excessive shared memory usage on 14.10
David Lang
david at lang.hm
Mon Nov 3 01:44:50 UTC 2014
I have kubuntu on a t61 laptop with 8G of ram, and I'm seeing a huge increase in
the memory usage with this upgrade. It looks to me like shared memory is a large
part of the problem.
I run firefox, chrome, and a number of xterms, and even when I exit firefox and
chrome and echo 3 >/proc/sys/vm/drop_cache the system still says that over 5G
of the RAM is in use.
below is /proc/meminfo and smem output. Any suggestions on what I can do to get
memory available again?
David Lang
# cat /proc/meminfo
MemTotal: 8109696 kB
MemFree: 2600160 kB
MemAvailable: 2590052 kB
Buffers: 0 kB
Cached: 4271484 kB
SwapCached: 0 kB
Active: 547156 kB
Inactive: 4668900 kB
Active(anon): 480904 kB
Inactive(anon): 4635808 kB
Active(file): 66252 kB
Inactive(file): 33092 kB
Unevictable: 64 kB
Mlocked: 64 kB
SwapTotal: 1951892 kB
SwapFree: 1951892 kB
Dirty: 28 kB
Writeback: 0 kB
AnonPages: 944780 kB
Mapped: 156548 kB
Shmem: 4172096 kB
Slab: 89724 kB
SReclaimable: 49384 kB
SUnreclaim: 40340 kB
KernelStack: 7024 kB
PageTables: 31720 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 6006740 kB
Committed_AS: 7614860 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 122784 kB
VmallocChunk: 34359588348 kB
HardwareCorrupted: 0 kB
AnonHugePages: 407552 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 5667520 kB
DirectMap2M: 2654208 kB
#smem -t
PID User Command Swap USS PSS RSS
23497 dlang /usr/lib/kde4/libexec/start 0 88 89 376
1602 root /bin/sh -e /proc/self/fd/9 0 100 103 644
23519 dlang kwrapper4 ksmserver 0 100 103 600
23603 dlang /bin/cat 0 100 103 564
23407 dlang /bin/sh /usr/bin/startkde 0 124 127 652
1812 root /usr/sbin/uuidd 0 132 134 568
2169 root /usr/sbin/inetd 0 132 136 740
1283 root /sbin/getty -8 38400 tty3 0 148 152 844
1261 root /sbin/getty -8 38400 tty4 0 156 160 804
1288 root /sbin/getty -8 38400 tty6 0 156 160 832
1281 root /sbin/getty -8 38400 tty2 0 160 164 832
3325 root /sbin/getty -8 38400 tty1 0 160 164 800
1266 root /sbin/getty -8 38400 tty5 0 164 168 836
1459 nvidia-persistenced /usr/bin/nvidia-persistence 0 180 183
672
2126 root /sbin/mdadm --monitor --pid 0 180 183 616
1301 daemon atd 0 192 195 640
542 root rpc.idmapd 0 212 214 640
19054 dlang iostat -xk 10 0 180 253 1816
23269 dlang upstart-event-bridge 0 236 257 1208
2337 rtkit /usr/lib/rtkit/rtkit-daemon 0 256 260 1000
1366 root acpid -c /etc/acpi/events - 0 264 279 980
335 root /sbin/cgmanager --sigstop - 0 260 282 1336
1302 root cron 0 304 308 980
23295 dlang upstart-dbus-bridge --daemo 0 260 329 1072
5423 dlang telnet 10.0.04 0 332 339 1064
1977 kernoops /usr/sbin/kerneloops 0 344 350 1124
581 root ofonod -P ril 0 380 388 1368
3225 root /usr/lib/postfix/master 0 332 396 1300
944 root rpcbind 0 404 407 928
575 root /usr/sbin/bluetoothd 0 416 424 1344
445 root upstart-udev-bridge --daemo 0 416 442 1420
2957 root /usr/sbin/vmware-authdlaunc 0 492 496 1100
