My problem is the OS is crawling (hovering the ...
3
votes
2answers
152 views

Constant HIGH CPU Usage - even after reboot with no applications

Here is a PROBLEM, a lists of my ATTEMPTS to solve it, and a PLEA for help: [As indicated, I have read all similar 'answered' questions, and have not found an answer that works for me.] ...
1
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0answers
11 views

Ubuntu 14 Idle - Non Activity Causes Poor Performance

I'm having an issue with Ubuntu 14. I have a touch screen and I noticed after medium to long periods of inactivity the device "throttles down" and takes a few moments to snap back. When I tap the ...
-1
votes
0answers
24 views

Ubuntu Desktop perform better in VMWare

With my computer I outperform any ubuntu installation with virual machines on Windows (using vmware player). If I do a dedicated installation of Ubuntu 12/13/14 all java applications runs very slow ...
3
votes
2answers
5k views

How to set cpufreq governor to performance?

I am on Ubuntu 13.04 64-bit. I have heard that setting the cpufreq governor to performance will, well, increase performance. Unfortunately, I am a bit of a newbie at this sort of thing, and I am not ...
2
votes
1answer
24 views

Oscillating disk performance

I recently upgraded my server from 12.04 LTS to 14.04 LTS. It used to run flawlessly, perfect in every way, but now I'm getting massive dropouts in the media streaming it provides So far the only ...
0
votes
0answers
19 views

How to increase Graphics peformance in Ubuntu 14.04 running as a guest in VIirtual Box?

I'm relatively new to Linux, I have played around with Ubuntu for 6 months but not a Linux Expert so please try helping in newbie terms I have Ubuntu 14.04 Running as a Guest in a Windows8.1 Host ...
0
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0answers
28 views

Lagging performance on Lenovo E530 running 14.04

I'm having persistent lagging problems on a Lenovo Thinkpad E530 currently running 14.04 but have also had them with 13.10. The system has a an i3 processor, 4GB RAM, 500GB Toshiba SATA-3 HDD and an ...
5
votes
2answers
4k views

Slow SSD + dm-crypt with Luks encryption in Ubuntu 12.10

I have an 128 GB SSD installed in my laptop (Samsung 840 Pro) on a Sata 3 interface. This laptop also has an i5 3210m Ivy Bridge Intel processor and 8 GB of RAM. I installed Ubuntu 12.10, using the ...
10
votes
6answers
9k views

Will running dual monitors have any significant impact on system speed?

Will setting up dual monitors on a decent-but-not-too-powerful machine significantly slow down my system? For specifics to my system, this is a 2GHz Intel Dual-core laptop with 4GB RAM and a decent ...
3
votes
2answers
199 views

intel_powerclamp: Start/Stop forced idle injection

I do not really knows when it started, i just upgraded from 13.10 to 14.04 and was about to do something about graphics performances (unity felt sluggish). That situation already lasted for 6 months I ...
1
vote
2answers
3k views

Bad 3d performance of intel ironlake

I'm using ubuntu 13.04 and got VERY bad 3d performance with intel ironlake comparing with a windows installation. Is there any way I can improve this? I already tried various paramaters of the i915 ...
0
votes
0answers
26 views

Ubuntu 14.04 slow boots with way too much disk access

I have an Intel dual-core 3GHz, 8 MB RAM DDR3, 1-1 drive, 1-120 running Ubuntu 14.04 dual-booting to WinXP as needed. My problem is at Ubuntu boot-up,the boot stalls while waiting for hard drive to ...
0
votes
1answer
59 views

TLP don't change CPU frequency

I check CPU clock speed with cat /proc/cpuinfo | grep "MHz", After sudo tlp start and sudo tlp bat still frequency is 2100MHz (Maximum). Could you please help me to solve this problem? I'm using ...
0
votes
0answers
36 views

Why is my read speed limited to 40 MB/s (< 25 %) reading from ext4 when compress-force is zlib and there's no CPU usage?

