Date: Wed, 13 Apr 2005 12:40:08 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: David Xu <davidxu@freebsd.org> Cc: Jiawei Ye <leafy7382@gmail.com> Subject: Re: How does one know how many thread a process owns? Message-ID: <20050413174008.GD4842@dan.emsphone.com> In-Reply-To: <425D2163.4090603@freebsd.org> References: <c21e92e20504122232f568545@mail.gmail.com> <425CC7F8.3030803@samsco.org> <425CD009.6040208@freebsd.org> <c21e92e205041302152c9cbaaf@mail.gmail.com> <20050413132603.GA39006@orion.daedalusnetworks.priv> <425D2163.4090603@freebsd.org>
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In the last episode (Apr 13), David Xu said: > Giorgos Keramidas wrote: > >On 2005-04-13 17:15, Jiawei Ye <leafy7382@gmail.com> wrote: > >>On 4/13/05, David Xu <davidxu@freebsd.org> wrote: > >>>I believe he wants to see total threads number in a process. add a > >>>column to top to display total kernel threads in per-process, > >>>p_numthreads in proc structure is what you need . :) Still only accurate for libthr, though, right? > >>Exactly what I want. Is is possible to modify our top? > > > >I've added a THR column when top displays only one line per process. > >So when the "display each thread separately" mode is off, you should > >see something like this: I sort of like Solaris' prstat output, where the thread count is after the command: PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP 3120 dnelson 9320K 7256K sleep 0 19 0:00:01 0.3% pike/2 3169 dnelson 4800K 4440K cpu3 59 0 0:00:00 0.2% prstat/1 3144 dnelson 4192K 2936K sleep 59 0 0:00:00 0.1% zsh/1 17037 root 89M 26M sleep 29 10 3:02:52 0.1% java/23 I also find myself asking exactly what our CPU column really represents. Is it any use at all? -- Dan Nelson dnelson@allantgroup.com
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