669 root upstart-file-bridge --daemo 0 444 507 1296
23356 dlang upstart-dbus-bridge --daemo 0 484 550 1320
23314 dlang /bin/dbus-daemon --config-f 0 444 551 1468
22979 postfix qmgr -l -t fifo -u 0 352 563 1892
24244 dlang /usr/bin/obex-data-server - 0 520 570 2112
602 root /lib/systemd/systemd-logind 0 596 606 1568
23538 dlang ksysguardd 0 608 613 1264
1055 root upstart-socket-bridge --dae 0 600 615 1400
3312 root /usr/bin/vmware-usbarbitrat 0 636 640 1344
2598 nobody /usr/sbin/dnsmasq --no-reso 0 580 646 1564
19147 root xclip 0 464 673 2804
1368 root /usr/sbin/sshd -D 0 688 696 1440
23383 dlang /usr/lib/pulseaudio/pulse/g 0 724 732 1772
23320 dlang /usr/lib/gvfs/gvfsd 0 620 743 2828
19079 postfix pickup -l -t fifo -u -c 0 476 747 2816
23313 dlang upstart-file-bridge --daemo 0 744 808 1752
23319 dlang /usr/lib/at-spi2-core/at-sp 0 744 825 2592
455 root /lib/systemd/systemd-udevd 0 832 845 1652
25223 dlang ssh asgard 0 768 859 1688
19068 root bash 0 600 862 3836
5421 dlang ssh asgard 0 796 886 1708
18378 dlang /usr/lib/gvfs/gvfs-mtp-volu 0 652 932 5180
18868 root bash 0 676 939 3864
19089 root top 0 816 945 3144
816 root /usr/sbin/cups-browsed 0 948 968 2184
1268 root thermald --no-daemon --dbus 0 940 991 2572
23463 dlang /usr/lib/ibus/ibus-engine-s 0 884 995 3000
23387 dlang /usr/lib/x86_64-linux-gnu/g 0 1072 1097 2480
23207 ntp /usr/sbin/ntpd -p /var/run/ 0 1172 1180 1868
23107 dlang upstart --user 0 1032 1200 2516
1396 root /usr/lib/accountsservice/ac 0 1204 1218 2380
985 root /usr/sbin/ModemManager 0 1228 1240 2344
22774 root lightdm --session-child 11 0 1232 1248 2468
18382 dlang /usr/lib/gvfs/gvfs-gphoto2- 0 940 1294 5760
23256 dlang dbus-daemon --fork --sessio 0 1148 1308 2168
19060 root su 0 720 1313 4396
18860 root su 0 732 1322 4412
18395 dlang /usr/lib/gvfs/gvfsd-metadat 0 1112 1391 5608
557 root /usr/lib/x86_64-linux-gnu/u 0 1416 1449 3004
5485 root /usr/sbin/console-kit-daemo 0 1552 1635 3800
1367 whoopsie whoopsie -f 0 1696 1736 3368
1888 root /sbin/wpa_supplicant -B -P 0 1752 1796 2884
991 root smbd -F 0 292 1801 4500
2852 root nmbd -D 0 1640 1899 3464
2875 root /usr/sbin/winbindd -F 0 872 1899 3956
23268 dlang /usr/lib/x86_64-linux-gnu/h 0 1196 1903 3700
3322 root /opt/cisco/anyconnect/bin/v 0 1916 1948 2916
23581 dlang /usr/bin/zeitgeist-daemon 0 1340 1972 6180
1613 root initctl emit plymouth-ready 0 1988 2000 2856
2377 root /usr/lib/upower/upowerd 0 2044 2093 3856
929 root smbd -F 0 636 2162 5016
538 messagebus dbus-daemon --system --fork 0 2076 2241 3324
1 root /sbin/ini 0 2200 2366 3656
23540 dlang /usr/lib/telepathy/mission- 0 2284 2370 4560
22905 root /sbin/dhclient -d -sf /usr/ 0 2596 2603 3320
12641 proftpd proftpd: (accepting connect 0 2564 2605 4004
2934 root /usr/lib/vmware/bin/vmware- 0 2712 2715 3184
23306 dlang /usr/lib/at-spi2-core/at-sp 0 2720 2784 4748
23419 dlang /usr/lib/ibus/ibus-dconf 0 2776 2787 3888
23326 dlang /usr/lib/gvfs/gvfsd-fuse /r 0 2784 2795 3904
