J. Roeleveld <jo...@antarean.org> wrote: > On Friday, June 06, 2014 01:59:18 AM cov...@ccs.covici.com wrote: > > Hi. I am having some strange performance problems when booted under > > systemd. These problems happened a little bit under openrc, but are > > much more pronounced with systemd. > > I don't think it's necessarily systemd itself, just a setting that systemd > does differently then openrc. See below for more. > > > I am using just virtual consoles, no gui whatsoever at the moment. I > > also use tmux with 4 windows in one of the vcs. My system is an i7 > > processor, quod core and 16g of ram and 2g of swap space which appears > > not to be used. I am using uvesafb for the console, so I get 64x160 > > screens. > > Sounds similar to my laptop, except I run KDE and got 16g of swap (for > hibernate) > > > The first problem is that if I don't press any keystrokes for several > > minutes and then want to move to another vc, it takes about 3 or 4 > > seconds after the alt-left arrow or alt-right arrow command to take > > effect. Even within the same vt, if I don't do anything for several > > minutes, it takes several seconds till the keystroke echoes and > > something happens. Once I have done this, things act normally, but its > > kind of annoying. > > Sounds like a powersave setting. I used to get the same on my old laptop with > spinning rust. SSDs tend to "spin-up" a lot quicker. > > > Also, my load average seems to always be >1. I have > > looked at top and things seem to be OK, except that my cpu usage is like > > this: > > Tasks: 934 total, 2 running, 931 sleeping, 0 stopped, 1 zombie > > %Cpu(s): 12.5 us, 1.2 sy, 0.0 ni, 86.0 id, 0.2 wa, 0.0 hi, 0.0 si, > > 0.0 st > > KiB Mem: 16450248 total, 9678656 used, 6771592 free, 1084088 buffers > > KiB Swap: 2097148 total, 4 used, 2097144 free. 1147688 cached > > Mem > > > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ > > COMMAND > > 9969 root 20 0 708 16 0 R 100.0 0.0 1549:10 v86d > > 579 root 30 10 0 0 0 S 9.1 0.0 16:09.93 > > speakup > > 11789 root 20 0 22524 2388 1116 R 0.7 0.0 0:00.03 top > > 7 root 0 -20 0 0 0 S 0.3 0.0 0:10.41 > > kworker/u:0H > > > > and onward ... > > This is an awful lot of tasks, I have never seen so many! > > That is a lot, I am currently running KDE, firefox and a citrix remote > desktop > thing. (oh, and skype and kopete and a few other items) > KDE is installed with semantic-desktop, but the nepomuk stuff is disabled in > system-settings. > I have 200 tasks (yes, nice round figure) > > > Anyone have any ideas? Thanks much. > > For the amount of tasks, check that you are not starting too many unneeded > services. For the load-average of 1, shouldn't be too much of an issue, had > similar in the past with a lot of stuff running and slow disks. > > For the freezing, I would suggest checking all the powersave options, > especially the ones for the harddrives. > Is there anything in the logs when this happens? Eg. check the logs right > after the system becomes responsible again, maybe there is a hint there what > is causing this.
Unless systemd is setting some powersave options, I certainly never set anything like that, this is a desktop machine, not even a laptop. Next time this happens I will check the logs. Does systemd set some powersave options by default? Thanks. -- Your life is like a penny. You're going to lose it. The question is: How do you spend it? John Covici cov...@ccs.covici.com