Date: Wed, 13 Apr 2005 13:32:55 +0800 From: Jiawei Ye <leafy7382@gmail.com> To: freebsd-current@freebsd.org Subject: How does one know how many thread a process owns? Message-ID: <c21e92e20504122232f568545@mail.gmail.com>
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>From top in pkgsrc, one can know that a certain process has some
number of LWP in it.
load averages: 1.89, 1.72, 1.68; up 119+05:28:10 13:30:48
154 processes: 152 sleeping, 1 running, 1 on cpu
CPU states: % idle, % user, % kernel, % iowait, % swap
Memory: 1024M real, 414M free, 841M swap in use, 1956M swap free
PID USERNAME LWP PRI NICE SIZE RES STATE TIME CPU COMMAND
21891 bond 1 4 2 19M 1864K run 31.7H 77.04% upd_twd_15min
17153 bond 1 50 2 82M 6164K sleep 37:37 12.98% dataserver.tsk
17151 bond 1 53 2 82M 81M sleep 41:57 0.96% dataserver.tsk
13742 otc 1 53 2 30M 21M sleep 3:31 0.89% dataserver.tsk
17204 mtrs 1 53 2 82M 6144K sleep 2:47 0.67% dataserver.tsk
17321 mtrs 1 53 2 25M 7908K sleep 2:21 0.49% otcmgr.tsk
16250 root 1 59 0 4136K 2224K sleep 0:00 0.47% sshd
13745 otc 1 53 2 30M 2496K sleep 2:55 0.36% dataserver.tsk
3821 jessica 1 59 0 31M 4816K sleep 6:25 0.34% dataserver.tsk
17227 bond 1 53 2 25M 7908K sleep 2:46 0.31% otcmgr.tsk
17553 otc 1 53 2 17M 1208K sleep 0:46 0.18% icbc_pricing
16269 leafy 1 45 0 3360K 1688K sleep 0:00 0.13% bash
17202 mtrs 1 53 2 82M 19M sleep 1:08 0.12% dataserver.tsk
17154 bond 1 53 2 82M 8004K sleep 0:35 0.12% dataserver.tsk
13746 otc 1 53 2 30M 5136K sleep 0:37 0.11% dataserver.tsk
In our top, show threads does not tell you how many threads exactly
exists in a process, is there any way to imitate the other top's
behaviour?
Jiawei
--
"Without the userland, the kernel is useless."
--inspired by The Tao of Programming
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