18386 dlang /usr/lib/gvfs/gvfs-afc-volu 0 2044 2828 7700
2871 root /usr/sbin/winbindd -F 0 1764 2960 5516
1274 root lightdm 0 3012 3024 4208
12587 root /usr/sbin/cupsd -f 0 2528 3048 5736
698 colord /usr/lib/colord/colord 0 2860 3171 5764
23092 dlang /usr/bin/gnome-keyring-daem 0 3404 3428 4936
23573 dlang /usr/bin/zeitgeist-datahub 0 3140 3571 7340
23617 dlang /usr/bin/wbar 0 3632 3644 4540
23410 dlang /usr/lib/x86_64-linux-gnu/p 0 3184 3905 6124
23670 dlang /bin/bash 0 3968 3972 4672
23781 dlang /bin/bash 0 3972 3976 4676
24057 dlang /bin/bash 0 3972 3976 4676
23728 dlang /bin/bash 0 3976 3980 4680
23808 dlang /bin/bash 0 3976 3980 4680
23665 dlang /bin/bash 0 3980 3984 4700
23688 dlang /bin/bash 0 3980 3984 4684
23894 dlang /bin/bash 0 3980 4111 5636
23645 dlang /bin/bash 0 3976 4120 5928
23931 dlang /bin/bash 0 3980 4133 6000
23646 dlang /bin/bash 0 4020 4187 6152
23494 dlang /usr/bin/kwalletd --pam-log 0 4052 4239 7552
23498 dlang kdeinit4: kdeinit4 Running. 0 1500 4304 19444
23699 dlang /bin/bash 0 4128 4321 6600
18373 dlang /usr/lib/gvfs/gvfs-udisks2- 0 3724 4327 9628
23535 dlang /usr/bin/kuiserver 0 4196 4372 7616
571 root /usr/lib/policykit-1/polkit 0 4544 4571 6068
3444 root /usr/lib/udisks2/udisksd -- 0 4432 4683 7636
23633 dlang /usr/lib/tracker/tracker-st 0 4764 4801 6392
23586 dlang /usr/lib/kde4/libexec/polki 0 4708 4841 7960
23265 dlang mediascanner-service-2.0 0 4828 5302 8552
23635 dlang /usr/bin/klipper 0 4676 5312 10104
23511 dlang /usr/bin/kactivitymanagerd 0 5172 5509 10012
23374 dlang /usr/bin/pulseaudio --start 0 5072 5588 8332
23425 dlang /usr/lib/ibus/ibus-x11 --ki 0 5140 5654 9024
23505 dlang /usr/bin/kglobalaccel 0 5544 5977 10532
4997 root /usr/bin/python /usr/share/ 0 6032 6041 7116
23631 dlang /usr/bin/knotify4 0 5960 6228 9888
23499 dlang kdeinit4: klauncher [kdeini 0 4124 6591 21260
3259 gpsd /usr/sbin/gpsd -F /var/run/ 0 7596 7600 8396
23395 dlang /usr/bin/ibus-daemon --daem 0 7836 7994 10224
23530 dlang /usr/bin/baloo_file 0 6528 8351 15768
19146 root /usr/bin/python /usr/bin/sm 0 8872 9012 11104
23520 dlang kdeinit4: ksmserver [kdeini 0 6312 9043 25628
1018 root NetworkManager 0 9656 9762 11920
23420 dlang /usr/lib/ibus/ibus-ui-gtk3 0 8688 9904 14456
23595 dlang /usr/lib/x86_64-linux-gnu/z 0 9216 10329 15412
23288 dlang /usr/lib/x86_64-linux-gnu/b 0 10576 11507 15828
23612 dlang /usr/bin/python /usr/bin/bl 0 18648 19534 22780
23566 dlang /usr/bin/kmix -session 1013 0 24972 26154 32600
23569 dlang kdeinit4: konsole [kdeinit] 0 17988 31789 63428
23571 dlang kdeinit4: konsole [kdeinit] 0 15808 32443 66944
23523 dlang kwin -session 1013b10d13c13 0 31688 35657 48328
1470 mysql /usr/sbin/mysqld 0 48444 48453 49336
609 root rsyslogd 0 65904 65933 67132
23526 dlang /usr/bin/plasma-desktop 0 106420 113914 129664
23501 dlang kdeinit4: kded4 [kdeinit] 0 131112 134508 153660
22684 root /usr/bin/X -core :0 -seat s 0 236772 261199 287024
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