I'm moving data from an ext4 filesystem on a HDD connected with USB 3.0 which usually reads and writes with 170 MB/s to a btrfs subvolume on a SSD which usually reads and writes with 360 MB/s with ...
1
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0answers
83 views

Solved: enabling swapping cripples system

I am having a strange issue. Essentially, when swapping is enabled (on a swap partition), the system becomes unusably slow even at times when no swapping is in fact occurring. For example, when ...
2
votes
0answers
137 views

full disc encryption with SSD

I'm about to reinstall Ubuntu onto my laptop. If I use full encryption, which I desire, how will this impact performance of the SSD and FSTRIM? Will I still be able to use it or will it be ...
2
votes
1answer
6k views

Extremely slow network transfers in one direction

File transfers from my home server (running Ubuntu 12.04 Server) to any other PC on my LAN (all running Windows 7) are extremely slow, but file transfers in the other direction (uploading to the ...
-1
votes
0answers
28 views

Slow Ubuntu 32 bit

I just installed the latest Ubuntu (14.04.1 - 32 bit) on my old computer (750 MB RAM, 1.8 Ghz Duron) for learning purposes mostly. The speed with which everything is happening is really very slow - it ...
1
vote
2answers
3k views

Unity environment way too slow in Ubuntu 13.10

Unity and its apps open too slowly whenever I open one. It takes a while for them to appear completely. Everything works properly when the window is already open. The biggest problem is with the dash: ...
8
votes
5answers
19k views

Why is Ubuntu 14.04 so slow on my laptop? [closed]

I just installed Ubuntu 14.04 on a Dell laptop with 1.7Ghz Pentium M and 1Gbyte memory. Graphics are Intel® 852GM/855GM x86/MMX/SSE2, OS type is 32bit. The whole system is VERY slow. When I launch ...
0
votes
1answer
39 views

Ubuntu on Flash USB rather than SSD: performance penalty when not r/w-intense use?

I plan to turn my fanless HTPC completely silent, exchanging the current HDD for a silent runner. All I expect to do with the machine is to run a media client (XBMC), streaming my media via a network ...
16
votes
4answers
23k views

Why does kworker cpu usage get so high?

I recently installed Ubuntu 12.04 on my Samsung laptop alongside Windows 7. Whenever I use Ubuntu (even when its idle) kworker uses almost 90% of one of 8-cores. Even though it doesn't really affect ...
0
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0answers
24 views

Kernel Tuning Tools?

How to improve performance of a Kernel ? Are there any tuning tools to improve Kernel performance ? Thank you.
1
vote
1answer
149 views

How can I reduce ram usage? And also how can I speed up Ubuntu 14.10?

I just upgraded to Ubuntu 14.10 from 14.04 to find the amount of ram usage has almost doubled well my CPU usage and almost been reduced. When doing little on my computer my ram usage stays at about ...
3
votes
2answers
127 views

Performance loss after 30 minutes

This one's baffled me. I have Ubuntu 14.04, 3 days ago (2014-20-10) it started slowing down. I've reproduced it by opening gedit and then closing gedit, when the issue is active it hits roughly 2 ...
1
vote
0answers
104 views

Ubuntu 14.10: Extremely bad CPU Performance and heat

Ubuntu is running extremely slow due poor CPU performance, I have fairly good notebook (4GB ram 2.4Ghz Sandy Bridge CPU) and I know thats the cause is the p_state driver from Intel (the substitue of ...
0
votes
0answers
56 views

Ubuntu running slowly after accidentally filling hard disk

Ubuntu 14.04 Several days ago, I was running a program which creates large text files and accidentally filled the hard drive. Ubuntu seemed to be doing just fine. The process was still running, and ...
0
votes
5answers
13k views

Why is Ubuntu slower than Windows Xp? [duplicate]

Possible Duplicate: How can I improve overall system performance? My system config is-chipset - Intel Brookdale-G i845GEVmotherboard - 01/25/2005-i845G-W627-6A69VM4YC-00video adapter - ...
2
votes
4answers
192 views

Robot running Linux is slow to boot

I'm working with a robotic platform (for use in the RoboCup competition) and we run Ubuntu Server 13.10. It's critical during matches that our robots are able to boot as quickly as possible. What's ...
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0answers
35 views

Benchmark phones using Ubuntu Touch?

I have a few used phones running identical fresh installs of the current Ubuntu Touch for Devices and want to benchmark their performance and attributes in the field such as: processor, battery ...
0
votes
1answer
266 views

AMD E1-6010 1.35GHz slow performance?

