The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
1answer
30 views

Which niceness to give to prevent freezing?

If I wanted to give my main system, desktop cinnamon, the highest priority, which PID should I set this for? The reason is because I have a program that runs for days and would hog up all the ...
0
votes
0answers
35 views

Change the priority of a module after insmod

After writing a custom module and insert with insmod how can I make it high priority in the kernel? If is a network program, and if it has higher priority than default network components, will this ...
1
vote
1answer
64 views

top says iwlwifi's pr is -51

My understanding is that the pr value is the nice +20. So how can a process have a pr value less than 0? PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 619 root -51 0 0 ...
0
votes
1answer
48 views

Is I/O priority propagated to child processes?

I recently found out about ionice. If I run a script which in turn runs processes will the priorities of the child processes be equal to the parent script? If not, is there a way to set priorities for ...
0
votes
1answer
27 views

What order are config files loaded under linux when there are multiple sources?

I understand the main principle that local configuration files precede global /etc/ configuration files. What I really need though is some more detail on this because sometimes it's not obvious. The ...
0
votes
1answer
118 views

change priority (nice value) of a program permanently

i am trying to change nice value to (-20) permanently for uget-gtk by using gnome-system-monitor. But when i end process and restart it again, nice value by default got (0). Is there a way to set ...
0
votes
1answer
208 views

changing boot priority to external disk

I just installed xubuntu. I dual booted it, my main os is windows 7. I installed ubuntu onto a external hdd and is my second boot priority so since i use it the most, it is a hassle to change every ...
1
vote
2answers
4k views

How to increase the priority for a task permanently in linux machine?

How to increase the priority for a task in linux machine? What I've Done So Far: After small research i found that we can increase the priority to a task using NICE command and if we want to increase ...
8
votes
2answers
697 views

How can set disk IO priority automatically?

If I use some IO intensive application (like Virtualbox, Steam data verification or even dd) my system becomes almost unresponsive. Despite all being started with normal priority, they make the ...
11
votes
4answers
6k views

How do I limit Dropbox's activity on the hard disk?

On startup, Dropbox runs files indexing, which brings the system pretty much to a stand still for three minutes. Is there a way to restrict Dropbox from accessing the hard disk, or decrease the ...
1
vote
0answers
182 views

What priority to use calling sched_setscheduler

I am writing a server that I do not want preempted by any other user process or "low priority" kernel process. I'm using code like this: struct sched_param sched_param; memset(&sched_param, 0, ...
1
vote
2answers
1k views

How to adjust IRQ priority in Ubuntu 12.04?

The question says it all. I see some tutorials online for earlier editions of Ubuntu, but am having a hard time for 12.04.
2
votes
1answer
161 views

How does process priority influence a process

Assuming we have read the following question: Change niceness (priority) of a running process and we know about root, non-root permissions: What actually happens when a running process (Through ...
1
vote
1answer
678 views

Cant change niceness even after editing limits.conf

so what i did: in the terminal i typed: sudo su (used pass) then typed: nano /etc/security/limits.conf went to bottom and added: USER - nice -20 (with my ...
1
vote
1answer
77 views

Why do important system processes exhibit lower valued priorities?

I'm still learning about Linux. As a Linux distro, Ubuntu is blessed with the ability to multi-task, the concurrent execution of programs. And these programs have processes, taking up their chunk of ...
2
votes
2answers
1k views

Do all apps start with a normal priority on the system monitor?

I noticed that on my system monitor, one of my processes, titled pulseaudio, had a very high priority, while all of my other running apps had a normal priority. I don't recall ever changing it, so it ...
2
votes
1answer
2k views

How do priorities work on ubuntu's 12.04 system monitor?

I noticed in my system monitor app, on the "Processes" tab, that one can change the 'priority' of a certain program. What specifically would this do? (I'm new)
0
votes
1answer
51 views

Do the tasks on the active workspace have higher priority?

For this time I won't bother anyone with technical problems. I just had a philosophical question. Well it's in the title, I guess it's clear enough :p Well actually the question is more general: what ...
2
votes
3answers
558 views

How to accelerate opening an application

I want to be able to open an app faster than the normal time it takes to open it. What kind of script of changes do I have to do to make it so that when the app starts to open it receives more ...
3
votes
1answer
3k views

web browsing vs. torrent traffic, and bandwidth priority?

recently i did download big torrent files. (120 Gb). and i need to seed them back to at least 1.5 ratio. my upload speed is 130 Kb/s max. the problem is that i need to seed them as fast as possible. ...
3
votes
1answer
2k views

Why the process priority of Pulseaudio is -11?

Why it so low? Sometime when cpu is high load sound through Pulseaudio becomes choppy. I think this happens because process priority of Pulseaudio has so low value. So why it so low by default if it ...
42
votes
4answers
18k views

Change niceness (priority) of a running process

Is it possible to set a new nice level of a running process with a known id? Does this operation require root access, or just being the owner of the process?
5
votes
1answer
998 views

Advanced System Monitor/Task Manager?

When using kubuntu I noticed that the standard task manager/system monitor was a bit more capable than gnome-system-monitor, is there a more advanced system/task monitor for ubuntu that is based on ...
3
votes
2answers
2k views

Can it be harmful to grant jackd realtime priority?

I am apt-get installing Ardour, a sound mixing program, just to try it out. Installing Ardour also installs JACK, a dependency. As part of the JACK installation script, I get the following dialog: ...
1
vote
2answers
342 views

How to set up video and audio players to use realtime (or close) priority?

I use raw mplayer to play video, DeaDBeeF to play audio and Skype for VoIP. Heavy CPU-consuming processes (like rendering a website in Firefox, redrawing a Java IDE window or compilation) cause ...