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Re: [PATCH] add a new command: ipcs




----- Original Message -----
> At 2012-4-24 23:41, Dave Anderson wrote:
> > That being the case, I'm now thinking that the -M option may be
> > unnecessary?
> > The shared memory output could be restricted to just 2 lines:
> >
> >   SHMID_KERNEL     KEY      SHMID      UID   PERMS BYTES     NATTCH  STATUS
> >   ffff810026d75ed0 00000000 360452     3369  600   393216    2       dest
> >   PAGES ALLOCATED/RESIDENT/SWAPPED: 96/48/36  VFS_INODE: ffff81003d927d58
> 
> I keep the -M option. I think it is more clear if "ipcs -m" outputs only
> one line for each shared memory and it gets more similarity with "ipcs
> -s" and "ipcs -q". Actually, there are a lot of information about shared
> memory like below.
> 
> [root@localhost ipcs]# ipcs -i 0 -m
> 
> Shared memory Segment shmid=0
> uid=0   gid=0   cuid=0  cgid=0
> mode=0666       access_perms=0666
> bytes=90000     lpid=30412      cpid=30412      nattch=0
> att_time=Thu Apr 19 10:55:34 2012
> det_time=Fri Apr 20 11:39:06 2012
> change_time=Thu Apr 19 10:55:34 2012
> 
> Maybe later, we will need not only PAGES and VFS_INODE. We may need some
> information about time. So keeping -M option is necessary.

OK, fair enough...

> P.S. the two useless item has been removed, please refer to the
> attachment.

I will put this module on the extension module web page for now.

The only thing that I will modify is to change the "VFS_INODE" string
to indicate just "INODE", given that it's a pointer to a "struct inode".

Thanks,
  Dave


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