Hello,
I'm running Debian Sarge's stock 2.6 kernel here:
$ uname -a
Linux localhost 2.6.8-2-k7 #1 Thu May 19 18:03:29 JST 2005 i686 GNU/Linux
$ vmstat -s | grep -1 'used swap'
799992 total swap
463680 used swap
336312 free swap
$ top -bn1 | awk 'NR > 6 && NR < 20 { t += $4; print }
> END { print "Total SWAP for the first 12 processes: " t "m" }'
PID %MEM VIRT SWAP RES CODE DATA SHR nFLT nDRT S PR NI %CPU COMMAND
18551 14.1 345m 273m 71m 1712 343m 101m 1373 0 S 5 -10 4.0 XFree86
25397 49.5 505m 255m 249m 164 505m 40m 3700 0 S 15 0 2.0 mozilla-bin
24759 0.5 236m 234m 2416 16 236m 54m 138 0 S 17 0 0.0 java_vm
3107 4.6 113m 89m 23m 164 112m 34m 1462 0 S 15 0 0.0 mozilla-bin
31064 1.5 65956 57m 7572 568 63m 19m 291 0 S 15 0 0.0 beep-media-
27359 0.2 51756 49m 1224 124 50m 2424 0 0 S 25 0 0.0 pdnsd
19098 3.0 45592 29m 15m 960 43m 15m 368 0 S 15 0 0.0 nicotine
18653 1.9 37656 27m 9684 644 36m 19m 472 0 S 16 0 0.0 nautilus
16887 1.6 27544 18m 8416 428 26m 14m 146 0 S 15 0 0.0 xchat
12479 3.1 33560 16m 15m 428 32m 14m 147 0 S 15 0 0.0 xchat
18615 0.4 17832 15m 1932 52 17m 3572 320 0 S 16 0 0.0 gconfd-2
18628 0.8 18896 14m 4332 160 18m 17m 6 0 S 16 0 0.0 gnome-setti
Total SWAP for the first 12 processes: 1076m
Seems like a bug to me.
Regards,
Jos? Toneh
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On Friday 16 December 2005 11:08, you wrote:
> 463680 used swap
> PID %MEM VIRT SWAP RES CODE DATA SHR nFLT nDRT S PR NI %CPU COMMAND
> 18551 14.1 345m 273m 71m 1712 343m 101m 1373 0 S 5 -10 4.0 XFree86
> 25397 49.5 505m 255m 249m 164 505m 40m 3700 0 S 15 0 2.0 mozilla-bin
> 24759 0.5 236m 234m 2416 16 236m 54m 138 0 S 17 0 0.0 java_vm
Shared pages and similar?
Seens like top's "SWAP" column is simply VIRT-RES.
Let's not also forget that read-only executable code just gets discarded
from memory, and not pushed to swap. If needed again, it gets read back
in from the file.
Oh, it's supposedly also bad to renice X to -10 with recent kernels ;-)