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1answer
46 views

problem with rsyslog filters

I have to make a rule in rsyslog.conf file in order to get the mail logs which at least notice priority but with exception of err priority to a certain path. Here is the rule I tried to make for this:...
0
votes
1answer
63 views

software raid priority (systemtap)

I'd like to know on which priority software raid works (level 1 if it matters). So I wrote simple systemtap script to do the job, but I'm not sure if I have done it correctly. [root@asus-ux21e ~]# ...
5
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0answers
23 views

How does ionice work with multiple drives?

I understand how ionice can help you when you have multiple processes requesting access to the same disk resources, but how does it work when you have multiple disks? For example, you have one rsync ...
3
votes
0answers
73 views

User-based GPU priority

I have a computer running Linux (Kubuntu 14.04.3 LTS x64), where I use the CUDA toolkit to perform some computations on some Nvidia GPUs. I share the computer with a few other users. How can I define ...
3
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0answers
2k views

Does the timeslice depend on process priority or not under Completely Fair Scheduling?

I'm trying to understand the Completely Fair Scheduler (CFS). According to Robert Love in Linux Kernel Development, 3rd edition(italics his, bold mine): Rather than assign each process a ...
2
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0answers
86 views

Why are the process priorities not respected?

I was running four jobs in the background with HTCondor. It sets the priority to 10. Then I was compiling something with make -j4 in the foreground (priority 0). However, the HTCondor jobs still got ...
1
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0answers
43 views

getpriority returning different value on different hosts with same kernel version

I am running centos 6.6 on same type of hardware with kernel version "2.6.32-504.30.3.el6.x86_64" Has anybody seen this why the below code when compiled and executed gives a different value on two ...
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0answers
38 views

Setscheduler for non root user and encrypted home directory

I have an application for which I would like to use a FIFO scheduler. My code looks as follow: int maxPriority = sched_get_priority_max(SCHED_FIFO); // Max is the highest priority sched_param ...
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0answers
22 views

Is there a way to specify gpu priority per process?

We have niceness value on Linux, which ~means CPU priority (PR = 20 + NI). We can increase niceness for heavy task, decrease it for main task etc. But is there an analogue of niceness, but for GPU?
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31 views

How do you adjust other user's job priority?

Let's say your coworker started a very intense process and went home. It's occupying most of the CPU resources, and you can't do your stuffs because of it. If it was your own process, you could run '...