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Date:   Sun, 20 Feb 2022 09:39:37 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Hans Weber <hwe.kernel@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] patch : first example not showing umask field from
 Table 1-2



On 2/20/22 08:30, Hans Weber wrote:
> Signe-off-by: Hans Weber <hwe.kernel@...il.com>
> ---
>  Documentation/filesystems/proc.rst | 105 ++++++++++++++++-------------
>  1 file changed, 58 insertions(+), 47 deletions(-)


Warning: trailing whitespace in line 228 of Documentation/filesystems/proc.rst

also:

> diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
> index b9d1c6764266..40ca0f9087db 100644
> --- a/Documentation/filesystems/proc.rst
> +++ b/Documentation/filesystems/proc.rst
> @@ -138,7 +138,7 @@ usually fail with ESRCH.
>             /proc (as of 5.10.0) 
>  
>   ======================================================================================
> - Name   	      T  Content
> + Name		      T  Content
>   ======================================================================================
>   arch_status          f Task architecture specific information
>   attr                 d API for security modules
> @@ -213,52 +213,63 @@ usually fail with ESRCH.
>  For example, to get the status information of a process, all you have to do is
>  read the file /proc/PID/status::
>  

Why make all of these changes? Is the only difference the
indentation?  If you are adding some missing fields, then
say so. And the Subject: line says "unmask", but I don't see
anything here about "unmask".


> -  >cat /proc/self/status
> -  Name:   cat
> -  State:  R (running)
> -  Tgid:   5452
> -  Pid:    5452
> -  PPid:   743
> -  TracerPid:      0						(2.4)
> -  Uid:    501     501     501     501
> -  Gid:    100     100     100     100
> -  FDSize: 256
> -  Groups: 100 14 16
> -  VmPeak:     5004 kB
> -  VmSize:     5004 kB
> -  VmLck:         0 kB
> -  VmHWM:       476 kB
> -  VmRSS:       476 kB
> -  RssAnon:             352 kB
> -  RssFile:             120 kB
> -  RssShmem:              4 kB
> -  VmData:      156 kB
> -  VmStk:        88 kB
> -  VmExe:        68 kB
> -  VmLib:      1412 kB
> -  VmPTE:        20 kb
> -  VmSwap:        0 kB
> -  HugetlbPages:          0 kB
> -  CoreDumping:    0
> -  THP_enabled:	  1
> -  Threads:        1
> -  SigQ:   0/28578
> -  SigPnd: 0000000000000000
> -  ShdPnd: 0000000000000000
> -  SigBlk: 0000000000000000
> -  SigIgn: 0000000000000000
> -  SigCgt: 0000000000000000
> -  CapInh: 00000000fffffeff
> -  CapPrm: 0000000000000000
> -  CapEff: 0000000000000000
> -  CapBnd: ffffffffffffffff
> -  CapAmb: 0000000000000000
> -  NoNewPrivs:     0
> -  Seccomp:        0
> -  Speculation_Store_Bypass:       thread vulnerable
> -  SpeculationIndirectBranch:      conditional enabled
> -  voluntary_ctxt_switches:        0
> -  nonvoluntary_ctxt_switches:     1
> +>cat /proc/self/status
> +Name:	cat
> +Umask:	0022
> +State:	R (running)
> +Tgid:	19633
> +Ngid:	0
> +Pid:	19633
> +PPid:	13898
> +TracerPid:	0
> +Uid:	1000	1000	1000	1000
> +Gid:	1000	1000	1000	1000
> +FDSize:	256
> +Groups:	24 25 27 29 30 44 46 108 113 114 119 1000 
> +NStgid:	19633
> +NSpid:	19633
> +NSpgid:	19633
> +NSsid:	13898
> +VmPeak:	    5440 kB
> +VmSize:	    5440 kB
> +VmLck:	       0 kB
> +VmPin:	       0 kB
> +VmHWM:	     520 kB
> +VmRSS:	     520 kB
> +RssAnon:	      68 kB
> +RssFile:	     452 kB
> +RssShmem:	       0 kB
> +VmData:	     316 kB
> +VmStk:	     132 kB
> +VmExe:	      20 kB
> +VmLib:	    1460 kB
> +VmPTE:	      44 kB
> +VmSwap:	       0 kB
> +HugetlbPages:	       0 kB
> +CoreDumping:	0
> +THP_enabled:	1
> +Threads:	1
> +SigQ:	0/47433
> +SigPnd:	0000000000000000
> +ShdPnd:	0000000000000000
> +SigBlk:	0000000000000000
> +SigIgn:	0000000000000000
> +SigCgt:	0000000000000000
> +CapInh:	0000000000000000
> +CapPrm:	0000000000000000
> +CapEff:	0000000000000000
> +CapBnd:	000001ffffffffff
> +CapAmb:	0000000000000000
> +NoNewPrivs:	0
> +Seccomp:	0
> +Seccomp_filters:	0
> +Speculation_Store_Bypass:	vulnerable
> +Cpus_allowed:	ff
> +Cpus_allowed_list:	0-7
> +Mems_allowed:	00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
> +Mems_allowed_list:	0
> +voluntary_ctxt_switches:	0
> +nonvoluntary_ctxt_switches:	0
>  
>  This shows you nearly the same information you would get if you viewed it with
>  the ps  command.  In  fact,  ps  uses  the  proc  file  system  to  obtain its

-- 
~Randy

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