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Thread: Excessive memory usage for Xorg and kwin_x11

  1. #1
    Join Date
    Jan 2009
    Location
    Romania, Bucharest
    Posts
    760

    Default Excessive memory usage for Xorg and kwin_x11

    I noticed that after approximately two days of uptime, processes such as Xorg or kwin_x11 start consuming a lot more memory than I think they should be. Xorg reaches over 230 MB, kwin_x11 over 140 MB. Is this related to a bug, a setting, or anything that can be fixed? I'm running openSUSE Tumbleweed, Plasma 5.8.3 at the moment of this writing.

    openSUSE Tumbleweed x64, KDE Framework 5

  2. #2
    Join Date
    Jan 2009
    Location
    Romania, Bucharest
    Posts
    760

    Default Re: Excessive memory usage for Xorg and kwin_x11

    Xorg just reached 430 MB, which is unusual even for my daily experiences with this. It seems to have happened after playing around with Plasma, such as adding / removing plasmoids and restarting the plasma5 process. There's most certainly a relation, and some memory leak somewhere within Plasma. Are there any existing bug reports that match this description?

    Code:
    top - 00:28:24 up 2 days,  8:50,  2 users,  load average: 1.32, 0.87, 0.76
    Tasks: 303 total,   3 running, 300 sleeping,   0 stopped,   0 zombie
    %Cpu(s):  3.5 us,  0.7 sy,  0.0 ni, 95.5 id,  0.2 wa,  0.0 hi,  0.0 si,  0.0 st
    KiB Mem :  9203396 total,   493148 free,  3309144 used,  5401104 buff/cache
    KiB Swap:        0 total,        0 free,        0 used.  5513080 avail Mem 
    
      PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                               
    16431 mircea    20   0  800088  80512  61160 R 13.25 0.875   0:01.34 konsole                                                               
    16248 mircea    20   0 4187180 283312 106732 S 7.947 3.078   0:41.10 plasmashell                                                           
     1528 root      20   0  908392 539496  96624 S 4.636 5.862 329:21.40 Xorg                                                                  
     1960 mircea    20   0 3989364 234228  88892 S 2.980 2.545  63:03.36 kwin_x11                                                              
    14320 mircea    20   0 2388416 591428 151816 S 2.649 6.426   8:53.04 firefox                                                               
    15272 mircea    20   0  655108 216848  74632 S 2.318 2.356   0:59.16 skype                                                                 
    18428 mircea    20   0  957528 166424  71132 S 0.662 1.808  17:19.56 kvirc                                                                 
      558 root       0 -20       0      0      0 S 0.331 0.000   0:03.41 kworker/6:1H                                                          
     7866 root      20   0       0      0      0 S 0.331 0.000   0:04.14 kworker/4:0                                                           
    13915 mircea    20   0  532032  36760  32768 S 0.331 0.399   0:02.12 kwalletd5                                                             
    15386 mircea    20   0  588348  83776  61260 S 0.331 0.910   0:04.06 Cryptocat                                                             
    15407 mircea    20   0 1036944  79864  56860 S 0.331 0.868   0:10.61 Cryptocat                                                             
    16352 mircea    20   0 1284332 102968  82152 S 0.331 1.119   0:01.93 dolphin                                                               
        1 root      20   0  189604   5936   3988 S 0.000 0.064   0:04.03 systemd                                                               
        2 root      20   0       0      0      0 S 0.000 0.000   0:00.08 kthreadd                                                              
        3 root      20   0       0      0      0 S 0.000 0.000   0:02.19 ksoftirqd/0                                                           
        7 root      20   0       0      0      0 S 0.000 0.000   0:59.74 rcu_preempt                                                           
        8 root      20   0       0      0      0 S 0.000 0.000   0:00.01 rcu_sched                                                             
        9 root      20   0       0      0      0 S 0.000 0.000   0:00.00 rcu_bh                                                                
       10 root      rt   0       0      0      0 S 0.000 0.000   0:00.03 migration/0                                                           
       11 root       0 -20       0      0      0 S 0.000 0.000   0:00.00 lru-add-drain                                                         
       12 root      rt   0       0      0      0 S 0.000 0.000   0:00.25 watchdog/0                                                            
       13 root      20   0       0      0      0 S 0.000 0.000   0:00.00 cpuhp/0                                                               
       14 root      20   0       0      0      0 S 0.000 0.000   0:00.00 cpuhp/1                                                               
       15 root      rt   0       0      0      0 S 0.000 0.000   0:00.18 watchdog/1                                                            
       16 root      rt   0       0      0      0 S 0.000 0.000   0:00.02 migration/1                                                           
       17 root      20   0       0      0      0 S 0.000 0.000   0:00.69 ksoftirqd/1                                                           
       20 root      20   0       0      0      0 S 0.000 0.000   0:00.00 cpuhp/2                                                               
       21 root      rt   0       0      0      0 S 0.000 0.000   0:00.18 watchdog/2                                                            
       22 root      rt   0       0      0      0 S 0.000 0.000   0:00.02 migration/2                                                           
       23 root      20   0       0      0      0 S 0.000 0.000   0:00.60 ksoftirqd/2
    Code:
    mircea@linux-qz0r:~> free
                  total        used        free      shared  buff/cache   available
    Mem:        9203396     3311036      487376       73400     5404984     5510980
    Swap:             0           0           0
    openSUSE Tumbleweed x64, KDE Framework 5

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