Processes in swapped out states in recent CURRENT?
Garrett Cooper
yanegomi at gmail.com
Thu May 5 20:33:52 UTC 2011
I was watching top output on my dev box and I noticed that there
are more swapped out processes present on the system, shortly after
boot (which doesn't make sense given that I'm not low on resources on
the box). Also, the os when I run os.waitpid() in python claims that
the child doesn't exist, so I'm wondering if there's an issue with the
processes reported via ps, top, etc.
I'm noting this because it's a behavior change over my
'stable'-ish workstation, running CURRENT/r220089/amd64, which is
spec'ed out the same as the dev box, minus some multimedia hardware.
Thanks,
-Garrett
# uname -a
FreeBSD fallout.local 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r221219M: Thu
May 5 12:09:37 PDT 2011
root at fallout.local:/usr/obj/usr/src/sys/FALLOUT amd6
# fstat -p 1832
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W
root sshd 1832 root / 2 drwxr-xr-x 1024 r
root sshd 1832 wd / 2 drwxr-xr-x 1024 r
root sshd 1832 text /usr 730118 -r-xr-xr-x 240944 r
root sshd 1832 0 /dev 6 crw-rw-rw- null r
root sshd 1832 1 /dev 6 crw-rw-rw- null rw
root sshd 1832 2 /dev 6 crw-rw-rw- null rw
root sshd 1832 3* internet stream tcp fffffe01e56cf000
root sshd 1832 4* pseudo-terminal master pts/1 rw
root sshd 1832 5* local stream fffffe0008f79960 <->
fffffe0008f79a50
# fstat -p 149
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W
root adjkerntz 149 root / 2 drwxr-xr-x 1024 r
root adjkerntz 149 wd / 2 drwxr-xr-x 1024 r
root adjkerntz 149 text / 329805 -r-xr-xr-x 8792 r
root adjkerntz 149 0 /dev 6 crw-rw-rw- null rw
root adjkerntz 149 1 /dev 6 crw-rw-rw- null rw
root adjkerntz 149 2 /dev 6 crw-rw-rw- null rw
# fstat -p 1479
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W
root syslogd 1479 root / 2 drwxr-xr-x 1024 r
root syslogd 1479 wd / 2 drwxr-xr-x 1024 r
root syslogd 1479 text /usr 739002 -r-xr-xr-x 39008 r
root syslogd 1479 0 /dev 6 crw-rw-rw- null rw
root syslogd 1479 1 /dev 6 crw-rw-rw- null rw
root syslogd 1479 2 /dev 6 crw-rw-rw- null rw
root syslogd 1479 3 /var 353301 -rw------- 4 w
root syslogd 1479 4* local dgram fffffe0008cd31e0
root syslogd 1479 5* local dgram fffffe0008cd30f0
root syslogd 1479 6* internet6 dgram udp fffffe0008ced540
root syslogd 1479 7* internet dgram udp fffffe0008ced3f0
root syslogd 1479 8 /dev 29 crw------- klog r
root syslogd 1479 10 /var 1389613 -rw-r--r-- 25389 w
root syslogd 1479 11 /var 1389579 -rw------- 62 w
root syslogd 1479 12 /var 1389572 -rw------- 10164 w
root syslogd 1479 13 /var 1389601 -rw-r----- 2814 w
root syslogd 1479 14 /var 1389575 -rw-r--r-- 62 w
root syslogd 1479 15 /var 1389580 -rw------- 62 w
root syslogd 1479 16 /var 1389577 -rw------- 57212 w
root syslogd 1479 17 /var 1389606 -rw------- 38046 w
root syslogd 1479 18 /var 1389578 -rw-r----- 62 w
# fstat -p 1829
USER CMD PID FD MOUNT INUM MODE SZ|DV R/W
gcooper sh 1829 root / 2 drwxr-xr-x 1024 r
gcooper sh 1829 wd /usr 1884160 drwxr-xr-x 1024 r
gcooper sh 1829 text / 212057 -r-xr-xr-x 131784 r
gcooper sh 1829 0 /dev 127 crw--w---- pts/0 rw
gcooper sh 1829 1 /dev 127 crw--w---- pts/0 rw
gcooper sh 1829 2 /dev 127 crw--w---- pts/0 rw
gcooper sh 1829 10 /dev 127 crw--w---- pts/0 rw
# python -c 'import os; os.waitpid(1825, 0)'
Traceback (most recent call last):
File "<string>", line 1, in <module>
OSError: [Errno 10] No child processes
# ps auxww | grep 1825
root 1825 0.0 0.0 47952 0 ?? IWs - 0:00.00
sshd: gcooper [priv] (sshd)
root 88213 0.0 0.0 16340 1356 3 S+ 1:25PM 0:00.00 grep 1825
# top -b
last pid: 96740; load averages: 1.07, 0.98, 0.92 up 0+01:15:32 13:27:04
50 processes: 2 running, 48 sleeping
Mem: 56M Active, 23M Inact, 795M Wired, 1848K Cache, 1237M Buf, 11G Free
Swap: 24G Total, 832K Used, 24G Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU
COMMAND
1828 gcooper 1 20 0 47952K 3372K select 6 0:02 0.00% sshd
26295 root 1 20 0 9972K 888K kqread 2 0:01 0.00% tail
95888 root 1 52 0 14472K 8092K wait 1 0:00 0.00% make
1729 root 1 20 0 20368K 3000K select 2 0:00 0.00% sendmail
59474 gcooper 1 20 0 47952K 3768K select 7 0:00 0.00% sshd
57339 root 1 52 0 6280K 1168K wait 1 0:00 0.00% make
75210 gcooper 1 20 0 47952K 3816K select 5 0:00 0.00% sshd
82431 root 1 52 0 6280K 1148K wait 2 0:00 0.00% make
94797 root 1 52 0 6280K 1164K wait 2 0:00 0.00% make
59441 root 1 21 0 47952K 3772K sbwait 4 0:00 0.00% sshd
1825 root 1 21 0 47952K 0K sbwait 1 0:00 0.00% <sshd>
75167 root 1 21 0 47952K 3820K sbwait 1 0:00 0.00% sshd
1832 root 1 20 0 47952K 0K sbwait 1 0:00 0.00% <sshd>
96738 root 1 72 0 17184K 9756K CPU0 0 0:00 0.00% cc1
1479 root 1 20 0 12228K 1372K select 4 0:00 0.00% syslogd
75237 root 1 20 0 17612K 2424K ttyin 4 0:00 0.00% bash
1835 gcooper 1 20 0 47952K 3284K select 2 0:00 0.00% sshd
57233 root 1 52 0 6280K 756K wait 2 0:00 0.00% make
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