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Bug#843485: mention () vs (()) of filename

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  Bug#843485: mention () vs (()) of filename 積丹尼 Dan Jacobson <jidanni@jidanni.org> - 2016-11-07 00:20 +0100
    Bug#843485: mention () vs (()) of filename Ben Hutchings <ben@decadent.org.uk> - 2016-11-13 05:00 +0100
    Processed: Re: Bug#843485: mention () vs (()) of filename owner@bugs.debian.org (Debian Bug Tracking System) - 2016-11-13 05:00 +0100
    Bug#843485: mention () vs (()) of filename 積丹尼 Dan Jacobson <jidanni@jidanni.org> - 2016-11-13 05:30 +0100
      Bug#843485: mention () vs (()) of filename Ben Hutchings <ben@decadent.org.uk> - 2016-11-13 05:50 +0100
    Bug#843485: mention () vs (()) of filename 積丹尼 Dan Jacobson <jidanni@jidanni.org> - 2016-11-13 06:10 +0100

#55659 — Bug#843485: mention () vs (()) of filename

Package: linux-doc-4.8
Version: 4.8.5-1
Severity: wishlist
File: /usr/share/doc/linux-doc-4.8/Documentation/filesystems/proc.txt.gz

One only sees
  tcomm         filename of the executable

But no explanation of () vs (())

$ perl -anwle 'print $F[1]' /proc/[0-9]*/stat|sort -u|head
((sd-pam))
(Xorg)
(acpi_thermal_pm)

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#55708

[Multipart message — attachments visible in raw view] — view raw

Control: tag -1 upstream
Control: retitle -1 proc.txt does not mention that task names can be overridden

On Mon, 2016-11-07 at 07:09 +0800, 積丹尼 Dan Jacobson wrote:
> Package: linux-doc-4.8
> Version: 4.8.5-1
> Severity: wishlist
> File: /usr/share/doc/linux-doc-4.8/Documentation/filesystems/proc.txt.gz
> 
> One only sees
>   tcomm         filename of the executable
> 
> But no explanation of () vs (())
> 
> $ perl -anwle 'print $F[1]' /proc/[0-9]*/stat|sort -u|head
> ((sd-pam))
> (Xorg)
> (acpi_thermal_pm)

The extra parentheses have no special meaning.  What the
documentation ought to mention is that a thread's name can be
overridden using prctl(PR_SET_NAME, ...).  Care to send a patch?

Ben.

-- 
Ben Hutchings
Nothing is ever a complete failure; it can always serve as a bad
example.

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#55709 — Processed: Re: Bug#843485: mention () vs (()) of filename

Processing control commands:

> tag -1 upstream
Bug #843485 [linux-doc-4.8] mention () vs (()) of filename
Added tag(s) upstream.
> retitle -1 proc.txt does not mention that task names can be overridden
Bug #843485 [linux-doc-4.8] mention () vs (()) of filename
Changed Bug title to 'proc.txt does not mention that task names can be overridden' from 'mention () vs (()) of filename'.

-- 
843485: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=843485
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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#55715

BH> The extra parentheses have no special meaning.

Well please document how they got there at least.

BH> What the documentation ought to mention is that a thread's name can
BH> be overridden using prctl(PR_SET_NAME, ...). Care to send a patch?

I have no kernel knowledge.

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#55719

[Multipart message — attachments visible in raw view] — view raw

On Sun, 2016-11-13 at 12:22 +0800, 積丹尼 Dan Jacobson wrote:
> BH> The extra parentheses have no special meaning.
> 
> Well please document how they got there at least.

As I explained, that program did it:

> BH> What the documentation ought to mention is that a thread's name can
> BH> be overridden using prctl(PR_SET_NAME, ...). Care to send a patch?
> 
> I have no kernel knowledge.

You can write text files.

Ben.

-- 
Ben Hutchings
Nothing is ever a complete failure; it can always serve as a bad
example.

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#55720

All I know is "one may have noticed () vs. (())". I don't know how they
got there. So I am not the best person to write about it.

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