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SubjectRe: [PATCH 3/3] patch : first example not showing umask field from Table 1-2
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On 2/20/22 08:30, Hans Weber wrote:
> Signe-off-by: Hans Weber <hwe.kernel@gmail.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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