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bin/48583: no way to display thread names

>Number:         48583
>Category:       bin
>Synopsis:       no way to display thread names
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Sun Feb 09 16:05:00 +0000 2014
>Originator:     Martin Husemann
>Release:        NetBSD 6.99.30
The NetBSD Foundation, Inc.
System: NetBSD 6.99.30 NetBSD 6.99.30 (NIGHT-OWL) #228: 
Tue Feb 4 21:48:17 CET 2014
Architecture: x86_64
Machine: amd64

We have functions to set and get a thread name (pthread_setname_np
and pthread_getname_np), but I couldn't find a userland utility to display
them. These is very usefull in heavily threaded apps like Firefox (which
can be taught to properly set thread names).

FreeBSD seems to have a procstat utility for this.
If we find spare option letters, we could also add it to ps(1), and a
top display including it would also be nice.



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