How does one know how many thread a process owns?

[Anthony Ginepro]

On 04/13/05 21:40, David Xu wrote:
> Giorgos Keramidas wrote:
> 
> >On 2005-04-13 17:15, Jiawei Ye <leafy7382 at gmail.com> wrote:
> > 
> >
> >>On 4/13/05, David Xu <davidxu at 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 . :)
> >>>
> >>>David Xu
> >>>     
> >>>
> >>Exactly what I want. Is is possible to modify our top?
> >>   
> >>
> >
> >Can you try the following patch?
> >
> >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:
> >
> >% last pid: 39064;  load averages:  0.08,  0.05,  0.32     up 0+02:00:58  
> >16:22:00
> >% 69 processes:  1 running, 65 sleeping, 3 stopped
> >% CPU states:     % user,     % nice,     % system,     % interrupt,     % 
> >idle
> >% Mem: 117M Active, 211M Inact, 77M Wired, 14M Cache, 54M Buf, 11M Free
> >% Swap: 1535M Total, 4K Used, 1535M Free
> >%
> >%   PID USERNAME THR PRI NICE   SIZE    RES STATE    TIME   WCPU    CPU 
> >COMMAND
> >%   662 keramida   1  96    0 84584K 29864K select   1:08  0.00%  0.00% 
> >Xorg
> >% 16554 keramida   4  20    0 50136K 38240K kserel   0:40  0.00%  0.00% 
> >mozilla-bin
> >%   700 keramida   1  96    0  6012K  4440K select   0:25  0.00%  0.00% 
> >xterm-static
> >%   711 root       1  96    0  3368K  2864K select   0:13  0.00%  0.00% 
> >screen
> >%   718 keramida   1  96    0  5348K  3772K select   0:10  0.00%  0.00% 
> >xterm-static
> >%   691 keramida   1  96    0  6896K  4920K select   0:09  0.00%  0.00% 
> >wmaker
> >
> >The sprintf() calls near the end of format_next_process() are duplicated,
> >which is ugly as hell, but I couldn't find a good way to avoid the code
> >duplication.  If people don't have a problem with constantly displaying 
> >this
> >column, even when no threads are used, this will be even easier to do 
> >without
> >the extra clutter.  Then, we can add a sort function to order by number of
> >threads and then I think we're pretty much done :-)
> > 
> >
> I am using the patch, it works fine, the screen output is attractive. :-)

Except for WCPU it looks like SunOS' top.