I have just installed the 64bit version of ubuntu 14.04.1 LTS version on my low-end laptop which has a AMD Dual-Core E1-6010 Accelerated Processor (1.35GHz, 1MB L2 Cache) and 4g of ram. Been switched ...
0
votes
1answer
85 views

Ubuntu 14.04 running slow on a 64 bit processor

I upgraded from win 8.1 64 bit to Ubuntu 14.04 64 bit version. My PC have 4 GB of ram and 2.23 GHz dual core processor... after installing Ubuntu its running slow.. should I switch to 32 bit or are ...
0
votes
1answer
37 views

What makes LiveCDs, LiveDVDs, and LiveUSBs slow?

Even on a rather good computer, booting from a LiveCDs or LiveDVDs is really slow, especially in the beginning before the operating system has completely loaded in. What is the major bottleneck in ...
5
votes
0answers
805 views

Upgraded to Ubuntu 14.10 and *everything* lags

Yesterday, I upgraded my Lenovo Thinkpad X1 Carbon (2013) from Ubuntu 14.04 to Ubuntu 14.10. Since then, everything lags, from applications when opened (or 'drawn back in the background' for an ...
0
votes
0answers
240 views

slow hard disk Ubunto 14.04 ext4 on thinkpad dual boot

Ext4 - is it slower? Have a Thinkpad with 8GB drive , 4 processors. Intel® Core™ i3-3110M CPU @ 2.40GHz × 4 . Ubuntu 14.04 LTS with updates applied. File reading is very slow. IDE STS hangs when a ...
1
vote
1answer
62 views

multi-core usage, biased towards core 2?

I have 4 cores in my system. Core 2 is frequently showing 100% usage in htop. Meanwhile Core 1,3,4 show something around 5% most of the time. Is this normal? Is there a way to better distribute Core ...
12
votes
1answer
15k views

How do I monitor disk activity on a specific drive?

I'd like to watch disk activity on my USB external hard drive. I know that I can use iotop to monitor disk I/O for each running process, but is there a way to get a measure per filesystem?
7
votes
0answers
870 views

Ubuntu Gnome 14.10 - desktop performance degraded when certain apps are running

I have upgraded from Ubuntu Gnome 14.04 to 14.10 yesterday using standard Software Updater GUI. The upgrade went smooth, however once upgrade was done I've noticed significant desktop performance ...
4
votes
1answer
1k views

`indicator-cpufreq` doesn't seem to work on 14.10

I have a Dell XPS 12 and just installed Ubuntu 14.10 (by completely wiping out the old 14.04 installation). The indicator menu has 2 options, Performance and Powersave, from which I choose ...
3
votes
2answers
1k views

How to monitor disk activity?

How do I view my Disk Activity on Ubuntu? For example, How can I monitor what is being written and read from disk as well as the percentage of disk usage? I am looking for an application similar to ...
0
votes
0answers
29 views

Sudden sluggish performance of ubuntu system

since 3 days a very important system at my workplace started a most peculiar behavior. There is no internet connection on that PC and no updates have been made. When I started the PC 3 days ago after ...
0
votes
2answers
191 views

Very slow computer, after installing ubuntu 14.04

I have recently installed Ubuntu 14.04 on my computer, and now it is impossible to use it because it runs very slow. I have an old Dell computer with an Intel Pentium R4 CPU clocked @ 2.80GHz. Can ...
0
votes
0answers
14 views

How to: autocreation of system performance / health log?

I want my system to create file with a history entries filled by: exact time CPU, GPU, HDD temperatures network total up/down bytes RAM and swap % usage Less important: CPU, GPU, HDD loads ...
3
votes
2answers
427 views

ls on home directory very slow

A while ago, I accidentally created hundreds of thousands of files in my home directory which I subsequently deleted. Since then however, running ls in my home directory has been extremely slow ...
0
votes
1answer
17 views

Why GNOME3 apps close such long? [closed]

For example system monitor and calculator. It takes about 1 second after clicking close for app to vanish from my screen. Why it is so long. Or it is only my personal bug? PS using Xubuntu 14.04; some ...
7
votes
9answers
2k views

Can I simulate a slow hard drive?

I have hunch that a certain intermittent bug might only manifest itself when there is a slow disk read rate. Troubleshooting is difficult because I can't reliably reproduce it. Short of simply ...
1
vote
2answers
405 views

Cat 6 Only 100mbit speed

I tried two different cat6 cables directly connected between my two ubuntu machines. This one I ordered online: http://www.amazon.co.uk/gp/product/B002SQPDXS/ref=wms_ohs_product only achieves 100mbit ...